[SERVER-36041] Increase the size of changelog and actionlog Created: 10/Jul/18 Updated: 29/Oct/23 Resolved: 12/Jul/18 |
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| Status: | Closed |
| Project: | Core Server |
| Component/s: | Diagnostics, Sharding |
| Affects Version/s: | None |
| Fix Version/s: | 3.6.7, 4.0.1, 4.1.1 |
| Type: | Improvement | Priority: | Minor - P4 |
| Reporter: | Josef Ahmad | Assignee: | Sarah Zhou |
| Resolution: | Fixed | Votes: | 0 |
| Labels: | None | ||
| Remaining Estimate: | Not Specified | ||
| Time Spent: | Not Specified | ||
| Original Estimate: | Not Specified | ||
| Issue Links: |
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| Backwards Compatibility: | Fully Compatible | ||||||||
| Backport Requested: |
v4.0, v3.6
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| Sprint: | Sharding 2018-07-16 | ||||||||
| Participants: | |||||||||
| Linked BF Score: | 0 | ||||||||
| Description |
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The (uncompressed) changelog and actionlog size is currently 10MB and 2MB respectively. On busy clusters (many concurrent chunk migrations and splits), I have seen the changelog window shrink to ~2 hours. For diagnostic purposes it would be useful to increase the changelog and actionlog size to hold a longer time window. Suggested sizes:
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| Comments |
| Comment by Ramon Fernandez Marina [ 12/Jul/18 ] |
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I was not aware we did not document the current sizes, but I also found |
| Comment by Githook User [ 12/Jul/18 ] |
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Author: {'name': 'Sarah Zhou', 'email': 'sarah.zhou@10gen.com'}Message: (cherry picked from commit 7bff26918103cb58d3e01f52a61e1286f2f1c4a4) |
| Comment by Githook User [ 12/Jul/18 ] |
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Author: {'name': 'Sarah Zhou', 'email': 'sarah.zhou@10gen.com'}Message: (cherry picked from commit a7f2cf99a1ab6548eff63d3eddafab1134fe6b84) |
| Comment by Githook User [ 11/Jul/18 ] |
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Author: {'name': 'Sarah Zhou', 'email': 'sarah.zhou@10gen.com'}Message: (cherry picked from commit a7f2cf99a1ab6548eff63d3eddafab1134fe6b84) |
| Comment by Githook User [ 11/Jul/18 ] |
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Author: {'name': 'Sarah Zhou', 'email': 'sarah.zhou@10gen.com'}Message: (cherry picked from commit 7bff26918103cb58d3e01f52a61e1286f2f1c4a4) |
| Comment by Githook User [ 10/Jul/18 ] |
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Author: {'name': 'Sarah Zhou', 'email': 'sarah.zhou@10gen.com'}Message: |
| Comment by Githook User [ 10/Jul/18 ] |
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Author: {'name': 'Sarah Zhou', 'email': 'sarah.zhou@10gen.com'}Message: |
| Comment by Kaloian Manassiev [ 10/Jul/18 ] |
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I see no issue with increasing the side of the change and action logs and the proposed sizes seem reasonable to me. It is a matter of just changing these constants. |