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Amazon SNS and Kafka comparison - Kafka - [mail # user]
...Hi,I have a system that needs to process tens of thousands of user events persecond.I've looked at both Kafka and Amazon SNS.Using SNS would mean I can avoid the operational overhead of main...
   Author: James Newhaven, 2013-06-14, 14:45
Events stored in Apache Web Logs - how best to get these into Kafka? - Kafka - [mail # user]
...I have a lot of user event data being sent to an apache web server andwritten to web logs. Unfortunately I don't control this flow, but do I haveaccess to the server the logs are being writt...
   Author: James Newhaven, 2013-06-11, 21:58
Debugging UDFs - Pig - [mail # user]
...I have defined a pig UDF want to track problems using warnings like this:  warn("My warning", PigWarning.UDF_WARNING_1);  I'm testing this in local mode first, but I never see this...
   Author: James Newhaven, 2013-04-13, 16:24
Subtracting contents of two bags - Pig - [mail # user]
...Hi,  I have two relations - A and B.  Both just contain user ids.  I want to get a list of users who are in A but not in B.  I am running Pig 0.9.1 and think this might b...
   Author: James Newhaven, 2013-01-22, 12:46
[expand - 1 more] - Re: UDF Performance Problem - Pig - [mail # user]
...Thanks Dmitriy, all sorted now.  James  On Mon, Sep 3, 2012 at 6:21 PM, Dmitriy Ryaboy  wrote:  ...
   Author: James Newhaven, 2012-09-03, 20:31
Nested binary conditionals - Pig - [mail # user]
...Has anyone had success nesting conditional statements?  I am trying to implement a standard if, else if, else if statement without success.  e.g.  A = FOREACH B GENERATE (cond...
   Author: James Newhaven, 2012-08-14, 16:02
Using average function is really slow - Pig - [mail # user]
...Hi,  I am using the built-in org.apache.pig.builtin.AVG function. I have a set of 100,000 items that I want to average.  The relevant pig latin is below:   L = FOREACH K GENER...
   Author: James Newhaven, 2012-07-04, 17:37
Pig script is failing during reduce phase - Pig - [mail # user]
...Hi,  I am executing a Pig script on Elastic MapReduce. It runs fine over one day's worth of data, but when I increase my dataset size to 30 days, the reducers have started failing with ...
   Author: James Newhaven, 2012-06-18, 15:30
Copying files to Amazon S3 using Pig is slow - Pig - [mail # user]
...I want to copy 26,000 HDFS files generated by a pig script to Amazon S3.  I am using the copyToLocal command, but I noticed the copy throughput is only one file per second - so it is go...
   Author: James Newhaven, 2012-06-08, 11:40
Saving files to HDFS - Pig - [mail # user]
...I have a pig script that creates tuples containing JSON.  I want to save the content of each tuple to a separate file e.g. file1.json to HDFS.  So, my question is, is it possible t...
   Author: James Newhaven, 2012-06-07, 10:09
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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