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Re: What could cause HBase's writes slower than reads? - HBase - [mail # user]
...Some of the things to look at is I/O on the disk, CPU on the server. Look at CPU and java thread dumps on the client. I use Ganglia to look at server stats and it is often very helpful. &nbs...
   Author: Mohit Anchlia, 2012-11-03, 15:11
Re: HBase Tuning - HBase - [mail # user]
...What's the best way to see if all handlers are occupied? I am probably running into similar issue but would like to check.  On Wed, Oct 10, 2012 at 8:24 PM, Stack  wrote:  . &...
   Author: Mohit Anchlia, 2012-10-11, 04:25
setAutoFlush in HTableDescriptor - HBase - [mail # user]
...I am using 92.1 HTableDescriptor and I don't see setAutoFlush method. I am using HTablePool...
   Author: Mohit Anchlia, 2012-10-09, 22:51
Re: HBase client slows down - HBase - [mail # user]
...It looks as if RS is able to take the load but at some point memory buffer on the server is full and it slows everything down.  Some interseting points I am seeing is memstore size of 5...
   Author: Mohit Anchlia, 2012-10-09, 19:59
HBase client - HBase - [mail # user]
...There is a suggestion on this URL http://hbase.apache.org/book/perf.writing.html#perf.hbase.client.autoflush to set autoFlush to false. I have 2 questions:  1. By setting auto flush to ...
   Author: Mohit Anchlia, 2012-10-09, 04:39
Re: HBase tunning - HBase - [mail # user]
...I have a timeseries data and each row has upto 1000 cols. I just started with defaults and I have not tuned any parameters on client or server. My reads are reading all the cols in a row. Bu...
   Author: Mohit Anchlia, 2012-10-06, 02:16
Re: No of rows - HBase - [mail # user]
...On Wed, Sep 12, 2012 at 4:48 PM, lars hofhansl  wrote:  Thanks! If caching is set > 1 then is there a way to limit no of rows that's fetched from the server?  ...
   Author: Mohit Anchlia, 2012-09-12, 23:51
Re: More rows or less rows and more columns - HBase - [mail # user]
...On Mon, Sep 10, 2012 at 10:59 AM, Harsh J  wrote:   No actually I was asking if I have columns with qualifier:  d,b,c,e can I store them sorted such that it is e,d,c,b? This w...
   Author: Mohit Anchlia, 2012-09-10, 18:02
Re: Key formats and very low cardinality leading fields - HBase - [mail # user]
...You can also look at pre-splitting the regions for timeseries type data.  On Mon, Sep 3, 2012 at 1:11 PM, Jean-Marc Spaggiari <[EMAIL PROTECTED]  ...
   Author: Mohit Anchlia, 2012-09-03, 21:19
Re: md5 hash key and splits - HBase - [mail # user]
...On Thu, Aug 30, 2012 at 11:52 PM, Stack  wrote:  keys in the same region for a user I am thinking of using md5(userid)+reversetimestamp as a row key. But with this type of key how ...
   Author: Mohit Anchlia, 2012-08-31, 14:55
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