[DOCS-13591] Investigate changes in SERVER-46396: Add metrics to track number of operations blocked behind a catalog cache refresh Created: 14/Apr/20 Updated: 13/Nov/23 Due: 17/Apr/20 Resolved: 15/May/20 |
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| Status: | Closed |
| Project: | Documentation |
| Component/s: | manual, Server |
| Affects Version/s: | None |
| Fix Version/s: | 4.4.0-rc2, 4.2.7, 4.7.0, Server_Docs_20231030, Server_Docs_20231106, Server_Docs_20231105, Server_Docs_20231113 |
| Type: | Task | Priority: | Major - P3 |
| Reporter: | Backlog - Core Eng Program Management Team | Assignee: | Andrew Feierabend (Inactive) |
| Resolution: | Fixed | Votes: | 0 |
| Labels: | None | ||
| Remaining Estimate: | Not Specified | ||
| Time Spent: | Not Specified | ||
| Original Estimate: | Not Specified | ||
| Issue Links: |
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| Participants: | |||||||||
| Days since reply: | 3 years, 37 weeks, 1 day ago | ||||||||
| Epic Link: | DOCS: 4.4 Server Release Work | ||||||||
| Description |
DescriptionDownstream Change Summary Added new metric under shardingStatistics.catalogCache that will only be incremented on mongos: https://docs.mongodb.com/manual/reference/command/serverStatus/#shardingstatistics It will be the field OperationsBlockedByRefresh, which will be a container with six counts: OperationsBlockedByRefresh.countAllOperations This metric will track any operations that flow through the mongos/router and had to block on a catalog cache refresh during the operation. This metric will be backported back to 4.2. Top-level view:
Description of Linked TicketText from scope document: "Count and percentage of number of queries that are no longer blocked, but would have been blocked on a refresh" Scope of changesImpact to Other DocsMVP (Work and Date)Resources (Scope or Design Docs, Invision, etc.) |
| Comments |
| Comment by Githook User [ 26/May/20 ] |
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Author: {'name': 'Andrew Feierabend', 'email': 'andrew.feierabend@mongodb.com', 'username': 'andf-mongodb'}Message: |
| Comment by Githook User [ 15/May/20 ] |
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Author: {'name': 'Andrew Feierabend', 'email': 'andrew.feierabend@mongodb.com', 'username': 'andf-mongodb'}Message: |
| Comment by Githook User [ 15/May/20 ] |
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Author: {'name': 'Andrew Feierabend', 'email': 'andrew.feierabend@mongodb.com', 'username': 'andf-mongodb'}Message: |
| Comment by Blake Oler [ 27/Apr/20 ] |
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Unblocked, as the above ticket is complete. |
| Comment by Blake Oler [ 23/Apr/20 ] |
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I'd like to hold off on pushing through this change until I complete |