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Posted to issues@kylin.apache.org by "Shao Feng Shi (Jira)" <ji...@apache.org> on 2022/12/16 11:14:00 UTC

[jira] [Updated] (KYLIN-5246) long running job's log staying in mem, may cause job server oom

     [ https://issues.apache.org/jira/browse/KYLIN-5246?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Shao Feng Shi updated KYLIN-5246:
---------------------------------
    Fix Version/s: v4.0.3

> long running job's log staying in mem, may cause job server oom
> ---------------------------------------------------------------
>
>                 Key: KYLIN-5246
>                 URL: https://issues.apache.org/jira/browse/KYLIN-5246
>             Project: Kylin
>          Issue Type: Improvement
>          Components: Job Engine
>    Affects Versions: v4.0.1
>            Reporter: Liu Zhao
>            Priority: Minor
>             Fix For: v4.0.3
>
>
> {code:java}
> CliCommandExecutor
> --------
> BufferedReader reader = new BufferedReader(
> 		new InputStreamReader(proc.getInputStream(), StandardCharsets.UTF_8));
> String line;
> StringBuilder result = new StringBuilder();
> while ((line = reader.readLine()) != null && !Thread.currentThread().isInterrupted()) {
> 	result.append(line).append('\n');
> 	if (logAppender != null) {
> 		logAppender.log(line);
> 	}
> }
> {code}
> job运行时间久,result 会非常大,可能会引起内存问题



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