17076203 字节的变异对于 16777216 的最大大小来说太大了 [英] Mutation of 17076203 bytes is too large for the maxiumum size of 16777216

问题描述

我在 cassandra 设置中有commitlog_segment_size_in_mb: 32"，但下面的错误表明最大大小为 16777216，大约 16mb.我是否正在查看用于修复以下错误的正确设置?

I have "commitlog_segment_size_in_mb: 32" in the cassandra settings but the error below indicates maximum size is 16777216, which is about 16mb. Am I looking at the correct setting for fixing the error below?

我指的是基于 http://mail-archives.apache.org/mod_mbox/cassandra-user/201406.mbox/[e-mail]%3E

我为 Cassandra 使用 2.1.0-2.

I am using 2.1.0-2 for Cassandra.

我使用的是 Kairosdb，写入缓冲区最大大小为 0.5Mb.

I am using Kairosdb, and the write buffer max size is 0.5Mb.

WARN  [SharedPool-Worker-1] 2014-10-22 17:31:03,163 AbstractTracingAwareExecutorService.java:167 - Uncaught exception on thread Thread[SharedPool-Worker-1,5,main]: {}
java.lang.IllegalArgumentException: Mutation of 17076203 bytes is too large for the maxiumum size of 16777216
        at org.apache.cassandra.db.commitlog.CommitLog.add(CommitLog.java:216) ~[apache-cassandra-2.1.0.jar:2.1.0]
        at org.apache.cassandra.db.commitlog.CommitLog.add(CommitLog.java:203) ~[apache-cassandra-2.1.0.jar:2.1.0]
        at org.apache.cassandra.db.Keyspace.apply(Keyspace.java:371) ~[apache-cassandra-2.1.0.jar:2.1.0]
        at org.apache.cassandra.db.Keyspace.apply(Keyspace.java:351) ~[apache-cassandra-2.1.0.jar:2.1.0]
        at org.apache.cassandra.db.Mutation.apply(Mutation.java:214) ~[apache-cassandra-2.1.0.jar:2.1.0]
        at org.apache.cassandra.db.MutationVerbHandler.doVerb(MutationVerbHandler.java:54) ~[apache-cassandra-2.1.0.jar:2.1.0]
        at org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:62) ~[apache-cassandra-2.1.0.jar:2.1.0]
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) ~[na:1.7.0_67]
        at org.apache.cassandra.concurrent.AbstractTracingAwareExecutorService$FutureTask.run(AbstractTracingAwareExecutorService.java:163) ~[apache-cassandra-2.1.0.jar:2.1.0]
        at org.apache.cassandra.concurrent.SEPWorker.run(SEPWorker.java:103) [apache-cassandra-2.1.0.jar:2.1.0]
        at java.lang.Thread.run(Thread.java:745) [na:1.7.0_67]

推荐答案

您正在查看 .yaml 中的正确参数.C* 允许的最大写入大小是 commit_log_segment_size_in_mb 的一半，默认为 32mb，因此默认最大大小为 16mb.

You are looking at the correct parameter in your .yaml. The maximum write size C* will allow is half of the commit_log_segment_size_in_mb, default is 32mb so the default max size will be 16mb.

commit_log_segment_size_in_mb 代表提交日志归档或时间点备份的块大小.仅当您在 commitlog_archiving.properties 文件中配置了 archive_command 或 restore_command 时，这些才处于活动状态.

commit_log_segment_size_in_mb represents your block size for commit log archiving or point-in-time backup. These are only active if you have configured archive_command or restore_command in your commitlog_archiving.properties file.

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