shunping commented on code in PR #36142:
URL: https://github.com/apache/beam/pull/36142#discussion_r2346926149
##########
sdks/go/pkg/beam/runners/prism/internal/engine/elementmanager.go:
##########
@@ -892,70 +892,72 @@ func (em *ElementManager) PersistBundle(rb RunBundle,
col2Coders map[string]PCol
// Clear out the inprogress elements associated with the completed
bundle.
// Must be done after adding the new pending elements to avoid an
incorrect
// watermark advancement.
- stage.mu.Lock()
- completed := stage.inprogress[rb.BundleID]
- em.addPending(-len(completed.es))
- delete(stage.inprogress, rb.BundleID)
- for k := range stage.inprogressKeysByBundle[rb.BundleID] {
- delete(stage.inprogressKeys, k)
- }
- delete(stage.inprogressKeysByBundle, rb.BundleID)
-
- // Adjust holds as needed.
- for h, c := range newHolds {
- if c > 0 {
- stage.watermarkHolds.Add(h, c)
- } else if c < 0 {
- stage.watermarkHolds.Drop(h, -c)
+ func() {
Review Comment:
Move everything before `em.markChangedAndClearBundle` into an anonymous
function and call defer in it. In this case, even if there is any exception or
panic happens in this code (e.g. waitgroup negative count due to a some
mistake), the runner won't be deadlocked.
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: github-unsubscr...@beam.apache.org
For queries about this service, please contact Infrastructure at:
us...@infra.apache.org
