Xin

printing non-utf8 string from metadata crashes Envoy (when trace enabled)

2

*Title*: printing non-utf8 string from metadata crashes Envoy (when trace enabled) *Description*: envoy/http/metadata_interface.h seems assume that metadata K:V are in utf8 strings： ``` class MetadataMap : public UnorderedStringMap { public:...

[xds]: export discoveryReq/Resp resource count, payload size metrics to help understand network bandwidth cost of control plane.

4

*Title*: *export discoveryReq/Resp resource count, payload size metrics to help understand network bandwidth cost of control plane.* *Description*: export discoveryReq/Resp resource count, payload size metrics to help understand network bandwidth...

[delta-XDS] delta-XDS state tracking is broken when there is an exception thrown when watchmap loading the config.

5

*Title*: state tracking is broken when there is a partial accept *Description*: if there is a partial accept in Delta-XDS, i.e. route-table #50's loading throws an exception, out of 100...

add retry_policy to ext_proc filter

18

Commit Message: add retry_policy to ext_proc filter Additional Description: add an optional retry-policy to ext_proc filter, such that user can enable retry on some grpc-errors, e.g. connection errors. Risk Level:...