apurtell commented on a change in pull request #390: HBASE-22623 - Add
RegionObserver coprocessor hook for preWALAppend
URL: https://github.com/apache/hbase/pull/390#discussion_r312652795
##########
File path:
hbase-server/src/main/java/org/apache/hadoop/hbase/coprocessor/RegionObserver.java
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@@ -1104,4 +1104,16 @@ default DeleteTracker postInstantiateDeleteTracker(
throws IOException {
return delTracker;
}
+
+ /**
+ * Called just before the WAL Entry is appended to the WAL. Implementing
this hook allows
+ * coprocessors to add extended attributes to the WALKey that then get
persisted to the
Review comment:
WALKey is no longer read only. You can get and set extended attributes after
HBASE-22622 WALKey Extended Attributes (#352)
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