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[expand - 1 more] - Re: Right value for hbase.rpc.timeout - HBase - [mail # user]
...Silly question… How much memory do you have on your machine and how much do you allocate to HBase? More to the point, how much memory is allocated to your memstore?Suppose you have maxfilesi...
   Author: Michael Segel, 2015-05-05, 20:52
[expand - 1 more] - Re: HBase Filesystem Adapter - HBase - [mail # user]
...If you’re not going to be using HDFS and Map/Reduce, I would suggest you choose a different noSQL persistent data store. The opinions expressed here are mine, while they may reflect a cognit...
   Author: Michael Segel, 2015-05-03, 15:47
Re: HBase Questions - HBase - [mail # user]
...For #1, You really don’t want to do what is suggested by the HBase book. Yes you can do it, but then again, just because you can do something doesn’t mean you should. Its really bad advice. ...
   Author: Michael Segel, 2015-05-03, 15:44
Re: Is it safe to set "hbase.coprocessor.abortonerror" to false on produce environment? - HBase - [mail # user]
...Perfect example of why you really don’t want to allow user/homegrown coprocessors to run. If you’re running Ranger and a secure cluster… you have no choice you are running coprocessors. So y...
   Author: Michael Segel, 2015-04-30, 19:24
[expand - 2 more] - Re: Hbase row ingestion .. - HBase - [mail # user]
...I wouldn’t call storing attributes in separate columns a ‘rigid schema’. You are correct that you could write your data as a CLOB/BLOB and store it in a single cell. The upside is that its m...
   Author: Michael Segel, 2015-04-30, 13:52
[expand - 1 more] - Re: Regions balancing - HBase - [mail # user]
...You need to upgrade. You hit a known bug.  ...
   Author: Michael Segel, 2015-04-29, 18:45
Re: Predictive Caching - HBase - [mail # user]
...Hi, You don’t want to do it. (Think about what you’re asking for …) You would be better off w secondary indexing so that you can hit your index to get your subset of rows and then use the ma...
   Author: Michael Segel, 2015-04-23, 21:44
[expand - 8 more] - Re: Nondeterministic outcome based on cell TTL and major compaction event order - HBase - [mail # dev]
...I think you misunderstood the question(s). How do you define the meaning of the TTL attribute? Is the TTL a special form of the delete tombstone? The reason I ask this is that if we look at ...
   Author: Michael Segel, 2015-04-17, 19:28
[expand - 3 more] - Re: HBase region assignment by range? - HBase - [mail # user]
...Is your table staic? If you know your data and your ranges, you can do it. However as you add data to the table, those regions will eventually split. The other issue that you brought up is t...
   Author: Michael Segel, 2015-04-08, 11:42
[expand - 7 more] - Re: Rowkey design question - HBase - [mail # user]
...Sorry, but your initial problem statement doesn’t seem to parse … Are you saying that you a single row with approximately 100,000 elements where each element is roughly 1-5KB in size and in ...
   Author: Michael Segel, 2015-04-07, 21:04
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elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB