googleapis / googleapis/google-cloud-java
[java-spanner] custom WatchdogProvider executor service
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api: spanner
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Description
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
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