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[expand - 1 more] - Re: Syslog TCP performances issue with filechannel - Flume - [mail # user]
...So if you use the Multiport Syslog Source, you can specify a batch size — which is the size of a transaction, and there is one fsync at the end of each transaction.Regarding the tests — thos...
   Author: Hari Shreedharan, 2015-03-05, 21:42
[SPARK-3129] Prevent data loss in Spark Streaming on driver failure using Write Ahead Logs - Spark - [issue]
...Spark Streaming can small amounts of data when the driver goes down - and the sending system cannot re-send the data (or the data has already expired on the sender side). This currently affe...
http://issues.apache.org/jira/browse/SPARK-3129    Author: Hari Shreedharan, 2015-03-05, 20:55
[SPARK-1647] Prevent data loss when Streaming driver goes down - Spark - [issue]
...Currently when the driver goes down, any uncheckpointed data is lost from within spark. If the system from which messages are pulled can  replay messages, the data may be available - bu...
http://issues.apache.org/jira/browse/SPARK-1647    Author: Hari Shreedharan, 2015-03-05, 20:55
[SQOOP-1168] Sqoop2: Delta Fetch/ Merge ( formerly called Incremental Import ) - Sqoop - [issue]
...The formal design wiki is here https://cwiki.apache.org/confluence/display/SQOOP/Delta+Fetch+and+Merge+Design...
http://issues.apache.org/jira/browse/SQOOP-1168    Author: Hari Shreedharan, 2015-03-05, 01:54
[FLUME-2436] Make hadoop-2 the default build profile - Flume - [issue]
http://issues.apache.org/jira/browse/FLUME-2436    Author: Hari Shreedharan, 2015-03-04, 18:10
Re: Flume + Kafka, Some results. - Flume - [mail # user]
...Sinks are single threaded. If you have more threads your performance will improve. And you are right in the sense that if you want to test the Kafka components then you should use null sink....
   Author: Hari Shreedharan, 2015-03-04, 17:00
Re: java.lang.OutOfMemoryError: Direct buffer memory - Flume - [mail # user]
...How are you passing the JVM options in. Is the event being written morethan 2g?On Sunday, March 1, 2015, Wan Yi(武汉_技术部_搜索与精准化_万毅)  wrote: ...
   Author: Hari Shreedharan, 2015-03-02, 03:24
Re: Source not listening on defined port - Flume - [mail # user]
...I don't know how the agent is being started, but changing the agent name in the conf from a1 to agent should fix this. The log does say that it can't find the agent's config.Thanks, HariOn S...
   Author: Hari Shreedharan, 2015-03-01, 18:47
[FLUME-2507] File Channel cannot support massive capacities - Flume - [issue]
...In the File Channel, we map the checkpoint file. Java cannot seem to be able to map a single file of more than 2GB, since MappedByteBuffer is indexed on int. So even if we get a LongBuffer u...
http://issues.apache.org/jira/browse/FLUME-2507    Author: Hari Shreedharan, 2015-03-01, 13:33
[FLUME-2464] Remove hadoop-2 profile - Flume - [issue]
...This profile is quite painful to maintain since there is no hbase-0.94.2 artifact against hadoop-2. Let's get rid of this since hbase-98 profile takes care of hadoop 2 builds with hbase-98...
http://issues.apache.org/jira/browse/FLUME-2464    Author: Hari Shreedharan, 2015-02-28, 17:08
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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