[SERVER-20201] Performance drop over time when running with enableReplSnapshotThread=true under insert only workload Created: 30/Aug/15 Updated: 06/Dec/22 Resolved: 06/Sep/16 |
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| Status: | Closed |
| Project: | Core Server |
| Component/s: | WiredTiger |
| Affects Version/s: | None |
| Fix Version/s: | None |
| Type: | Bug | Priority: | Major - P3 |
| Reporter: | Eitan Klein | Assignee: | Backlog - Storage Execution Team |
| Resolution: | Duplicate | Votes: | 0 |
| Labels: | 32qa | ||
| Remaining Estimate: | Not Specified | ||
| Time Spent: | Not Specified | ||
| Original Estimate: | Not Specified | ||
| Attachments: |
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| Assigned Teams: |
Storage Execution
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| Backwards Compatibility: | Fully Compatible | ||||||||||||
| Steps To Reproduce: | Replica set %MongoD%\mongod --wiredTigerCacheSizeGB 3 --replSet EitanRs3b --dbpath f:\data\db1 --logpath h:\data\rs3primary.txt --storageEngine wiredTiger --port 5002 --setParameter enableReplSnapshotThread=true |
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| Description |
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Environment: 2 member replica set (Windows) Storage size: 13 GB
Problem:
The profiler indicates high CPU as results of __wt_tree_walk function that accountable for 80.83% of the CPU time - See profiler.png |