obwohl ich die entscheidenen Variablen groß genug gesetzt hab (tmp table size auf 2G), schreibt MySQL alle temporären Tabellen auf die Festplatte :(
zur Stoßzeit sind dies schon mal einige hundert Tabellen oder mehr pro Minute.
Hat jemand einen Tipp für mich warum das so sein könnte? Danke.
MySQL Version ist 4.1.10a
hier mal gleich die variablen:
- back log 50 50
basedir /usr/ /usr/
binlog cache size 32768 32768
bulk insert buffer size 8388608 8388608
character set client utf8 latin1
character set connection utf8 latin1
character set database latin1 latin1
character set results utf8 latin1
character set server latin1 latin1
character set system utf8 utf8
character sets dir /usr/share/mysql/charsets/ /usr/share/mysql/charsets/
collation connection utf8_general_ci latin1_swedish_ci
collation database latin1_swedish_ci latin1_swedish_ci
collation server latin1_swedish_ci latin1_swedish_ci
concurrent insert ON ON
connect timeout 5 5
datadir /var/lib/mysql/ /var/lib/mysql/
date format %Y-%m-%d %Y-%m-%d
datetime format %Y-%m-%d %H:%i:%s %Y-%m-%d %H:%i:%s
default week format 0 0
delay key write ON ON
delayed insert limit 100 100
delayed insert timeout 300 300
delayed queue size 1000 1000
expire logs days 0 0
flush OFF OFF
flush time 0 0
ft boolean syntax + -><()~*:""&| + -><()~*:""&|
ft max word len 84 84
ft min word len 4 4
ft query expansion limit 20 20
ft stopword file (built-in) (built-in)
group concat max len 1024 1024
have archive NO NO
have bdb NO NO
have compress YES YES
have crypt YES YES
have csv NO NO
have example engine NO NO
have geometry YES YES
have innodb YES YES
have isam YES YES
have ndbcluster NO NO
have openssl NO NO
have query cache YES YES
have raid NO NO
have rtree keys YES YES
have symlink YES YES
init connect
init file
init slave
innodb additional mem pool size 1048576 1048576
innodb autoextend increment 8 8
innodb buffer pool awe mem mb 0 0
innodb buffer pool size 8388608 8388608
innodb data file path ibdata1:10M:autoextend ibdata1:10M:autoextend
innodb data home dir
innodb fast shutdown ON ON
innodb file io threads 4 4
innodb file per table OFF OFF
innodb flush log at trx commit 1 1
innodb flush method
innodb force recovery 0 0
innodb lock wait timeout 50 50
innodb locks unsafe for binlog OFF OFF
innodb log arch dir
innodb log archive OFF OFF
innodb log buffer size 1048576 1048576
innodb log file size 5242880 5242880
innodb log files in group 2 2
innodb log group home dir ./ ./
innodb max dirty pages pct 90 90
innodb max purge lag 0 0
innodb mirrored log groups 1 1
innodb open files 300 300
innodb table locks ON ON
innodb thread concurrency 8 8
interactive timeout 28800 28800
join buffer size 67104768 67104768
key buffer size 134217728 134217728
key cache age threshold 300 300
key cache block size 1024 1024
key cache division limit 100 100
language /usr/share/mysql/english/ /usr/share/mysql/english/
large files support ON ON
license GPL GPL
local infile ON ON
locked in memory OFF OFF
log OFF OFF
log bin OFF OFF
log error
log slave updates OFF OFF
log slow queries OFF OFF
log update OFF OFF
log warnings 1 1
long query time 10 10
low priority updates OFF OFF
lower case file system OFF OFF
lower case table names 0 0
max allowed packet 10484736 10484736
max binlog cache size 4294967295 4294967295
max binlog size 1073741824 1073741824
max connect errors 10 10
max connections 500 500
max delayed threads 20 20
max error count 64 64
max heap table size 2147482624 2147482624
max insert delayed threads 20 20
max join size 4294967295 4294967295
max length for sort data 1024 1024
max relay log size 0 0
max seeks for key 4294967295 4294967295
max sort length 1024 1024
max tmp tables 32 32
max user connections 0 0
max write lock count 4294967295 4294967295
myisam data pointer size 4 4
myisam max extra sort file size 2147483648 2147483648
myisam max sort file size 2147483647 2147483647
myisam recover options OFF OFF
myisam repair threads 1 1
myisam sort buffer size 33554432 33554432
net buffer length 10240 10240
net read timeout 30 30
net retry count 10 10
net write timeout 60 60
new OFF OFF
old passwords ON ON
open files limit 16558 16558
pid file /var/lib/mysql/mysqld.pid /var/lib/mysql/mysqld.pid
port 3306 3306
preload buffer size 32768 32768
protocol version 10 10
query alloc block size 8192 8192
query cache limit 1048576 1048576
query cache min res unit 4096 4096
query cache size 3145728 3145728
query cache type ON ON
query cache wlock invalidate OFF OFF
query prealloc size 8192 8192
range alloc block size 2048 2048
read buffer size 1044480 1044480
read only OFF OFF
read rnd buffer size 10481664 10481664
relay log purge ON ON
rpl recovery rank 0 0
secure auth OFF OFF
server id 1 1
skip external locking ON ON
skip networking OFF OFF
skip show database OFF OFF
slave net timeout 3600 3600
slow launch time 2 2
socket /var/lib/mysql/mysql.sock /var/lib/mysql/mysql.sock
sort buffer size 33554424 33554424
sql mode
storage engine MyISAM MyISAM
sync binlog 0 0
sync replication 0 0
sync replication slave id 0 0
sync replication timeout 0 0
sync frm ON ON
system time zone CEST CEST
table cache 8024 8024
table type MyISAM MyISAM
thread cache size 30 30
thread stack 196608 196608
time format %H:%i:%s %H:%i:%s
time zone SYSTEM SYSTEM
tmp table size 2671771648 2671771648
tmpdir
transaction alloc block size 8192 8192
transaction prealloc size 4096 4096
tx isolation REPEATABLE-READ REPEATABLE-READ
version 4.1.10a 4.1.10a
version comment SUSE MySQL RPM SUSE MySQL RPM
version compile machine i686 i686
version compile os suse-linux suse-linux
wait timeout 28800 28800
Statusvariablen:
- Binlog cache disk use 0
Binlog cache use 0
Created tmp disk tables 605
Created tmp files 3
Created tmp tables 605
Delayed errors 0
Delayed insert threads 0
Delayed writes 0
Flush commands 1
Handler commit 0
Handler delete 59
Handler discover 0
Handler read first 57
Handler read key 68347
Handler read next 718923
Handler read prev 25496
Handler read rnd 3949
Handler read rnd next 6022
Handler rollback 0
Handler update 19396
Handler write 4264
Key blocks not flushed 4
Key blocks unused 111123
Key blocks used 4857
Key read requests 230306
Key reads 5141
Key write requests 4149
Key writes 477
Max used connections 2
Not flushed delayed rows 0
Open files 81
Open streams 0
Open tables 43
Opened tables 54
Qcache free blocks 178
Qcache free memory 2799896
Qcache hits 2254
Qcache inserts 3794
Qcache lowmem prunes 0
Qcache not cached 3406
Qcache queries in cache 301
Qcache total blocks 799
Rpl status NULL
Select full join 0
Select full range join 0
Select range 55
Select range check 0
Select scan 237
Slave open temp tables 0
Slave running OFF
Slow launch threads 0
Slow queries 0
Sort merge passes 0
Sort range 186
Sort rows 5465
Sort scan 605
Table locks immediate 12771
Table locks waited 1
Threads cached 1
Threads connected 1
Threads created 2
Threads running 1