Michael Dürig created OAK-5192:
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Summary: Reduce Lucene related growth of repository size
Key: OAK-5192
URL: https://issues.apache.org/jira/browse/OAK-5192
Project: Jackrabbit Oak
Issue Type: Improvement
Components: lucene, segment-tar
Reporter: Michael Dürig
I observed Lucene indexing contributing to up to 99% of repository growth.
While the size of the index itself is well inside reasonable bounds, the
overall turnover of data being written and removed again can be as much as 99%.
In the case of the TarMK this negatively impacts overall system performance due
to fast growing number of tar files / segments, bad locality of reference,
cache misses/thrashing when looking up segments and vastly prolonged garbage
collection cycles.
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