Re: Unable to create hbase table in namespace

2015-08-02 Thread Shashi Vishwakarma
Thanks Ashish. Above information is helpful. On Fri, Jul 31, 2015 at 9:19 PM, Ashish Singhi < ashish.singhi.apa...@gmail.com> wrote: > This issue was reported and fixed as part of HBASE-12098. > Fix is available in 0.98.7+ releases. > > Regards, > Ashish Singhi > > On Fri, Jul 31, 2015 at 6:11 PM

Re: scan column families with different time ranges

2015-08-02 Thread Ted Yu
Here is refined version: http://pastebin.com/WXjYKmBG Cheers On Sun, Aug 2, 2015 at 2:57 AM, Ted Yu wrote: > Dave: > I wonder if Filter response can be enhanced in the following manner: > > http://pastebin.com/sb6apTPm > > My approach is based on using essential column family (column family A i

Re: How does HBase manage Memstore

2015-08-02 Thread Chang Chen
Hi Ted we are using 0.96, so no hbase.hregion.percolumnfamilyflush.size.lower.bound exists. Besides these options, hbase.regionserver.optionalcacheflushinterval is also related to flush memstore. Thanks Chang On Sat, Aug 1, 2015 at 5:11 PM, Ted Yu wrote: > Here're some other memstore related

Re: scan column families with different time ranges

2015-08-02 Thread Jean-Marc Spaggiari
Just thinking at loud : "Cutting out the old store files could well also reduce disk IO for that family by 100x." What is "recent" for your data? More than 7 days? Or less? Don't you have weekly major compactions? If so and if you are scanning for more than 7 days, then you will read the olde

Re: scan column families with different time ranges

2015-08-02 Thread Ted Yu
Dave: I wonder if Filter response can be enhanced in the following manner: http://pastebin.com/sb6apTPm My approach is based on using essential column family (column family A in your case) to guide whether the remaining column families should be loaded. To be specific, if outside the TimeRange yo