saintstack 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_r312599675
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File path: hbase-server/src/main/java/org/apache/hadoop/hbase/wal/WALKey.java
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@@ -86,6 +85,13 @@ default long getNonce() {
*/
long getOrigLogSeqNum();
+ /**
+ * Add a named String value to this WALKey to be persisted into the WAL
+ * @param attributeKey Name of the attribute
+ * @param attributeValue Value of the attribute
+ */
+ void addExtendedAttribute(String attributeKey, byte[] attributeValue);
Review comment:
Oh, so WALKey goes from being read-only to now carrying burden? WALEdit is
for freight?
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