some output of gitlab-ctl tail :
==> /var/log/gitlab/gitaly/current <==
{“correlation_id”:“pZfLQUcvLg”,“grpc.code”:“OK”,“grpc.meta.auth_version”:“v2”,“grpc.meta.client_name”:“gitlab-web”,“grpc.method”:“RepositoryExists”,“grpc.request.deadline”:“2020-02-21T03:54:09Z”,“grpc.request.fullMethod”:"/gitaly.RepositoryService/RepositoryExists",“grpc.request.glProjectPath”:“spiderx/bpm”,“grpc.request.glRepository”:“project-12”,“grpc.request.repoPath”:"@hashed/6b/51/6b51d431df5d7f141cbececcf79edf3dd861c3b4069f0b11661a3eefacbba918.git",“grpc.request.repoStorage”:“default”,“grpc.request.topLevelGroup”:"@hashed",“grpc.service”:“gitaly.RepositoryService”,“grpc.start_time”:“2020-02-21T03:53:59Z”,“grpc.time_ms”:0.049,“level”:“info”,“msg”:“finished unary call with code OK”,“peer.address”:"@",“pid”:2179,“span.kind”:“server”,“system”:“grpc”,“time”:“2020-02-21T03:53:59Z”}
{“correlation_id”:“pZfLQUcvLg”,“error”:“rpc error: code = Internal desc = exit status 128”,“grpc.code”:“Internal”,“grpc.meta.auth_version”:“v2”,“grpc.meta.client_name”:“gitlab-web”,“grpc.method”:“FindDefaultBranchName”,“grpc.request.deadline”:“2020-02-21T03:54:09Z”,“grpc.request.fullMethod”:"/gitaly.RefService/FindDefaultBranchName",“grpc.request.glProjectPath”:“spiderx/shop”,“grpc.request.glRepository”:“project-15”,“grpc.request.repoPath”:"@hashed/e6/29/e629fa6598d732768f7c726b4b621285f9c3b85303900aa912017db7617d8bdb.git",“grpc.request.repoStorage”:“default”,“grpc.request.topLevelGroup”:"@hashed",“grpc.service”:“gitaly.RefService”,“grpc.start_time”:“2020-02-21T03:53:59Z”,“grpc.time_ms”:1.292,“level”:“error”,“msg”:“finished unary call with code Internal”,“peer.address”:"@",“pid”:2179,“span.kind”:“server”,“system”:“grpc”,“time”:“2020-02-21T03:53:59Z”}
{“correlation_id”:“pZfLQUcvLg”,“grpc.meta.auth_version”:“v2”,“grpc.meta.client_name”:“gitlab-web”,“grpc.method”:“FindDefaultBranchName”,“grpc.request.deadline”:“2020-02-21T03:54:09Z”,“grpc.request.fullMethod”:"/gitaly.RefService/FindDefaultBranchName",“grpc.request.glProjectPath”:“spiderx/shop”,“grpc.request.glRepository”:“project-15”,“grpc.request.repoPath”:"@hashed/e6/29/e629fa6598d732768f7c726b4b621285f9c3b85303900aa912017db7617d8bdb.git",“grpc.request.repoStorage”:“default”,“grpc.request.topLevelGroup”:"@hashed",“grpc.service”:“gitaly.RefService”,“grpc.start_time”:“2020-02-21T03:53:59Z”,“level”:“error”,“msg”:“fatal: not a git repository: ‘/var/opt/gitlab/git-data/repositories/@hashed/e6/29/e629fa6598d732768f7c726b4b621285f9c3b85303900aa912017db7617d8bdb.git’\n”,“peer.address”:"@",“pid”:2179,“span.kind”:“server”,“system”:“grpc”,“time”:“2020-02-21T03:53:59Z”}