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Type: Question
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Resolution: Duplicate
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Priority: Major - P3
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None
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Affects Version/s: 4.2.2
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Component/s: Index Maintenance, Sharding, TTL
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None
After upgrade to MongoDB version 4.2.2,
We got may message from config server as following:
2020-01-02T02:02:11.259Z I SHARDING [conn4808] distributed lock 'config' acquired for 'createCollection', ts : 5e0d4f2300cb687a26c36207 2020-01-02T02:02:11.262Z I SHARDING [conn4808] distributed lock 'config.system.sessions' acquired for 'createCollection', ts : 5e0d4f2300cb687a26c3620b 2020-01-02T02:02:11.265Z I SHARDING [conn4808] distributed lock with ts: 5e0d4f2300cb687a26c3620b' unlocked. 2020-01-02T02:02:11.268Z I SHARDING [conn4808] distributed lock with ts: 5e0d4f2300cb687a26c36207' unlocked. 2020-01-02T02:02:38.918Z I SHARDING [conn4808] distributed lock 'config' acquired for 'createCollection', ts : 5e0d4f3e00cb687a26c36304 2020-01-02T02:02:38.921Z I SHARDING [conn4808] distributed lock 'config.system.sessions' acquired for 'createCollection', ts : 5e0d4f3e00cb687a26c36308 2020-01-02T02:02:38.924Z I SHARDING [conn4808] distributed lock with ts: 5e0d4f3e00cb687a26c36308' unlocked. 2020-01-02T02:02:38.927Z I SHARDING [conn4808] distributed lock with ts: 5e0d4f3e00cb687a26c36304' unlocked. 2020-01-02T02:02:38.927Z I CONTROL [LogicalSessionCacheRefresh] Failed to generate TTL index for config.system.sessions on all shards, will try again on the next refresh interval 2020-01-02T02:02:38.927Z I CONTROL [LogicalSessionCacheRefresh] Sessions collection is not set up; waiting until next sessions refresh interval: request doesn't allow collection to be created implicitly 2020-01-02T02:04:42.584Z I SHARDING [conn4808] distributed lock 'config' acquired for 'createCollection', ts : 5e0d4fba00cb687a26c366f0 2020-01-02T02:04:42.587Z I SHARDING [conn4808] distributed lock 'config.system.sessions' acquired for 'createCollection', ts : 5e0d4fba00cb687a26c366f4 2020-01-02T02:04:42.590Z I SHARDING [conn4808] distributed lock with ts: 5e0d4fba00cb687a26c366f4' unlocked. 2020-01-02T02:04:42.593Z I SHARDING [conn4808] distributed lock with ts: 5e0d4fba00cb687a26c366f0' unlocked. 2020-01-02T02:07:11.259Z I SHARDING [conn4808] distributed lock 'config' acquired for 'createCollection', ts : 5e0d504f00cb687a26c36bbf 2020-01-02T02:07:11.262Z I SHARDING [conn4808] distributed lock 'config.system.sessions' acquired for 'createCollection', ts : 5e0d504f00cb687a26c36bc3
Please, could you explain the signification and how fix it?
Best regards,
- duplicates
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SERVER-44720 Send createIndexes, dropIndexes, and collMod with shard versions
- Closed