kokonguyen191 commented on PR #8396: URL: https://github.com/apache/hadoop/pull/8396#issuecomment-4257775239
> Just wonder what will it happen if remove mount points one by one and cost a long time. IMO, this will be one low frequency operation, any cases need to improve the performance? Thanks. Hi @Hexiaoqiao, I think it mostly depends on how the cluster is run. In our cluster, we have a lot of mount points and housekeeping them takes a few minutes each time. It's a small improvement with no drawback for peeps who do a lot of admin mount ops. Though, internally, we run batches of all mount table operations at the same time instead of just adding/removing/updating, and at much higher frequency for migrations. But it's a rather niche situation. The difference in run time for this particular use case with vs. without the improvement is months vs. days. -- 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. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
