Rework task runners - #1226

Draft

mxsrc wants to merge 27 commits into

mainfrom

rework-task-runners

Commits on Sep 1, 2026

Consistently crash task runners on DB failure
mxsrc
committed
8590020
Unify task retry semantics
mxsrc
committed
f826847
Apply task lease consistently to all task runners
mxsrc
committed
e3eab64
Reclassify backup policy evaluation as service
mxsrc
committed
c623dca
Introduce generic task runner
mxsrc
committed
c1f00bd
Handover documents
mxsrc
committed
d7d1df7
Reset task result before each handler attempt
mxsrc
committed
95ab6a6
Migrate FDB backup runner onto the task runner
mxsrc
committed
8c6f005
Migrate JC compression resume runner onto the task runner
mxsrc
committed
0ff88ce
Migrate replication cutover runner onto the task runner
mxsrc
committed
adbe115
Migrate lvol sync runner onto the task runner
mxsrc
committed
20c7db0
Migrate backup and cluster expand runners onto the task runner
mxsrc
committed
674f35c
Migrate node add runner onto the task runner
mxsrc
committed
07d7c26
Update handover document
mxsrc
committed
f36e9b5
Commit task transitions by compare-and-set
mxsrc
committed
2cb4065
Revise plan for the upstream restart hardening
mxsrc
committed
7cb60ce
Cancel tasks by compare-and-set
mxsrc
committed
6047cd9
Cancel a node's tasks by compare-and-set on shutdown
mxsrc
committed
7eb22c9
Add handler checkpoints and a per-cycle hook to the task runner
mxsrc
committed
88ee3ac
Migrate restart runner onto the task runner
mxsrc
committed
d73ac0b
Update handover document
mxsrc
committed
cbe26df
Migrate the device migration runners onto the task runner
mxsrc
committed
5c45784
Migrate node removal and port allow runners onto the task runner
mxsrc
committed
bbb7e16
Update handover document
mxsrc
committed
9b7a27d
Report task failures through the task runner
mxsrc
committed
cd25850
Report an exhausted FDB backup through the task runner
mxsrc
committed
28ae18b
Add entrypoint for task runners
mxsrc
committed
6217485

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Rework task runners - #1226

Rework task runners#1226
mxsrc wants to merge 27 commits into
mainfrom
rework-task-runners

Commits on Sep 1, 2026

Consistently crash task runners on DB failure

Unify task retry semantics

Apply task lease consistently to all task runners

Reclassify backup policy evaluation as service

Introduce generic task runner

Handover documents

Reset task result before each handler attempt

Migrate FDB backup runner onto the task runner

Migrate JC compression resume runner onto the task runner

Migrate replication cutover runner onto the task runner

Migrate lvol sync runner onto the task runner

Migrate backup and cluster expand runners onto the task runner

Migrate node add runner onto the task runner

Update handover document

Commit task transitions by compare-and-set

Revise plan for the upstream restart hardening

Cancel tasks by compare-and-set

Cancel a node's tasks by compare-and-set on shutdown

Add handler checkpoints and a per-cycle hook to the task runner

Migrate restart runner onto the task runner

Update handover document

Migrate the device migration runners onto the task runner

Migrate node removal and port allow runners onto the task runner

Update handover document

Report task failures through the task runner

Report an exhausted FDB backup through the task runner

Add entrypoint for task runners