[SERVER-16056] Periodic throughput pauses during write load on WT Created: 10/Nov/14 Updated: 11/Jul/16 Resolved: 21/Nov/14 |
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| Status: | Closed |
| Project: | Core Server |
| Component/s: | Performance |
| Affects Version/s: | 2.8.0-rc0 |
| Fix Version/s: | 2.8.0-rc1 |
| Type: | Bug | Priority: | Critical - P2 |
| Reporter: | Rui Zhang (Inactive) | Assignee: | Daniel Pasette (Inactive) |
| Resolution: | Done | Votes: | 0 |
| Labels: | 28qa | ||
| Remaining Estimate: | Not Specified | ||
| Time Spent: | Not Specified | ||
| Original Estimate: | Not Specified | ||
| Attachments: |
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| Operating System: | ALL | ||||
| Participants: | |||||
| Description |
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test with this SHA
there is performance regression comparing to 11-07 and earlier build. |
| Comments |
| Comment by Rui Zhang (Inactive) [ 20/Nov/14 ] | ||||||||||||||||||||||||
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tested MCI build with 217151b66aefddca0a62e92aa095bb4f27dba574 the chart comparing mmapv1 vs wt for the same 11-20 build. mix traffic with 8 threads
mix traffic with 16 threads
mix traffic with 64 threads
explain of stats
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| Comment by Rui Zhang (Inactive) [ 19/Nov/14 ] | ||||||||||||||||||||||||
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running today's build, will update when it is done. | ||||||||||||||||||||||||
| Comment by Rui Zhang (Inactive) [ 14/Nov/14 ] | ||||||||||||||||||||||||
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test after applying the above patch to today's latest master.
git log:
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| Comment by Daniel Pasette (Inactive) [ 13/Nov/14 ] | ||||||||||||||||||||||||
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This PR in wiredtiger should mostly solve this issue: |