[SERVER-30295] Connect FCV to WiredTiger compatibility version Created: 25/Jul/17 Updated: 30/Oct/23 Resolved: 09/Aug/17 |
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| Status: | Closed |
| Project: | Core Server |
| Component/s: | Storage |
| Affects Version/s: | None |
| Fix Version/s: | 3.5.12 |
| Type: | Bug | Priority: | Major - P3 |
| Reporter: | Alexander Gorrod | Assignee: | Daniel Gottlieb (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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| Backwards Compatibility: | Fully Compatible | ||||||||
| Operating System: | ALL | ||||||||
| Sprint: | Storage 2017-08-21 | ||||||||
| Participants: | |||||||||
| Linked BF Score: | 0 | ||||||||
| Description |
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A recent version of WiredTiger had changes to the log (journal) file format. Those changes are gated on a compatibility version being used by applications. In order for MongoDB to start using the new log file formats, we need to connect the featureCompatibilityVersion mechanisms in to the WiredTiger compatibility configuration option. There was a change included with the merge of WiredTiger that means MongoDB will currently only ever create V1 format journal files: |
| Comments |
| Comment by Githook User [ 09/Aug/17 ] |
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Author: {'username': 'dgottlieb', 'email': 'daniel.gottlieb@mongodb.com', 'name': 'Daniel Gottlieb'}Message: |
| Comment by Alexander Gorrod [ 08/Aug/17 ] |
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daniel.gottlieb The version of WiredTiger in master has been updated to include the fix for |
| Comment by Daniel Gottlieb (Inactive) [ 08/Aug/17 ] |
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michael.cahill Unfortunately upgrading WT to run in release=3.0 turns on the unaligned access Keith is fixing: That breaks our {A,UB}SAN tests, thus the revert. However, the patch is in the repo's history so hopefully that can hold you over until Keith's fix gets into MongoDB master. |
| Comment by Githook User [ 08/Aug/17 ] |
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Author: {'username': 'dgottlieb', 'email': 'danny.gottlieb@gmail.com', 'name': 'Daniel Gottlieb'}Message: Revert " This reverts commit c5a6b74a50e3fa39b1e24b0d4c2463d530bc9885. |
| Comment by Githook User [ 08/Aug/17 ] |
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Author: {'username': 'dgottlieb', 'email': 'daniel.gottlieb@mongodb.com', 'name': 'Daniel Gottlieb'}Message: |