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Add check for stuck jobs in poll() #5451

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Add check for stuck jobs in poll() #5451

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ffe6301
Add check for stuck jobs in poll()
FTang21 Dec 9, 2023
6a51c30
Fix trailing whitespace
FTang21 Dec 9, 2023
27f7594
Update logic for stuck check based on feedback
FTang21 Dec 10, 2023
cbd9b8e
Fix trailing whitespace
FTang21 Dec 10, 2023
cec23a1
Update MSG Label
FTang21 Dec 10, 2023
7483a35
Update comments
FTang21 Dec 10, 2023
c159e89
Fix typo
FTang21 Dec 10, 2023
f68fa1e
Update order in stuck check poll
FTang21 Dec 11, 2023
b657da4
Move some code for better readablility
FTang21 Dec 11, 2023
7d31bf5
Add the result name into print
FTang21 Dec 12, 2023
6948c6f
Update code to fit original code style
FTang21 Dec 12, 2023
eb07ea0
Fix trailing whitespace
FTang21 Dec 12, 2023
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3 changes: 3 additions & 0 deletions client/app.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -114,6 +114,9 @@ ACTIVE_TASK::ACTIVE_TASK() {
fraction_done_elapsed_time = 0;
first_fraction_done = 0;
first_fraction_done_elapsed_time = 0;
stuck_check_fraction_done = 0;
stuck_check_elapsed_time = 0;
stuck_check_cpu_time = 0;
scheduler_state = CPU_SCHED_UNINITIALIZED;
next_scheduler_state = CPU_SCHED_UNINITIALIZED;
signal = 0;
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6 changes: 6 additions & 0 deletions client/app.h
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Original file line number Diff line number Diff line change
Expand Up @@ -112,6 +112,12 @@ struct ACTIVE_TASK {
// first frac done reported during this run of task
double first_fraction_done_elapsed_time;
// elapsed time when the above was reported
double stuck_check_fraction_done;
// fraction done since last check for stuck
double stuck_check_elapsed_time;
// elapsed time at last stuck check
double stuck_check_cpu_time;
// cpu time at last check
SCHEDULER_STATE scheduler_state;
SCHEDULER_STATE next_scheduler_state; // temp
int signal;
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33 changes: 33 additions & 0 deletions client/app_control.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -149,6 +149,39 @@ bool ACTIVE_TASK_SET::poll() {
}
}
}

// check if a job is "stuck" (did not make progress in the last hour)
// notify the user about the issue
// abort after some time
static double last_stuck_check_time = 0;
if (gstate.now - last_stuck_check_time > STUCK_CHECK_POLL_PERIOD) {
last_stuck_check_time = gstate.now;
for (i=0; i<active_tasks.size(); i++){
ACTIVE_TASK* atp = active_tasks[i];
if (atp->non_cpu_intensive()) continue;
if (atp->sporadic()) continue;
if (atp->stuck_check_elapsed_time == 0) {
// first pass
atp->stuck_check_elapsed_time = atp->elapsed_time;
atp->stuck_check_fraction_done = atp->fraction_done;
atp->stuck_check_cpu_time = atp->current_cpu_time;
continue;
}
if (atp->elapsed_time < atp->stuck_check_elapsed_time + STUCK_CHECK_POLL_PERIOD) continue;
if (atp->stuck_check_fraction_done == atp->fraction_done &&
(atp->current_cpu_time - atp->stuck_check_cpu_time) < 10) {
// if fraction done does not change and cpu time is <10, message the user
msg_printf(atp->result->project, MSG_USER_ALERT,
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"[task] has not made progress in last hour, consider aborting task %s",
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Maybe the better working should be

Task has not made any progress within the last hour, consider aborting it: %s

@davidpanderson, could you please verify the spelling?

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I'm worried about the direction this might take the BOINC client (eventually), or might lead the user.

Not every wrapper-using project successfully manages to implement a realistic measure of progress made. This direction of thought changes the progress report from 'nice to have' towards 'essential'. It needs to be explained carefully.

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A job is regarded as stuck if, in the last hour of running,
a) it accumulates less than 10 sec of CPU time
AND
b) its fraction done is unchanged.

b) by itself doesn't make it stuck.

atp->result->name
);
}
atp->stuck_check_elapsed_time = atp->elapsed_time;
atp->stuck_check_fraction_done = atp->fraction_done;
atp->stuck_check_cpu_time = atp->current_cpu_time;
}
}

if (action) {
gstate.set_client_state_dirty("ACTIVE_TASK_SET::poll");
}
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3 changes: 3 additions & 0 deletions client/client_state.h
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Expand Up @@ -601,6 +601,9 @@ extern THREAD throttle_thread;
#define MEMORY_USAGE_PERIOD 10
// computer memory usage and check for exclusive apps this often

#define STUCK_CHECK_POLL_PERIOD 3600
// poll if a job is ever stuck

//////// WORK FETCH

#define WORK_FETCH_PERIOD 60
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