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Posted to commits@cassandra.apache.org by "Jon Haddad (Jira)" <ji...@apache.org> on 2024/06/28 02:43:00 UTC

[jira] [Commented] (CASSANDRA-19732) Schema change timeout when all cassandra nodes restart

    [ https://issues.apache.org/jira/browse/CASSANDRA-19732?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17860687#comment-17860687 ] 

Jon Haddad commented on CASSANDRA-19732:
----------------------------------------

Could you check if this also affects 5.0?

> Schema change timeout when all cassandra nodes restart
> ------------------------------------------------------
>
>                 Key: CASSANDRA-19732
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-19732
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Cluster/Schema
>            Reporter: ConfX
>            Priority: Normal
>
> h3. What happened
> The Cassandra nodes cannot change schema successfully after a restart.
> h3. How to reproduce
> Put the following code under `cassandra/test/distributed/org/apache/cassandra/distributed/upgrade`.
> {code:java}
> package org.apache.cassandra.distributed.upgrade;
> public class DemoSchemaChangeTest extends UpgradeTestBase
> {
>     @Test
>     public void demoTest() throws Throwable
>     {
>         new TestCase()
>                 .nodes(2)
>                 .nodesToUpgrade(1)
>                 .upgradesToCurrentFrom(v3X)
>                 .setup((cluster) -> {
>                     cluster.schemaChangeIgnoringStoppedInstances("CREATE TABLE "+KEYSPACE+".tbl1 (id int primary key, i int)");
>                 })
>                 .runAfterNodeUpgrade((cluster, node) -> {
>                     cluster.get(2).shutdown(true).get(1, TimeUnit.MINUTES);
>                     cluster.schemaChangeIgnoringStoppedInstances("CREATE TABLE "+KEYSPACE+".tbl2 (id int primary key, i int)");
>                     cluster.get(1).shutdown(true).get(1, TimeUnit.MINUTES);                    cluster.get(1).startup();
>                     cluster.get(2).startup();
>                     assertFalse(cluster.get(1).isShutdown());
>                     assertFalse(cluster.get(2).isShutdown());
>                     cluster.schemaChangeIgnoringStoppedInstances("CREATE TABLE "+KEYSPACE+".tbl3 (id int primary key, i int)");                    assertRows(cluster.get(1).executeInternal("SELECT table_name FROM system_schema.tables WHERE keyspace_name = ?", KEYSPACE),
>                             row("tbl1"), row("tbl2"), row("tbl3"));
>                     assertRows(cluster.get(2).executeInternal("SELECT table_name FROM system_schema.tables WHERE keyspace_name = ?", KEYSPACE),
>                             row("tbl1"), row("tbl2"), row("tbl3"));
>                 }).run();
>     }
> } {code}
> Build and run the above tests with dtest version jars >= 4.1-alpha1. In my case, I'm using dtest-4.1-alpha1 and dtest-4.1-beta1.jar. Run it with the following command:
> {code:java}
> $ ant test-jvm-dtest-some -Duse.jdk11=true -Dtest.name=org.apache.cassandra.distributed.upgrade.DemoSchemaChangeTest {code}
> You will see the following error message:
> {code:java}
> [junit-timeout] Testcase: demoTest(org.apache.cassandra.distributed.upgrade.DemoSchemaChangeTest)-_jdk11:        FAILED
> [junit-timeout] Error in test '4.1-beta1 -> [4.1-beta1]' while upgrading to '4.1-beta1'; successful upgrades []
> [junit-timeout] junit.framework.AssertionFailedError: Error in test '4.1-beta1 -> [4.1-beta1]' while upgrading to '4.1-beta1'; successful upgrades []
> [junit-timeout]         at org.apache.cassandra.distributed.upgrade.UpgradeTestBase$TestCase.run(UpgradeTestBase.java:442)
> [junit-timeout]         at org.apache.cassandra.distributed.upgrade.JVMDTestUpgradeTest.demoTest(JVMDTestUpgradeTest.java:236)
> [junit-timeout]         at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> [junit-timeout]         at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> [junit-timeout]         at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> [junit-timeout] Caused by: java.lang.IllegalStateException: Schema agreement not reached. Schema versions of the instances: [7ce42f2a-d2a7-31aa-94d5-daba2e4ef24d, f55fc01d-53eb-325a-98d6-dda22d5208d0]
> [junit-timeout]         at org.apache.cassandra.distributed.impl.AbstractCluster$ChangeMonitor.waitForCompletion(AbstractCluster.java:939)
> [junit-timeout]         at org.apache.cassandra.distributed.impl.AbstractCluster.lambda$schemaChange$9(AbstractCluster.java:867)
> [junit-timeout]         at org.apache.cassandra.concurrent.FutureTask$1.call(FutureTask.java:81)
> [junit-timeout]         at org.apache.cassandra.concurrent.FutureTask.call(FutureTask.java:47)
> [junit-timeout]         at org.apache.cassandra.concurrent.FutureTask.run(FutureTask.java:57)
> [junit-timeout]         at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
> [junit-timeout]         at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
> [junit-timeout]         at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
> [junit-timeout]         at java.base/java.lang.Thread.run(Thread.java:829) {code}
> The java.lang.IllegalStateException is thrown by getMonitorTimeoutMessage() in AbstractCluster.java due to timeout.
> The below schema change got timeout after all nodes restart.
> {code:java}
> cluster.schemaChangeIgnoringStoppedInstances("CREATE TABLE "KEYSPACE".tbl3 (id int primary key, i int)");  
> {code}
> The expected behavior should be that the schema change can be successfully executed after all nodes restart.



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