Upendra, Todd L wrote a great set of blogs that explains the problem and some solutions: http://blog.cloudera.com/blog/2011/02/avoiding-full-gcs-in-hbase-with-memstore-local-allocation-buffers-part-1/
On Mon, Mar 3, 2014 at 12:00 PM, Ted Yu <[email protected]> wrote: > See http://hbase.apache.org/book.html#gcpause > > > On Mon, Mar 3, 2014 at 8:06 AM, Upendra Yadav <[email protected]> > wrote: > > > On this link(https://hbase.apache.org/book/regions.arch.html) i got : > > > > MSLAB requires 2mb per memstore (that's 2mb per family per region). > > > > what is MSLAB. Is this related to each Data block size inside HFile? > > > > > > On Mon, Mar 3, 2014 at 7:30 PM, Upendra Yadav <[email protected]> > > wrote: > > > > > Thanks... > > > > > > So in HFile, each data Block size will be 128 MB(After Major > > > compaction.... if we have more than one block...)? > > > > > > > > > On Mon, Mar 3, 2014 at 5:21 PM, 冯宏华 <[email protected]> wrote: > > > > > >> 128M > > >> ________________________________________ > > >> 发件人: Upendra Yadav [[email protected]] > > >> 发送时间: 2014年3月3日 19:20 > > >> 收件人: [email protected] > > >> 主题: what is the default size of each Column family memstore.... > > >> > > >> Hi > > >> > > >> what is the default size of each Column family memstore.... > > >> > > > > > > > > > -- Kevin O'Dell Systems Engineer, Cloudera
