Oleg Anastasyev created CASSANDRA-8164:
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Summary: OOM due to slow memory meter
Key: CASSANDRA-8164
URL: https://issues.apache.org/jira/browse/CASSANDRA-8164
Project: Cassandra
Issue Type: Bug
Reporter: Oleg Anastasyev
Attachments: OOMWhileMemoryMetering.txt
Memory meter holds strong reference to memtable while it iterates over memtable
cells. Because meter is not fast, it prevents memtable from being GCed after it
has been flushed for some time.
If write rate is fast enough, this makes node OOM.
Fixed this by aborting metering if table becomes not active in datatracker,
i.e. flushing or flushed.
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