My +1. Thanks for the votes everyone! It's 5 +1s, no -1s, no 0s. Based on the above results, the disk balancer feature branch(HDDS-5713) has been merged into master.
Bests, Sammi On Tue, 30 Dec 2025 at 17:44, Sammi Chen <[email protected]> wrote: > Hi Siddhant, > > > 1. Does disk balancer check that a container is being replicated to > another > DN or being deleted before selecting it for balancing? > > Currently it doesn't check whether the container is being replicated to > another DN. There was one try before, > https://github.com/apache/ozone/pull/8127, but it was abandoned. > It does check the container state, only the CLOSED state container will be > selected to move, and during the move process, it will hold the read lock > of the container, so that container will not be deleted during the move > process. > > > 2. When selecting a volume to move the container to, does it check the > committed space on that volume? > > Yes, committed space is considered during the volume chosen. > > Bests, > Sammi > > On Tue, 30 Dec 2025 at 15:33, Siddhant Sangwan < > [email protected]> wrote: > >> Hi, >> >> +1 for merging based on the design doc, the testing mentioned in the wiki >> page, and the feature flag. >> >> Some questions - >> 1. Does disk balancer check that a container is being replicated to >> another >> DN or being deleted before selecting it for balancing? >> >> 2. When selecting a volume to move the container to, does it check the >> committed space on that volume? >> >> Regards, >> Siddhant >> >> On Wed, 10 Dec, 2025, 15:53 Sammi Chen, <[email protected]> wrote: >> >> > Hi Ozone developers, >> > >> > This is for merging the HDDS-5713 Disk Balancer feature branch into >> master. >> > >> > HDDS-5713 adds the support of the disk volume utilization balancer >> function >> > by selecting and moving containers from high utilized data volume to >> lower >> > utilized data volume, to achieve an all disk volumes' utilization even >> > state. >> > >> > Feature Jira Link: >> > https://issues.apache.org/jira/browse/HDDS-5713 >> > >> > Checklist for feature branch merge: >> > >> > >> https://cwiki.apache.org/confluence/display/OZONE/Disk+Balancer+For+Datanode+-+HDDS-5713 >> > < >> > >> https://cwiki.apache.org/confluence/display/OZONE/Disk+Balancer+For+Datanode+-+HDDS-5713 >> > > >> > >> > Please help to take a look and cast the vote if you have time. >> > >> > The vote will be open for at least a week. >> > BTW, previous thread link >> > <https://lists.apache.org/thread/szyx6jxx1f66fzv9bz0t8vq8cdxmt173>. >> > >> > Thanks, >> > Sammi Chen >> > >> >
