mirror of https://github.com/grpc/grpc-java.git
e8066ccf4a
This PR tries to improve observability of xDS workflow for some extent. Users can configure Java logger `io.grpc.xds` (or `io.grpc.xds.XdsLogger`) level to enable different verbosities of log messages. Verbosity of logging: - FINE: mostly nothing useless there is something abnormal happens such xDS RPC stream closed. - FINER: informative log messages showing the main xDS workflow happening under the hood. - FINEST: verbose log messages for debugging purposes, original RPC messages and data types are printed. |
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