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https://issues.apache.org/jira/browse/CASSANDRA-20610?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17955773#comment-17955773
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Jaydeepkumar Chovatia commented on CASSANDRA-20610:
---------------------------------------------------
I also notice that all the Mutation threads are stuck, which matches with
whatever is seen in CASSANDRA-19564
{code:java}
"MutationStage-40" #388 daemon prio=5 os_prio=0 cpu=269549839.95ms
elapsed=9406506.61s tid=0x000055d7fa65b0f0 nid=0xe2e waiting on condition
[0x00007e9a74eca000]\
java.lang.Thread.State: WAITING (parking)\
at jdk.internal.misc.Unsafe.park(java.base@11.0.19/Native Method)\
at
java.util.concurrent.locks.LockSupport.park(java.base@11.0.19/LockSupport.java:323)\
at
org.apache.cassandra.utils.concurrent.WaitQueue$Standard$AbstractSignal.await(WaitQueue.java:289)\
at
org.apache.cassandra.utils.concurrent.WaitQueue$Standard$AbstractSignal.await(WaitQueue.java:282)\
at
org.apache.cassandra.utils.concurrent.Awaitable$Defaults.awaitThrowUncheckedOnInterrupt(Awaitable.java:131)\
at
org.apache.cassandra.utils.concurrent.Awaitable$AbstractAwaitable.awaitThrowUncheckedOnInterrupt(Awaitable.java:235)\
at
org.apache.cassandra.utils.memory.MemtableAllocator$SubAllocator.allocate(MemtableAllocator.java:195)\
at
org.apache.cassandra.utils.memory.SlabAllocator.allocate(SlabAllocator.java:89)\
at
org.apache.cassandra.utils.memory.MemtableBufferAllocator$1.allocate(MemtableBufferAllocator.java:40)\
at
org.apache.cassandra.utils.memory.ByteBufferCloner.clone(ByteBufferCloner.java:77)\
at
org.apache.cassandra.utils.memory.ByteBufferCloner.clone(ByteBufferCloner.java:63)\
at
org.apache.cassandra.db.rows.AbstractCell.clone(AbstractCell.java:111)\
at org.apache.cassandra.db.rows.ArrayCell.clone(ArrayCell.java:111)\
at
org.apache.cassandra.utils.memory.ByteBufferCloner.clone(ByteBufferCloner.java:58)\
at
org.apache.cassandra.db.partitions.AtomicBTreePartition$RowUpdater.merge(AtomicBTreePartition.java:419)\
at
org.apache.cassandra.db.rows.ColumnData$Reconciler.merge(ColumnData.java:119)\
at
org.apache.cassandra.db.rows.ColumnData$Reconciler.merge(ColumnData.java:99)\
at org.apache.cassandra.utils.btree.BTree.updateLeaves(BTree.java:426)\
at org.apache.cassandra.utils.btree.BTree.update(BTree.java:368)\
at org.apache.cassandra.db.rows.BTreeRow.merge(BTreeRow.java:613)\
{code}
> nodetool unreachable shows all other instances down
> ---------------------------------------------------
>
> Key: CASSANDRA-20610
> URL: https://issues.apache.org/jira/browse/CASSANDRA-20610
> Project: Apache Cassandra
> Issue Type: Bug
> Reporter: Chris Miller
> Priority: Normal
> Attachments: cassandra_thread_dump_20250530.txt
>
>
> see first comment
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