Mark Payne created NIFI-527:
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Summary: Persistent Prov Repo should compress write-ahead-log
files in chunks
Key: NIFI-527
URL: https://issues.apache.org/jira/browse/NIFI-527
Project: Apache NiFi
Issue Type: Bug
Components: Extensions
Reporter: Mark Payne
Assignee: Mark Payne
Currently when we rollover a prov log, we compress the entire thing. This means
that when we want to jump to a particular offset we have to open a
GZIPInputStream and read through all of the data. If we instead compress the
logs in chunks, we can actually jump to a particular chunk using
FileInputStream.skip and then open a GZIPInputStream from there. Currently,
this is by far the biggest bottleneck in the prov repo when doing queries.
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