[SERVER-54380] Error processing TTL index for "config.system.sessions Created: 08/Feb/21 Updated: 24/Mar/21 Resolved: 24/Mar/21 |
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| Status: | Closed |
| Project: | Core Server |
| Component/s: | None |
| Affects Version/s: | 4.4.2 |
| Fix Version/s: | None |
| Type: | Question | Priority: | Major - P3 |
| Reporter: | Konstantin Krasnov | Assignee: | Edwin Zhou |
| Resolution: | Incomplete | Votes: | 0 |
| Labels: | None | ||
| Remaining Estimate: | Not Specified | ||
| Time Spent: | Not Specified | ||
| Original Estimate: | Not Specified | ||
| Environment: |
CentOS Linux release 7.8.2003 |
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| Participants: |
| Description |
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Hi, We regularly see message in the log:
config.system.sessions is a system collection. What can be done to fix the problem? |
| Comments |
| Comment by Edwin Zhou [ 24/Mar/21 ] |
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HI akostadinov, We'd like to see if this issue persists when using 4.4.4 and running --repair. Since you're currently unable to do that, I will go ahead and close this ticket. Once you're able to perform the upgrade and you continue to observe this behavior, you may reopen this ticket and we will be happy to continue the investigation. Best, |
| Comment by Konstantin Krasnov [ 18/Mar/21 ] |
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Hi Edwin, We can't stop the MongoDB. |
| Comment by Edwin Zhou [ 17/Mar/21 ] |
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We're you able to resolve your issue by copying your $dbpath and trying mongod --repair using the latest version of MongoDB? Best, |
| Comment by Edwin Zhou [ 25/Feb/21 ] |
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Hi kkrasnov@gmail.com, and thank you for your patience while we investigate this issue. This error suggests a mismatch between collection and index data. This appears to be an in-memory problem with the same root cause as We recommend upgrading to MongoDB 4.4.4. If the problem continues, there may be a persisted index inconsistency. First, make a complete copy of the database's $dbpath directory to safeguard so that you can work off of the current $dbpath. Then, try mongod --repair using the latest version of MongoDB. Best, |