bq. they will major compact any region the balancer has moved. Interesting. Do they achieve this through scripting ?
I think HBase can perform some follow-on action after region movement. Cheers On Wed, Dec 12, 2012 at 12:19 PM, Kevin O'dell <[email protected]>wrote: > Otis, > > I think it depends on your use case. Some use cases are extremely > dependent on locality and latency, so they will major compact any region > the balancer has moved. Some people follow the HFile count and will > trigger a major when there are x amount of files. Others will just follow > best practices and do it daily. Some do very little writes and only > compact once a week. > > On Wed, Dec 12, 2012 at 3:15 PM, Otis Gospodnetic < > [email protected]> wrote: > > > Hello, > > > > What are the main metrics/signals people use/look at to say "OK, I really > > need to do a major compaction now", other than "hm, performance is not > > good, let's try major compaction tonight"? > > > > Thanks, > > Otis > > -- > > HBASE Performance Monitoring - http://sematext.com/spm/index.html > > Search Analytics - http://sematext.com/search-analytics/index.html > > > > > > -- > Kevin O'Dell > Customer Operations Engineer, Cloudera >
