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syntax = "proto3";
package tensorflow;
option cc_enable_arenas = true;
option java_outer_classname = "EventProtos";
option java_multiple_files = true;
option java_package = "org.tensorflow.util";
import "tensorflow/core/framework/summary.proto";
// Protocol buffer representing an event that happened during
// the execution of a Brain model.
message Event {
// Timestamp of the event.
double wall_time = 1;
// Global step of the event.
int64 step = 2;
oneof what {
// An event file was started, with the specified version.
// This is use to identify the contents of the record IO files
// easily. Current version is "brain.Event:2". All versions
// start with "brain.Event:".
string file_version = 3;
// An encoded version of a GraphDef.
bytes graph_def = 4;
// A summary was generated.
Summary summary = 5;
// The user output a log message. Not all messages are logged, only ones
// generated via the Python tensorboard_logging module.
LogMessage log_message = 6;
// The state of the session which can be used for restarting after crashes.
SessionLog session_log = 7;
// The metadata returned by running a session.run() call.
TaggedRunMetadata tagged_run_metadata = 8;
// An encoded version of a MetaGraphDef.
bytes meta_graph_def = 9;
}
}
// Protocol buffer used for logging messages to the events file.
message LogMessage {
enum Level {
UNKNOWN = 0;
// Note: The logging level 10 cannot be named DEBUG. Some software
// projects compile their C/C++ code with -DDEBUG in debug builds. So the
// C++ code generated from this file should not have an identifier named
// DEBUG.
DEBUGGING = 10;
INFO = 20;
WARN = 30;
ERROR = 40;
FATAL = 50;
}
Level level = 1;
string message = 2;
}
// Protocol buffer used for logging session state.
message SessionLog {
enum SessionStatus {
STATUS_UNSPECIFIED = 0;
START = 1;
STOP = 2;
CHECKPOINT = 3;
}
SessionStatus status = 1;
// This checkpoint_path contains both the path and filename.
string checkpoint_path = 2;
string msg = 3;
}
// For logging the metadata output for a single session.run() call.
message TaggedRunMetadata {
// Tag name associated with this metadata.
string tag = 1;
// Byte-encoded version of the `RunMetadata` proto in order to allow lazy
// deserialization.
bytes run_metadata = 2;
}
// Worker heartbeat messages. Support for these operations is currently
// internal and expected to change.
// Current health status of a worker.
enum WorkerHealth {
OK = 0; // By default a worker is healthy.
RECEIVED_SHUTDOWN_SIGNAL = 1;
INTERNAL_ERROR = 2;
}
// Indicates the behavior of the worker when an internal error or shutdown
// signal is received.
enum WorkerShutdownMode {
DEFAULT = 0;
SHUTDOWN_IMMEDIATELY = 1;
WAIT_FOR_COORDINATOR = 2;
}
message WatchdogConfig {
int64 timeout_ms = 1;
}
message WorkerHeartbeatRequest {
WorkerShutdownMode shutdown_mode = 1;
WatchdogConfig watchdog_config = 2;
}
message WorkerHeartbeatResponse {
WorkerHealth health_status = 1;
repeated Event worker_log = 2;
string hostname = 3;
}
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