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Please login or register. 2024-04-27, 23:23:14

Author Topic: serve error perlu direstart  (Read 3509 times)

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Offline julian

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serve error perlu direstart
« on: 2017-01-20, 12:42:25 »
Saya menggunakan vps di digital ocean, kloxomr 6.5 dan wordpress untuk CMS nya
dalam seminggu 1-2x selalu mengalami error tidak dapat diakses
database error.....
sehingga tidak bisa login kedalam kloxonya walaupun login dan passwordnya benar.

yg saya lakukan adalah dengan ssh melakukan sh /script/restart-all
dan hasilnya normal kembali.

pertanyaanya kenapa ini sering terjadi dan bagaimana cara mengatasinya
terima kasih sebelumnya

Offline MRatWork

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Re: serve error perlu direstart
« Reply #1 on: 2017-01-20, 12:44:51 »
Coba saja 'sh /script/mysql-optimize --select=repair'. Siapa tahu ada database yang error.
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Offline julian

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Re: serve error perlu direstart
« Reply #2 on: 2017-01-23, 04:03:47 »
terima kasih mas, saya coba dahulu. semoga tidak ada masalah lagi nantinya

Offline julian

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Re: serve error perlu direstart
« Reply #3 on: 2017-01-27, 05:47:21 »
sudah di repair dan masih error kembali mas
"Error Establishing a Database Connection"
dan saya sudah coba 'sh /script/cleanup' juga

setiap kali di reboot normal lagi, tapi dalam beberapa hari erro kembali

mohon masukkannya. terima kasih


Offline MRatWork

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Re: serve error perlu direstart
« Reply #4 on: 2017-01-27, 05:55:15 »
Infokan 'sh /script/sysinfo; cat /etc/my.cnf'.
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Offline julian

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Re: serve error perlu direstart
« Reply #5 on: 2017-01-27, 08:32:23 »
ini mas

Code: [Select]
A. Kloxo-MR: 6.5.0.f-2016111301

B. OS: CentOS release 6.8 (Final) x86_64

C. Apps:
   1. MySQL: mysql55-5.5.54-1.ius.el6.x86_64
   2. PHP: php53u-5.3.29-1.ius.centos6.x86_64
   3. Httpd: httpd-2.2.31-1.mr.el6.x86_64
   4. Lighttpd: --uninstalled--
   5. Nginx: --uninstalled--
   6. Qmail: qmail-toaster-1.03-1.3.55.mr.el6.x86_64
      - with: courier-imap-toaster-4.1.2-1.3.20.mr.el6.x86_64
   7. Dns: bind-9.9.7-1.mr.el6.x86_64

D. Php-type (for Httpd/proxy):

E. Memory:
                total       used       free     shared    buffers     cached
   Mem:           490        439         51          0         10        174
   -/+ buffers/cache:        254        235
   Swap:            0          0          0

##  _______________________________________________________________________
## / Rackspace MySQL 5.5 Terse Configuration File                          \
## |                                                                       |
## | This is a base configuration file containing the most frequently used |
## | settings with reasonably defined default values for configuring and   |
## | tuning MySQL. Note that these settings can likely be further tuned in |
## | order to get optimum performance from MySQL based upon the database   |
## | configuration and hardware platform.                                  |
## |                                                                       |
## | While the settings provided are likely sufficient for most            |
## | situations, an exhaustive list of settings (with descriptions) can be |
## | found at:                                                             |
## | http://dev.mysql.com/doc/refman/5.5/en/server-system-variables.html   |
## |                                                                       |
## | Take care to only add/remove/change a setting if you are comfortable  |
## | doing so! For Rackspace customers, if you have any questions or       |
## | concerns, please contact the MySQL Database Services Team. Be aware   |
## | that some work performed by this team can involve additional billable |
## \ fees.                                                                 /
##  -----------------------------------------------------------------------
##         \   ^__^
##          \  (oo)\_______
##             (__)\       )\/\
##                 ||----w |
##                 ||     ||

[mysqld]
#OpenVZ AIO bug fix
innodb_use_native_aio=0

## General
datadir                         = /var/lib/mysql
tmpdir                          = /var/lib/mysqltmp
socket                          = /var/lib/mysql/mysql.sock
skip-name-resolve
sql-mode                        = NO_ENGINE_SUBSTITUTION
#event-scheduler                = 1

## Cache
thread-cache-size               = 16
table-open-cache                = 4096
table-definition-cache          = 2048
query-cache-size                = 32M
query-cache-limit               = 1M

## Per-thread Buffers
sort-buffer-size                = 1M
read-buffer-size                = 1M
read-rnd-buffer-size            = 1M
join-buffer-size                = 1M

## Temp Tables
tmp-table-size                  = 32M
max-heap-table-size             = 64M

## Networking
back-log                        = 100
#max-connections                = 200
max-connect-errors              = 10000
max-allowed-packet              = 16M
interactive-timeout             = 3600
wait-timeout                    = 600

### Storage Engines
#default-storage-engine         = InnoDB
innodb                          = FORCE

## MyISAM
key-buffer-size                 = 64M
myisam-sort-buffer-size         = 128M

## InnoDB
#innodb-buffer-pool-size        = 128M
#innodb-log-file-size           = 100M
#innodb-log-buffer-size         = 8M
#innodb-file-per-table          = 1
#innodb-open-files              = 300

## Replication
server-id                       = 1
#log-bin                        = /var/log/mysql/bin-log
#relay-log                      = /var/log/mysql/relay-log
relay-log-space-limit           = 16G
expire-logs-days                = 7
#read-only                      = 1
#sync-binlog                    = 1
#log-slave-updates              = 1
#binlog-format                  = STATEMENT
#auto-increment-offset          = 1
#auto-increment-increment       = 2

## Logging
#log-output                      = FILE
#slow-query-log                  = 1
#slow-query-log-file             = /var/log/mysql/slow-log
#log-slow-slave-statements
#long-query-time                 = 2

[mysqld_safe]
log-error                       = /var/log/mysqld.log
open-files-limit                = 65535

[mysql]
no-auto-rehash

Offline MRatWork

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Re: serve error perlu direstart
« Reply #6 on: 2017-01-27, 09:57:33 »
Kelihatannya anda pakai innodb untuk mysql. Memang 'mysql-optimize' tidak bisa repair database jika pakai innodb. Hanya myisam atau aria storage-engine yang bisa.
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Offline julian

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Re: serve error perlu direstart
« Reply #7 on: 2017-01-27, 10:31:48 »
bagaimana solusi untuk memperbaikinya?

Offline MRatWork

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Re: serve error perlu direstart
« Reply #8 on: 2017-01-27, 11:57:19 »
Wah, kalau innodb harus dilakukan proses backup-restore untuk databasenya.

Dalam banyak kasus, tidak perlu pakai innodb. Jika ingin pakai myisam perlu dilakukan convert dari innodb ke myisam. Baru kemudian dilakukan repair jika diperlukan.
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