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https://reviews.apache.org/r/49635/
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Review request for Ambari, Oliver Szabo, Robert Nettleton, and Sumit Mohanty.


Bugs: AMBARI-17561
    https://issues.apache.org/jira/browse/AMBARI-17561


Repository: ambari


Description
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Enable simulating input files in a configurable way. The parameters has to be 
set at custom logfeeder.properties

Available parameters:
logfeeder.simulate.input_number - number of paralell inputs (threads) loading 
the logs, if it is set and not 0 then all the rest of the configured inputs are 
ignored (running in simulation mode)!!

logfeeder.simulate.log_ids - comma separated list of the log ids to propagate 
at random, if not set by default all the available logs are propagated at random

logfeeder.simulate.log_level - the level of the simulated log messages, by 
default WARN

logfeeder.simulate.log_message_size - the length of the simulated log messages, 
can't be less then 50 due to log message prefix, the rest is filled with 'X' 
characters

logfeeder.simulate.sleep_milliseconds - the time interval at which each 
simulated inputs writes one log message at random

The text of the log message is like this:
Simulated log message for testing, line 00000001 XXXXXXXXXXXXXXXXXXXXXXXXXX


Diffs
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ambari-logsearch/ambari-logsearch-logfeeder/src/main/java/org/apache/ambari/logfeeder/LogFeeder.java
 88a6737 
  
ambari-logsearch/ambari-logsearch-logfeeder/src/main/java/org/apache/ambari/logfeeder/input/InputSimulate.java
 PRE-CREATION 
  
ambari-logsearch/ambari-logsearch-logfeeder/src/main/resources/alias_config.json
 978f581 

Diff: https://reviews.apache.org/r/49635/diff/


Testing
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Tested on local cluster.


Thanks,

Miklos Gergely

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