Rework task runners - #1226

Draft

mxsrc wants to merge 25 commits into

mainfrom

rework-task-runners

Commits on Aug 26, 2026

Consistently crash task runners on DB failure
mxsrc
committed
a8b34d1
Unify task retry semantics
mxsrc
committed
c875a1a
Apply task lease consistently to all task runners
mxsrc
committed
8f9473e
Reclassify backup policy evaluation as service
mxsrc
committed
11a7171
Introduce generic task runner
mxsrc
committed
53c0ce3
Handover documents
mxsrc
committed
ad75082
Reset task result before each handler attempt
mxsrc
committed
6a616d4
Migrate FDB backup runner onto the task runner
mxsrc
committed
32a6061
Migrate JC compression resume runner onto the task runner
mxsrc
committed
1c270ac
Migrate replication cutover runner onto the task runner
mxsrc
committed
fa3afaa
Migrate lvol sync runner onto the task runner
mxsrc
committed
c51aeef
Migrate backup and cluster expand runners onto the task runner
mxsrc
committed
5284a4c
Migrate node add runner onto the task runner
mxsrc
committed
348affb
Update handover document
mxsrc
committed
a771d48
Commit task transitions by compare-and-set
mxsrc
committed
d7364f6
Revise plan for the upstream restart hardening
mxsrc
committed
4aa9867
Cancel tasks by compare-and-set
mxsrc
committed
a6033cb
Cancel a node's tasks by compare-and-set on shutdown
mxsrc
committed
3bf47c3
Add handler checkpoints and a per-cycle hook to the task runner
mxsrc
committed
1406029
Migrate restart runner onto the task runner
mxsrc
committed
b9b1322
Update handover document
mxsrc
committed
99a7009
Migrate the device migration runners onto the task runner
mxsrc
committed
b0ffd3c
Migrate node removal and port allow runners onto the task runner
mxsrc
committed
bf31be0
Update handover document
mxsrc
committed
3be9f16
Report task failures through the task runner
mxsrc
committed
610186d

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Rework task runners - #1226

Rework task runners#1226
mxsrc wants to merge 25 commits into
mainfrom
rework-task-runners

Commits on Aug 26, 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