venky created CASSANDRA-14472:
---------------------------------
Summary: Too many LEAK DETECTED errors in the logs.
Key: CASSANDRA-14472
URL: https://issues.apache.org/jira/browse/CASSANDRA-14472
Project: Cassandra
Issue Type: Bug
Reporter: venky
Fix For: 3.11.0
We are seeing too many leak detected errors in the system log (Cassandra 3.11.0
& dse (5.1.2).
```
ERROR [Reference-Reaper:1] 2018-05-28 21:59:42,783 Ref.java:224 - LEAK
DETECTED: a reference
(org.apache.cassandra.utils.concurrent.Ref$State@733e48f6) to class
org.apache.cassandra.io.util.SafeMemory$MemoryTidy@1977222631:Memory@[7dda86406000..7dda86596000)
was not released before the reference was garbage collected
ERROR [Reference-Reaper:1] 2018-05-28 22:02:13,183 Ref.java:224 - LEAK
DETECTED: a reference
(org.apache.cassandra.utils.concurrent.Ref$State@463fffb6) to class
org.apache.cassandra.io.util.FileHandle$Cleanup@304923348:/app/db/data2/odp_raw/rolling_device_usage_hour-4afe7060339611e897fbafb645229968/mc-152546-big-Index.db
was not released before the reference was garbage collected
ERROR [Reference-Reaper:1] 2018-05-28 22:02:13,183 Ref.java:224 - LEAK
DETECTED: a reference
(org.apache.cassandra.utils.concurrent.Ref$State@3071c683) to class
org.apache.cassandra.io.util.SafeMemory$MemoryTidy@847483493:Memory@[7dda8d406000..7dda8d596000)
was not released before the reference was garbage collected
ERROR [Reference-Reaper:1] 2018-05-28 22:02:13,183 Ref.java:224 - LEAK
DETECTED: a reference (org.apache.cassandra.utils.concurrent.Ref$State@bf809cc)
to class
org.apache.cassandra.utils.concurrent.WrappedSharedCloseable$Tidy@2142654469:[Memory@[0..84),
Memory@[0..528)] was not released before the reference was garbage collected
```
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