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Vmxm custom multiplex delay #350

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Vmxm custom multiplex delay #350

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9b4d076
custom delay option
amyjaynethompson Mar 16, 2026
0052363
tidy
amyjaynethompson Mar 18, 2026
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38 changes: 28 additions & 10 deletions src/dlstbx/services/trigger.py
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Original file line number Diff line number Diff line change
Expand Up @@ -215,9 +215,15 @@ class MultiplexParameters(pydantic.BaseModel):
spacegroup: Optional[str] = None
automatic: Optional[bool] = False
comment: Optional[str] = None
backoff_delay: float = pydantic.Field(default=8, alias="backoff-delay")
backoff_max_try: int = pydantic.Field(default=10, alias="backoff-max-try")
backoff_multiplier: float = pydantic.Field(default=2, alias="backoff-multiplier")
backoff_delay: Dict[str, float] = pydantic.Field(
default={"default": 8}, alias="backoff-delay"
)
backoff_max_try: Dict[str, int] = pydantic.Field(
default={"default": 10}, alias="backoff-max-try"
)
backoff_multiplier: Dict[str, float] = pydantic.Field(
default={"default": 2}, alias="backoff-multiplier"
)
wavelength_tolerance: float = pydantic.Field(default=1e-4, ge=0)
diffraction_plan_info: Optional[DiffractionPlanInfo] = None
recipe: Optional[str] = None
Expand Down Expand Up @@ -1785,9 +1791,9 @@ def trigger_multiplex(
"name": "sample_bar",
}
],
"backoff-delay": 8, # default
"backoff-max-try": 10, # default
"backoff-multiplier": 2, # default
"backoff-delay": {'default': 8}
"backoff-max-try": {'default': 10, 'i02-1': 7}
"backoff-multiplier": {'default': 2}
}
"""
dcid = parameters.dcid
Expand Down Expand Up @@ -1870,14 +1876,26 @@ def trigger_multiplex(
# Calculate message delay for exponential backoff in case a processing
# program for a related data collection is still running, in which case
# we checkpoint with the calculated message delay
backoff_delay = parameters.backoff_delay.get(
parameters.beamline, parameters.backoff_delay["default"]
)
backoff_multiplier = parameters.backoff_multiplier.get(
parameters.beamline, parameters.backoff_multiplier["default"]
)
backoff_max_try = parameters.backoff_max_try.get(
parameters.beamline, parameters.backoff_max_try["default"]
)

self.log.debug(
f"Using backoff parameters: delay {backoff_delay}, multiplier {backoff_multiplier}, max_try {backoff_max_try}"
)

status = {
"ntry": 0,
}
if isinstance(message, dict):
status.update(message.get("trigger-status", {}))
message_delay = int(
parameters.backoff_delay * parameters.backoff_multiplier ** status["ntry"]
)
message_delay = int(backoff_delay * backoff_multiplier ** status["ntry"])
status["ntry"] += 1
self.log.debug(f"dcid={dcid}\nmessage_delay={message_delay}\n{status}")

Expand Down Expand Up @@ -1934,7 +1952,7 @@ def trigger_multiplex(
row.AutoProcProgram.autoProcProgramId
for row in waiting_processing_jobs
]
if status["ntry"] >= parameters.backoff_max_try:
if status["ntry"] >= backoff_max_try:
# Give up waiting for this program to finish and trigger
# multiplex with remaining related results are available
self.log.info(
Expand Down