Harsh is right. You find the wrong place. regards!
Yong On Sun, Aug 12, 2012 at 1:40 PM, Harsh J <ha...@cloudera.com> wrote: > Richard, > > The property disables major compactions from happening automatically. > However, if you choose to do this, you should ensure you have a cron > job that does trigger major_compact on all tables - for compaction is > a necessary thing, but you just do not want it to happen at any time > it likes to. > > Also, all properties to be overriden must go to > $HBASE_HOME/conf/hbase-site.xml, and you do not need to edit source > files and recompile for every config change you want to do. > > On Thu, Aug 9, 2012 at 5:37 PM, Richard Tang <tristartom.t...@gmail.com> > wrote: >> That is right. I have tried following properties, in conf/hbase-site.xml. >> It looks it works to disable both major and minor (in some sense) >> compactions. >> Note these properties are defined in src/main/resources/hbase-default.xml, >> but putting the property there without recompiling the src, it will not >> work. >> >> <property> >> <name>hbase.hstore.compactionThreshold</name> >> <value>100</value> >> <description> >> If more than this number of HStoreFiles in any one HStore >> (one HStoreFile is written per flush of memstore) then a compaction >> is run to rewrite all HStoreFiles files as one. Larger numbers >> put off compaction but when it runs, it takes longer to complete. >> </description> >> </property> >> >> <property> >> <name>hbase.hstore.blockingStoreFiles</name> >> <value>7</value> >> <description> >> If more than this number of StoreFiles in any one Store >> (one StoreFile is written per flush of MemStore) then updates are >> blocked for this HRegion until a compaction is completed, or >> until hbase.hstore.blockingWaitTime has been exceeded. >> </description> >> </property> >> >> <property> >> <name>hbase.hstore.blockingWaitTime</name> >> <value>90000</value> >> <description> >> The time an HRegion will block updates for after hitting the StoreFile >> limit defined by hbase.hstore.blockingStoreFiles. >> After this time has elapsed, the HRegion will stop blocking updates even >> if a compaction has not been completed. Default: 90 seconds. >> </description> >> </property> >> >> <property> >> <name>hbase.hstore.compaction.max</name> >> <value>100</value> >> <description>Max number of HStoreFiles to compact per 'minor' compaction. >> </description> >> </property> >> >> <property> >> <name>hbase.hregion.majorcompaction</name> >> <value>0</value> >> <description>The time (in miliseconds) between 'major' compactions of all >> HStoreFiles in a region. Default: 1 day. >> Set to 0 to disable automated major compactions. >> </description> >> </property> >> >> On Thu, Aug 9, 2012 at 7:03 AM, henry.kim <henry.jy...@gmail.com> wrote: >> >>> yes, there is a property in hbase-site.xml >>> >>> check the property which is named 'hbase.hregion.majorcompaction' >>> >>> if you set it to value 0, there will be no automatic compactions. >>> >>> 2012. 8. 9., 오후 7:43, Richard Tang <tristartom.t...@gmail.com> 작성: >>> >>> > I am using hbase 0.92.1 and want to disable compaction (both major and >>> > minor compactions) for a period of time. is that configurable in hbase? >>> >>> > > > > -- > Harsh J