Worth checking https://issues.apache.org/jira/browse/HBASE-1621
On Sat, Jul 14, 2012 at 7:35 AM, Ignatescu, Ionut <[email protected]>wrote: > My usecase: I have several tabels with key starting with a timestamp. > Also, this tabels have set data retention to 30 days. > Table size is around 1Tb(3Tb replicated) and data is inserted regular(on > 5minute, ~200Mb is inserted). > File size is set to 1Gb. I have this tables in use for almost half an year > and now a table has around 6k partitions and > 40% of them are empty. > The problem: the number of regions per region server is now pretty high. > > Questions: > Which approach is better? > - to merge adiacent empty partitions in a bigger one? > - to merge empty partitions to non-empty partitions? > Also, I'm wondering why regions merge is not part of major compactions and > why it's neccesary to stop the > entire fleet to solve this problem. > > > > Amazon Development Center (Romania) S.R.L. registered office: 3E Palat > Street, floor 2, Iasi, Iasi County, Iasi 700032, Romania. Registered in > Romania. Registration number J22/2621/2005. >
