Marcus Eriksson created CASSANDRA-16084:
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Summary: Avoid trying to keep track of RTs for endpoints we won't
write to during read repair
Key: CASSANDRA-16084
URL: https://issues.apache.org/jira/browse/CASSANDRA-16084
Project: Cassandra
Issue Type: Bug
Reporter: Marcus Eriksson
Assignee: Marcus Eriksson
During range movements we can have responses for endpoints we won't write to,
in this case we don't collect {{PartitionUpdate}}s for those endpoints, but we
do try to update the range tombstones. This causes us to fail with this
assertion error since we assume a partition deletion to be LIVE if there is no
current partition update getting built for an endpoint.
{code}
Caused by: java.lang.AssertionError: Error merging RTs on
distributed_test_keyspace.tbl: merged=null, versions=[null, Marker
INCL_START_BOUND(20)@80/1598882605, Marker INCL_START_BOUND(20)@80/1598882605],
sources={[Full(/127.0.0.3:7012,(-3,4611686018427387899]),
Full(/127.0.0.1:7012,(-3,4611686018427387899]),
Full(/127.0.0.2:7012,(-3,4611686018427387899])]}, debug info:
/127.0.0.3:7012 => [distributed_test_keyspace.tbl] key=test1
partition_deletion=deletedAt=100, localDeletion=1598882605 columns=[[] | []]
repaired_digest= repaired_digest_conclusive==true,
/127.0.0.1:7012 => [distributed_test_keyspace.tbl] key=test1
partition_deletion=deletedAt=50, localDeletion=1598882605 columns=[[] | []]
repaired_digest= repaired_digest_conclusive==true
Marker INCL_START_BOUND(20)@80/1598882605
Marker INCL_END_BOUND(40)@80/1598882605,
/127.0.0.2:7012 => [distributed_test_keyspace.tbl] key=test1
partition_deletion=deletedAt=50, localDeletion=1598882605 columns=[[] | []]
repaired_digest= repaired_digest_conclusive==true
Marker INCL_START_BOUND(20)@80/1598882605
Marker INCL_END_BOUND(40)@80/1598882605
at
org.apache.cassandra.service.reads.DataResolver$2$1.onMergedRangeTombstoneMarkers(DataResolver.java:384)
at
org.apache.cassandra.db.rows.UnfilteredRowIterators$UnfilteredRowMergeIterator$MergeReducer.getReduced(UnfilteredRowIterators.java:592)
at
org.apache.cassandra.db.rows.UnfilteredRowIterators$UnfilteredRowMergeIterator$MergeReducer.getReduced(UnfilteredRowIterators.java:541)
at
org.apache.cassandra.utils.MergeIterator$ManyToOne.consume(MergeIterator.java:219)
at
org.apache.cassandra.utils.MergeIterator$ManyToOne.computeNext(MergeIterator.java:158)
at
org.apache.cassandra.utils.AbstractIterator.hasNext(AbstractIterator.java:47)
at
org.apache.cassandra.db.rows.UnfilteredRowIterators$UnfilteredRowMergeIterator.computeNext(UnfilteredRowIterators.java:523)
at
org.apache.cassandra.db.rows.UnfilteredRowIterators$UnfilteredRowMergeIterator.computeNext(UnfilteredRowIterators.java:391)
at
org.apache.cassandra.utils.AbstractIterator.hasNext(AbstractIterator.java:47)
at org.apache.cassandra.db.transform.BaseRows.hasNext(BaseRows.java:133)
at
org.apache.cassandra.db.transform.FilteredRows.isEmpty(FilteredRows.java:50)
at
org.apache.cassandra.db.transform.EmptyPartitionsDiscarder.applyToPartition(EmptyPartitionsDiscarder.java:27)
at
org.apache.cassandra.db.transform.BasePartitions.hasNext(BasePartitions.java:97)
at
org.apache.cassandra.service.StorageProxy$6.hasNext(StorageProxy.java:1768)
at
org.apache.cassandra.cql3.statements.SelectStatement.process(SelectStatement.java:777)
at
org.apache.cassandra.cql3.statements.SelectStatement.processResults(SelectStatement.java:425)
at
org.apache.cassandra.cql3.statements.SelectStatement.execute(SelectStatement.java:296)
at
org.apache.cassandra.cql3.statements.SelectStatement.execute(SelectStatement.java:246)
at
org.apache.cassandra.cql3.statements.SelectStatement.execute(SelectStatement.java:88)
at
org.apache.cassandra.distributed.impl.Coordinator.executeInternal(Coordinator.java:100)
at
org.apache.cassandra.distributed.impl.Coordinator.lambda$executeWithResult$0(Coordinator.java:62)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at
io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.AssertionError: currentDeletion=deletedAt=100,
localDeletion=1598882605, marker=Marker INCL_START_BOUND(20)@80/1598882605
at
org.apache.cassandra.service.reads.repair.RowIteratorMergeListener.onMergedRangeTombstoneMarkers(RowIteratorMergeListener.java:296)
at
org.apache.cassandra.service.reads.DataResolver$2$1.onMergedRangeTombstoneMarkers(DataResolver.java:370)
... 25 more
{code}
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