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Type: Bug
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Resolution: Fixed
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Priority: Major - P3
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Affects Version/s: None
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Component/s: Replication
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Fully Compatible
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ALL
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v4.4
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Repl 2020-04-20, Repl 2020-05-04
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32
Currently, all replica set passthroughs run on large distros on the ! Enterprise RHEL variant. Large distros typically correspond to 30GB of memory, while small distros correspond to 7.5GB.
The replica_set_reconfig_jscore_passthrough has been prone to OOM failures lately, killing mongod and python (evergreen) processes. This is a passthrough that runs against a 5 node replica set, which can sometimes take up most of the 7.5GB of memory, leaving little room for much else.
If the current replica sets passthrough (which usually have 2-3 nodes) run against a large distro, the reconfig passthroughs certainly should.