per my testing, repair not help. repair build Merkle tree to compare data, it only write to a new file while have difference, very very small file at the end (of course, means most data are synced)
On Fri, Mar 9, 2018 at 10:31 PM, Madhu B <odba.ma...@gmail.com> wrote: > Yasir, > I think you need to run full repair in off-peak hours > > Thanks, > Madhu > > > On Mar 9, 2018, at 7:20 AM, Kenneth Brotman <kenbrot...@yahoo.com.INVALID> > wrote: > > Yasir, > > > > How many nodes are in the cluster? > > What is num_tokens set to in the Cassandra.yaml file? > > Is it just this one node doing this? > > What replication factor do you use that affects the ranges on that disk? > > > > Kenneth Brotman > > > > *From:* Kyrylo Lebediev [mailto:kyrylo_lebed...@epam.com > <kyrylo_lebed...@epam.com>] > *Sent:* Friday, March 09, 2018 4:14 AM > *To:* user@cassandra.apache.org > *Subject:* Re: uneven data movement in one of the disk in Cassandra > > > > Not sure where I heard this, but AFAIK data imbalance when multiple > data_directories are in use is a known issue for older versions of > Cassandra. This might be the root-cause of your issue. > > Which version of C* are you using? > > Unfortunately, don't remember in which version this imbalance issue was > fixed. > > > > -- Kyrill > ------------------------------ > > *From:* Yasir Saleem <yasirsaleem9...@gmail.com> > *Sent:* Friday, March 9, 2018 1:34:08 PM > *To:* user@cassandra.apache.org > *Subject:* Re: uneven data movement in one of the disk in Cassandra > > > > Hi Alex, > > > > no active compaction, right now. > > > > <image001.png> > > > > On Fri, Mar 9, 2018 at 3:47 PM, Oleksandr Shulgin < > oleksandr.shul...@zalando.de> wrote: > > On Fri, Mar 9, 2018 at 11:40 AM, Yasir Saleem <yasirsaleem9...@gmail.com> > wrote: > > Thanks, Nicolas Guyomar > > > > I am new to cassandra, here is the properties which I can see in yaml > file: > > > > # of compaction, including validation compaction. > > compaction_throughput_mb_per_sec: 16 > > compaction_large_partition_warning_threshold_mb: 100 > > > > To check currently active compaction please use this command: > > > > nodetool compactionstats -H > > > > on the host which shows the problem. > > > > -- > > Alex > > > > > >
