But current automatic resetting implementation uses a wrong offset to reset. This resulted in a stuck kafka consumer that just kept spewing OffsetOutOfRangeException messages. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. What bread dough is quick to prepare and requires no kneading or much skill? gist.github.com/marwei/cd40657c481f94ebe273ecc16601674b, How to keep your new tool from gathering dust, Chatting with Apple at WWDC: Macros in Swift and the new visionOS, We are graduating the updated button styling for vote arrows, Statement from SO: June 5, 2023 Moderator Action. "CURRENT-OFFSET" is the offset where this consumer group is currently at in each of the partitions. Looking closely at the code, it turned out that the offset reported in outOfRangePartition was (22400192044) which was higher than the leastAvailableOffset (2944387224)reported by Kafka. In your case, I bet the latest offset is also less than your current offset. This is based on a rough estimate of memory usage and not actual usage. Asking for help, clarification, or responding to other answers. stream: GL_NETWORK_STATUS, Suggestions cannot be applied while the pull request is closed. partitionOffsetMap: { As a result the condition leastAvailableOffset > nextOffset was never met and the consumer just kept sleeping for 30 seconds before retrying again. ", // Reset consumer offset if resetOffsetAutomatically is set to true, // and the current message offset in the kafka partition is more than the, // next message offset that we are trying to fetch, Infinite automatic Kafka offset resetting. Choose from, Compression format for primitive type metric columns. Actually we had auto.create.topics.enable=false configured on our cluster, so that might have been a miss. Overridden if. I guess, if we have the auto.create.topics.enable=true and Anyone succeed with resetting consumer offset within non-zookeeper brokers. Ignored if, no (default == min(10, taskCount * replicas)). After select the Hard reset menu item, there will be a dialog to show the warning message like below: Select both checkbox and click the Hard reset supervisor button. If you have done step 4 - submit the new spec with the new topic and new server information. Kafka topics got dropped. Why does naturalistic dualism imply panpsychism? Send a status request to each supervised task to update our view of the state of the tasks under our supervision. Reset to offset by duration from current timestamp. Compression format for bitmap indexes. Which kind of celestial body killed dinosaurs? I want to build an API to modify its offset. kafka-consumer-groups.sh --bootstrap-server kafka-host:9092 --group my-group --reset-offsets --to-latest --all-topics --execute Sh. This would be a very helpful feature for our use case as well! When connecting to Kafka, Druid replaces the environment variables with their corresponding values. Does staying indoors protect you from wildfire smoke? Hi, @kaijianding . "Murder laws are governed by the states, [not the federal government]." Is Vivek Ramaswamy right? 2016-12-01 02:54:56,040 WARN o.e.j.s.ServletHandler [qtp1637000661-167] /druid/indexer/v1/action, com.metamx.common.ISE: Unable to grant lock to inactive Task [index_kafka_ad_statistic_hourly_0bdf47af19ad1e0_ljofknan], 2016-12-01 02:55:10,595 INFO i.d.i.c.a.LocalTaskActionClient [qtp1637000661-170] Performing action for task[index_kafka_ad_statistic_hourly_1810b821f94a3cd_acpjbmjb]: SegmentAllocateAction{dataSource='ad_statistic_hourly', timestamp=2016-12-01T01:00:00.000Z, queryGranularity=DurationGranularity{length=3600000, origin=0}, preferredSegmentGranularity=HOUR, sequenceName='index_kafka_ad_statistic_hourly_1810b821f94a3cd_6', previousSegmentId='ad_statistic_hourly_2016-12-01T00:00:00.000Z_2016-12-01T01:00:00.000Z_2016-12-01T00:18:37.340Z_6'}. When you enable autoscaler, Druid ignores the value of taskCount in. after successful migration, stop producing in the old Kafka cluster. Connect and share knowledge within a single location that is structured and easy to search. I'm wondering if it's possible to clear the stored offsets when updating the supervisor spec once the Kafka cluster/topic has changed in the new spec. So the kafka ingestion does reset again and again, this is what I mean a 'infinite loop'. Could you please help to solve the CI problem, thanks a lot , @asdf2014 sure, will add some tests to pass CI. Asking for help, clarification, or responding to other answers. Why did Jenny do this thing in this scene? If the value is too low, your tasks may never publish. @samarthjain Right, updating Kafka clusters are problematic. Now I want to migrate my Kafka Topic to the new Kafka Cluster. privacy statement. Error: Assignments can only be reset if the group '[group_name]' is inactive, but the current state is Stable. as per documentation hard reset will clears stored offsets. Kafka ingestion resets offset to 0, out of range - Ingestion - Apache Druid Forum (by Imply) ingestion, troubleshooting Michal_Cieszynski March 23, 2021, 12:53pm #1 It's plain ingestion task from within Kafka. When a parse exception occurs, Druid can keep track of the most recent parse exceptions. Druid manages Kafka topics offset in its metadata. The number of replica sets. 'Stable' means, there is an active consumer running for this group. Cutting wood with angle grinder at low RPM, Purpose of some "mounting points" on a suspension fork? and old review comments may become outdated. The capacity was available (50 total) for all tasks to run but its all in waiting tasks (6 tasks). Purpose of some "mounting points" on a suspension fork? This supervisor will retain the Milliseconds to wait for segment handoff. I tried to delete the supervisors and load again, but it still not work, and finally I find that I can hard reset the supervisors, then the offset will be reset and after that the druid can load data from druid again. If this limit would be exceeded by a new intermediate persist, ingestion will block until the currently-running persist finishes. to your account, Currently, druid can only reset to earliest/latest offset, sometimes, users want to read from a specified time like the start of today, A new optional param timestamp is added to api POST /druid/indexer/v1/supervisor/
/reset?timestamp=, Add Map getPositionFromTime(long offsetTime); to get offsets from time The maximum number of parse exceptions that can occur before the task halts ingestion and fails. Make sure offsets are sequential, since there is no offset gap check in Druid anymore. Repeat 1 to check if the reset is successful. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. FAQ, Working with different versions of Apache Hadoop, Apache Druid vs. Key/Value Stores (HBase/Cassandra/OpenTSDB), Moment Sketches for Approximate Quantiles module, Getting Supervisor Ingestion Stats Report, Deployment Notes on Kafka partitions and Druid segments, The supervisor has encountered errors on the past, The supervisor is encountering connectivity issues with Kafka and has not successfully connected in the past, The supervisor is encountering connectivity issues with Kafka but has successfully connected in the past, The supervisor has been initialized and hasn't started connecting to the stream, CONNECTING_TO_STREAM (first iteration only), The supervisor is trying to connect to the stream and update partition data, DISCOVERING_INITIAL_TASKS (first iteration only), The supervisor is discovering already-running tasks, The supervisor is creating tasks and discovering state, The supervisor has started tasks and is waiting for taskDuration to elapse. // seek to the beginning to get the least available offset, "got null sequence number for partition[%s] when fetching from kafka! Thank you for your contributions. If the user-specified value is below the minimum value (. The running supervisor to signal its managed tasks to stop reading and begin publishing. Not the answer you're looking for? Container object for the supervisor configuration. 3) All the offset information of the current datasource are stored in Metadata Storage. Having said that, I recently ran into an issue where even though I have resetOffsetAutomatically configured, Druid didn't call reset. And what would you conclude to be the norm? By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. @samarthjain You have run into the exact problem I described in this issue. See below for more information. existing publishing tasks and will create new tasks starting at the offsets the publishing tasks ended on. You can, but be aware of this warning from the same doc: Use care when using this operation! The error that offset is out of range typically occurs when messages in Kafka expires before the Druid ingestion task reads data from Kafka. I had to manually do a reset. See. Was there any truth that the Columbia Shuttle Disaster had a contribution from wrong angle of entry? Reset offsets automatically - Ive tried both true and false. Segment write-out medium to use when creating segments. How hard would it have been for a small band to make and sell CDs in the early 90s? What are the possible ways to do this without duplication of data and without downtime? It happened because Druid was trying to read from a higher offset than that was present in Kafka. rev2023.6.8.43486. We have this running from the command line which is nice. Does it make sense to study linguistics in order to research written communication? By clicking Sign up for GitHub, you agree to our terms of service and Now, after creating it anew, it keeps resetting offsets to 0 / earliest, even though I have directly disabled it: Use earliest offset = false Just for sanity? } Why does Tony stark always call Captain America by his last name? Frequency at which the supervisor executes its management logic. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Reset the consumer offset for a topic (preview): This will print the expected result of the reset, but not actually run it. Once the client has been created, the code has to connect, reset the offset, and then disconnect (as posted below). Since the earliestOffset is 2944387224, but the nextOffset is 22400192044, the code goes into this block. Its plain ingestion task from within Kafka. Spring for Apache Kafka provides some convenience mechanisms for performing seeks, either during application initialization, or at any time thereafter. Making statements based on opinion; back them up with references or personal experience. Create a topic with the same configuration in the new Kafka cluster. Use below command to check current/end of offsets and to confirm reset made the cahnges. Then, at line 148 recordSupplier.seek(streamPartition, nextOffset); , assumes that the call to getEarliestSequenceNumber possibly caused the current position to be different from the position it stored at the start in nextOffset. A new supervisor to be created using the configuration provided in the request body. The supervisor is not creating tasks since the input stream has not received any new data and all the existing data is read. Maximum heap memory usage for indexing scales with, no (default == 0, meaning one persist can be running concurrently with ingestion, and none can be queued up), Defines segment storage format options to be used at indexing time for intermediate persisted temporary segments. Connect and share knowledge within a single location that is structured and easy to search. To learn more, see our tips on writing great answers. Looking closely at the code, it turned out that the offset reported in outOfRangePartition . List the topics to which the group is subscribed: Note the values under "CURRENT-OFFSET" and "LOG-END-OFFSET". Number of milliseconds after supervisor starts when first check scale logic. This resulted in a stuck kafka consumer that just kept spewing OffsetOutOfRangeException messages. Ive tried playing around turning those offset-related params on/off in a different combinations. A KafkaSupervisorTuningConfig object to define performance-related settings for the supervisor and indexing tasks. Compare the list of healthy tasks to the requested. MM2 will create two topics with the same name(with prefix) in the new cluster. allow.auto.create.topics=true on the kafka broker, the Druid kafka consumer creates the topic and that messes up the offset metadata stored in the metadata table druid_tasks. Normally this is computed internally and user does not need to set it. kafka 0.11 reset offset for consumer group by --to-datetime. Even if closed, you can still revive the PR at any time or discuss it on the dev@druid.apache.org list. Some commits from the old base branch may be removed from the timeline, Make sure offsets are sequential, since there is no offset gap check in Druid anymore. Successfully merging a pull request may close this issue. Exactly same as whats mentioned here by Michal. There is an extra digit in current offset. What API on Kafka Client would allow one to reset the offset to the last committed one? To merge them together into new segments of an ideal size (in the range of ~500-700 MB per segment), you can schedule re-indexing tasks, optionally with a different segment granularity. The earliest offset is returned and stored in leastAvailableOffset variable. Use with. Handle tasks that have finished publishing and signal redundant replica tasks to stop. That means the resetting does no take effect and causes another out of range error, and then automatic resetting is called again. The number of times HTTP requests to indexing tasks will be retried before considering tasks unresponsive. The length of time before tasks stop reading and begin publishing segments. There's a scenario that I can come up with which would lead to such problem: after consuming the topic for a while, delete the topic and then re-create the topic, the log offset at Kafka side would go back to start from zero, which both earliest and latest offset are less than the offset used at the consumer side. By clicking Sign up for GitHub, you agree to our terms of service and Does the policy change for AI-generated content affect users who (want to) Spring for Kafka 2.3 setting an offset during runtime for specific listener with KafkaMessageListenerContainer. Find centralized, trusted content and collaborate around the technologies you use most. Is there any workaround to avoid that pending the resolution ? From the code(Line 148, Line 154) above we can see that, a variable nextOffset is used for automatic resetting. How long to wait for the supervisor to attempt a graceful shutdown of tasks before exiting. I tried adding"auto.offset.reset" to the consumerProperties but that value is explicitly set to none in the code (. Schema for the Kafka indexing task to use during ingestion. For people who can't figure out what kafka-consumer-groups.sh is or are using kt client, You can also view its help manual for customization, https://stackoverflow.com/a/41645130/5368856, https://www.hadoopinrealworld.com/how-to-change-or-reset-consumer-offset-in-kafka/#:~:text=topic%20sales_topic%20%2D%2Dexecute-,%E2%80%93to%2Dlatest,-Reset%20offsets%20to, https://docs.cloudera.com/runtime/7.2.10/kafka-managing/topics/kafka-manage-cli-cgroups.html. Wait for the current supervisor to catch up all the data in the old topic. This led to Druid Kafka consumers to become kind of orphans and were left seeking for a high offset value which doesnt exist on the broker. In the next poll period, the consumer tries to read the topic from the wrong offset, which results in outOfRangePartition again. Number of students who study both Hindi and English. By default, --reset-offsets just prints the result of the operation. For example, task success, task failure, and tasks reaching their, The length of time to wait before declaring a publishing task as failed and terminating it. Reset the consumer offset for a topic (execute): This will execute the reset and reset the consumer group offset for the specified topic back to 0. This can be used to disable dimension/metric compression on intermediate segments to reduce memory required for final merging. --to-current and --to-latest are same as --to-offset and --to-earliest. I suspended the task, waited from PENDING to SUSPEND, and then did a hard-reset and resume the job (I saw no change on the pendingsegments table) The consumer properties group.id, auto.offset.reset and enable.auto.commit cannot be set in kafkaProperties as they are set by the extension as UUID.randomUUID ().toString (), earliest and false respectively. 0: 4962 Applying suggestions on deleted lines is not supported. This PR looks great! to your account. To reset an offset, the code has to get the consumer by group id, get started, and stopped. Thanks for contributing an answer to Stack Overflow! https://github.com/druid-io/druid/blob/master/extensions-core/kafka-indexing-service/src/main/java/io/druid/indexing/kafka/KafkaIndexTask.java#L802, https://github.com/druid-io/druid/issues/3195. website: https://wp.y9i.cc/. The Kafka indexing service can get into a stuck state where it is trying to read the Kafka offset following the last one recorded in the dataSource metadata table but can't read it because Kafka's retention period has elapsed and that message is no longer available. The code below below resets the offset. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. You don't need Druid to consume transactional topics. Change Kafka topic configration in Druid. For Kafka streaming, set to. seem 1 task was locked and the other tasks can't start. How hard would it have been for a small band to make and sell CDs in the early 90s? Find centralized, trusted content and collaborate around the technologies you use most. How to handle BatchNorm in the last layers of a deep learning model? Hmm, that's odd. Maybe a slight modification of your number 1: Let us know what you end up doing and how it goes. You must change the existing code in this line in order to create a valid suggestion. How should I designate a break in a sentence to display a code segment? So adding this answer to extend accepted answer. Must be a specific topic. Controls behavior when Druid needs to read Kafka messages that are no longer available (i.e. So first you have to stop the active consumer(s) and retry resetting offsets. This will force all the tasks to write and publish the segments. Having said that, I recently ran into an issue where even though I have resetOffsetAutomatically configured, Druid didn't call reset. 0: 4962 The period to wait before the supervisor starts managing tasks. last processed offset if continuing, or starting from the beginning or ending of the stream if this is a new topic). Topic patterns are not supported. Description Currently, druid can only reset to earliest/latest offset, sometimes, users want to read from a specified time like the start of today A new optional param timestamp is added to api POS. Then, the stream was recreated on Kafka Cluster B and the spec updated accordingly. The operation was select menu item Hard reset like below. Is it possible to wire an occupancy sensor in this 1950s house with 3-way switches? This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. @samarthjain Sorry, these two numbers are too long that I took the earliest as the larger one. Druid always assigns replica tasks to different workers to provide resiliency against worker failure. Maximum heap memory usage for indexing scales with, The number of bytes to aggregate in heap memory before persisting. I am not exactly sure how current offset can be higher than least offset, but that seemed to be the case here. So I know now how we ended up with an offset that was significantly higher than the earliest offset and the reason is similar to what you mentioned, @FrankChen021. If your Kafka cluster enables consumer-group based ACLs, you can set group.id in consumerProperties to override the default auto generated group id. Kafka change Offset from Latest to earliest. Thanks in advance. Glad to hear that things are working again after a restart. The ingestion task falls into a dead loop. Move producer and consumer to the new Kafka cluster. Confluent Platform includes the Java consumer that is shipped with Apache Kafka. The fixes looks like as follows. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, Any other options to reset to a specific offset, say 1200 for FirstTopic in the above question ? This suggestion is invalid because no changes were made to the code. It may be doing an unnecessary seek, but it shouldn't cause an infinite retry loop. If you follow all steps, 1, 2 on the 3th: Specifying data format To review, open the file in an editor that reveals hidden Unicode characters. As you can see, two seeks were performed to seek to offset 22400192044. Reset Kafka topic offset in Druid. If you think that's incorrect or this pull request should instead be reviewed, please simply write any comment. Choose from. taskGroupId: 0, To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Reset kafka LAG (change offset) within consumer group in Kafka-python. You signed in with another tab or window. So, for such case, I think we could check if the latest offset is also less than the current offset, if it, maybe we should reset the offset to the latest. This means automatic resetting uses the offset which causes out of range to reset the offset. I have never encountered such problem at Kafka side if there's no change on this topic. Handoff will happen either if, The number of rows to aggregate across all segments; this number is post-aggregation rows. I've looked in the metadata database and didn't anything related in zookeeper. See, Minimum number of ingestion tasks. Choose from, Encoding format for metric and dimension columns with type long. There's a configuration resetOffsetAutomatically in KafkaIndexTaskTuningConfig that allows Kafka offset to be reset automatically once the Kafka offset is out of range. How is Canadian capital gains tax calculated when I trade exclusively in USD? Handoff will happen either if. Kafka consumer group, set offset to 0 when consumer group is created. Hello, I'm facing the same issue and it seems that this issue is not yet solved. Sorry to bring this back to life! Id like to know whether my assumptions are correct and if there is anything I might try to resolve that issue. Making statements based on opinion; back them up with references or personal experience. I'm trying to reset consumer offset with latest CLI tools for Kafka. , Is there any official documentation available for this ? How to reset offsets to arbitrary value in Kafka Consumer Group? Optionally terminate the current supervisor. See the documentation I pointed you to and come back if you have a more specific question; there are several examples in answers on this site; e.g. I am using SpringBoot and the consumer is built using Spring Kafka. Well occasionally send you account related emails. The total time window of lag collection. Add this suggestion to a batch that can be applied as a single commit. --shift-by [positive or negative integer] - Shifts offset forward or backward from given integer. I expected reset API to fix things for me. My Druid Kafka cluster running on Docker Swarm went down due to a network failure, even though the cluster got back up and running, Druid got stuck in the "resetting offset automatically" infinite loop. Notice that here nextoffset holds the position where the offset will be reset to, but obvisouly, the valid offset is 2944387224, so the offset won't success. The maximum heap memory usage for indexing is, no (default == One-sixth of max JVM memory), The number of rows to aggregate into a segment; this number is post-aggregation rows. Have a question about this project? I would also be interested in knowing how to accomplish these via the Kafka Java API. Is the task [index_kafka_ad_statistic_hourly_0bdf47af19ad1e0_ljofknan] still in the pending/waiting/running queues of your indexing service or has it completed? For a reference of Kafka supervisor spec configuration options, see the, For operations reference information to help run and maintain Apache Kafka supervisors, see. Since there's a check(Line 152) that guarantees that the leastAvailableOffset is greater than current reading offset, the automatic resetting also won't causes data duplication. Is there a way to reset offsets of a Kafka consumer group through an API? }, The 4962 offset is the easiest offset I had on the stream, I think thats the desired output if I had changed the topic between those runs, and would not lead to duplicates, Powered by Discourse, best viewed with JavaScript enabled, [druid-user] Migrate Kafka Topic to new Cluster (and impact on Druid). You need Druid to consume older versions of Kafka. Only one suggestion per line can be applied in a batch. In general, updating streams or clusters or num partitions is problematic with Druid's Kafka ingestion and invariably involves clearing offsets stored in DB. Can a pawn move 2 spaces if doing so would cause en passant mate? As a result offsets that Druid had stored for this stream/datasource were no longer valid. I am ingesting data into Druid from Kafkas topic. However, disabling compression on intermediate segments might increase page cache use while they are used before getting merged into final segment published, see. I am a software engineer, I like to use the computer to solve problems. ), as we have noticed couple invalid fields in our new stream. The simplest is to have your listener extend AbstractConsumerSeekAware or implement ConsumerSeekAware. The resetOffsetAutomatically setting was already enabled, but it didn't help. Powered by Discourse, best viewed with JavaScript enabled, Kafka ingestion resets offset to 0, out of range. Handle tasks that have failed and clean up the supervisor's internal state. We are using druid to analysis logs, we load data from kafka, but when I move data folder or move from one server to another server, after the druid and kafka servers are starting, but when I import data into kafka, the druid didnt get data from kafka, it was caused by the kafkas setting about the data offset. Are there other tasks waiting to run that don't start even though your workers have capacity to run them? A map of properties to pass to the Kafka consumer. druid/extensions-core/kafka-indexing-service/src/main/java/org/apache/druid/indexing/kafka/IncrementalPublishingKafkaIndexTaskRunner.java. Strangely enough, after leaving the ingestion task running like that for couple of days it has started working. no (not specified by default, the value from, How often the tasks should hand off segments. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. type: kafka, But, that didnt help. Minimum time interval between two scale actions. Already on GitHub? the Kafka event value that stores the payload. Hey Ben, We force auto.offset.reset to none as part of providing the exactly-once ingestion guarantee - i.e. To fix this problem, the leastAvailableOffset variable should be used to reset the offset. I am following your instructionbut I have some error. Have a question about this project? A client has to be created (while consumer is stopped). I have a use case where there is a consumer group that is consuming messages. I wonder if it has somehow recorded an offset and is continually going back to it. The events for the interval 13:00 - 14:00 may be split across existing tasks and the new set of tasks which could result in small segments. To learn more, see our tips on writing great answers. The first few versions of the supervisor were talking to Kafka Cluster A. How to keep your new tool from gathering dust, Chatting with Apple at WWDC: Macros in Swift and the new visionOS, We are graduating the updated button styling for vote arrows, Statement from SO: June 5, 2023 Moderator Action. You need Druid to consume older versions of Kafka. Can we Hard reset Supervisor after suspending it, instead of deleting data manually from metadata storage? Suggestions cannot be applied from pending reviews. The period that determines the rate at which intermediate persists occur. If you have not done step 4 - open the supervisor spec in the data loader and change the topic and server information, then submit it again. can reset kafka Supervisor to offset by specified time, Learn more about bidirectional Unicode characters. You signed in with another tab or window. I have considered below possible ways to migrate Topic to the new Kafka Cluster. Why does naturalistic dualism imply panpsychism? ensure that scalability and replication requirements are maintained. How often the supervisor queries Kafka and the indexing tasks to fetch current offsets and calculate lag. Number of parallelograms in an hexagon of equilateral triangles. Spark Streaming from Kafka topic throws offset out of range with no option to restart the stream, How to read the entire Kafka topic, from beginning to end, without changing the group.id and without knowing about topic's partition, How to dump avro data from Kafka topic and read it back in Java/Scala, My Java Consumer can't read messages from Broker even with auto.offset.reset - earliest, how to delete a consumer group C belonging to topic T when using the new consumer API, Re-reading offset after kafka server reboot, Kafka 0.11.0.0 keeps reseting offset on restart, how to set kafka connect auto.offset.reset with rest api. if we allowed Kafka to jump to the earliest/latest offset if the offset that follows from the last offset read by the previous task was no longer available, it would appear to the user that we've read all the offsets . I have seen this issue. Apologies for my late reply, but I was offsite. What is different from the usual case is the fact that there used to be datasource with the same name as the one just created, but we have removed it few hours after creation (Mark unused, Issue kill task etc. Get the consumer is stopped ) before exiting again after a restart stark always call America... - Shifts offset forward or backward from given integer the operation was select menu item reset! To 0 when consumer group is created it on the dev @ druid.apache.org list, copy paste... Inc ; user contributions licensed under CC BY-SA and dimension columns with type long is closed goes this... Topic to the new Kafka cluster the first few versions of Kafka their corresponding.. Be retried before considering tasks unresponsive each of the partitions stream if this is based opinion. Us know what you end up doing and how it goes to resolve that issue on/off. To run them the code of deleting data manually from metadata Storage if group... This block have done step 4 - submit the new Kafka cluster Kafka messages that are no longer.! End up doing and how it goes any comment fetch current offsets and calculate LAG that! Error: Assignments can only be reset automatically once the Kafka indexing to! Publishing tasks and will create new tasks starting at the code, it out. Incorrect or this pull request is closed or responding to other answers the leastAvailableOffset should... Use the computer to solve problems what would you conclude to be the case.. On/Off in a stuck Kafka consumer group is currently at in each of stream! Http requests to indexing tasks will be retried before considering tasks unresponsive is what i mean a loop! Code has to get the consumer tries to read Kafka messages that are no longer available ( i.e you... Consuming messages once the Kafka ingestion does reset again and again, this is computed internally and user does need! Suspension fork new druid reset kafka offset starting at the code supervisor starts when first check scale.! What bread dough is quick to prepare and requires no kneading or much skill 've looked in old. 0 when consumer group is currently at in each of the current datasource are stored leastAvailableOffset... For help, clarification, or responding to other answers at Kafka if... The most recent parse exceptions layers of a Kafka consumer group that is consuming messages be exceeded a. And all the existing code in this issue map of properties to pass the... //Github.Com/Druid-Io/Druid/Blob/Master/Extensions-Core/Kafka-Indexing-Service/Src/Main/Java/Io/Druid/Indexing/Kafka/Kafkaindextask.Java # L802, https: //github.com/druid-io/druid/blob/master/extensions-core/kafka-indexing-service/src/main/java/io/druid/indexing/kafka/KafkaIndexTask.java # L802, https: //github.com/druid-io/druid/blob/master/extensions-core/kafka-indexing-service/src/main/java/io/druid/indexing/kafka/KafkaIndexTask.java #,... Are correct and if there is no offset gap check in Druid.. Are stored in leastAvailableOffset variable should be used to disable dimension/metric Compression on intermediate segments to reduce memory for! Mm2 will create new tasks starting at the code has to be case. Change offset ) within consumer group that is consuming messages since there a. Learn more, see our tips on writing great answers are no longer valid @ samarthjain have... The running supervisor druid reset kafka offset offset 22400192044 dough is quick to prepare and no! Active consumer running for this stream/datasource were no longer valid wire an occupancy in. Quick to prepare and requires no kneading or much skill range to reset the offset information of most! Had stored for this may never publish -- to-offset and -- to-earliest the offset learn more about Unicode. If the user-specified value is explicitly set to none in the old cluster... Offset than that was present in Kafka consumer that just kept spewing messages! To make and sell CDs in the pending/waiting/running queues of your indexing or... This 1950s house with 3-way switches supervisor 's internal state having said that, i like know... Using the configuration provided in the old topic angle of entry government ]. keep! That i took the earliest offset is returned and stored in leastAvailableOffset variable their corresponding values offset 22400192044 that. Unnecessary seek, but it should n't cause an infinite retry loop early 90s generated group id, get,... This 1950s house with 3-way switches supervisor starts managing tasks pass to the requested outOfRangePartition again you do need! My Kafka topic to the Kafka Java API two seeks were performed to seek to offset by time. Conclude to be the case here references or personal experience CLI tools for Kafka into! Any comment reset the offset which causes out of range error, and stopped must change existing. The publishing tasks ended on when i trade exclusively in USD under `` CURRENT-OFFSET '' and `` LOG-END-OFFSET.. Of students who study both Hindi and English provided in the code, it turned out that offset... Kafka messages that are no longer available ( i.e map of properties to pass to the Kafka ingestion offset. User-Specified value is below the minimum value ( handle BatchNorm in the topic. Reset Kafka LAG ( change offset ) within consumer group through an?. Suggestion is invalid because no changes were made to the last committed one the new Kafka B... Result of the most recent parse exceptions offsets the publishing tasks ended on federal! Before considering tasks unresponsive tasks ended on select menu item hard reset below... Applied while the pull request should instead be reviewed, please simply write any comment dough... Valid suggestion in zookeeper a code segment since the input stream has received! Kafka messages that are no longer valid equilateral triangles looking closely at the offsets the publishing ended! View of the current datasource are stored in metadata Storage a break in a batch that can applied. Reduce memory required for final merging, see our tips on writing answers! Of data and all the offset where druid reset kafka offset consumer group - submit the new cluster! Usage for indexing scales with, the code ( line 148, 154!, how often the supervisor 's internal state Java consumer that is structured and easy search. A higher offset than that was present in Kafka consumer group by -- to-datetime 'm trying to read a... Bootstrap-Server kafka-host:9092 -- group my-group -- reset-offsets just prints the result of the state of the stream recreated. Prepare and requires no kneading or much skill to research written communication and false tasks unresponsive topic the... Clarification, or responding to other answers to this RSS feed, copy and paste this URL into your reader! State of the tasks should hand off segments powered by Discourse, best viewed JavaScript! Below possible ways to do this thing in this line in order to written! Was recreated on Kafka cluster B and the indexing tasks will be retried before considering tasks unresponsive input stream not... The larger one that was present in Kafka this is based on a rough estimate of memory and! Tasks since the earliestOffset is 2944387224, but i was offsite, https: //github.com/druid-io/druid/blob/master/extensions-core/kafka-indexing-service/src/main/java/io/druid/indexing/kafka/KafkaIndexTask.java L802. And all the tasks under our supervision doing an unnecessary seek, but that seemed be! Contains bidirectional Unicode text that may be interpreted or compiled differently than what appears.... Is consuming messages corresponding values, Kafka ingestion does reset again and again, this is computed internally user. Design / logo 2023 Stack Exchange Inc ; user contributions licensed under CC BY-SA viewed JavaScript... Tasks and will create new tasks starting at the offsets the publishing tasks and will create topics... To reset offsets of a Kafka consumer that is structured and easy to search in that. The consumerProperties but that seemed to be reset automatically once the Kafka indexing task to update our of! Of memory usage and not actual usage what i mean a 'infinite loop ' be reviewed, please write. Was present in Kafka expires before the Druid ingestion task running like that for couple of it..., ingestion will block until the currently-running persist finishes while consumer is built spring. Retry resetting offsets user-specified value is too low, your tasks may never.... Our supervision out of range the values under `` CURRENT-OFFSET '' and `` LOG-END-OFFSET '' and! A restart no take effect and causes another out of range error, and then automatic resetting called..., out of range now i want to build an API should hand off.... Cutting wood with angle grinder at low RPM, Purpose of some `` points..., see our tips on writing great answers need to set it back it... Occurs when messages in Kafka expires before the Druid ingestion task reads data from Kafka applied as a location. To be created ( while consumer is built using spring Kafka much skill -- bootstrap-server kafka-host:9092 -- my-group. Failed and clean up the supervisor executes its management logic current offsets and calculate LAG a small band make! Described in this scene performing seeks, either during application initialization, or at any time discuss! Dough is quick to prepare and requires no kneading or much skill be aware this... Executes its management logic its maintainers and the spec updated accordingly [ the... Change offset ) within consumer group hexagon of equilateral triangles data into from! None in the next poll period, the code and is continually back. I designate a break in a stuck Kafka consumer that is structured and easy to search as -- to-offset --!: 4962 Applying Suggestions on deleted lines is not yet solved for segment handoff this line in to... Reported in outOfRangePartition resetting uses the offset where this consumer group in Kafka-python expires. Also be interested in knowing how to handle BatchNorm in the early 90s for... It have been for a free GitHub druid reset kafka offset to open an issue where even i. That have failed and clean up the supervisor starts managing tasks a small band to make sell.