fixes #2333 avoid deadlock while waiting for user_cache rebuild

This commit is contained in:
plegall 2025-03-01 12:04:23 +01:00
parent 6489dceadf
commit 5eacda0d76
2 changed files with 21 additions and 2 deletions

View file

@ -2881,6 +2881,19 @@ INSERT IGNORE
return $exec_id;
}
function pwg_unique_exec_is_running($token_name)
{
$query = '
SELECT
COUNT(*)
FROM '.CONFIG_TABLE.'
WHERE param = "'.$token_name.'_running"
;';
list($counter) = pwg_db_fetch_row(pwg_query($query));
return $counter > 0;
}
function pwg_unique_exec_ends($token_name)
{
conf_delete_param($token_name.'_running');

View file

@ -437,15 +437,21 @@ SELECT
list($nb_cache_lines) = pwg_db_fetch_row(pwg_query($query));
$logger_msg = $logger_msg_prefix.'user_cache generation waiting k='.$k.' ';
$waiting_time = get_elapsed_time($user_cache_waiting_start_time, get_moment());
if ($nb_cache_lines > 0)
{
$logger->info($logger_msg.'user_cache rebuilt, after waiting '.get_elapsed_time($user_cache_waiting_start_time, get_moment()));
$logger->info($logger_msg.'user_cache rebuilt, after waiting '.$waiting_time);
return getuserdata($user_id, false);
}
elseif (!pwg_unique_exec_is_running($cache_generation_token_name))
{
$logger->info($logger_msg.'user_cache rebuilt but has been reset since, give it another try, after waiting '.$waiting_time);
return getuserdata($user_id, true);
}
else
{
$logger->info($logger_msg.'user_cache not ready yet, after waiting '.get_elapsed_time($user_cache_waiting_start_time, get_moment()));
$logger->info($logger_msg.'user_cache not ready yet, after waiting '.$waiting_time);
}
}