pchang388 commented on issue #12701:
URL: https://github.com/apache/druid/issues/12701#issuecomment-1185827594
Hi @AmatyaAvadhanula,
So I did let it run with the section commented out for a bit, and most of
them failed (~50%+) with the same error messages we've seen before but I did
see one that was different, relevant INFO level logs below (can also get you
debug logs if needed). I'm unsure at the moment if the change we made removed a
race condition but looking at the code I believe I understand why you suggested
it and looks like it could possibly do so.
Example Task: `index_kafka_REDACT_daa7d95ffa54138_omkgiccg` - this one had
the same issue where it was killed due to not pausing within the chatRetries
(default 8) limit
* Overlord Log Snippet - Shutdown task due to: `Task
[index_kafka_REDACT_daa7d95ffa54138_omkgiccg] failed to change its status from
[READING] to [PAUSED], aborting]`
```
2022-07-14T23:47:20,270 INFO [IndexTaskClient-REDACT-2]
org.apache.druid.indexing.seekablestream.SeekableStreamIndexTaskClient - Still
waiting for task [index_kafka_REDACT_daa7d95ffa54138_omkgiccg] to change its
status to [PAUSED]; will try again in [PT2S]
2022-07-14T23:47:22,550 INFO [IndexTaskClient-REDACT-2]
org.apache.druid.indexing.seekablestream.SeekableStreamIndexTaskClient - Still
waiting for task [index_kafka_REDACT_daa7d95ffa54138_omkgiccg] to change its
status to [PAUSED]; will try again in [PT4S]
2022-07-14T23:47:26,826 INFO [IndexTaskClient-REDACT-2]
org.apache.druid.indexing.seekablestream.SeekableStreamIndexTaskClient - Still
waiting for task [index_kafka_REDACT_daa7d95ffa54138_omkgiccg] to change its
status to [PAUSED]; will try again in [PT8S]
2022-07-14T23:47:35,108 INFO [IndexTaskClient-REDACT-2]
org.apache.druid.indexing.seekablestream.SeekableStreamIndexTaskClient - Still
waiting for task [index_kafka_REDACT_daa7d95ffa54138_omkgiccg] to change its
status to [PAUSED]; will try again in [PT10S]
2022-07-14T23:47:45,387 INFO [IndexTaskClient-REDACT-2]
org.apache.druid.indexing.seekablestream.SeekableStreamIndexTaskClient - Still
waiting for task [index_kafka_REDACT_daa7d95ffa54138_omkgiccg] to change its
status to [PAUSED]; will try again in [PT10S]
2022-07-14T23:47:55,666 INFO [IndexTaskClient-REDACT-2]
org.apache.druid.indexing.seekablestream.SeekableStreamIndexTaskClient - Still
waiting for task [index_kafka_REDACT_daa7d95ffa54138_omkgiccg] to change its
status to [PAUSED]; will try again in [PT10S]
2022-07-14T23:48:05,943 INFO [IndexTaskClient-REDACT-2]
org.apache.druid.indexing.seekablestream.SeekableStreamIndexTaskClient - Still
waiting for task [index_kafka_REDACT_daa7d95ffa54138_omkgiccg] to change its
status to [PAUSED]; will try again in [PT10S]
2022-07-14T23:48:16,222 INFO [IndexTaskClient-REDACT-2]
org.apache.druid.indexing.seekablestream.SeekableStreamIndexTaskClient - Still
waiting for task [index_kafka_REDACT_daa7d95ffa54138_omkgiccg] to change its
status to [PAUSED]; will try again in [PT10S]
2022-07-14T23:49:27,234 INFO [qtp1886478937-103]
org.apache.druid.indexing.overlord.TaskLockbox - Added
task[index_kafka_REDACT_daa7d95ffa54138_omkgiccg] to
TaskLock[TimeChunkLock{type=EXCLUSIVE, groupId='index_kafka_REDACT',
dataSource='REDACT',
interval=2022-06-01T14:00:00.000Z/2022-06-01T15:00:00.000Z,
version='2022-07-14T23:27:38.085Z', priority=75, revoked=false}]
2022-07-14T23:49:27,234 INFO [qtp1886478937-103]
org.apache.druid.indexing.overlord.MetadataTaskStorage - Adding lock on
interval[2022-06-01T14:00:00.000Z/2022-06-01T15:00:00.000Z]
version[2022-07-14T23:27:38.085Z] for task:
index_kafka_REDACT_daa7d95ffa54138_omkgiccg
2022-07-14T23:50:58,304 INFO [KafkaSupervisor-REDACT-Worker-1]
org.apache.druid.indexing.overlord.RemoteTaskRunner - Shutdown
[index_kafka_REDACT_daa7d95ffa54138_omkgiccg] because: [An exception occured
while waiting for task [index_kafka_REDACT_daa7d95ffa54138_omkgiccg] to pause:
[org.apache.druid.java.util.common.ISE: Task
[index_kafka_REDACT_daa7d95ffa54138_omkgiccg] failed to change its status from
[READING] to [PAUSED], aborting]]
2022-07-14T23:50:58,419 INFO [KafkaSupervisor-REDACT-Worker-1]
org.apache.druid.indexing.overlord.RemoteTaskRunner - Sent shutdown message to
worker: REDACTED.host.com:8091, status 200 OK, response:
{"task":"index_kafka_REDACT_daa7d95ffa54138_omkgiccg"}
2022-07-14T23:50:59,559 INFO [Curator-PathChildrenCache-1]
org.apache.druid.indexing.overlord.RemoteTaskRunner -
Worker[REDACTED.host.com:8091] wrote FAILED status for task
[index_kafka_REDACT_daa7d95ffa54138_omkgiccg] on
[TaskLocation{host='REDACTED.host.com', port=8102, tlsPort=-1}]
2022-07-14T23:50:59,559 INFO [Curator-PathChildrenCache-1]
org.apache.druid.indexing.overlord.RemoteTaskRunner -
Worker[REDACTED.host.com:8091] completed
task[index_kafka_REDACT_daa7d95ffa54138_omkgiccg] with status[FAILED]
2022-07-14T23:50:59,559 INFO [Curator-PathChildrenCache-1]
org.apache.druid.indexing.overlord.TaskQueue - Received FAILED status for task:
index_kafka_REDACT_daa7d95ffa54138_omkgiccg
2022-07-14T23:52:28,726 INFO [KafkaSupervisor-REDACT-Worker-1]
org.apache.druid.indexing.overlord.TaskLockbox - Removing
task[index_kafka_REDACT_daa7d95ffa54138_omkgiccg] from activeTasks
2022-07-14T23:52:28,726 INFO [KafkaSupervisor-REDACT-Worker-1]
org.apache.druid.indexing.overlord.TaskLockbox - Removing
task[index_kafka_REDACT_daa7d95ffa54138_omkgiccg] from
TaskLock[TimeChunkLock{type=EXCLUSIVE, groupId='index_kafka_REDACT',
dataSource='REDACT',
interval=2022-05-29T09:00:00.000Z/2022-05-29T10:00:00.000Z,
version='2022-07-14T23:45:45.943Z', priority=75, revoked=false}]
2022-07-14T23:52:28,958 INFO [KafkaSupervisor-REDACT-Worker-1]
org.apache.druid.indexing.overlord.TaskLockbox - Removing
task[index_kafka_REDACT_daa7d95ffa54138_omkgiccg] from
TaskLock[TimeChunkLock{type=EXCLUSIVE, groupId='index_kafka_REDACT',
dataSource='REDACT',
interval=2022-05-29T10:00:00.000Z/2022-05-29T11:00:00.000Z,
version='2022-07-14T23:01:48.156Z', priority=75, revoked=false}]
2022-07-14T23:52:29,186 INFO [KafkaSupervisor-REDACT-Worker-1]
org.apache.druid.indexing.overlord.TaskLockbox - Removing
task[index_kafka_REDACT_daa7d95ffa54138_omkgiccg] from
TaskLock[TimeChunkLock{type=EXCLUSIVE, groupId='index_kafka_REDACT',
dataSource='REDACT',
interval=2022-05-29T17:00:00.000Z/2022-05-29T18:00:00.000Z,
version='2022-07-14T23:18:41.116Z', priority=75, revoked=false}]
2022-07-14T23:52:29,415 INFO [KafkaSupervisor-REDACT-Worker-1]
org.apache.druid.indexing.overlord.TaskLockbox - Removing
task[index_kafka_REDACT_daa7d95ffa54138_omkgiccg] from
TaskLock[TimeChunkLock{type=EXCLUSIVE, groupId='index_kafka_REDACT',
dataSource='REDACT',
interval=2022-05-31T01:00:00.000Z/2022-05-31T02:00:00.000Z,
version='2022-07-14T23:42:26.717Z', priority=75, revoked=false}]
2022-07-14T23:52:29,640 INFO [KafkaSupervisor-REDACT-Worker-1]
org.apache.druid.indexing.overlord.TaskLockbox - Removing
task[index_kafka_REDACT_daa7d95ffa54138_omkgiccg] from
TaskLock[TimeChunkLock{type=EXCLUSIVE, groupId='index_kafka_REDACT',
dataSource='REDACT',
interval=2022-05-31T09:00:00.000Z/2022-05-31T10:00:00.000Z,
version='2022-07-14T23:14:55.776Z', priority=75, revoked=false}]
2022-07-14T23:52:29,886 INFO [KafkaSupervisor-REDACT-Worker-1]
org.apache.druid.indexing.overlord.TaskLockbox - Removing
task[index_kafka_REDACT_daa7d95ffa54138_omkgiccg] from
TaskLock[TimeChunkLock{type=EXCLUSIVE, groupId='index_kafka_REDACT',
dataSource='REDACT',
interval=2022-05-31T16:00:00.000Z/2022-05-31T17:00:00.000Z,
version='2022-07-14T23:38:25.971Z', priority=75, revoked=false}]
2022-07-14T23:52:30,120 INFO [KafkaSupervisor-REDACT-Worker-1]
org.apache.druid.indexing.overlord.TaskLockbox - Removing
task[index_kafka_REDACT_daa7d95ffa54138_omkgiccg] from
TaskLock[TimeChunkLock{type=EXCLUSIVE, groupId='index_kafka_REDACT',
dataSource='REDACT',
interval=2022-06-01T14:00:00.000Z/2022-06-01T15:00:00.000Z,
version='2022-07-14T23:27:38.085Z', priority=75, revoked=false}]
2022-07-14T23:52:30,348 INFO [KafkaSupervisor-REDACT-Worker-1]
org.apache.druid.indexing.overlord.TaskLockbox - Removing
task[index_kafka_REDACT_daa7d95ffa54138_omkgiccg] from
TaskLock[TimeChunkLock{type=EXCLUSIVE, groupId='index_kafka_REDACT',
dataSource='REDACT',
interval=2022-07-07T11:00:00.000Z/2022-07-07T12:00:00.000Z,
version='2022-07-14T23:05:31.113Z', priority=75, revoked=false}]
2022-07-14T23:52:30,572 INFO [KafkaSupervisor-REDACT-Worker-1]
org.apache.druid.indexing.overlord.TaskLockbox - Removing
task[index_kafka_REDACT_daa7d95ffa54138_omkgiccg] from
TaskLock[TimeChunkLock{type=EXCLUSIVE, groupId='index_kafka_REDACT',
dataSource='REDACT',
interval=2022-07-07T14:00:00.000Z/2022-07-07T15:00:00.000Z,
version='2022-07-14T22:10:07.792Z', priority=75, revoked=false}]
2022-07-14T23:52:30,797 INFO [KafkaSupervisor-REDACT-Worker-1]
org.apache.druid.indexing.overlord.TaskLockbox - Removing
task[index_kafka_REDACT_daa7d95ffa54138_omkgiccg] from
TaskLock[TimeChunkLock{type=EXCLUSIVE, groupId='index_kafka_REDACT',
dataSource='REDACT',
interval=2022-07-07T15:00:00.000Z/2022-07-07T16:00:00.000Z,
version='2022-07-14T23:35:04.230Z', priority=75, revoked=false}]
2022-07-14T23:52:31,029 INFO [KafkaSupervisor-REDACT-Worker-1]
org.apache.druid.indexing.overlord.TaskLockbox - Removing
task[index_kafka_REDACT_daa7d95ffa54138_omkgiccg] from
TaskLock[TimeChunkLock{type=EXCLUSIVE, groupId='index_kafka_REDACT',
dataSource='REDACT',
interval=2022-07-14T16:00:00.000Z/2022-07-14T17:00:00.000Z,
version='2022-07-14T20:20:37.672Z', priority=75, revoked=false}]
2022-07-14T23:52:31,270 INFO [KafkaSupervisor-REDACT-Worker-1]
org.apache.druid.indexing.overlord.TaskLockbox - Removing
task[index_kafka_REDACT_daa7d95ffa54138_omkgiccg] from
TaskLock[TimeChunkLock{type=EXCLUSIVE, groupId='index_kafka_REDACT',
dataSource='REDACT',
interval=2022-07-14T17:00:00.000Z/2022-07-14T18:00:00.000Z,
version='2022-07-14T21:50:01.268Z', priority=75, revoked=false}]
2022-07-14T23:52:31,517 INFO [KafkaSupervisor-REDACT-Worker-1]
org.apache.druid.indexing.overlord.TaskLockbox - Removing
task[index_kafka_REDACT_daa7d95ffa54138_omkgiccg] from
TaskLock[TimeChunkLock{type=EXCLUSIVE, groupId='index_kafka_REDACT',
dataSource='REDACT',
interval=2022-07-14T18:00:00.000Z/2022-07-14T19:00:00.000Z,
version='2022-07-14T21:44:27.183Z', priority=75, revoked=false}]
2022-07-14T23:52:31,746 INFO [KafkaSupervisor-REDACT-Worker-1]
org.apache.druid.indexing.overlord.TaskLockbox - Removing
task[index_kafka_REDACT_daa7d95ffa54138_omkgiccg] from
TaskLock[TimeChunkLock{type=EXCLUSIVE, groupId='index_kafka_REDACT',
dataSource='REDACT',
interval=2022-07-14T19:00:00.000Z/2022-07-14T20:00:00.000Z,
version='2022-07-14T23:06:16.008Z', priority=75, revoked=false}]
2022-07-14T23:52:31,988 INFO [KafkaSupervisor-REDACT-Worker-1]
org.apache.druid.indexing.overlord.TaskLockbox - Removing
task[index_kafka_REDACT_daa7d95ffa54138_omkgiccg] from
TaskLock[TimeChunkLock{type=EXCLUSIVE, groupId='index_kafka_REDACT',
dataSource='REDACT',
interval=2022-07-15T01:00:00.000Z/2022-07-15T02:00:00.000Z,
version='2022-07-14T22:57:43.141Z', priority=75, revoked=false}]
2022-07-14T23:52:32,214 INFO [KafkaSupervisor-REDACT-Worker-1]
org.apache.druid.indexing.overlord.TaskLockbox - Removing
task[index_kafka_REDACT_daa7d95ffa54138_omkgiccg] from
TaskLock[TimeChunkLock{type=EXCLUSIVE, groupId='index_kafka_REDACT',
dataSource='REDACT',
interval=2022-07-15T02:00:00.000Z/2022-07-15T03:00:00.000Z,
version='2022-07-14T23:10:47.272Z', priority=75, revoked=false}]
2022-07-14T23:52:32,569 INFO [KafkaSupervisor-REDACT-Worker-1]
org.apache.druid.indexing.overlord.MetadataTaskStorage - Updating task
index_kafka_REDACT_daa7d95ffa54138_omkgiccg to status:
TaskStatus{id=index_kafka_REDACT_daa7d95ffa54138_omkgiccg, status=FAILED,
duration=-1, errorMsg=An exception occured while waiting for task
[index_kafka_REDACT_daa7d95ffa54138_omkgiccg] to pause: ...}
2022-07-14T23:52:32,690 INFO [KafkaSupervisor-REDACT-Worker-1]
org.apache.druid.indexing.overlord.TaskQueue - Task done:
AbstractTask{id='index_kafka_REDACT_daa7d95ffa54138_omkgiccg',
groupId='index_kafka_REDACT',
taskResource=TaskResource{availabilityGroup='index_kafka_REDACT_daa7d95ffa54138',
requiredCapacity=1}, dataSource='REDACT',
context={checkpoints={"0":{"5":13421694182}},
useLineageBasedSegmentAllocation=true, IS_INCREMENTAL_HANDOFF_SUPPORTED=true,
forceTimeChunkLock=true}}
2022-07-14T23:53:44,018 INFO [Curator-PathChildrenCache-1]
org.apache.druid.indexing.overlord.RemoteTaskRunner - Shutdown
[index_kafka_REDACT_daa7d95ffa54138_omkgiccg] because: [notified status change
from task]
2022-07-14T23:53:44,018 INFO [Curator-PathChildrenCache-1]
org.apache.druid.indexing.overlord.RemoteTaskRunner - Cleaning up
task[index_kafka_REDACT_daa7d95ffa54138_omkgiccg] on
worker[REDACTED.host.com:8091]
2022-07-14T23:53:44,076 WARN [Curator-PathChildrenCache-1]
org.apache.druid.indexing.overlord.TaskQueue - Unknown task completed:
index_kafka_REDACT_daa7d95ffa54138_omkgiccg
2022-07-14T23:53:44,076 INFO [Curator-PathChildrenCache-1]
org.apache.druid.indexing.overlord.TaskQueue - Task FAILED:
AbstractTask{id='index_kafka_REDACT_daa7d95ffa54138_omkgiccg',
groupId='index_kafka_REDACT',
taskResource=TaskResource{availabilityGroup='index_kafka_REDACT_daa7d95ffa54138',
requiredCapacity=1}, dataSource='REDACT',
context={checkpoints={"0":{"5":13421694182}},
useLineageBasedSegmentAllocation=true, IS_INCREMENTAL_HANDOFF_SUPPORTED=true,
forceTimeChunkLock=true}} (3828502 run duration)
2022-07-14T23:53:44,076 INFO [Curator-PathChildrenCache-1]
org.apache.druid.indexing.overlord.RemoteTaskRunner -
Task[index_kafka_REDACT_daa7d95ffa54138_omkgiccg] went bye bye.
```
* Peon Log Snippet - was actually in `PAUSED` state during the shutdown -
`Stopping forcefully (status: [PAUSED])`
```
2022-07-14T23:35:25,545 INFO [task-runner-0-priority-0]
org.apache.druid.server.coordination.BatchDataSegmentAnnouncer - Announcing
segment[REDACT_2022-07-07T15:00:00.000Z_2022-07-07T16:00:00.000Z_2022-07-07T14:57:55.341Z_560]
at existing
path[/druid/segments/REDACTED.host.com:8102/REDACTED.host.com:8102_indexer-executor__default_tier_2022-07-14T22:49:49.993Z_d79a1d9505724d35a787458d655501b40]
2022-07-14T23:38:47,724 INFO [task-runner-0-priority-0]
org.apache.druid.server.coordination.BatchDataSegmentAnnouncer - Announcing
segment[REDACT_2022-05-31T16:00:00.000Z_2022-05-31T17:00:00.000Z_2022-05-31T22:18:01.994Z_1082]
at existing
path[/druid/segments/REDACTED.host.com:8102/REDACTED.host.com:8102_indexer-executor__default_tier_2022-07-14T22:49:49.993Z_d79a1d9505724d35a787458d655501b40]
2022-07-14T23:42:48,993 INFO [task-runner-0-priority-0]
org.apache.druid.server.coordination.BatchDataSegmentAnnouncer - Announcing
segment[REDACT_2022-05-31T01:00:00.000Z_2022-05-31T02:00:00.000Z_2022-06-06T12:50:29.291Z_329]
at existing
path[/druid/segments/REDACTED.host.com:8102/REDACTED.host.com:8102_indexer-executor__default_tier_2022-07-14T22:49:49.993Z_d79a1d9505724d35a787458d655501b40]
2022-07-14T23:42:48,994 INFO [task-runner-0-priority-0]
org.apache.druid.segment.realtime.appenderator.StreamAppenderator - Persisted
rows[302,835] and (estimated) bytes[482,175,309]
2022-07-14T23:42:49,019 INFO
[[index_kafka_REDACT_daa7d95ffa54138_omkgiccg]-appenderator-persist]
org.apache.druid.segment.realtime.appenderator.StreamAppenderator - Flushed
in-memory data for
segment[REDACT_2022-07-07T15:00:00.000Z_2022-07-07T16:00:00.000Z_2022-07-07T14:57:55.341Z_560]
spill[0] to disk in [24] ms (1,000 rows).
2022-07-14T23:42:50,562 INFO
[[index_kafka_REDACT_daa7d95ffa54138_omkgiccg]-appenderator-persist]
org.apache.druid.segment.realtime.appenderator.StreamAppenderator - Flushed
in-memory data for
segment[REDACT_2022-07-14T18:00:00.000Z_2022-07-14T19:00:00.000Z_2022-07-14T19:24:01.698Z_22]
spill[7] to disk in [1,542] ms (136,567 rows).
2022-07-14T23:42:53,411 INFO
[[index_kafka_REDACT_daa7d95ffa54138_omkgiccg]-appenderator-persist]
org.apache.druid.segment.realtime.appenderator.StreamAppenderator - Flushed
in-memory data for
segment[REDACT_2022-07-14T19:00:00.000Z_2022-07-14T20:00:00.000Z_2022-07-14T20:41:44.206Z_7]
spill[8] to disk in [2,837] ms (164,266 rows).
2022-07-14T23:42:53,444 INFO
[[index_kafka_REDACT_daa7d95ffa54138_omkgiccg]-appenderator-persist]
org.apache.druid.segment.realtime.appenderator.StreamAppenderator - Flushed
in-memory data for
segment[REDACT_2022-07-15T02:00:00.000Z_2022-07-15T03:00:00.000Z_2022-07-14T21:09:08.443Z_4]
spill[5] to disk in [18] ms (1 rows).
2022-07-14T23:42:53,497 INFO
[[index_kafka_REDACT_daa7d95ffa54138_omkgiccg]-appenderator-persist]
org.apache.druid.segment.realtime.appenderator.StreamAppenderator - Flushed
in-memory data for
segment[REDACT_2022-05-31T01:00:00.000Z_2022-05-31T02:00:00.000Z_2022-06-06T12:50:29.291Z_329]
spill[0] to disk in [52] ms (1 rows).
2022-07-14T23:42:53,519 INFO
[[index_kafka_REDACT_daa7d95ffa54138_omkgiccg]-appenderator-persist]
org.apache.druid.segment.realtime.appenderator.StreamAppenderator - Flushed
in-memory data for
segment[REDACT_2022-05-31T16:00:00.000Z_2022-05-31T17:00:00.000Z_2022-05-31T22:18:01.994Z_1082]
spill[0] to disk in [20] ms (1,000 rows).
2022-07-14T23:42:53,520 INFO
[[index_kafka_REDACT_daa7d95ffa54138_omkgiccg]-appenderator-persist]
org.apache.druid.segment.realtime.appenderator.StreamAppenderator - Flushed
in-memory data with commit metadata
[AppenderatorDriverMetadata{segments={index_kafka_REDACT_daa7d95ffa54138_1=[SegmentWithState{segmentIdentifier=REDACT_2022-05-31T01:00:00.000Z_2022-05-31T02:00:00.000Z_2022-06-06T12:50:29.291Z_329,
state=APPENDING},
SegmentWithState{segmentIdentifier=REDACT_2022-05-31T16:00:00.000Z_2022-05-31T17:00:00.000Z_2022-05-31T22:18:01.994Z_1082,
state=APPENDING},
SegmentWithState{segmentIdentifier=REDACT_2022-07-07T15:00:00.000Z_2022-07-07T16:00:00.000Z_2022-07-07T14:57:55.341Z_560,
state=APPENDING},
SegmentWithState{segmentIdentifier=REDACT_2022-07-14T18:00:00.000Z_2022-07-14T19:00:00.000Z_2022-07-14T19:24:01.698Z_22,
state=APPENDING},
SegmentWithState{segmentIdentifier=REDACT_2022-07-14T19:00:00.000Z_2022-07-14T20:00:00.000Z_2022-07-14T20:41:44.206Z_7,
state=APPENDING}, SegmentWith
State{segmentIdentifier=REDACT_2022-07-15T02:00:00.000Z_2022-07-15T03:00:00.000Z_2022-07-14T21:09:08.443Z_4,
state=APPENDING}]},
lastSegmentIds={index_kafka_REDACT_daa7d95ffa54138_1=REDACT_2022-05-31T01:00:00.000Z_2022-05-31T02:00:00.000Z_2022-06-06T12:50:29.291Z_329},
callerMetadata={nextPartitions=SeekableStreamEndSequenceNumbers{stream='REDACT',
partitionSequenceNumberMap={5=13433730900}}}}] for segments:
REDACT_2022-07-07T15:00:00.000Z_2022-07-07T16:00:00.000Z_2022-07-07T14:57:55.341Z_560,
REDACT_2022-07-14T18:00:00.000Z_2022-07-14T19:00:00.000Z_2022-07-14T19:24:01.698Z_22,
REDACT_2022-07-14T19:00:00.000Z_2022-07-14T20:00:00.000Z_2022-07-14T20:41:44.206Z_7,
REDACT_2022-07-15T02:00:00.000Z_2022-07-15T03:00:00.000Z_2022-07-14T21:09:08.443Z_4,
REDACT_2022-05-31T01:00:00.000Z_2022-05-31T02:00:00.000Z_2022-06-06T12:50:29.291Z_329,
REDACT_2022-05-31T16:00:00.000Z_2022-05-31T17:00:00.000Z_2022-05-31T22:18:01.994Z_1082
2022-07-14T23:42:53,520 INFO
[[index_kafka_REDACT_daa7d95ffa54138_omkgiccg]-appenderator-persist]
org.apache.druid.segment.realtime.appenderator.StreamAppenderator - Persisted
stats: processed rows: [12037718], persisted rows[302835], sinks: [6], total
fireHydrants (across sinks): [26], persisted fireHydrants (across sinks): [6]
2022-07-14T23:46:08,182 INFO [task-runner-0-priority-0]
org.apache.druid.server.coordination.BatchDataSegmentAnnouncer - Announcing
segment[REDACT_2022-05-29T09:00:00.000Z_2022-05-29T10:00:00.000Z_2022-05-31T23:59:23.591Z_782]
at existing
path[/druid/segments/REDACTED.host.com:8102/REDACTED.host.com:8102_indexer-executor__default_tier_2022-07-14T22:49:49.993Z_d79a1d9505724d35a787458d655501b40]
2022-07-14T23:49:27,388 INFO [task-runner-0-priority-0]
org.apache.druid.server.coordination.BatchDataSegmentAnnouncer - Announcing
segment[REDACT_2022-06-01T14:00:00.000Z_2022-06-01T15:00:00.000Z_2022-06-01T20:26:55.463Z_762]
at existing
path[/druid/segments/REDACTED.host.com:8102/REDACTED.host.com:8102_indexer-executor__default_tier_2022-07-14T22:49:49.993Z_d79a1d9505724d35a787458d655501b40]
2022-07-14T23:50:58,392 INFO [parent-monitor-0]
org.apache.druid.indexing.worker.executor.ExecutorLifecycle - Triggering JVM
shutdown.
2022-07-14T23:50:58,392 INFO [Thread-70] org.apache.druid.cli.CliPeon -
Running shutdown hook
2022-07-14T23:50:58,392 INFO [Thread-70]
org.apache.druid.java.util.common.lifecycle.Lifecycle - Stopping lifecycle
[module] stage [ANNOUNCEMENTS]
2022-07-14T23:50:58,398 INFO [Thread-70]
org.apache.druid.curator.announcement.Announcer - Unannouncing
[/druid/announcements/REDACTED.host.com:8102]
2022-07-14T23:50:58,414 INFO [Thread-70]
org.apache.druid.curator.announcement.Announcer - Unannouncing
[/druid/segments/REDACTED.host.com:8102/REDACTED.host.com:8102_indexer-executor__default_tier_2022-07-14T22:49:49.993Z_d79a1d9505724d35a787458d655501b40]
2022-07-14T23:50:58,417 INFO [Thread-70]
org.apache.druid.curator.announcement.Announcer - Unannouncing
[/druid/internal-discovery/PEON/REDACTED.host.com:8102]
2022-07-14T23:50:58,420 INFO [Thread-70]
org.apache.druid.java.util.common.lifecycle.Lifecycle - Stopping lifecycle
[module] stage [SERVER]
2022-07-14T23:50:58,426 INFO [Thread-70]
org.eclipse.jetty.server.AbstractConnector - Stopped
ServerConnector@70cd122{HTTP/1.1, (http/1.1)}{0.0.0.0:8102}
2022-07-14T23:50:58,426 INFO [Thread-70] org.eclipse.jetty.server.session -
node0 Stopped scavenging
2022-07-14T23:50:58,427 INFO [Thread-70]
org.eclipse.jetty.server.handler.ContextHandler - Stopped
o.e.j.s.ServletContextHandler@5a6af2c4{/,null,STOPPED}
2022-07-14T23:50:58,429 INFO [Thread-70]
org.apache.druid.java.util.common.lifecycle.Lifecycle - Stopping lifecycle
[module] stage [NORMAL]
2022-07-14T23:50:58,429 INFO [Thread-70]
org.apache.druid.server.coordination.ZkCoordinator - Stopping ZkCoordinator for
[DruidServerMetadata{name='REDACTED.host.com:8102',
hostAndPort='REDACTED.host.com:8102', hostAndTlsPort='null', maxSize=0,
tier='_default_tier', type=indexer-executor, priority=0}]
2022-07-14T23:50:58,430 INFO [Thread-70]
org.apache.druid.server.coordination.SegmentLoadDropHandler - Stopping...
2022-07-14T23:50:58,430 INFO [Thread-70]
org.apache.druid.server.coordination.SegmentLoadDropHandler - Stopped.
2022-07-14T23:50:58,430 INFO [Thread-70]
org.apache.druid.indexing.overlord.SingleTaskBackgroundRunner - Starting
graceful shutdown of task[index_kafka_REDACT_daa7d95ffa54138_omkgiccg].
2022-07-14T23:50:58,430 INFO [Thread-70]
org.apache.druid.indexing.seekablestream.SeekableStreamIndexTaskRunner -
Stopping forcefully (status: [PAUSED])
2022-07-14T23:50:58,431 ERROR [task-runner-0-priority-0]
org.apache.druid.indexing.seekablestream.SeekableStreamIndexTaskRunner -
Encountered exception in run() before persisting.
java.lang.InterruptedException: null
at
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.reportInterruptAfterWait(AbstractQueuedSynchronizer.java:2014)
~[?:1.8.0_322]
at
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2048)
~[?:1.8.0_322]
at
org.apache.druid.indexing.seekablestream.SeekableStreamIndexTaskRunner.possiblyPause(SeekableStreamIndexTaskRunner.java:1303)
~[druid-indexing-service-0.23.0.jar:0.23.0]
at
org.apache.druid.indexing.seekablestream.SeekableStreamIndexTaskRunner.runInternal(SeekableStreamIndexTaskRunner.java:579)
[druid-indexing-service-0.23.0.jar:0.23.0]
at
org.apache.druid.indexing.seekablestream.SeekableStreamIndexTaskRunner.run(SeekableStreamIndexTaskRunner.java:265)
[druid-indexing-service-0.23.0.jar:0.23.0]
at
org.apache.druid.indexing.seekablestream.SeekableStreamIndexTask.run(SeekableStreamIndexTask.java:149)
[druid-indexing-service-0.23.0.jar:0.23.0]
at
org.apache.druid.indexing.overlord.SingleTaskBackgroundRunner$SingleTaskBackgroundRunnerCallable.call(SingleTaskBackgroundRunner.java:477)
[druid-indexing-service-0.23.0.jar:0.23.0]
at
org.apache.druid.indexing.overlord.SingleTaskBackgroundRunner$SingleTaskBackgroundRunnerCallable.call(SingleTaskBackgroundRunner.java:449)
[druid-indexing-service-0.23.0.jar:0.23.0]
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
[?:1.8.0_322]
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
[?:1.8.0_322]
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
[?:1.8.0_322]
at java.lang.Thread.run(Thread.java:750) [?:1.8.0_322]
2022-07-14T23:50:58,433 INFO [task-runner-0-priority-0]
org.apache.druid.segment.realtime.appenderator.StreamAppenderator - Persisted
rows[2,499] and (estimated) bytes[2,953,857]
2022-07-14T23:50:58,433 INFO [task-runner-0-priority-0]
org.apache.kafka.clients.consumer.internals.ConsumerCoordinator - [Consumer
clientId=consumer-kafka-supervisor-ogdbelko-1,
groupId=kafka-supervisor-ogdbelko] Resetting generation due to: consumer
pro-actively leaving the group
2022-07-14T23:50:58,433 INFO [task-runner-0-priority-0]
org.apache.kafka.clients.consumer.internals.ConsumerCoordinator - [Consumer
clientId=consumer-kafka-supervisor-ogdbelko-1,
groupId=kafka-supervisor-ogdbelko] Request joining group due to: consumer
pro-actively leaving the group
2022-07-14T23:50:58,434 INFO [task-runner-0-priority-0]
org.apache.kafka.common.metrics.Metrics - Metrics scheduler closed
2022-07-14T23:50:58,434 INFO [task-runner-0-priority-0]
org.apache.kafka.common.metrics.Metrics - Closing reporter
org.apache.kafka.common.metrics.JmxReporter
2022-07-14T23:50:58,434 INFO [task-runner-0-priority-0]
org.apache.kafka.common.metrics.Metrics - Metrics reporters closed
2022-07-14T23:50:58,436 INFO [task-runner-0-priority-0]
org.apache.kafka.common.utils.AppInfoParser - App info kafka.consumer for
consumer-kafka-supervisor-ogdbelko-1 unregistered
2022-07-14T23:50:58,436 INFO [task-runner-0-priority-0]
org.apache.druid.server.coordination.BatchDataSegmentAnnouncer - Unannouncing
segment[REDACT_2022-05-29T09:00:00.000Z_2022-05-29T10:00:00.000Z_2022-05-31T23:59:23.591Z_782]
at
path[/druid/segments/REDACTED.host.com:8102/REDACTED.host.com:8102_indexer-executor__default_tier_2022-07-14T22:49:49.993Z_d79a1d9505724d35a787458d655501b40]
2022-07-14T23:50:58,437 INFO [task-runner-0-priority-0]
org.apache.druid.server.coordination.BatchDataSegmentAnnouncer - Unannouncing
segment[REDACT_2022-07-07T15:00:00.000Z_2022-07-07T16:00:00.000Z_2022-07-07T14:57:55.341Z_560]
at
path[/druid/segments/REDACTED.host.com:8102/REDACTED.host.com:8102_indexer-executor__default_tier_2022-07-14T22:49:49.993Z_d79a1d9505724d35a787458d655501b40]
2022-07-14T23:50:58,437 INFO [task-runner-0-priority-0]
org.apache.druid.server.coordination.BatchDataSegmentAnnouncer - Unannouncing
segment[REDACT_2022-06-01T14:00:00.000Z_2022-06-01T15:00:00.000Z_2022-06-01T20:26:55.463Z_762]
at
path[/druid/segments/REDACTED.host.com:8102/REDACTED.host.com:8102_indexer-executor__default_tier_2022-07-14T22:49:49.993Z_d79a1d9505724d35a787458d655501b40]
2022-07-14T23:50:58,437 INFO [task-runner-0-priority-0]
org.apache.druid.server.coordination.BatchDataSegmentAnnouncer - Unannouncing
segment[REDACT_2022-07-14T18:00:00.000Z_2022-07-14T19:00:00.000Z_2022-07-14T19:24:01.698Z_22]
at
path[/druid/segments/REDACTED.host.com:8102/REDACTED.host.com:8102_indexer-executor__default_tier_2022-07-14T22:49:49.993Z_d79a1d9505724d35a787458d655501b40]
2022-07-14T23:50:58,437 INFO [task-runner-0-priority-0]
org.apache.druid.server.coordination.BatchDataSegmentAnnouncer - Unannouncing
segment[REDACT_2022-07-14T19:00:00.000Z_2022-07-14T20:00:00.000Z_2022-07-14T20:41:44.206Z_7]
at
path[/druid/segments/REDACTED.host.com:8102/REDACTED.host.com:8102_indexer-executor__default_tier_2022-07-14T22:49:49.993Z_d79a1d9505724d35a787458d655501b40]
2022-07-14T23:50:58,437 INFO [task-runner-0-priority-0]
org.apache.druid.server.coordination.BatchDataSegmentAnnouncer - Unannouncing
segment[REDACT_2022-07-15T02:00:00.000Z_2022-07-15T03:00:00.000Z_2022-07-14T21:09:08.443Z_4]
at
path[/druid/segments/REDACTED.host.com:8102/REDACTED.host.com:8102_indexer-executor__default_tier_2022-07-14T22:49:49.993Z_d79a1d9505724d35a787458d655501b40]
2022-07-14T23:50:58,438 INFO [task-runner-0-priority-0]
org.apache.druid.server.coordination.BatchDataSegmentAnnouncer - Unannouncing
segment[REDACT_2022-05-31T01:00:00.000Z_2022-05-31T02:00:00.000Z_2022-06-06T12:50:29.291Z_329]
at
path[/druid/segments/REDACTED.host.com:8102/REDACTED.host.com:8102_indexer-executor__default_tier_2022-07-14T22:49:49.993Z_d79a1d9505724d35a787458d655501b40]
2022-07-14T23:50:58,438 INFO [task-runner-0-priority-0]
org.apache.druid.server.coordination.BatchDataSegmentAnnouncer - Unannouncing
segment[REDACT_2022-05-31T16:00:00.000Z_2022-05-31T17:00:00.000Z_2022-05-31T22:18:01.994Z_1082]
at
path[/druid/segments/REDACTED.host.com:8102/REDACTED.host.com:8102_indexer-executor__default_tier_2022-07-14T22:49:49.993Z_d79a1d9505724d35a787458d655501b40]
2022-07-14T23:50:58,445 ERROR
[[index_kafka_REDACT_daa7d95ffa54138_omkgiccg]-appenderator-persist]
org.apache.druid.segment.realtime.appenderator.StreamAppenderator - Incremental
persist failed:
{class=org.apache.druid.segment.realtime.appenderator.StreamAppenderator,
segment=REDACT_2022-05-29T09:00:00.000Z_2022-05-29T10:00:00.000Z_2022-05-31T23:59:23.591Z_782,
dataSource=REDACT, count=0}
2022-07-14T23:50:58,446 INFO
[LookupExtractorFactoryContainerProvider-MainThread]
org.apache.druid.query.lookup.LookupReferencesManager - Lookup Management loop
exited. Lookup notices are not handled anymore.
2022-07-14T23:50:58,447 INFO [task-runner-0-priority-0]
org.apache.druid.curator.discovery.CuratorDruidNodeAnnouncer - Unannounced self
[{"druidNode":{"service":"druid/middleManager","host":"REDACTED.host.com","bindOnHost":false,"plaintextPort":8102,"port":-1,"tlsPort":-1,"enablePlaintextPort":true,"enableTlsPort":false},"nodeType":"peon","services":{"dataNodeService":{"type":"dataNodeService","tier":"_default_tier","maxSize":0,"type":"indexer-executor","serverType":"indexer-executor","priority":0},"lookupNodeService":{"type":"lookupNodeService","lookupTier":"__default"}}}].
2022-07-14T23:50:58,449 INFO [Curator-Framework-0]
org.apache.curator.framework.imps.CuratorFrameworkImpl -
backgroundOperationsLoop exiting
2022-07-14T23:50:58,451 INFO [task-runner-0-priority-0]
org.apache.druid.indexing.worker.executor.ExecutorLifecycle - Task completed
with status: {
"id" : "index_kafka_REDACT_daa7d95ffa54138_omkgiccg",
"status" : "SUCCESS",
"duration" : 3823392,
"errorMsg" : null,
"location" : {
"host" : null,
"port" : -1,
"tlsPort" : -1
}
}
2022-07-14T23:50:58,453 INFO [main] org.apache.druid.cli.CliPeon - Thread
[Thread[Thread-70,5,main]] is non daemon.
2022-07-14T23:50:58,453 INFO [main] org.apache.druid.cli.CliPeon - Thread
[Thread[pool-3-thread-1,5,main]] is non daemon.
2022-07-14T23:50:58,453 INFO [main] org.apache.druid.cli.CliPeon - Thread
[Thread[pool-3-thread-2,5,main]] is non daemon.
2022-07-14T23:50:58,453 INFO [main] org.apache.druid.cli.CliPeon - Thread
[Thread[pool-3-thread-3,5,main]] is non daemon.
2022-07-14T23:50:58,453 INFO [main] org.apache.druid.cli.CliPeon - Thread
[Thread[pool-3-thread-4,5,main]] is non daemon.
2022-07-14T23:50:58,453 INFO [main]
org.apache.druid.java.util.common.lifecycle.Lifecycle - Lifecycle [module]
already stopped and stop was called. Silently skipping
Cannot remove shutdown hook, already shutting down!
Finished peon task
```
In this new example, the last chatRetry was at `2022-07-14T23:48:16,222` and
since it didn't pause at the last retry, it sent a shutdown at
`2022-07-14T23:50:58,304`. The peon did eventually pause this time but around
~`2022-07-14T23:50:58,430`. So if it had 1-2 more minutes it would have
returned a successful response to the pause ("/status" check) request.
Knowing this I was able to temporarily provide some relieve and let our
existing tasks complete (for the most part 90%+) but increasing chatRetries to
a very high number (8 => 25) since it's 10 seconds between retries after the
3rd retry, this allows for ~2 more minutes for the Peon to actually pause. This
is just a workaround for now since the issue still exists with the Peons not
pausing in a reasonable time but does provide some temporarily relieve.
Seems like we will definitely need those flame graphs @abhishekagarwal87
mentioned to get a better idea of what the peon is working on during the pause
request coming in
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