Hey gang, not to sure if I should be posting to this list or not but I'm having terrible performance problems with MySQL on a high end system. I believe I've done enough reading through the Doc's to post to this list. The system is a Dual 1Ghz with 2GB of Ram running Redhat 8.0, MySQL 3.23, PHP 4.22, Latest version of ACID and I'm using the latest DB Layout from Snort (1.9.1). I'm using a somewhat modified my-huge.cnf, modified from what I've read on mysql.com. I'm using the switch to log slow queries and can attach that if someone would like to look at it. Below is my current config dump from phpmyadmin. Oh yeah, the size of my DB is around 2GB, around 1.4 million rows.. If anyone needs more information just let me know.
It appears that you're forgotten to include your question.
It would probably also help if you characterized what you mean by "terrible performance problems" and what kind of improvements you'd like to see.
Thanks,
-Dusty Hall Auburn University
------ Variable Value back log 50 basedir /usr/ bdb cache size 8388600 bdb log buffer size 262144 bdb home /var/lib/mysql/ bdb max lock 10000 bdb logdir bdb shared data OFF bdb tmpdir /tmp/ bdb version Sleepycat Software: Berkeley DB 3.2.9a: (August 14, 2002)
binlog cache size 32768 character set latin1 character sets latin1 big5 cp1251 cp1257 croat czech danish dec8 dos estonia euc_kr gb2312 gbk german1 greek hebrew hp8 hungarian koi8_ru koi8_ukr latin2 latin5 swe7 usa7 win1250 win1251 win1251ukr ujis sjis tis620 concurrent insert ON connect timeout 5 datadir /var/lib/mysql/ delay key write ON delayed insert limit 100 delayed insert timeout 300 delayed queue size 1000 flush OFF flush time 0 have bdb YES have gemini NO have innodb DISABLED have isam YES have raid NO have openssl NO init file innodb additional mem pool size 1048576 innodb buffer pool size 8388608 innodb data file path innodb data home dir innodb file io threads 4 innodb force recovery 0 innodb thread concurrency 8 innodb flush log at trx commit 16777216 innodb fast shutdown ON innodb flush method innodb lock wait timeout 50 innodb log arch dir innodb log archive OFF innodb log buffer size 1048576 innodb log file size 5242880 innodb log files in group 2 innodb log group home dir innodb mirrored log groups 1 interactive timeout 28800 join buffer size 4190208 key buffer size 268431360 language /usr/share/mysql/english/ large files support ON locked in memory OFF log OFF log update OFF log bin ON log slave updates OFF log long queries ON long query time 10 low priority updates OFF lower case table names 0 max allowed packet 1047552 max binlog cache size 4294967295 max binlog size 1073741824 max connections 100 max connect errors 10 max delayed threads 20 max heap table size 16777216 max join size 4294967295 max sort length 1024 max user connections 0 max tmp tables 32 max write lock count 4294967295 myisam max extra sort file size 256 myisam max sort file size 2047 myisam recover options 0 myisam sort buffer size 67108864 net buffer length 16384 net read timeout 30 net retry count 10 net write timeout 60 open files limit 0 pid file /var/lib/mysql/willma.netmgt.auburn.edu.pid port 3306 protocol version 10 record buffer 2093056 record rnd buffer 2093056 query buffer size 0 safe show database OFF server id 1 slave net timeout 3600 skip locking ON skip networking OFF skip show database OFF slow launch time 2 socket /var/lib/mysql/mysql.sock sort buffer 4194296 sql mode 0 table cache 512 table type MYISAM thread cache size 8 thread stack 65536 transaction isolation READ-COMMITTED timezone CST tmp table size 33554432 tmpdir /tmp/ version 3.23.52-log wait timeout 28800
-- Paul DuBois http://www.kitebird.com/ sql, query
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