ascherbakoff commented on code in PR #2720:
URL: https://github.com/apache/ignite-3/pull/2720#discussion_r1421721404
##########
modules/table/src/main/java/org/apache/ignite/internal/table/distributed/storage/InternalTableImpl.java:
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@@ -465,25 +472,31 @@ private <R> CompletableFuture<R> enlistWithRetry(
Function<Long, ReplicaRequest> mapFunc,
int attempts,
boolean full,
- @Nullable BiPredicate<R, ReplicaRequest> noWriteChecker
+ @Nullable BiPredicate<R, ReplicaRequest> noWriteChecker,
+ boolean retryOnLockConflict
) {
- return enlist(partId, tx)
- .thenCompose(primaryReplicaAndTerm -> trackingInvoke(tx,
partId, mapFunc, full, primaryReplicaAndTerm, noWriteChecker))
- .handle((response, e) -> {
- if (e == null) {
- return completedFuture(response);
- }
+ return (CompletableFuture<R>) enlist(partId, tx)
+ .thenCompose(primaryReplicaAndTerm -> trackingInvoke(tx,
partId, mapFunc, full, primaryReplicaAndTerm, noWriteChecker,
+ retryOnLockConflict))
+ .handle((res0, e) -> {
+ if (e != null) {
+ // We can safely retry indefinitely on deadlock
prevention.
+ if (retryOnLockConflict && e.getCause() instanceof
LockException) {
+ return enlistWithRetry(tx, partId, mapFunc,
attempts, full, noWriteChecker, true);
Review Comment:
We can indefinitely retry on lock exception - this is safe because of
wait-die deadlock prevention properties.
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