lostluck commented on code in PR #22196:
URL: https://github.com/apache/beam/pull/22196#discussion_r916984079
##########
sdks/go/pkg/beam/core/runtime/harness/init/init.go:
##########
@@ -88,10 +90,24 @@ func hook() {
runtime.GlobalOptions.Import(opt.Options)
}
+ // Since Init() is hijacking main, it's appropriate to do as main
+ // does, and establish the background context here.
+ // We produce a cancelFn here so runs in Loopback mode and similar can
clean up
+ // any leftover goroutines.
+ ctx, cancelFn := context.WithCancel(context.Background())
+ defer cancelFn()
+ ctx = grpcx.WriteWorkerID(ctx, *id)
defer func() {
if r := recover(); r != nil {
fmt.Fprintf(os.Stderr, "Worker panic: %v\n", r)
debug.PrintStack()
+ log.Warnf(ctx, "Worker panic detected: %v", r)
+
+ if tempLocation :=
beam.PipelineOptions.Get("temp_location"); tempLocation != "" {
+ log.Warnf(ctx, "Capturing heap dump")
+ harness.UploadHeapDump(ctx,
fmt.Sprintf("%v/heapDumps/dump-%d", strings.TrimSuffix(tempLocation, "/"),
time.Now().Unix()))
Review Comment:
Please also use the worker-id `*id` and not just the time.
##########
sdks/go/pkg/beam/runners/dataflow/dataflow.go:
##########
@@ -117,18 +117,19 @@ var flagFilter = map[string]bool{
"network": true,
"subnetwork": true,
"no_use_public_ips": true,
- "temp_location": true,
- "template_location": true,
- "worker_machine_type": true,
- "min_cpu_platform": true,
- "dataflow_worker_jar": true,
- "worker_region": true,
- "worker_zone": true,
- "teardown_policy": true,
- "cpu_profiling": true,
- "session_recording": true,
- "update": true,
- "transform_name_mapping": true,
+ // Don't filter temp_location since we need this included in
PipelineOptions to correctly upload heap dumps.
+ // "temp_location": true,
Review Comment:
I'd remove this line entirely, but still have a comment about it somewhere.
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