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https://issues.apache.org/jira/browse/HIVE-22733?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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mahesh kumar behera updated HIVE-22733:
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Attachment: HIVE-22733.02.patch
> After disable operation log property in hive, still HS2 saving the operation
> log
> --------------------------------------------------------------------------------
>
> Key: HIVE-22733
> URL: https://issues.apache.org/jira/browse/HIVE-22733
> Project: Hive
> Issue Type: Bug
> Reporter: mahesh kumar behera
> Assignee: mahesh kumar behera
> Priority: Major
> Labels: pull-request-available
> Attachments: HIVE-22733.01.patch, HIVE-22733.02.patch
>
> Time Spent: 1h
> Remaining Estimate: 0h
>
> There are few issues in this area.
> 1. If logging is disabled using hive.server2.logging.operation.enabled, then
> operation logs for the queries should not be generated. But the
> registerLoggingContext method in LogUtils, registers the logging context
> even if the operation log is disabled. This causes the logs to be added by
> logger. The registration of query context should be done only if operation
> logging is enabled.
> {code:java}
> public static void registerLoggingContext(Configuration conf) {
> - MDC.put(SESSIONID_LOG_KEY, HiveConf.getVar(conf,
> HiveConf.ConfVars.HIVESESSIONID));
> - MDC.put(QUERYID_LOG_KEY, HiveConf.getVar(conf,
> HiveConf.ConfVars.HIVEQUERYID));
> if (HiveConf.getBoolVar(conf,
> HiveConf.ConfVars.HIVE_SERVER2_LOGGING_OPERATION_ENABLED)) {
> + MDC.put(SESSIONID_LOG_KEY, HiveConf.getVar(conf,
> HiveConf.ConfVars.HIVESESSIONID));
> + MDC.put(QUERYID_LOG_KEY, HiveConf.getVar(conf,
> HiveConf.ConfVars.HIVEQUERYID));
> MDC.put(OPERATIONLOG_LEVEL_KEY, HiveConf.getVar(conf,
> HiveConf.ConfVars.HIVE_SERVER2_LOGGING_OPERATION_LEVEL));{code}
>
> 2. In case of failed query, we close the operations and that deletes the
> logging context (appender and route) from logger for that query. But if any
> log is added after that, the query logs are getting added and new operation
> log file is getting generated for the query. This looks like issue with MCD
> clear. MCD clear is not removing the keys from the map. If remove is used
> instead of clear, its working fine.
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