[SERVER-48213] database creation get slower for each databases created Created: 14/May/20 Updated: 01/Jun/20 Resolved: 01/Jun/20 |
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| Status: | Closed |
| Project: | Core Server |
| Component/s: | Index Maintenance |
| Affects Version/s: | 4.2.6 |
| Fix Version/s: | None |
| Type: | Bug | Priority: | Major - P3 |
| Reporter: | emilien puget | Assignee: | Dmitry Agranat |
| Resolution: | Duplicate | Votes: | 0 |
| Labels: | None | ||
| Remaining Estimate: | Not Specified | ||
| Time Spent: | Not Specified | ||
| Original Estimate: | Not Specified | ||
| Attachments: |
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| Issue Links: |
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| Backwards Compatibility: | Fully Compatible | ||||||||||||||||
| Operating System: | ALL | ||||||||||||||||
| Steps To Reproduce: | I ran this script against a mongo 4.2 https://gist.github.com/emilien-puget/6f9d2f840d4dbe0e613da8c634bf2cc2
and got this result databases creation benchmarks - 4.2 databases creation no load.csv |
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| Description |
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Creating databases with indexes takes more time the more databases have been created
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| Comments |
| Comment by emilien puget [ 01/Jun/20 ] |
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Ok, let's do that |
| Comment by Dmitry Agranat [ 31/May/20 ] |
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Thanks emilien@sendinblue.com, we can still see the presence of
I suggest closing this as a duplicate of Thanks, |
| Comment by emilien puget [ 27/May/20 ] |
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Sorry, that was another one that crashed because of bad configuration, i uploaded the correct one |
| Comment by Dmitry Agranat [ 27/May/20 ] |
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Thanks emilien@sendinblue.com, I see that after creating about 900 tables, the test abruptly ends at 2020-05-25T08:36:46.898Z UTC after which no data is available. Was this intentional? |
| Comment by emilien puget [ 26/May/20 ] |
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it's uploaded |
| Comment by Dmitry Agranat [ 25/May/20 ] |
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Yes please upload the diagnostic.data when running on 4.4.-rc6 emilien@sendinblue.com |
| Comment by emilien puget [ 25/May/20 ] |
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@dmitry.agranat I tried with 4.4-rc6 and haven't got better result, do you want the diagnostic files ? |
| Comment by Dmitry Agranat [ 21/May/20 ] |
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Thanks emilien@sendinblue.com, the provided data shows exactly what you are reporting here. This problem can be broke down into two sub-issues:
Though Thanks, |
| Comment by emilien puget [ 19/May/20 ] |
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Hello @dmitry.agranat , i uploaded the file as requested |
| Comment by Dmitry Agranat [ 17/May/20 ] |
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Would you please archive (tar or zip) the mongod.log files and the $dbpath/diagnostic.data directory (the contents are described here) covering the time of this test and upload them to this support uploader location? Files uploaded to this portal are visible only to MongoDB employees and are routinely deleted after some time. Thanks, |