keith-turner commented on code in PR #5263:
URL: https://github.com/apache/accumulo/pull/5263#discussion_r1920697167
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core/src/main/java/org/apache/accumulo/core/fate/Fate.java:
##########
@@ -198,55 +210,62 @@ private Optional<FateTxStore<T>> reserveFateTx() throws
InterruptedException {
@Override
public void run() {
- while (keepRunning.get()) {
- FateTxStore<T> txStore = null;
- ExecutionState state = new ExecutionState();
- try {
- var optionalopStore = reserveFateTx();
- if (optionalopStore.isPresent()) {
- txStore = optionalopStore.orElseThrow();
- } else {
- continue;
- }
- state.status = txStore.getStatus();
- state.op = txStore.top();
- if (state.status == FAILED_IN_PROGRESS) {
- processFailed(txStore, state.op);
- } else if (state.status == SUBMITTED || state.status == IN_PROGRESS)
{
- try {
- execute(txStore, state);
- if (state.op != null && state.deferTime != 0) {
- // The current op is not ready to execute
- continue;
- }
- } catch (StackOverflowException e) {
- // the op that failed to push onto the stack was never executed,
so no need to undo
- // it just transition to failed and undo the ops that executed
- transitionToFailed(txStore, e);
- continue;
- } catch (Exception e) {
- blockIfHadoopShutdown(txStore.getID(), e);
- transitionToFailed(txStore, e);
+ runningTxRunners.add(this);
+ try {
+ while (keepRunning.get() && !stop.get()) {
+ FateTxStore<T> txStore = null;
+ ExecutionState state = new ExecutionState();
+ try {
+ var optionalopStore = reserveFateTx();
+ if (optionalopStore.isPresent()) {
+ txStore = optionalopStore.orElseThrow();
+ } else {
continue;
}
+ state.status = txStore.getStatus();
+ state.op = txStore.top();
+ if (state.status == FAILED_IN_PROGRESS) {
+ processFailed(txStore, state.op);
+ } else if (state.status == SUBMITTED || state.status ==
IN_PROGRESS) {
+ try {
+ execute(txStore, state);
+ if (state.op != null && state.deferTime != 0) {
+ // The current op is not ready to execute
+ continue;
+ }
+ } catch (StackOverflowException e) {
+ // the op that failed to push onto the stack was never
executed, so no need to undo
+ // it just transition to failed and undo the ops that executed
+ transitionToFailed(txStore, e);
+ continue;
+ } catch (Exception e) {
+ blockIfHadoopShutdown(txStore.getID(), e);
+ transitionToFailed(txStore, e);
+ continue;
+ }
- if (state.op == null) {
- // transaction is finished
- String ret = state.prevOp.getReturn();
- if (ret != null) {
- txStore.setTransactionInfo(TxInfo.RETURN_VALUE, ret);
+ if (state.op == null) {
+ // transaction is finished
+ String ret = state.prevOp.getReturn();
+ if (ret != null) {
+ txStore.setTransactionInfo(TxInfo.RETURN_VALUE, ret);
+ }
+ txStore.setStatus(SUCCESSFUL);
+ doCleanUp(txStore);
}
- txStore.setStatus(SUCCESSFUL);
- doCleanUp(txStore);
}
- }
- } catch (Exception e) {
- runnerLog.error("Uncaught exception in FATE runner thread.", e);
- } finally {
- if (txStore != null) {
- txStore.unreserve(Duration.ofMillis(state.deferTime));
+ } catch (Exception e) {
+ runnerLog.error("Uncaught exception in FATE runner thread.", e);
+ } finally {
+ if (txStore != null) {
+ txStore.unreserve(Duration.ofMillis(state.deferTime));
+ }
}
}
+ } finally {
+ log.trace("A TransactionRunner is exiting...");
+ Preconditions.checkState(exited.compareAndSet(false, true));
Review Comment:
Seems like the exited atomic boolean could be removed as its not being used.
Removing this from runningTxRunners in this finally is doing what exited was
intended for.
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