[
https://issues.apache.org/jira/browse/CASSANDRA-13346?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15988859#comment-15988859
]
Chris Lohfink commented on CASSANDRA-13346:
-------------------------------------------
the "all" map is actually for metrics that have a global representation thats
aggregated. For example, theres a global sstables per read metric that
aggregates all the individual table and keyspace metrics so you can see the
entire nodes sstables per read to see if any are high instead of walking
through entire table set to find out.
> Failed unregistering mbean during drop keyspace
> -----------------------------------------------
>
> Key: CASSANDRA-13346
> URL: https://issues.apache.org/jira/browse/CASSANDRA-13346
> Project: Cassandra
> Issue Type: Bug
> Components: Materialized Views
> Environment: Cassandra 3.9
> Reporter: Gábor Auth
> Assignee: Lerh Chuan Low
> Priority: Minor
> Labels: lhf
> Fix For: 3.0.x, 3.11.x
>
> Attachments: 13346-3.0.X.txt, 13346-3.X.txt
>
>
> All node throw exceptions about materialized views during drop keyspace:
> {code}
> WARN [MigrationStage:1] 2017-03-16 16:54:25,016 ColumnFamilyStore.java:535 -
> Failed unregistering mbean:
> org.apache.cassandra.db:type=Tables,keyspace=test20160810,table=unit_by_account
> java.lang.NullPointerException: null
> at
> java.util.concurrent.ConcurrentHashMap.replaceNode(ConcurrentHashMap.java:1106)
> ~[na:1.8.0_121]
> at
> java.util.concurrent.ConcurrentHashMap.remove(ConcurrentHashMap.java:1097)
> ~[na:1.8.0_121]
> at
> java.util.concurrent.ConcurrentHashMap$KeySetView.remove(ConcurrentHashMap.java:4569)
> ~[na:1.8.0_121]
> at
> org.apache.cassandra.metrics.TableMetrics.release(TableMetrics.java:712)
> ~[apache-cassandra-3.9.0.jar:3.9.0]
> at
> org.apache.cassandra.db.ColumnFamilyStore.unregisterMBean(ColumnFamilyStore.java:570)
> [apache-cassandra-3.9.0.jar:3.9.0]
> at
> org.apache.cassandra.db.ColumnFamilyStore.invalidate(ColumnFamilyStore.java:527)
> [apache-cassandra-3.9.0.jar:3.9.0]
> at
> org.apache.cassandra.db.ColumnFamilyStore.invalidate(ColumnFamilyStore.java:517)
> [apache-cassandra-3.9.0.jar:3.9.0]
> at org.apache.cassandra.db.Keyspace.unloadCf(Keyspace.java:365)
> [apache-cassandra-3.9.0.jar:3.9.0]
> at org.apache.cassandra.db.Keyspace.dropCf(Keyspace.java:358)
> [apache-cassandra-3.9.0.jar:3.9.0]
> at org.apache.cassandra.config.Schema.dropView(Schema.java:744)
> [apache-cassandra-3.9.0.jar:3.9.0]
> at
> org.apache.cassandra.schema.SchemaKeyspace.lambda$mergeSchema$373(SchemaKeyspace.java:1287)
> [apache-cassandra-3.9.0.jar:3.9.0]
> at java.lang.Iterable.forEach(Iterable.java:75) ~[na:1.8.0_121]
> at
> org.apache.cassandra.schema.SchemaKeyspace.mergeSchema(SchemaKeyspace.java:1287)
> [apache-cassandra-3.9.0.jar:3.9.0]
> at
> org.apache.cassandra.schema.SchemaKeyspace.mergeSchemaAndAnnounceVersion(SchemaKeyspace.java:1256)
> [apache-cassandra-3.9.0.jar:3.9.0]
> at
> org.apache.cassandra.db.DefinitionsUpdateVerbHandler$1.runMayThrow(DefinitionsUpdateVerbHandler.java:51)
> ~[apache-cassandra-3.9.0.jar:3.9.0]
> at
> org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28)
> ~[apache-cassandra-3.9.0.jar:3.9.0]
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> ~[na:1.8.0_121]
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> ~[na:1.8.0_121]
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> ~[na:1.8.0_121]
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> ~[na:1.8.0_121]
> at java.lang.Thread.run(Thread.java:745) ~[na:1.8.0_121]
> {code}
--
This message was sent by Atlassian JIRA
(v6.3.15#6346)
---------------------------------------------------------------------
To unsubscribe, e-mail: commits-unsubscr...@cassandra.apache.org
For additional commands, e-mail: commits-h...@cassandra.apache.org
