Deegue opened a new pull request #2547: URL: https://github.com/apache/hadoop/pull/2547
History Server scans `done` directory while initializing. If there are millions of application files to cache, it will become a time demanding action. In our cluster, it'll be 4+ hours before the initialization is done. We added a switch to control whether doing initialized cache or not. Configuring `mapreduce.jobhistory.joblist.cache.size` is not appropriate when we need cache as many applications as possible and History Server starts up quickly as the same time. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
