Nicolas Henneaux created CASSANDRA-18125:
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Summary: AssertionError on thread MemtableReclaimMemory in
MemtablePool$SubPool.released(MemtablePool.java:193)
Key: CASSANDRA-18125
URL: https://issues.apache.org/jira/browse/CASSANDRA-18125
Project: Cassandra
Issue Type: Bug
Reporter: Nicolas Henneaux
On two nodes on the cluster I'm running, I got the following exception. It
occurred at 3,5 minutes interval.
{code}
MemtableReclaimMemory:2625 org.apache.cassandra.service.CassandraDaemon
uncaughtException - Exception in thread
Thread[MemtableReclaimMemory:2625,5,main]java.lang.AssertionError: null
at
org.apache.cassandra.utils.memory.MemtablePool$SubPool.released(MemtablePool.java:193)
at
org.apache.cassandra.utils.memory.MemtableAllocator$SubAllocator.releaseAll(MemtableAllocator.java:151)
at
org.apache.cassandra.utils.memory.MemtableAllocator$SubAllocator.setDiscarded(MemtableAllocator.java:142)
at
org.apache.cassandra.utils.memory.MemtableAllocator.setDiscarded(MemtableAllocator.java:93)
at
org.apache.cassandra.utils.memory.SlabAllocator.setDiscarded(SlabAllocator.java:120)
at org.apache.cassandra.db.Memtable.setDiscarded(Memtable.java:201)
at
org.apache.cassandra.db.ColumnFamilyStore$Flush$1.runMayThrow(ColumnFamilyStore.java:1216)
at
org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28)
at
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
at
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
at
io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
at java.base/java.lang.Thread.run(Thread.java:829)
{code}
{code}
$ nodetool info
ID :
Gossip active : true
Native Transport active: true
Load : 204.67 GiB
Generation No : 1670343179
Uptime (seconds) : 1110514
Heap Memory (MB) : 7218.07 / 24576.00
Off Heap Memory (MB) : 784.06
Data Center : par
Rack : e1
Exceptions : 1
Key Cache : entries 802712, size 100 MiB, capacity 100 MiB,
774541004 hits, 914207516 requests, 0.847 recent hit rate, 14400 save period in
seconds
Row Cache : entries 0, size 0 bytes, capacity 0 bytes, 0 hits, 0
requests, NaN recent hit rate, 0 save period in seconds
Counter Cache : entries 0, size 0 bytes, capacity 50 MiB, 0 hits, 0
requests, NaN recent hit rate, 7200 save period in seconds
Percent Repaired : 2.3272298419424144E-5%
Token : (invoke with -T/--tokens to see all 8 tokens)
$ java -version
openjdk version "11.0.16" 2022-07-19 LTS
OpenJDK Runtime Environment (Red_Hat-11.0.16.0.8-1.el7_9) (build 11.0.16+8-LTS)
OpenJDK 64-Bit Server VM (Red_Hat-11.0.16.0.8-1.el7_9) (build 11.0.16+8-LTS,
mixed mode, sharing)
$ nodetool version
ReleaseVersion: 4.0.6
{code}
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