Author: mreutegg
Date: Wed Jan 16 07:52:20 2019
New Revision: 1851419
URL: http://svn.apache.org/viewvc?rev=1851419&view=rev
Log:
OAK-7974: Detailed merge metrics
Document new metrics
Modified:
jackrabbit/oak/trunk/oak-doc/src/site/markdown/nodestore/document/metrics.md
Modified:
jackrabbit/oak/trunk/oak-doc/src/site/markdown/nodestore/document/metrics.md
URL:
http://svn.apache.org/viewvc/jackrabbit/oak/trunk/oak-doc/src/site/markdown/nodestore/document/metrics.md?rev=1851419&r1=1851418&r2=1851419&view=diff
==============================================================================
---
jackrabbit/oak/trunk/oak-doc/src/site/markdown/nodestore/document/metrics.md
(original)
+++
jackrabbit/oak/trunk/oak-doc/src/site/markdown/nodestore/document/metrics.md
Wed Jan 16 07:52:20 2019
@@ -115,9 +115,14 @@ DOCUMENT_NS_BGW_SWEEP | The time it take
DOCUMENT_NS_BGW_TOTAL_TIME | The total time of a background write operation.
DOCUMENT_NS_LEASE_UPDATE | The time it takes to update the lease.
DOCUMENT_NS_MERGE_SUCCESS_TIME | The time it takes a successful merge to
complete. This does not include merge attempts that failed.
+DOCUMENT_NS_HEAD_OF_QUEUE_WAIT_TIME | The time a merge had to wait in the
commit queue until it was the head of the queue and could proceed.
+DOCUMENT_NS_MERGE_SUSPEND_TIME | The time a merge was suspended due to a
conflicting write on another cluster node.
+DOCUMENT_NS_MERGE_LOCK_TIME | The time it took to acquire the merge lock.
+DOCUMENT_NS_MERGE_COMMIT_HOOK_TIME | The time it took to run the commit hook
on the changes to merge.
+DOCUMENT_NS_MERGE_CHANGES_APPLIED_TIME | The time it took to apply the changes
to the DocumentStore.
-> Note: Oak tracks the duration for above timers at millisecond accuracy, but
-tools may translate the duration percentiles to different units.
+> Note: Oak tracks the duration for above timers at millisecond or microsecond
+accuracy, but tools may translate the duration percentiles to different units.
If a `DocumentNodeStore` is configured with persistent caches, then the
following Meters are available: