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Re: Replacing a full Row content in HBase - HBase - [mail # user]
...Hi, Lets take a step back… OP’s initial goal is to replace all of the fields/cells on a row at the same time. Thought about doing a delete prior to the put().Is now a good time to remind peo...
   Author: Michael Segel, 2014-11-20, 16:55
[expand - 3 more] - Re: Current Status of HOYA - HBase - [mail # dev]
...Yes, but seriously trying to use 0.89 in production was painful. ;-) But lets not go there. Just trying to get a handle on emerging tech (slider) and how it would fit into a production envir...
   Author: Michael Segel, 2014-11-20, 13:23
Re: I'm studying hbase with php, and I wonder getRow guarantee sequential order. - HBase - [mail # user]
...Not sure of the question. A scan will return multiple rows in sequential order. Note that its sequential byte stream order. The columns will also be in sequential order as well… So if you ha...
   Author: Michael Segel, 2014-11-11, 18:07
[expand - 2 more] - Re: OOM when fetching all versions of single row - HBase - [mail # user]
...Bryan,I wasn’t saying St.Ack’s post wasn’t relevant, but that its not addressing the easiest thing to fix. Schema design. IMHO, that’s shooting one’s self in the foot. You shouldn’t be using...
   Author: Michael Segel, 2014-11-04, 00:44
[expand - 2 more] - Re: Latency in asynchronous mode - Zookeeper - [mail # user]
   Author: Michael Segel, 2014-10-31, 15:05
Re: Upgrading a coprocessor - HBase - [mail # user]
   Author: Michael Segel, 2014-10-30, 09:22
Re: Compactions nice to have features - HBase - [mail # dev]
...On Oct 5, 2014, at 11:01 PM, lars hofhansl  wrote:Hmmm. Rough math…  using 3.5” SATA II (7200 RPM) drives … 4 drives would max out 1GbE.  So then  a server with 12 drives...
   Author: Michael Segel, 2014-10-08, 19:31
Re: A use case for ttl deletion? - HBase - [mail # user]
...OP wants to know good use cases where to use ttl setting. Answer: Any situation where the cost of retaining the data exceeds the value to be gained from the data.  Using ttl allows for ...
   Author: Michael Segel, 2014-09-30, 13:16
Re: Adding 64-bit nodes to 32-bit cluster? - HBase - [mail # user]
...You need to create two sets of Hadoop configurations and deploy them to the correct nodes. Yarn was supposed to be the way to heterogenous clusters. But this begs the question. Why on earth ...
   Author: Michael Segel, 2014-09-19, 12:30
[expand - 2 more] - Re: HBase reads, isolation levels and RegionScanner internal locking - HBase - [mail # dev]
...Atomic is atomic and that’s not an issue. But if you’re locking a row… what are you locking? The HFiles that make up the row? The CFs? The memory? How long do you hold the lock(s)? On Sep 12...
   Author: Michael Segel, 2014-09-13, 19:54
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NEW: Monitor These Apps!
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