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Re: Abstraction layer to support both YARN and Mesos - HDFS - [mail # user]
...Actually, I am interested.  Lots of different Apache top level projects seem to overlap and it can be confusing. Its very easy for a good technology to get starved because no one asks h...
   Author: Michael Segel, 2013-07-29, 15:08
Re: Saving counters in Mapfile - HDFS - [mail # user]
...Uhm...  You want to save the counters as in counts per job run or something? (Remember HDFS == WORM)   Then you could do a sequence file and then use something like HBase to manage...
   Author: Michael Segel, 2013-07-24, 02:26
Re: data loss after cluster wide power loss - HDFS - [mail # user]
...Dave,   How did you lose power to the entire cluster?   I realize that this question goes beyond HBase, but is an Ops question. Do you have redundant power sources and redundant po...
   Author: Michael Segel, 2013-07-03, 14:03
Re: SSD support in HDFS - HDFS - [mail # user]
...I could have sworn there was a thread on this already. (Maybe the HBase list?)   Andrew P. kinda nailed it when he talked about the fact that you had to write the replication(s).  ...
   Author: Michael Segel, 2013-06-13, 02:35
Re: recovery accidently deleted pig script - HDFS - [mail # user]
...Where was the pig script? On HDFS?   How often does your cluster clean up the trash?   (Deleted stuff doesn't get cleaned up when the file is deleted... ) Its a configurable settin...
   Author: Michael Segel, 2013-06-13, 02:28
Re: Aggregating data nested into JSON documents - HDFS - [mail # user]
...Hi..  Have you thought about HBase?   I would suggest that if you're using Hive or Pig, to look at taking these files and putting the JSON records in to a sequence file.  Or s...
   Author: Michael Segel, 2013-06-13, 02:26
Re: Reading json format input - HDFS - [mail # user]
...Yeah,  I have to agree w Russell. Pig is definitely the way to go on this.   If you want to do it as a Java program you will have to do some work on the input string but it too sho...
   Author: Michael Segel, 2013-05-29, 23:30
Re: Question about Name Spaces… - HDFS - [mail # user]
...Actually creating links, symbolic or hard links makes sense in a couple of scenarios.  Especially in terms of hive... ;-)   So it kind of goes back to my extension of the question ...
   Author: Michael Segel, 2013-05-15, 22:19
Re: hadoop pipes or java with jni? - HDFS - [mail # user]
...I'm partial to using Java and JNI and then use the distributed cache to push the native libraries out to each node if not already there.   But that's just me... ;-)   HTH  -Mi...
   Author: Michael Segel, 2013-03-04, 02:04
Re: Encryption in HDFS - HDFS - [mail # user]
...You can encrypt the splits separately.   The issue of key management is actually a layer above this.   Looks like the research is on the encryption process w a known key.  The...
   Author: Michael Segel, 2013-02-27, 12:58
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