Isn't the sense of "reset" inverted ? I think maybe you mean to do set_ps_display(""); in the "if reset".
On Fri, Dec 11, 2020 at 12:54:22PM +0900, Michael Paquier wrote: > +update_checkpoint_display(int flags, bool restartpoint, bool reset) > +{ > + if (reset) > + { > + char activitymsg[128]; > + > + snprintf(activitymsg, sizeof(activitymsg), "performing %s%s%s", > + (flags & CHECKPOINT_END_OF_RECOVERY) ? > "end-of-recovery " : "", > + (flags & CHECKPOINT_IS_SHUTDOWN) ? "shutdown " > : "", > + restartpoint ? "restartpoint" : "checkpoint"); > + set_ps_display(activitymsg); > + } > + else > + set_ps_display(""); > +} > + > + > /* > * Perform a checkpoint --- either during shutdown, or on-the-fly > * > @@ -8905,6 +8937,9 @@ CreateCheckPoint(int flags) > if (log_checkpoints) > LogCheckpointStart(flags, false); > > + /* Update the process title */ > + update_checkpoint_display(flags, false, false); > + > TRACE_POSTGRESQL_CHECKPOINT_START(flags); > > /* > @@ -9120,6 +9155,9 @@ CreateCheckPoint(int flags) > /* Real work is done, but log and update stats before releasing lock. */ > LogCheckpointEnd(false); > > + /* Reset the process title */ > + update_checkpoint_display(flags, false, true); > + > TRACE_POSTGRESQL_CHECKPOINT_DONE(CheckpointStats.ckpt_bufs_written, > > NBuffers, > > CheckpointStats.ckpt_segs_added, > @@ -9374,6 +9412,9 @@ CreateRestartPoint(int flags) > if (log_checkpoints) > LogCheckpointStart(flags, true); > > + /* Update the process title */ > + update_checkpoint_display(flags, true, false); > + > CheckPointGuts(lastCheckPoint.redo, flags); > > /* > @@ -9492,6 +9533,9 @@ CreateRestartPoint(int flags) > /* Real work is done, but log and update before releasing lock. */ > LogCheckpointEnd(true); > > + /* Reset the process title */ > + update_checkpoint_display(flags, true, true); > + > xtime = GetLatestXTime(); > ereport((log_checkpoints ? LOG : DEBUG2), > (errmsg("recovery restart point at %X/%X",