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googleapis / java-spanner

Apache License 2.0
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custom WatchdogProvider executor service #2622

Open VladyslavOsnovin opened 1 year ago

VladyslavOsnovin commented 1 year ago

Hi. It was found that we have one "Cloud-Spanner-WatchdogProvider-0" thread per Spanner service For example we have around 180 clients = 180 instance of spanner and such threads. 1 thread approximately takes 1 mb off-heap memory so, these threads consume resources. Previously we have similar problem with Cloud-Spanner-TransportChannel, but there is a possibility to set a custom executor while creating spanner service. Is there possibility to provide custom executor for watchdog provider? Currently I don't see such possibility.

Environment details Java version: 8 Spanner Java Library Version: 6.38.2

surbhigarg92 commented 10 months ago

@arpan14 Can you please help triage this issue.