You might be missing an index. See Query engine.
You are accessing a Session
instance concurrently from multiple threads. Session instances are not thread safe. Enabling DEBUG
logging for SessionDelegate
provides stack traces for both sessions involved. Note: this should be used for debugging only as it has a major impact on system performance.
You need to setup a regular job for compacting the segments.
Debugging merge conflict errors is now possible by enabling DEBUG
logs on org.apache.jackrabbit.oak.plugins.commit.MergingNodeStateDiff
and org.apache.jackrabbit.oak.plugins.commit.ConflictValidator
. This option is available via OAK-3057 since Oak 1.0.17, 1.2.3, 1.3.3.
See the dedicated FAQ
Search the Oak dev list and the Oak issue tracker. If you still can't find an answer ask on the list.