https://issues.apache.org/jira/browse/HBASE-4084
John On Jul 11, 2011, at 11:24 AM, Ted Yu wrote: > John: > Can you log a JIRA ? > > Thanks > > > > On Jul 11, 2011, at 11:07 AM, John Heitmann <[email protected]> wrote: > >> Apologies for the "me too" message, but: me too. I've been seeing this for a >> month or two on my trunk-based setup. I looked for log messages, but things >> looked pretty silent, and when I looked at the code my impression was >> identical to Michael's in that I didn't see a plausible path for it to work >> outside of extreme circumstances. >> >> Now that I look at it again, it seems like auto-splitting is initiated only >> if 1) There are too many store files per region and 2) The max blocking time >> hasn't been exceeded. It looks like the requestSplit call should be hoisted >> a bit in MemStoreFlusher.flushRegion(). >> >> John >> >> On Jul 11, 2011, at 9:17 AM, Stack wrote: >> >>> If you have an individual storefile > 256M and its not splitting >>> something is wrong. Check the logs on the regionserver carrying your >>> single region. See if any clue therein. >>> >>> St.Ack >>> >>> >>> On Mon, Jul 11, 2011 at 5:54 AM, Michael Morello >>> <[email protected]> wrote: >>>> Hi, >>>> >>>> I use the default values, so hbase.hregion.max.filesize should be 256 >>>> Mo as defined in HConstants. >>>> >>>> Regards, >>>> >>>> 2011/7/11 Zhoushuaifeng <[email protected]>: >>>>> What's your settings of this : hbase.hregion.max.filesize ? >>>>> If your setting is more than 1GB, and total size in the region less than >>>>> this , your region will not split. >>>>> >>>> >>>>> -----Original Message----- >>>>> From: Michael Morello [mailto:[email protected]] >>>>> Sent: Monday, July 11, 2011 8:28 PM >>>>> To: [email protected] >>>>> Subject: Region "auto-split" >>>>> >>>>> Hello, >>>>> >>>>> I'm testing the trunk revision of HBase and there is something that >>>>> seems strange to me regarding the "auto-split" region feature, here is >>>>> my test case : >>>>> I generate a lot of data with a simple client into a newly created >>>>> table with no predefined region. Everything is stored in the first >>>>> "default" region but this region is never splitted (I currently have a >>>>> region with a single file store of more than 1Go). >>>>> >>>>> It seems that it is the responsability of the MemStoreFlusher to call >>>>> the CompactSplitThread (line 359 of MemStoreFlusher) and schedule a >>>>> split, but this part is never called. >>>>> More precisely one of the condition that is expected to be true in >>>>> order to schedule a split is that isTooManyStoreFiles(region) is true, >>>>> this could never happen. >>>>> >>>>> Is it an expected behaviour or is it a known problem ? >>>> >>
