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Posted to issues@kylin.apache.org by "liyang (Jira)" <ji...@apache.org> on 2022/09/03 06:49:00 UTC
[jira] [Commented] (KYLIN-5246) long running jobs may cause memory problems in the job server
[ https://issues.apache.org/jira/browse/KYLIN-5246?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17599820#comment-17599820 ]
liyang commented on KYLIN-5246:
-------------------------------
👍 Good suggestion!
> long running jobs may cause memory problems in the job server
> -------------------------------------------------------------
>
> 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: zhaoliu
> Priority: Minor
>
> {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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