Patch borrowed from CentOS mysql-5.0.52-mysqldump-hang-33057.patch #### ChangeSet #### 2007-12-20 21:37:21+01:00, df@pippilotta.erinye.com BUG#33057 mysql command line client slows down and uses 100% CPU when restoring dump ==== client/mysql.cc ==== 2007-12-20 21:37:19+01:00, df@pippilotta.erinye.com +1 -3 BUG#33057, avoid calling strlen() *for every single character* in the client's input --- 1.244/client/mysql.cc 2007-12-13 02:49:10 -08:00 +++ 1.245/client/mysql.cc 2007-12-20 12:37:19 -08:00 @@ -1272,9 +1272,7 @@ static bool add_line(String &buffer,char if (status.add_to_history && line[0] && not_in_history(line)) add_history(line); #endif -#ifdef USE_MB char *end_of_line=line+(uint) strlen(line); -#endif for (pos=out=line ; (inchar= (uchar) *pos) ; pos++) { @@ -1364,7 +1362,7 @@ static bool add_line(String &buffer,char } } else if (!*ml_comment && !*in_string && - strlen(pos) >= 10 && + (end_of_line - pos) >= 10 && !my_strnncoll(charset_info, (uchar*) pos, 10, (const uchar*) "delimiter ", 10)) {