goiri commented on code in PR #4561:
URL: https://github.com/apache/hadoop/pull/4561#discussion_r920606905
##########
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/qjournal/client/IPCLoggerChannel.java:
##########
@@ -394,46 +361,43 @@ public ListenableFuture<Void> sendEdits(
ListenableFuture<Void> ret = null;
try {
- ret = singleThreadExecutor.submit(new Callable<Void>() {
- @Override
- public Void call() throws IOException {
- throwIfOutOfSync();
-
- long rpcSendTimeNanos = System.nanoTime();
- try {
- getProxy().journal(createReqInfo(),
- segmentTxId, firstTxnId, numTxns, data);
- } catch (IOException e) {
- QuorumJournalManager.LOG.warn(
- "Remote journal " + IPCLoggerChannel.this + " failed to " +
- "write txns " + firstTxnId + "-" + (firstTxnId + numTxns - 1) +
- ". Will try to write to this JN again after the next " +
- "log roll.", e);
- synchronized (IPCLoggerChannel.this) {
- outOfSync = true;
- }
- throw e;
- } finally {
- long now = System.nanoTime();
- long rpcTime = TimeUnit.MICROSECONDS.convert(
- now - rpcSendTimeNanos, TimeUnit.NANOSECONDS);
- long endToEndTime = TimeUnit.MICROSECONDS.convert(
- now - submitNanos, TimeUnit.NANOSECONDS);
- metrics.addWriteEndToEndLatency(endToEndTime);
- metrics.addWriteRpcLatency(rpcTime);
- if (rpcTime / 1000 > WARN_JOURNAL_MILLIS_THRESHOLD) {
- QuorumJournalManager.LOG.warn(
- "Took " + (rpcTime / 1000) + "ms to send a batch of " +
- numTxns + " edits (" + data.length + " bytes) to " +
- "remote journal " + IPCLoggerChannel.this);
- }
- }
+ ret = singleThreadExecutor.submit(() -> {
+ throwIfOutOfSync();
+
+ long rpcSendTimeNanos = System.nanoTime();
+ try {
+ getProxy().journal(createReqInfo(),
+ segmentTxId, firstTxnId, numTxns, data);
+ } catch (IOException e) {
+ QuorumJournalManager.LOG.warn(
Review Comment:
Use {}
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