Chetan Mehrotra created OAK-2624:
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Summary: Move out non essential task processing from
DoucmentNodeStore background thread processing
Key: OAK-2624
URL: https://issues.apache.org/jira/browse/OAK-2624
Project: Jackrabbit Oak
Issue Type: Improvement
Components: mongomk
Reporter: Chetan Mehrotra
Fix For: 1.2
The {{DocumentNodeStore background thread}} handles quite a few task currently
like
# Clean orphaned branches
# Clean collisions
# Split documents
# Background write - write back pending updates to _lastRev
# Detect change in head revision from backend
# Cache invalidation
# Revision Comparator purge
The background operation is scheduled to be performed every second (1s
frequency). However at times some of the above task take more time which delay
in picking up the changes from backend. For quick propagation of changes in
cluster it is essential that work done in background thread is performed
quickly. To enable that we should move out task which are not directly related
to _head revision change_ like splitDocument.
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