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Hive 14 performance and scalability? - Hive - [mail # user]
...Hi, While I haven’t upgraded to HDP 2.2, I have to ask if the transaction processing introduced in 14 has been tested at scale in terms of both users, and data size? I am curious as to what ...
   Author: Michael Segel, 2014-12-11, 11:23
[HDFS-7505] Old hdfs .jsp pages need to be removed due to a security risk - HDFS - [issue]
...During a penetration test, by manually entering the URL for the dfshealth.jsp, its possible to circumvent security on the cluster. The issue was found in Hortonworks 2.1 but it is believed t...
http://issues.apache.org/jira/browse/HDFS-7505    Author: Michael Segel, 2014-12-10, 18:40
Re: What is our current understanding regards state of integration tests? - HBase - [mail # dev]
...Can you do a check prior to launching the encryption test to see if the cluster has encryption enabled? If not, skip the test? On Dec 1, 2014, at 3:12 PM, Andrew Purtell  wrote: ...
   Author: Michael Segel, 2014-12-01, 15:45
[expand - 1 more] - Re: Newbie Question about 37TB binary storage on HBase - HBase - [mail # user]
...You receive images, You can store the images in sequence files.  (Since HDFS is a WORM file system, you will have to do some work here, storing individual images in a folder on HDFS whe...
   Author: Michael Segel, 2014-12-01, 15:00
[expand - 1 more] - Re: Replication terminology "master-master" - HBase - [mail # dev]
...Both clusters are alive, but the terms active/passive means who’s serving the data. Your ‘master’ is the HBase cluster which is r/w and serving data. Your ‘slave’ is the cluster that is pass...
   Author: Michael Segel, 2014-11-29, 22:41
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
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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