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View Full Version : Server Optimization Request new server


vauge
Sun 17th Dec '06, 12:43pm
Very new server - running slow
Zend and eAccelorator + vbSEO is installed.

1. Is this on dedicated or shared virual server.
dedicated server

2. your server specs. For example:

cpu speed/type single or dual cpus): dual core Intel D 920
how much memory installed: 1gb ram
hard drive type/configuration: 120GB SATA
linux distributor or windows version: CentOS 4.0
apache/IIS version: Apache/1.3.37
PHP version: php 4.4.4
MySQL version: mysql 4.1.21

3. if you use mysql 4.x instead of mysql 3.23.x, do you have any innodb type databases/tables on your server ?
No

4. if possible how mysql was compiled/installed?
Core package - yum install

5. your top stats

top - 11:22:55 up 1 day, 9:31, 1 user, load average: 0.03, 0.05, 0.12
Tasks: 104 total, 1 running, 103 sleeping, 0 stopped, 0 zombie
Cpu(s): 0.2% us, 0.0% sy, 0.0% ni, 99.8% id, 0.0% wa, 0.0% hi, 0.0% si
Mem: 1018348k total, 985712k used, 32636k free, 7072k buffers
Swap: 2096472k total, 628k used, 2095844k free, 359528k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
1 root 16 0 3460 552 472 S 0 0.1 0:00.84 init
2 root RT 0 0 0 0 S 0 0.0 0:00.09 migration/0
3 root 34 19 0 0 0 S 0 0.0 0:00.01 ksoftirqd/0
4 root RT 0 0 0 0 S 0 0.0 0:00.10 migration/1
5 root 34 19 0 0 0 S 0 0.0 0:00.02 ksoftirqd/1
6 root 5 -10 0 0 0 S 0 0.0 0:00.00 events/0
7 root 5 -10 0 0 0 S 0 0.0 0:00.00 events/1
8 root 11 -10 0 0 0 S 0 0.0 0:00.00 khelper
9 root 15 -10 0 0 0 S 0 0.0 0:00.00 kacpid
25 root 5 -10 0 0 0 S 0 0.0 0:00.00 kblockd/0
26 root 5 -10 0 0 0 S 0 0.0 0:00.00 kblockd/1
27 root 15 0 0 0 0 S 0 0.0 0:00.00 khubd
47 root 12 -10 0 0 0 S 0 0.0 0:00.00 aio/0
48 root 5 -10 0 0 0 S 0 0.0 0:00.00 aio/1
46 root 15 0 0 0 0 S 0 0.0 0:21.09 kswapd0
196 root 25 0 0 0 0 S 0 0.0 0:00.00 kseriod
306 root 5 -10 0 0 0 S 0 0.0 0:00.00 ata/0
307 root 7 -10 0 0 0 S 0 0.0 0:00.00 ata/1


6. your mysql configuration variables
[mysqld]
set-variable = max_connections=500
set-variable = max_user_connections=35
set-variable = interactive_timeout=100
set-variable = wait_timeout=15
set-variable = connect_timeout=10
safe-show-database
key_buffer = 384M
max_allowed_packet = 1M
table_cache = 512
sort_buffer_size = 2M
read_buffer_size = 2M
myisam_sort_buffer_size = 64M
thread_cache = 8
query_cache_size = 32M
# Try number of CPU's*2 for thread_concurrency
thread_concurrency = 8
safe-show-database


7. mysql


back_log 50
basedir /
binlog_cache_size 32768
bulk_insert_buffer_size 8388608
character_set_client latin1
character_set_connection latin1
character_set_database latin1
character_set_results latin1
character_set_server latin1
character_set_system utf8
character_sets_dir /usr/share/mysql/charsets/
collation_connection latin1_swedish_ci
collation_database latin1_swedish_ci
collation_server latin1_swedish_ci
concurrent_insert ON
connect_timeout 10
datadir /var/lib/mysql/
date_format %Y-%m-%d
datetime_format %Y-%m-%d %H:%i:%s
default_week_format 0
delay_key_write ON
delayed_insert_limit 100
delayed_insert_timeout 300
delayed_queue_size 1000
expire_logs_days 0
flush OFF
flush_time 0
ft_boolean_syntax + -><()~*:""&|
ft_max_word_len 84
ft_min_word_len 4
ft_query_expansion_limit 20
ft_stopword_file (built-in)
group_concat_max_len 1024
have_archive NO
have_bdb NO
have_blackhole_engine NO
have_compress YES
have_crypt YES
have_csv NO
have_example_engine NO
have_geometry YES
have_innodb YES
have_isam NO
have_ndbcluster NO
have_merge_engine YES
have_openssl NO
have_query_cache YES
have_raid NO
have_rtree_keys YES
have_symlink YES
init_connect
init_file
init_slave
innodb_additional_mem_pool_size 1048576
innodb_autoextend_increment 8
innodb_buffer_pool_awe_mem_mb 0
innodb_buffer_pool_size 8388608
innodb_data_file_path ibdata1:10M:autoextend
innodb_data_home_dir
innodb_fast_shutdown ON
innodb_file_io_threads 4
innodb_file_per_table OFF
innodb_flush_log_at_trx_commit 1
innodb_flush_method
innodb_force_recovery 0
innodb_lock_wait_timeout 50
innodb_locks_unsafe_for_binlog OFF
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_max_dirty_pages_pct 90
innodb_max_purge_lag 0
innodb_mirrored_log_groups 1
innodb_open_files 300
innodb_table_locks ON
innodb_thread_concurrency 8
interactive_timeout 100
join_buffer_size 131072
key_buffer_size 402653184
key_cache_age_threshold 300
key_cache_block_size 1024
key_cache_division_limit 100
language /usr/share/mysql/english/
large_files_support ON
lc_time_names en_US
license GPL
local_infile ON
locked_in_memory OFF
log OFF
log_bin OFF
log_error
log_slave_updates OFF
log_slow_queries OFF
log_update OFF
log_warnings 1
long_query_time 10
low_priority_updates OFF
lower_case_file_system OFF
lower_case_table_names 0
max_allowed_packet 1047552
max_binlog_cache_size 4294967295
max_binlog_size 1073741824
max_connect_errors 10
max_connections 500
max_delayed_threads 20
max_error_count 64
max_heap_table_size 16777216
max_insert_delayed_threads 20
max_join_size 4294967295
max_length_for_sort_data 1024
max_prepared_stmt_count 16382
max_relay_log_size 0
max_seeks_for_key 4294967295
max_sort_length 1024
max_tmp_tables 32
max_user_connections 35
max_write_lock_count 4294967295
myisam_data_pointer_size 4
myisam_max_extra_sort_file_size 2147483648
myisam_max_sort_file_size 2147483647
myisam_recover_options OFF
myisam_repair_threads 1
myisam_sort_buffer_size 67108864
myisam_stats_method nulls_unequal
net_buffer_length 16384
net_read_timeout 30
net_retry_count 10
net_write_timeout 60
new OFF
old_passwords OFF
open_files_limit 10000
pid_file /var/lib/mysql/server1.debatepolitics.com.pid
port 3306
preload_buffer_size 32768
prepared_stmt_count 0
protocol_version 10
query_alloc_block_size 8192
query_cache_limit 1048576
query_cache_min_res_unit 4096
query_cache_size 33554432
query_cache_type ON
query_cache_wlock_invalidate OFF
query_prealloc_size 8192
range_alloc_block_size 2048
read_buffer_size 2093056
read_only OFF
read_rnd_buffer_size 262144
relay_log_purge ON
relay_log_space_limit 0
rpl_recovery_rank 0
secure_auth OFF
server_id 0
skip_external_locking ON
skip_networking OFF
skip_show_database OFF
slave_net_timeout 3600
slave_transaction_retries 0
slow_launch_time 2
socket /var/lib/mysql/mysql.sock
sort_buffer_size 2097144
sql_mode
sql_notes ON
sql_warnings ON
storage_engine MyISAM
sync_binlog 0
sync_frm ON
sync_replication 0
sync_replication_slave_id 0
sync_replication_timeout 0
system_time_zone EST
table_cache 512
table_type MyISAM
thread_cache_size 8
thread_stack 196608
time_format %H:%i:%s
time_zone SYSTEM
tmp_table_size 33554432
tmpdir
transaction_alloc_block_size 8192
transaction_prealloc_size 4096
tx_isolation REPEATABLE-READ
version 4.1.21-standard
version_comment MySQL Community Edition - Standard (GPL)
version_compile_machine i686
version_compile_os pc-linux-gnu
wait_timeout 15

Aborted_clients 316
Aborted_connects 1
Binlog_cache_disk_use 0
Binlog_cache_use 0
Bytes_received 2238435619
Bytes_sent 1218419110
Com_admin_commands 0
Com_alter_db 0
Com_alter_table 1552
Com_analyze 1
Com_backup_table 0
Com_begin 0
Com_change_db 26084
Com_change_master 0
Com_check 0
Com_checksum 0
Com_commit 0
Com_create_db 15
Com_create_function 0
Com_create_index 0
Com_create_table 878
Com_dealloc_sql 0
Com_delete 1167
Com_delete_multi 0
Com_do 0
Com_drop_db 5
Com_drop_function 0
Com_drop_index 0
Com_drop_table 765
Com_drop_user 0
Com_execute_sql 0
Com_flush 23
Com_grant 57
Com_ha_close 0
Com_ha_open 0
Com_ha_read 0
Com_help 0
Com_insert 8362
Com_insert_select 33
Com_kill 0
Com_load 0
Com_load_master_data 0
Com_load_master_table 0
Com_lock_tables 1220
Com_optimize 2
Com_preload_keys 0
Com_prepare_sql 0
Com_purge 0
Com_purge_before_date 0
Com_rename_table 0
Com_repair 0
Com_replace 2384
Com_replace_select 0
Com_reset 0
Com_restore_table 0
Com_revoke 0
Com_revoke_all 0
Com_rollback 0
Com_savepoint 0
Com_select 73640
Com_set_option 1137
Com_show_binlog_events 0
Com_show_binlogs 7
Com_show_charsets 93
Com_show_collations 93
Com_show_column_types 0
Com_show_create_db 0
Com_show_create_table 23
Com_show_databases 31
Com_show_errors 0
Com_show_fields 75
Com_show_grants 60
Com_show_innodb_status 0
Com_show_keys 43
Com_show_logs 0
Com_show_master_status 0
Com_show_ndb_status 0
Com_show_new_master 0
Com_show_open_tables 0
Com_show_privileges 0
Com_show_processlist 404
Com_show_slave_hosts 0
Com_show_slave_status 0
Com_show_status 2
Com_show_storage_engines 0
Com_show_tables 226
Com_show_variables 315
Com_show_warnings 0
Com_slave_start 0
Com_slave_stop 0
Com_stmt_close 0
Com_stmt_execute 0
Com_stmt_prepare 0
Com_stmt_reset 0
Com_stmt_send_long_data 0
Com_truncate 0
Com_unlock_tables 1220
Com_update 14775
Com_update_multi 17
Connections 25600
Created_tmp_disk_tables 31
Created_tmp_files 6
Created_tmp_tables 9704
Delayed_errors 0
Delayed_insert_threads 0
Delayed_writes 0
Flush_commands 1
Handler_commit 0
Handler_delete 2788
Handler_discover 0
Handler_read_first 5449
Handler_read_key 10950251
Handler_read_next 1416124
Handler_read_prev 12996
Handler_read_rnd 4306003
Handler_read_rnd_next 81629401
Handler_rollback 5
Handler_update 23265
Handler_write 46858620
Key_blocks_not_flushed 0
Key_blocks_unused 337849
Key_blocks_used 276477
Key_read_requests 202337728
Key_reads 1231921
Key_write_requests 52174100
Key_writes 628579
Max_used_connections 11
Not_flushed_delayed_rows 0
Open_files 696
Open_streams 0
Open_tables 375
Opened_tables 2812
Qcache_free_blocks 3319
Qcache_free_memory 12281952
Qcache_hits 96143
Qcache_inserts 64470
Qcache_lowmem_prunes 1936
Qcache_not_cached 9012
Qcache_queries_in_cache 6525
Qcache_total_blocks 16661
Questions 256291
Rpl_status NULL
Select_full_join 22
Select_full_range_join 0
Select_range 10699
Select_range_check 0
Select_scan 26958
Slave_open_temp_tables 0
Slave_retried_transactions 0
Slave_running OFF
Slow_launch_threads 0
Slow_queries 26
Sort_merge_passes 0
Sort_range 19941
Sort_rows 5007939
Sort_scan 16553
Table_locks_immediate 171761
Table_locks_waited 30
Threads_cached 7
Threads_connected 1
Threads_created 11
Threads_running 1
Uptime 120929

8. is your vB the only thing on the server?
I have another test vb - clean install if everything goes well it will get some activity after first of year.

9. how many average and max concurrent users on your vB forum ? and what your cookie timeout is ?
Avg users: ~80
Max: 120
Cookie timeout: 900

10: phpinfo http://www.debatepolitics.com/phpinfo.php

11. Apache
KeepAlive ON
MaxKeepAliveRequests 100
KeepAliveTimeout 15
MinSpareServers 5
MaxSpareServers 10
StartServers 5
MaxClients 150

12. what version of vB are you running ?
3.6.4

13. check to see if any files i.e. apache log files are hitting 2GB
None

14

uname -a
Linux server1.debatepolitics.com 2.6.9-42.0.3.ELsmp #1 SMP Fri Oct 6 06:21:39 CDT 2006 i686 i686 i386 GNU/Linux

ulimit -aH
core file size (blocks, -c) unlimited
data seg size (kbytes, -d) unlimited
file size (blocks, -f) unlimited
pending signals (-i) 1024
max locked memory (kbytes, -l) 32
max memory size (kbytes, -m) unlimited
open files (-n) 1024
pipe size (512 bytes, -p) 8
POSIX message queues (bytes, -q) 819200
stack size (kbytes, -s) unlimited
cpu time (seconds, -t) unlimited
max user processes (-u) 16127
virtual memory (kbytes, -v) unlimited
file locks (-x) unlimited


cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 15
model : 6
model name : Intel(R) Pentium(R) D CPU 2.80GHz
stepping : 2
cpu MHz : 2801.535
cache size : 2048 KB
physical id : 0
siblings : 2
core id : 0
cpu cores : 2
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 6
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm pni monitor ds_cpl cid xtpr
bogomips : 5603.90

processor : 1
vendor_id : GenuineIntel
cpu family : 15
model : 6
model name : Intel(R) Pentium(R) D CPU 2.80GHz
stepping : 2
cpu MHz : 2801.535
cache size : 2048 KB
physical id : 0
siblings : 2
core id : 1
cpu cores : 2
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 6
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm pni monitor ds_cpl cid xtpr
bogomips : 5599.47


Thanks much for your time!!

eva2000
Wed 20th Dec '06, 7:19pm
1. Upgrade MySQL server to 4.1.22
2. Upgrade PHP to 4.4.4 and/or recompile PHP 4.4.4 after upgrading MySQL
3. Edit /etc/my.cnf and place the following mysql server settings in /etc/my.cnf and restart mysql server afterwards


[mysqld]
skip-name-resolve
safe-show-database
back_log = 75
skip-innodb
max_connections = 500
key_buffer = 300M
myisam_sort_buffer_size = 64M
join_buffer_size = 1M
read_buffer_size = 1M
sort_buffer_size = 2M
table_cache = 1800
thread_cache_size = 384
wait_timeout = 15
connect_timeout = 10
tmp_table_size = 64M
max_heap_table_size = 64M
max_allowed_packet = 64M
max_connect_errors = 10
read_rnd_buffer_size = 524288
bulk_insert_buffer_size = 8M
query_cache_limit = 3M
query_cache_size = 64M
query_cache_type = 1
query_prealloc_size = 163840
query_alloc_block_size = 32768
default-storage-engine = MyISAM

[mysqld_safe]
open_files_limit = 8192

[mysqldump]
quick
max_allowed_packet = 16M

[myisamchk]
key_buffer = 64M
sort_buffer = 64M
read_buffer = 16M
write_buffer = 16M

[mysqlhotcopy]
interactive-timeout


4. Install APC Cache lastest version from http://pecl.php.net/package/APC. Read install guide at http://www.vbulletin.com/forum/showthread.php?t=165367 - please remove Zend Optimizer from php.ini before installing APC Cache

5. Edit httpd.conf values from

KeepAlive ON
MaxKeepAliveRequests 100
KeepAliveTimeout 15
MinSpareServers 5
MaxSpareServers 10
StartServers 5
MaxClients 150

to

KeepAlive ON
MaxKeepAliveRequests 100
KeepAliveTimeout 5
MinSpareServers 15
MaxSpareServers 20
StartServers 15
MaxClients 180

maxrequestsperchild set at 500

restart apache

6. If you just upgraded to vB 3.5.x/3.6.x try to disable these 4 options:

Admin CP -> vBulletin Options -> Forums Home Page Options -> Display Logged in Users?

Admin CP -> vBulletin Options -> Forum Display Options (forumdisplay) -> Show Users Browsing Forums

Admin CP -> vBulletin Options -> Thread Display Options -> Show Users Browsing Thread

Admin CP -> vBulletin Options -> Message Searching Options -> Automatic Similar Thread search

vauge
Wed 20th Dec '06, 9:06pm
Thank you. :)

eva2000
Fri 22nd Dec '06, 6:11am
No probs you are welcome :D