[SERVER-15049] Database is read-overloaded after upgrading to 2.6.4 Created: 27/Aug/14 Updated: 15/Nov/21 Resolved: 27/Aug/14 |
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| Status: | Closed |
| Project: | Core Server |
| Component/s: | Performance, Querying |
| Affects Version/s: | 2.6.4 |
| Fix Version/s: | None |
| Type: | Bug | Priority: | Major - P3 |
| Reporter: | Alexander Ivanes | Assignee: | Ramon Fernandez Marina |
| Resolution: | Duplicate | Votes: | 0 |
| Labels: | None | ||
| Remaining Estimate: | Not Specified | ||
| Time Spent: | Not Specified | ||
| Original Estimate: | Not Specified | ||
| Environment: |
Ubuntu 12.04 kernel 3.13.0-32.57~precise1-generic 3.13.11.4 |
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| Operating System: | Linux | ||||||||
| Participants: | |||||||||
| Description |
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Hello, everyone! Additional information:
currentOp:
dbtop:
explain:
getIndexes:
stats:
I've attached some charts from replica set: DB wait times, cpu utilization and load, and disk utilization. If you want some additional info and charts – just ask. |
| Comments |
| Comment by Alexander Ivanes [ 27/Aug/14 ] | ||
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Thanks, Ramón. | ||
| Comment by Ramon Fernandez Marina [ 27/Aug/14 ] | ||
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vergil, we're going to close this ticket as a duplicate of Regards, | ||
| Comment by Alexander Ivanes [ 27/Aug/14 ] | ||
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I've upgraded all nodes to 2.6.4. Before i turned off IndexIntersection there was a spike again, after – nothing changed, same as always. Then i turned off it on all remaining nodes and did StepDown on the primary. | ||
| Comment by Ramon Fernandez Marina [ 27/Aug/14 ] | ||
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Thanks for uploading the logs vergil. A colleague points out that this is a likely manifestation of
Is it possible for you to upgrade to 2.6.4 and disable index intersection to see if the problem disappears? Thanks, | ||
| Comment by Alexander Ivanes [ 27/Aug/14 ] | ||
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By the way, all nodes running as a guest systems on the Hyper-V Server, but i don't think that this is the problem. | ||
| Comment by Alexander Ivanes [ 27/Aug/14 ] | ||
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I'm sorry for a delay. I've just attached log files from replica set. | ||
| Comment by Ramon Fernandez Marina [ 27/Aug/14 ] | ||
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vergil, can you please post logs for your three nodes since you upgraded to 2.6.4? Also, are all your three nodes running the same hardware configuration? |