mukul1987 commented on a change in pull request #1226: HDDS-1610.
applyTransaction failure should not be lost on restart.
URL: https://github.com/apache/hadoop/pull/1226#discussion_r311190425
##########
File path:
hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/common/transport/server/ratis/ContainerStateMachine.java
##########
@@ -674,30 +674,54 @@ public void notifyIndexUpdate(long term, long index) {
if (cmdType == Type.WriteChunk || cmdType ==Type.PutSmallFile) {
builder.setCreateContainerSet(createContainerSet);
}
+ CompletableFuture<Message> applyTransactionFuture =
+ new CompletableFuture<>();
// Ensure the command gets executed in a separate thread than
// stateMachineUpdater thread which is calling applyTransaction here.
- CompletableFuture<Message> future = CompletableFuture
- .supplyAsync(() -> runCommand(requestProto, builder.build()),
+ CompletableFuture<ContainerCommandResponseProto> future =
+ CompletableFuture.supplyAsync(
+ () -> runCommandGetResponse(requestProto, builder.build()),
getCommandExecutor(requestProto));
-
- future.thenAccept(m -> {
+ future.thenApply(r -> {
if (trx.getServerRole() == RaftPeerRole.LEADER) {
long startTime = (long) trx.getStateMachineContext();
metrics.incPipelineLatency(cmdType,
Time.monotonicNowNanos() - startTime);
}
-
- final Long previous =
- applyTransactionCompletionMap
- .put(index, trx.getLogEntry().getTerm());
- Preconditions.checkState(previous == null);
- if (cmdType == Type.WriteChunk || cmdType == Type.PutSmallFile) {
- metrics.incNumBytesCommittedCount(
+ if (r.getResult() != ContainerProtos.Result.SUCCESS) {
+ StorageContainerException sce =
+ new StorageContainerException(r.getMessage(), r.getResult());
+ LOG.error(gid + ": ApplyTransaction failed: cmd " + r.getCmdType()
Review comment:
lets convert this to parameterized logging.
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