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[FLUME-1201] Create a buffer channel, that stores overflow from a fast, low capacity channel to a slower high capacity channel - Flume - [issue]
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...As it stands, users need to make a choice between either slower channels or faster ones. The current "middle ground" consists of RecoverableFileChannel which still stores everything to disk....
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http://issues.apache.org/jira/browse/FLUME-1201
Author: Juhani Connolly,
2012-07-09, 23:23
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Re: Restarts without data loss - Flume - [mail # user]
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...It is currently pushing only 10 events per second or so(roughly 250 bytes per event). This is with datadir/checkpoint on the same directory. Of course the fact that there is a ta...
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Author: Juhani Connolly,
2012-07-09, 10:49
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Re: Restarts without data loss - Flume - [mail # user]
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...Hari: you mean multiple disks, not multiple folders? Running off a single disk the performance is unfortunately not "reasonably good". The reality of most companies hoping to agg...
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Author: Juhani Connolly,
2012-07-09, 07:51
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Re: File channel performance on a single disk is poor - Flume - [mail # user]
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...Hi, thanks for your input. On 07/09/2012 02:42 PM, Arvind Prabhakar wrote: This does sound a lot better to me. I'm not sure if there is much demand for restoring the state ...
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Author: Juhani Connolly,
2012-07-09, 06:14
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[FLUME-981] Unify sink failure behavior, throwing EventDeliveryException - Flume - [issue]
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...With FLUME-865 committed, for failover SinkProcessor and other future processors to work properly, it is expected that they throw EventDeliveryException once they are no longer able to...
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http://issues.apache.org/jira/browse/FLUME-981
Author: Juhani Connolly,
2012-07-09, 03:57
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Re: File channel performance on a single disk is poor - Flume - [mail # user]
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...It looks good to me as it provides a nice balance between reliability and throughput. It's certainly one possible solution to the issue, though I do believe that the curren...
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Author: Juhani Connolly,
2012-07-04, 10:33
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Re: File channel performance on a single disk is poor - Flume - [mail # user]
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...Yes... I was actually poking around for that issue as I remembered seeing it before. I had before also suggested a compound channel that would have worked like the buffer s...
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Author: Juhani Connolly,
2012-07-04, 09:13
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File channel performance on a single disk is poor - Flume - [mail # user]
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...Evaluating flume on some of our servers, the file channel seems very slow, likely because like most typical web servers ours have a single raided disk available for writing to. &...
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Author: Juhani Connolly,
2012-07-04, 07:07
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Re: HOW TO USE %Y%m%d ESCAPE SEQUENCE IN FLUME-NG - Flume - [mail # user]
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...To use the date related escape sequences you need to provide a timestamp header. The easiest way to do this would be configuring a timestamp interceptor onto your source, o...
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Author: Juhani Connolly,
2012-07-04, 02:19
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[FLUME-1246] FileChannel hangs silently when Hadoop libs not found - Flume - [issue]
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...FileChannels Event implementation uses Hadoop IO's Writable for serialization. Without it a class loader error is thrown but never caught and logged killing the thread invisibly. This repeat...
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http://issues.apache.org/jira/browse/FLUME-1246
Author: Juhani Connolly,
2012-06-19, 03:18
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