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Commit41d505a

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Add still more chattiness in server shutdown.
Further investigation says that there may be some slow operations afterwe've finished ShutdownXLOG(), so add some more log messages to try toisolate that. This is all temporary code too.
1 parentbb4df42 commit41d505a

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2 files changed

+31
-0
lines changed

2 files changed

+31
-0
lines changed

‎src/backend/postmaster/postmaster.c‎

Lines changed: 6 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -2850,6 +2850,9 @@ reaper(SIGNAL_ARGS)
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*/
28512851
Assert(Shutdown>NoShutdown);
28522852

2853+
elog(LOG,"checkpointer dead at %s",
2854+
current_time_as_str());
2855+
28532856
/* Waken archiver for the last time */
28542857
if (PgArchPID!=0)
28552858
signal_child(PgArchPID,SIGUSR2);
@@ -3711,6 +3714,9 @@ PostmasterStateMachine(void)
37113714
if (ReachedNormalRunning)
37123715
CancelBackup();
37133716

3717+
elog(LOG,"all children dead at %s",
3718+
current_time_as_str());
3719+
37143720
/* Normal exit from the postmaster is here */
37153721
ExitPostmaster(0);
37163722
}

‎src/backend/storage/ipc/ipc.c‎

Lines changed: 25 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -98,6 +98,8 @@ static inton_proc_exit_index,
9898
void
9999
proc_exit(intcode)
100100
{
101+
boolnoisy=AmCheckpointerProcess()|| (getpid()==PostmasterPid);
102+
101103
/* Clean up everything that must be cleaned up */
102104
proc_exit_prepare(code);
103105

@@ -140,6 +142,10 @@ proc_exit(int code)
140142

141143
elog(DEBUG3,"exit(%d)",code);
142144

145+
if (noisy)
146+
elog(LOG,"calling exit(%d) at %s",
147+
code,current_time_as_str());
148+
143149
exit(code);
144150
}
145151

@@ -151,6 +157,8 @@ proc_exit(int code)
151157
staticvoid
152158
proc_exit_prepare(intcode)
153159
{
160+
boolnoisy=AmCheckpointerProcess()|| (getpid()==PostmasterPid);
161+
154162
/*
155163
* Once we set this flag, we are committed to exit. Any ereport() will
156164
* NOT send control back to the main loop, but right back here.
@@ -197,8 +205,13 @@ proc_exit_prepare(int code)
197205
* possible.
198206
*/
199207
while (--on_proc_exit_index >=0)
208+
{
209+
if (noisy)
210+
elog(LOG,"doing on_proc_exit %d at %s",
211+
on_proc_exit_index,current_time_as_str());
200212
(*on_proc_exit_list[on_proc_exit_index].function) (code,
201213
on_proc_exit_list[on_proc_exit_index].arg);
214+
}
202215

203216
on_proc_exit_index=0;
204217
}
@@ -214,6 +227,8 @@ proc_exit_prepare(int code)
214227
void
215228
shmem_exit(intcode)
216229
{
230+
boolnoisy=AmCheckpointerProcess()|| (getpid()==PostmasterPid);
231+
217232
/*
218233
* Call before_shmem_exit callbacks.
219234
*
@@ -225,8 +240,13 @@ shmem_exit(int code)
225240
elog(DEBUG3,"shmem_exit(%d): %d before_shmem_exit callbacks to make",
226241
code,before_shmem_exit_index);
227242
while (--before_shmem_exit_index >=0)
243+
{
244+
if (noisy)
245+
elog(LOG,"doing before_shmem_exit %d at %s",
246+
before_shmem_exit_index,current_time_as_str());
228247
(*before_shmem_exit_list[before_shmem_exit_index].function) (code,
229248
before_shmem_exit_list[before_shmem_exit_index].arg);
249+
}
230250
before_shmem_exit_index=0;
231251

232252
/*
@@ -258,8 +278,13 @@ shmem_exit(int code)
258278
elog(DEBUG3,"shmem_exit(%d): %d on_shmem_exit callbacks to make",
259279
code,on_shmem_exit_index);
260280
while (--on_shmem_exit_index >=0)
281+
{
282+
if (noisy)
283+
elog(LOG,"doing on_shmem_exit %d at %s",
284+
on_shmem_exit_index,current_time_as_str());
261285
(*on_shmem_exit_list[on_shmem_exit_index].function) (code,
262286
on_shmem_exit_list[on_shmem_exit_index].arg);
287+
}
263288
on_shmem_exit_index=0;
264289
}
265290

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