Details
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Question
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Resolution: Done
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Major - P3
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None
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3.2.4
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None
Description
We are using Mongo DB 3.2.4 replica set with Wired Tiger Storage engine. The replicaset consists of 1 primary 1 secondary and 1 arbiter. Primary and Secondary memory size is 62 gb. The data size is 8 GB.
Issue Description : Mongo memory usage initially was 45% and gradually increased over the period to 50 and now to 58% in both primary and secondary server. Given below the mongo stat, mongo top. Attached the diagnostic data files with this ticket.
Top:
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PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
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4591 root 20 0 39.1g 35g 10m S 776.1 59.5 147307:07 mongod
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mongo stat:
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dirty % used flushes vsize res qr|qw ar|aw netIn netOut conn set repl
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1.2 80.0 0 36.8G 35.3G 0|0 0|0 1k 29k 178 rs0 SEC 2017-04-25T06:17:19-05:00
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1.2 80.0 0 36.8G 35.3G 0|0 0|0 892b 28k 178 rs0 SEC 2017-04-25T06:17:20-05:00
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0.3 80.0 1 36.8G 35.3G 0|0 0|0 2k 34k 178 rs0 SEC 2017-04-25T06:17:21-05:00
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