Hello.
> this reads dropped in in a time-delay of about 10 sec. I don't think this is a bug. Even after the KILL statement mysqld threads don't die at once. Furthermore - CPU load was huge enough. > to say that mysql after 16 hours run still was reading the tables... It could be reading some temporary table, not original. Markus S. Hasler wrote: > Hi listers > > 1. environment > [EMAIL PROTECTED] ~> uname -a > Linux myhost.mydom.tld 2.6.12-1.1390_FC4_cubbi4_swsusp2 #1 Sat Jul 9 > 12:34:47 CEST 2005 i686 i686 i386 GNU/Linux > [EMAIL PROTECTED] ~> > > > 2. mysql > [EMAIL PROTECTED] ~> rpm -qa |grep -i mysql > MySQL-server-4.1.14-0 > MySQL-shared-4.1.14-0 > MySQL-devel-4.1.14-0 > MySQL-client-4.1.14-0 > [EMAIL PROTECTED] ~> > > > 3. mysql tables > two tables: > > localhost.addresses2> describe first_table; > +------------------+------------------+------+-----+---------------------+----------------+ > > | Field | Type | Null | Key | Default > | Extra | > +------------------+------------------+------+-----+---------------------+----------------+ > > | name | text | YES | | NULL > | | > | title | text | YES | | NULL > | | > | phone | text | YES | | NULL > | | > | desc | text | YES | | NULL > | | > | comment | text | YES | | NULL > | | > | status | text | YES | | NULL > | | > | url | text | YES | | NULL > | | > | businesscategory | text | YES | | NULL > | | > | address | text | YES | | NULL > | | > | kanton | text | YES | | NULL > | | > | reply_1 | text | YES | | NULL > | | > | reply_2 | text | YES | | NULL > | | > | reply_3 | text | YES | | NULL > | | > | reply_date | datetime | YES | | NULL > | | > | ip_address | text | YES | | NULL > | | > | firm | text | YES | | NULL > | | > | served | datetime | YES | | NULL > | | > | addon | text | YES | | NULL > | | > | givenname | text | YES | | NULL > | | > | history | text | YES | | NULL > | | > | favorit | text | YES | | NULL > | | > | last_update | timestamp | YES | | 0000-00-00 00:00:00 > | | > | task_link | int(11) | YES | | NULL > | | > | counter | int(10) unsigned | | PRI | NULL > | auto_increment | > +------------------+------------------+------+-----+---------------------+----------------+ > > 24 rows in set (0.00 sec) > > localhost.addresses2> > > > localhost.addresses2> describe second_table; > +------------------+------------------+------+-----+-------------------+----------------+ > > | Field | Type | Null | Key | Default | > Extra | > +------------------+------------------+------+-----+-------------------+----------------+ > > | name | text | YES | | NULL > | | > | title | text | YES | | NULL > | | > | phone | text | YES | | NULL > | | > | desc | text | YES | | NULL > | | > | comment | text | YES | | NULL > | | > | status | text | YES | | NULL > | | > | url | text | YES | | NULL > | | > | businesscategory | text | YES | | NULL > | | > | address | text | YES | | NULL > | | > | kanton | text | YES | | NULL > | | > | reply_1 | text | YES | | NULL > | | > | reply_2 | text | YES | | NULL > | | > | reply_3 | text | YES | | NULL > | | > | reply_date | datetime | YES | | NULL > | | > | firm | text | YES | | NULL > | | > | served | datetime | YES | | NULL > | | > | addon | text | YES | | NULL > | | > | givenname | text | YES | | NULL > | | > | ip_address | text | YES | | NULL > | | > | history | text | YES | | NULL > | | > | favorit | text | YES | | NULL > | | > | last_update | timestamp | YES | | CURRENT_TIMESTAMP > | | > | task_link | int(11) | YES | | NULL > | | > | counter | int(10) unsigned | | PRI | NULL | > auto_increment | > +------------------+------------------+------+-----+-------------------+----------------+ > > 24 rows in set (0.00 sec) > > localhost.addresses2> > > [EMAIL PROTECTED] ~/work/adr3/batch> php merge_dbs_join.php > ... 270202 rows from table first_table > ===================================================================================== > > > ... 77334 rows from table second_table > > [EMAIL PROTECTED] ~/work/adr3/batch > > > 4. action > > AFTER a 16 HOURS RUN of the following SQL from the above php program: > > SELECT first_table.counter as c1, second_table.counter as c2 FROM > first_table INNER JOIN second_table ON first_table.desc REGEXP > second_table.desc > > > > After the 16 hours run I have stopped the php program manually (CTRL-C), > but mysqld continued to consume all available processing time (in top: > id= 0). > > > when I did an strace on the mysqld PID: > > [EMAIL PROTECTED] ~> strace -p 20810 > Process 20810 attached - interrupt to quit > read(41, " face=\"Arial, Helvetica, sans-se"..., 131072) = 131072 > read(41, "ute des prix, plus d\'effort pour"..., 131072) = 131072 > read(41, "n?</font></p>\n <p align=\"left\">"..., 131072) = 131072 > read(41, "ont size=\"3\" face=\"Arial, Helvet"..., 131072) = 131072 > read(41, "r />8027 Mytown<br />\n\n</font></"..., 131072) = 131072 > read(41, "\n \32\0# [EMAIL PROTECTED]"..., 131072) = 131072 > > > this reads dropped in in a time-delay of about 10 sec. > to say that mysql after 16 hours run still was reading the tables... > > 5. required actions > > correct the error in mysqld > > > > > suomi > -- For technical support contracts, goto https://order.mysql.com/?ref=ensita This email is sponsored by Ensita.NET http://www.ensita.net/ __ ___ ___ ____ __ / |/ /_ __/ __/ __ \/ / Gleb Paharenko / /|_/ / // /\ \/ /_/ / /__ [EMAIL PROTECTED] /_/ /_/\_, /___/\___\_\___/ MySQL AB / Ensita.NET <___/ www.mysql.com -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/[EMAIL PROTECTED]
