Details
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Bug
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Status: Closed
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Critical - P2
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Resolution: Fixed
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3.0.0
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Fully Compatible
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ALL
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Description
after re-sync is done, the _id index count, secondary index count and data table count could be different.
"index" : 2000000,
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"secondary_index" : 2047102,
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"table" : 2047102
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and log file show (with Dan's patch for more printout)
2015-03-06T01:05:28.851+0000 I REPL [rsSync] ******
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2015-03-06T01:05:28.851+0000 I REPL [rsSync] creating replication oplog of size: 4094MB...
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2015-03-06T01:05:28.853+0000 I STORAGE [rsSync] Starting WiredTigerRecordStoreThread local.oplog.rs
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2015-03-06T01:05:28.870+0000 I REPL [rsSync] ******
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2015-03-06T01:05:28.870+0000 I REPL [rsSync] initial sync pending
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2015-03-06T01:05:28.870+0000 I REPL [ReplicationExecutor] syncing from: 10.1.1.107:27017
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2015-03-06T01:05:28.874+0000 I REPL [rsSync] initial sync drop all databases
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2015-03-06T01:05:28.874+0000 I STORAGE [rsSync] dropAllDatabasesExceptLocal 1
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2015-03-06T01:05:28.874+0000 I REPL [rsSync] initial sync clone all databases
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2015-03-06T01:05:28.875+0000 I REPL [rsSync] initial sync cloning db: sbtest
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2015-03-06T01:05:42.605+0000 I INDEX [rsSync] build index on: sbtest.sbtest1 properties: { v: 1, key: { _id: 1 }, name: "_id_", ns: "sbtest.sbtest1" }
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2015-03-06T01:05:42.605+0000 I INDEX [rsSync] building index using bulk method
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2015-03-06T01:05:47.969+0000 I INDEX [rsSync] build index done. scanned 2047128 total records. 5 secs
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2015-03-06T01:05:47.969+0000 I STORAGE [rsSync] Deleting: RecordId(1955618)
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2015-03-06T01:05:47.969+0000 I STORAGE [rsSync] Deleting: RecordId(1955661)
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2015-03-06T01:05:47.970+0000 I STORAGE [rsSync] Deleting: RecordId(1955710)
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2015-03-06T01:05:47.970+0000 I STORAGE [rsSync] Deleting: RecordId(1955778)
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2015-03-06T01:05:47.970+0000 I STORAGE [rsSync] Deleting: RecordId(1955802)
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2015-03-06T01:05:47.970+0000 I STORAGE [rsSync] Deleting: RecordId(1955996)
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2015-03-06T01:05:47.970+0000 I STORAGE [rsSync] Deleting: RecordId(1956089)
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2015-03-06T01:05:47.970+0000 I STORAGE [rsSync] Deleting: RecordId(1956102)
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2015-03-06T01:05:47.970+0000 I STORAGE [rsSync] Deleting: RecordId(1956127)
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2015-03-06T01:05:47.970+0000 I STORAGE [rsSync] Deleting: RecordId(1956187)
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2015-03-06T01:05:47.970+0000 I STORAGE [rsSync] Deleting: RecordId(1956305)
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....
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2015-03-06T01:05:49.275+0000 I STORAGE [rsSync] Deleting: RecordId(2047128)
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2015-03-06T01:05:49.275+0000 I STORAGE [rsSync] index build dropped: 47128 dups
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2015-03-06T01:05:49.449+0000 I REPL [rsSync] initial sync data copy, starting syncup
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2015-03-06T01:05:49.449+0000 I REPL [rsSync] oplog sync 1 of 3
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- not sure why there is dup for _id
- dropped dups are not removed from data table and secondary index tree
- saw one case when mixed traffic stopped, re-sync still have issue with dups and out of sync, but cannot reproduce it now.