liferoad commented on code in PR #36528:
URL: https://github.com/apache/beam/pull/36528#discussion_r2481627059
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sdks/python/apache_beam/runners/worker/channel_factory.py:
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@@ -23,8 +23,24 @@
class GRPCChannelFactory(grpc.StreamStreamClientInterceptor):
DEFAULT_OPTIONS = [
- ("grpc.keepalive_time_ms", 20000),
- ("grpc.keepalive_timeout_ms", 300000),
+ # Default: 30000ms (30s), increased to 180s to reduce ping frequency
+ ("grpc.keepalive_time_ms", 180000),
+ # Default: 5000ms (5s), increased to 10 minutes for stability
+ ("grpc.keepalive_timeout_ms", 600000),
+ # Default: 2, set to 0 to allow unlimited pings without data
+ ("grpc.http2.max_pings_without_data", 0),
Review Comment:
Thanks.
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