SymptomType represents the different types of Symptoms that a
TPU can be at.
Values:
SYMPTOM_TYPE_UNSPECIFIED (0):
Unspecified symptom.
LOW_MEMORY (1):
TPU VM memory is low.
OUT_OF_MEMORY (2):
TPU runtime is out of memory.
EXECUTE_TIMED_OUT (3):
TPU runtime execution has timed out.
MESH_BUILD_FAIL (4):
TPU runtime fails to construct a mesh that
recognizes each TPU device's neighbors.
HBM_OUT_OF_MEMORY (5):
TPU HBM is out of memory.
PROJECT_ABUSE (6):
Abusive behaviors have been identified on the
current project.