arubadan 1euroluk 1 gb ram ve 20 gb alanlı vps alıp içerisine vesta kurup wordpress sitem var bu siteyi android uygulamam ile bağladım 1k geçgin kullanıcım var hersey normalken bildirim anttığımda tüm kullanıcıların uygulamasına bildirim gidiyor ve anında 1000 kişi siteyi açmış gibi yükleniyor ve site çöküyor aradan 30 sn sonra düzeliyor ama kullanıcılar açısından çok olumsuz etkiliyor mysql ve apache ayarlarından kullanıcı sayısını arttırdım fakat yinede bir çözüm sağlanmadı

apache ayarlarım şöyle

# It is split into several files forming the configuration hierarchy outlined
# below, all located in the /etc/apache2/ directory:
#
#    /etc/apache2/
#    |-- apache2.conf
#    |    `--  ports.conf
#    |-- mods-enabled
#    |    |-- *.load
#    |    `-- *.conf
#    |-- conf.d
#    |    `-- *
# Global configuration
PidFile ${APACHE_PID_FILE}
Timeout 30
KeepAlive Off
MaxKeepAliveRequests 100
KeepAliveTimeout 10
<IfModule mpm_prefork_module>
    StartServers          8
    MinSpareServers       5
    MaxSpareServers      20
    ServerLimit         256
    MaxClients          200
    MaxRequestsPerChild 4000
</IfModule>
<IfModule mpm_worker_module>
    StartServers          2
    MinSpareThreads      25
    MaxSpareThreads      75
    ThreadLimit          64
    ThreadsPerChild      25
    MaxClients          200
    MaxRequestsPerChild 4000
</IfModule>
<IfModule mpm_event_module>
    StartServers          2
    MinSpareThreads      25
    MaxSpareThreads      75
    ThreadLimit          64
    ThreadsPerChild      25
    MaxClients          200
    MaxRequestsPerChild 4000
</IfModule>
# These need to be set in /etc/apache2/envvars
User ${APACHE_RUN_USER}
Group ${APACHE_RUN_GROUP}
#User www-data
#Group www-data
AccessFileName .htaccess
<Files ~ "^\.ht">
    Order allow,deny
    Deny from all
    Satisfy all
</Files>
DefaultType None
HostnameLookups Off
ErrorLog ${APACHE_LOG_DIR}/error.log
LogLevel warn
# Include module configuration:
Include mods-enabled/*.load
Include mods-enabled/*.conf
# Include list of ports to listen on and which to use for name based vhosts
Include ports.conf
LogFormat "%v:%p %h %l %u %t \"%r\" %>s %O \"%{Referer}i\" \"%{User-Agent}i\"" vhost_combined
LogFormat "%h %l %u %t \"%r\" %>s %O \"%{Referer}i\" \"%{User-Agent}i\"" combined
LogFormat "%h %l %u %t \"%r\" %>s %O" common
LogFormat "%{Referer}i -> %U" referer
LogFormat "%{User-agent}i" agent
LogFormat "%b" bytes
Include conf.d/
# Include the virtual host configurations:
#Include sites-enabled/

mysql ayarlarım şöyle

[client]
port=3306
socket=/var/run/mysqld/mysqld.sock
[mysqld_safe]
socket=/var/run/mysqld/mysqld.sock
[mysqld]
user=mysql
pid-file=/var/run/mysqld/mysqld.pid
socket=/var/run/mysqld/mysqld.sock
port=3306
basedir=/usr
datadir=/var/lib/mysql
tmpdir=/tmp
lc-messages-dir=/usr/share/mysql
log_error=/var/log/mysql/error.log
symbolic-links=0
skip-external-locking
key_buffer_size = 16K
max_allowed_packet = 1M
table_open_cache = 4
sort_buffer_size = 64K
read_buffer_size = 256K
read_rnd_buffer_size = 256K
net_buffer_length = 2K
thread_stack = 240K
#innodb_use_native_aio = 0
innodb_file_per_table
max_connections=30
max_user_connections=20
wait_timeout=10
interactive_timeout=50
long_query_time=5
!includedir /etc/mysql/conf.d/