package diagnosticspb

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Diagnostics service for TiDB cluster components.

• rpc search_log (SearchLogRequest, stream SearchLogResponse)

  diagnosticspb.proto:19

  Searchs log in the target node

  message SearchLogRequest

  diagnosticspb.proto:34

  • int64 start_time = 1

  • int64 end_time = 2

  • repeated LogLevel levels = 3

  • repeated string patterns = 4

    We use a string array to represent multiple CNF pattern sceniaor like: SELECT * FROM t WHERE c LIKE '%s%' and c REGEXP '.*a.*' because Golang and Rust don't support perl-like (?=re1)(?=re2)

  • SearchLogRequest.Target target = 5

  message SearchLogResponse

  diagnosticspb.proto:49

  • repeated LogMessage messages = 1

• rpc server_info (ServerInfoRequest, ServerInfoResponse)

  diagnosticspb.proto:21

  Retrieves server info in the target node

  message ServerInfoRequest

  diagnosticspb.proto:66

  • ServerInfoType tp = 1

  message ServerInfoResponse

  diagnosticspb.proto:92

  • repeated ServerInfoItem items = 1

Used in: LogMessage, SearchLogRequest

• UNKNOWN = 0

• Debug = 1

• Info = 2

• Warn = 3

• Trace = 4

• Critical = 5

• Error = 6

Used in: SearchLogResponse

• int64 time = 1

• LogLevel level = 2

• string message = 3

Used in: SearchLogRequest

• Normal = 0

• Slow = 1

Used in: ServerInfoResponse

• string tp = 1

  cpu, memory, disk, network ...

• string name = 2

  eg. network: lo1/eth0, cpu: core1/core2, disk: sda1/sda2

• repeated ServerInfoPair pairs = 3

  all key-value pairs for specified item, e.g: ServerInfoItem { tp = "network" name = "eth0" paris = [ ServerInfoPair { key = "readbytes", value = "4k"}, ServerInfoPair { key = "writebytes", value = "1k"}, ] }

Used in: ServerInfoItem

• string key = 1

• string value = 2

Used in: ServerInfoRequest

• All = 0

• HardwareInfo = 1

• SystemInfo = 2

• LoadInfo = 3