Details
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Bug
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Resolution: Duplicate
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Critical - P2
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None
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3.0.0-rc6
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None
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ALL
Description
during long concurrent write, secondary cannot keep up once oplog hit cap. and eventually secondary fall into recovery mode, and stop replication
some log, before hit the oplog cap
+++++++
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ts: Sun Jan 25 2015 17:54:01 GMT+0000 (UTC)
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source: 172.31.35.229:27017
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syncedTo: Sun Jan 25 2015 17:54:01 GMT+0000 (UTC)
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0 secs (0 hrs) behind the primary <=== second is keeping up
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configured oplog size: 6515.767382621765MB
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log length start to end: 358secs (0.1hrs) <==== oplog
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oplog first event time: Sun Jan 25 2015 17:48:03 GMT+0000 (UTC)
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oplog last event time: Sun Jan 25 2015 17:54:01 GMT+0000 (UTC)
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now: Sun Jan 25 2015 17:54:01 GMT+0000 (UTC)
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...
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+++++++
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ts: Sun Jan 25 2015 18:06:14 GMT+0000 (UTC)
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source: 172.31.35.229:27017
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syncedTo: Sun Jan 25 2015 18:06:13 GMT+0000 (UTC)
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1 secs (0 hrs) behind the primary <=== secondary behind still minimal
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configured oplog size: 6515.767382621765MB
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log length start to end: 1091secs (0.3hrs)
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oplog first event time: Sun Jan 25 2015 17:48:03 GMT+0000 (UTC)
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oplog last event time: Sun Jan 25 2015 18:06:14 GMT+0000 (UTC)
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now: Sun Jan 25 2015 18:06:14 GMT+0000 (UTC)
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once oplog hit cap, secondary canon keep up, and then eventually enter recovery mode
+++++++
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ts: Sun Jan 25 2015 18:06:54 GMT+0000 (UTC)
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source: 172.31.35.229:27017
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syncedTo: Sun Jan 25 2015 18:06:52 GMT+0000 (UTC)
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2 secs (0 hrs) behind the primary
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configured oplog size: 6515.767382621765MB
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log length start to end: 1073secs (0.3hrs)
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oplog first event time: Sun Jan 25 2015 17:49:01 GMT+0000 (UTC)
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oplog last event time: Sun Jan 25 2015 18:06:54 GMT+0000 (UTC)
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now: Sun Jan 25 2015 18:06:54 GMT+0000 (UTC)
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+++++++
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ts: Sun Jan 25 2015 18:07:04 GMT+0000 (UTC)
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source: 172.31.35.229:27017
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syncedTo: Sun Jan 25 2015 18:06:54 GMT+0000 (UTC)
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10 secs (0 hrs) behind the primary <=== secondary start fall behind
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configured oplog size: 6515.767382621765MB
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log length start to end: 1081secs (0.3hrs)
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oplog first event time: Sun Jan 25 2015 17:49:16 GMT+0000 (UTC) <<== oplog hit cap, start roll over
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oplog last event time: Sun Jan 25 2015 18:07:17 GMT+0000 (UTC)
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now: Sun Jan 25 2015 18:07:17 GMT+0000 (UTC)
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+++++++
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ts: Sun Jan 25 2015 18:07:27 GMT+0000 (UTC)
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source: 172.31.35.229:27017
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syncedTo: Sun Jan 25 2015 18:06:58 GMT+0000 (UTC)
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29 secs (0.01 hrs) behind the primary
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configured oplog size: 6515.767382621765MB
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log length start to end: 1082secs (0.3hrs)
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oplog first event time: Sun Jan 25 2015 17:49:25 GMT+0000 (UTC)
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oplog last event time: Sun Jan 25 2015 18:07:27 GMT+0000 (UTC)
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now: Sun Jan 25 2015 18:07:27 GMT+0000 (UTC)
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...
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+++++++
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ts: Sun Jan 25 2015 18:17:29 GMT+0000 (UTC)
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source: 172.31.35.229:27017
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syncedTo: Sun Jan 25 2015 18:08:22 GMT+0000 (UTC)
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547 secs (0.15 hrs) behind the primary <<=== secondary behind grows fast
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configured oplog size: 6515.767382621765MB
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log length start to end: 1131secs (0.31hrs)
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oplog first event time: Sun Jan 25 2015 17:58:53 GMT+0000 (UTC)
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oplog last event time: Sun Jan 25 2015 18:17:44 GMT+0000 (UTC)
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now: Sun Jan 25 2015 18:17:44 GMT+0000 (UTC)
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+++++++
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ts: Sun Jan 25 2015 18:17:54 GMT+0000 (UTC)
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source: 172.31.35.229:27017
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syncedTo: Sun Jan 25 2015 18:08:24 GMT+0000 (UTC)
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570 secs (0.16 hrs) behind the primary
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configured oplog size: 6515.767382621765MB
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log length start to end: 1133secs (0.31hrs)
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oplog first event time: Sun Jan 25 2015 17:59:01 GMT+0000 (UTC)
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oplog last event time: Sun Jan 25 2015 18:17:54 GMT+0000 (UTC)
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now: Sun Jan 25 2015 18:17:54 GMT+0000 (UTC)
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Attachments
Issue Links
- duplicates
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- Closed
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