Andrew Onischuk created AMBARI-11558:
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Summary: Ooozie start takes too long
Key: AMBARI-11558
URL: https://issues.apache.org/jira/browse/AMBARI-11558
Project: Ambari
Issue Type: Bug
Reporter: Andrew Onischuk
Assignee: Andrew Onischuk
Fix For: 2.1.0
Currently Oozie Start task takes ~3 minutes. Which includes some time-
expensive actions like:
1\. Extracting a big tar archive
2\. Execute prepare-war fom it
3\. Checking for hdfs directory via hadoop binary.
1 and 2 can be avoid on the non-first starts, by saving checksum of archive
which was extracted, and not re-extracting it unless the checksum changed, or
the unextracted folder is gone.
3 can benefit from using fast WebHDFS calls.
**As a result for me for non-first Oozie start this reduced time of start from
180 seconds to 13-30 seconds.**
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