gfphoenix78 commented on code in PR #1447:
URL: https://github.com/apache/cloudberry/pull/1447#discussion_r2562163534
##########
src/backend/storage/lmgr/lock.c:
##########
@@ -939,11 +939,20 @@ LockAcquireExtended(const LOCKTAG *locktag,
{
/* Find the guy who should manage our locks */
volatile PGPROC * proc =
FindProcByGpSessionId(gp_session_id);
- int count = 0;
- while(proc==NULL && count <
find_writer_proc_retry_time)
+ TimestampTz current_time;
+ TimestampTz start_time;
+ long elapsed_secs;
+ int elapsed_usecs;
+ start_time = GetCurrentTimestamp();
+
+ while (proc == NULL)
{
+ current_time = GetCurrentTimestamp();
+ TimestampDifference(start_time,
current_time, &elapsed_secs, &elapsed_usecs);
+ if (elapsed_secs >=
gp_segment_connect_timeout / 2)
+ break;
+
pg_usleep( /* microseconds */ 2000);
- count++;
CHECK_FOR_INTERRUPTS();
Review Comment:
The two logics look identical except the waiting time. How does it fix the
issue?
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