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Type:
Bug
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Resolution: Cannot Reproduce
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Priority:
Major - P3
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None
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Affects Version/s: 3.2.10
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Component/s: WiredTiger
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None
mongostat data shown as belows
insert query update delete getmore command % dirty % used flushes vsize res qr|qw ar|aw netIn netOut conn set repl time
*0 *0 *0 *0 0 12|0 20.1 79.6 0 24.9G 16.3G 1105|34 128|128 984b 27k 0 mgset-2080137 PRI 2017-05-15T15:21:29+08:00
*0 *0 *0 *0 0 3|0 20.1 79.6 0 24.9G 16.3G 1105|34 128|128 191b 22k 0 mgset-2080137 PRI 2017-05-15T15:21:30+08:00
*0 *0 *0 *0 0 5|0 20.1 79.6 0 24.9G 16.3G 1105|34 128|128 530b 24k 0 mgset-2080137 PRI 2017-05-15T15:21:31+08:00
*0 *0 *0 *0 0 3|0 20.1 79.6 0 24.9G 16.3G 1105|34 128|128 192b 22k 0 mgset-2080137 PRI 2017-05-15T15:21:32+08:00
*0 *0 *0 *0 0 5|0 20.1 79.6 0 24.9G 16.3G 1105|34 128|128 532b 23k 0 mgset-2080137 PRI 2017-05-15T15:21:33+08:00
*0 *0 *0 *0 0 8|0 20.1 79.6 0 24.9G 16.3G 1105|34 128|128 706b 24k 0 mgset-2080137 PRI 2017-05-15T15:21:34+08:00
*0 *0 *0 *0 0 6|0 20.1 79.6 0 24.9G 16.3G 1105|34 128|128 648b 25k 0 mgset-2080137 PRI 2017-05-15T15:21:35+08:00
*0 *0 *0 *0 0 25|0 20.1 79.6 0 24.9G 16.3G 1105|34 128|128 2k 33k 0 mgset-2080137 PRI 2017-05-15T15:21:36+08:00
*0 *0 *0 *0 0 4|0 20.1 79.6 0 24.9G 16.3G 1105|34 128|128 527b 23k 0 mgset-2080137 PRI 2017-05-15T15:21:37+08:00
*0 *0 *0 *0 0 2|0 20.1 79.6 0 24.9G 16.3G 1105|34 128|128 133b 22k 0 mgset-2080137 PRI 2017-05-15T15:21:38+08:00
insert query update delete getmore command % dirty % used flushes vsize res qr|qw ar|aw netIn netOut conn set repl time
*0 *0 *0 *0 0 8|0 20.1 79.6 0 24.9G 16.3G 1105|34 128|128 698b 25k 0 mgset-2080137 PRI 2017-05-15T15:21:39+08:00
*0 *0 *0 *0 0 4|0 20.1 79.6 0 24.9G 16.3G 1105|34 128|128 354b 23k 0 mgset-2080137 PRI 2017-05-15T15:21:40+08:00
*0 *0 *0 *0 0 11|0 20.1 79.6 0 24.9G 16.3G 1105|34 128|128 1k 27k 0 mgset-2080137 PRI 2017-05-15T15:21:41+08:00
*0 *0 *0 *0 0 2|0 20.1 79.6 0 24.9G 16.3G 1105|34 128|128 134b 22k 0 mgset-2080137 PRI 2017-05-15T15:21:42+08:00
*0 *0 *0 *0 0 5|0 20.1 79.6 0 24.9G 16.3G 1105|34 128|128 532b 23k 0 mgset-2080137 PRI 2017-05-15T15:21:43+08:00
*0 *0 *0 *0 0 3|0 20.1 79.6 0 24.9G 16.3G 1105|34 128|128 189b 22k 0 mgset-2080137 PRI 2017-05-15T15:21:44+08:00
*0 *0 *0 *0 0 4|0 20.1 79.6 0 24.9G 16.3G 1105|34 128|128 474b 23k 0 mgset-2080137 PRI 2017-05-15T15:21:45+08:00
- Through the pstack result，I find that __wt_evict_thread_run never work even though dirty cache ratio reached 20%.
- After I changed eviction_dirty_trigger to 30, the server recovered to normal state immediately.
db.runCommand({setParameter: 1, wiredTigerEngineRuntimeConfig: "eviction_dirty_trigger=30"})db.runCommand({setParameter: 1, wiredTigerEngineRuntimeConfig: "eviction_dirty_trigger=30"})