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Re: File Channel performance and fsync - Flume - [mail # user]
...Hi Brock  I am using flume 1.2.0.  About the batching : as per user guide "exec source" does have batch  option in 1.2.0 (param name: batchSize and default value:20) and I hav...
   Author: Jagadish Bihani, 2012-10-23, 06:40
Re: Flume throughput correlation with RAM - Flume - [mail # user]
...Hi Brock  I will surely look into 'fsync lies'.  But as per my experiments I think "file channel" is causing the issue. Because on those 2 machines (one with higher throughput and ...
   Author: Jagadish Bihani, 2012-10-10, 16:22
HDFS sink - Property: hdfs.callTimeout - Flume - [mail # user]
...Hi  What is the implication of this property "hdfs.callTimeout". What adverse effect it may have if I change it ?  I am getting timeout exception as: Noted checkpoint for file: /ho...
   Author: Jagadish Bihani, 2012-10-04, 06:39
Re: HDFS sink Bucketwriter working - Flume - [mail # user]
...Hi  Thanks for the reply Mike.   guide. (i.e. whenever I set rolling size to 10 MB and other rolling params to  0) I would expect that all the incoming events will get into th...
   Author: Jagadish Bihani, 2012-09-27, 06:58
Re: HDFS SINK "txnEventMax" property - Flume - [mail # user]
...Hi  Even in the file HDFSEventSink.java there are 2 variables: defaultBatchSize (default value:1) defaultTxnEventMax(default value: 100)  Would be very helpful to understand the wo...
   Author: Jagadish Bihani, 2012-09-26, 11:50
File Channel related Exception - Flume - [mail # user]
...Hi  In my flume agent with "Avro source-File Channel-HDFS sink"; I am  getting following exception:  *java.io.IOException: Failed to obtain lock for writing to the log. Try &n...
   Author: Jagadish Bihani, 2012-09-21, 05:25
Re: HDFS file rolling behaviour - Flume - [mail # user]
...Hi  This is my *destination agent* config:*(Which has a HDFS sink)* ============================================ agent.sources = avro-collection-source agent.channels = fileChannel agen...
   Author: Jagadish Bihani, 2012-09-20, 06:45
Re: Flume -ng startup failed - Flume - [mail # user]
...Hi  Thanks Chris. It worked. Actually  bash versions 3.1 onwards quoting regex is not necessary. But for older versions of bash we still need to use quotes for regex  matching...
   Author: Jagadish Bihani, 2012-09-11, 06:01
Re: Flume netcat source related problems - Flume - [mail # user]
...Hi Juhani  Thanks for the inputs. I did following changes: such events. default 512. But both problems remained. Events got lost without any exception. And performance also didn't get i...
   Author: Jagadish Bihani, 2012-09-05, 06:05
Re: flume-ng agent startup problem - Flume - [mail # user]
...Hi Patrick  I verified that flume is finding hadoop directory in the classpath. And HADOOP_HOME is also set. When I run the flume command it prints:  apache-flume-1.2.0]$ bin/flume...
   Author: Jagadish Bihani, 2012-08-14, 13:11
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