bharathv commented on a change in pull request #2440:
URL: https://github.com/apache/hbase/pull/2440#discussion_r493099034
##########
File path:
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/wal/MetricsWAL.java
##########
@@ -58,9 +59,10 @@ public void postSync(final long timeInNanos, final int
handlerSyncs) {
@Override
public void postAppend(final long size, final long time, final WALKey logkey,
final WALEdit logEdit) throws IOException {
- source.incrementAppendCount();
+ TableName tableName = logkey.getTableName();
Review comment:
Don't think it's optional (the test I fixed seems like an outlier). At
least the protobuf based WAL implementation mandates the table name to be a
required field and there are multiple other places in the code (like
replication tailing etc) that assume a non-null table name.
```
message WALKey {
required bytes encoded_region_name = 1;
required bytes table_name = 2;
```
Wish there is a better way to enforce it but using (non)nullable annotations
is not a common practice in HBase code.
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