Ev gotar dê li ser projeyê nîqaş bike
Ji bo dîtina analîtîkên li ser bingeha têketin, em ê ji bo Grafana tabloyek çêbikin.
Her kesê eleqedar, bi xêr hatî pisîkê.
Nginx, grafana bi awayê standard saz bikin.
Sazkirina komek klîkhouse bi karanîna ansible-playbook from
Afirandina databas û tabloyan li Clickhouse
Li vê
Em her daxwazek yek bi yek li ser her serverek di koma Clickhouse de dikin.
Nîşe girîng. Di vê rêzê de, pêdivî ye ku logs_cluster bi navê koma we ji pelê clickhouse_remote_servers.xml di navbera "remote_servers" û "shard" de were guheztin.
ENGINE = Distributed('logs_cluster', 'nginx', 'access_log_shard', rand())
Sazkirin û mîhengkirina nginx-log-collector-rpm
Nginx-log-collector rpm nîne. Vir
Pakêta rpm nginx-log-collector-rpm saz bikin
yum -y install yum-plugin-copr
yum copr enable antonpatsev/nginx-log-collector-rpm
yum -y install nginx-log-collector
systemctl start nginx-log-collector
Veavakirina /etc/nginx-log-collector/config.yaml biguherîne:
.......
upload:
table: nginx.access_log
dsn: http://ip-адрес-кластера-clickhouse:8123/
- tag: "nginx_error:"
format: error # access | error
buffer_size: 1048576
upload:
table: nginx.error_log
dsn: http://ip-адрес-кластера-clickhouse:8123/
Sazkirina nginx
Veavakirina nginx ya gelemperî:
user nginx;
worker_processes auto;
#error_log /var/log/nginx/error.log warn;
pid /var/run/nginx.pid;
events {
worker_connections 1024;
}
http {
include /etc/nginx/mime.types;
default_type application/octet-stream;
log_format main '$remote_addr - $remote_user [$time_local] "$request" '
'$status $body_bytes_sent "$http_referer" '
'"$http_user_agent" "$http_x_forwarded_for"';
log_format avito_json escape=json
'{'
'"event_datetime": "$time_iso8601", '
'"server_name": "$server_name", '
'"remote_addr": "$remote_addr", '
'"remote_user": "$remote_user", '
'"http_x_real_ip": "$http_x_real_ip", '
'"status": "$status", '
'"scheme": "$scheme", '
'"request_method": "$request_method", '
'"request_uri": "$request_uri", '
'"server_protocol": "$server_protocol", '
'"body_bytes_sent": $body_bytes_sent, '
'"http_referer": "$http_referer", '
'"http_user_agent": "$http_user_agent", '
'"request_bytes": "$request_length", '
'"request_time": "$request_time", '
'"upstream_addr": "$upstream_addr", '
'"upstream_response_time": "$upstream_response_time", '
'"hostname": "$hostname", '
'"host": "$host"'
'}';
access_log syslog_server=unix:/var/run/nginx_log.sock,nohostname,tag=nginx avito_json; #ClickHouse
error_log syslog_server=unix:/var/run/nginx_log.sock,nohostname,tag=nginx_error; #ClickHouse
#access_log /var/log/nginx/access.log main;
proxy_ignore_client_abort on;
sendfile on;
keepalive_timeout 65;
include /etc/nginx/conf.d/*.conf;
}
Yek mêvandarê virtual:
vhost1.conf:
upstream backend {
server ip-адрес-сервера-с-stub_http_server:8080;
server ip-адрес-сервера-с-stub_http_server:8080;
server ip-адрес-сервера-с-stub_http_server:8080;
server ip-адрес-сервера-с-stub_http_server:8080;
server ip-адрес-сервера-с-stub_http_server:8080;
}
server {
listen 80;
server_name vhost1;
location / {
proxy_pass http://backend;
}
}
Mêvanên virtual li pelê /etc/hosts zêde bikin:
ip-адрес-сервера-с-nginx vhost1
Emûlatorê servera HTTP
Em ê wekî emûlatorek servera HTTP bikar bînin
Nodejs-stub-server rpm tune. Vir
Pakêta nodejs-stub-server li ser jorîn nginx rpm saz bikin
yum -y install yum-plugin-copr
yum copr enable antonpatsev/nodejs-stub-server
yum -y install stub_http_server
systemctl start stub_http_server
Testkirina Stresê
Em ceribandinê bi karanîna pîvana Apache pêk tînin.
Saz bike:
yum install -y httpd-tools
Em dest bi ceribandinê dikin ku pîvana Apache ji 5 serverên cihêreng bikar tînin:
while true; do ab -H "User-Agent: 1server" -c 10 -n 10 -t 10 http://vhost1/; sleep 1; done
while true; do ab -H "User-Agent: 2server" -c 10 -n 10 -t 10 http://vhost1/; sleep 1; done
while true; do ab -H "User-Agent: 3server" -c 10 -n 10 -t 10 http://vhost1/; sleep 1; done
while true; do ab -H "User-Agent: 4server" -c 10 -n 10 -t 10 http://vhost1/; sleep 1; done
while true; do ab -H "User-Agent: 5server" -c 10 -n 10 -t 10 http://vhost1/; sleep 1; done
Damezrandina Grafana
Hûn ê li ser malpera fermî ya Grafana dashboardek nabînin.
Ji ber vê yekê, em ê bi destê xwe bikin.
Hûn dikarin tabloya min a tomarkirî bibînin
Her weha hûn hewce ne ku guhêrbarek tabloyê bi naverokê re biafirînin nginx.access_log
.
Tevahiya Daxwazên Singlestat:
SELECT
1 as t,
count(*) as c
FROM $table
WHERE $timeFilter GROUP BY t
Daxwazên Serketî yên Singlestat:
SELECT
1 as t,
count(*) as c
FROM $table
WHERE $timeFilter AND status NOT IN (200, 201, 401) GROUP BY t
Ji sedî têkçûna yekdestê:
SELECT
1 as t, (sum(status = 500 or status = 499)/sum(status = 200 or status = 201 or status = 401))*100 FROM $table
WHERE $timeFilter GROUP BY t
Demjimêra Bersiva Navîn a Singlestat:
SELECT
1, avg(request_time) FROM $table
WHERE $timeFilter GROUP BY 1
Dema Bersivê ya Singlestat Max:
SELECT
1 as t, max(request_time) as c
FROM $table
WHERE $timeFilter GROUP BY t
Rewşa hejmartinê:
$columns(status, count(*) as c) from $table
Ji bo derxistina daneyan mîna pie, hûn hewce ne ku pêvekê saz bikin û grafana ji nû ve bidin destpêkirin.
grafana-cli plugins install grafana-piechart-panel
service grafana-server restart
Rewşa Pie TOP 5:
SELECT
1, /* fake timestamp value */
status,
sum(status) AS Reqs
FROM $table
WHERE $timeFilter
GROUP BY status
ORDER BY Reqs desc
LIMIT 5
Zêdetir ez ê daxwazan bêyî dîmenan bidim:
Hejmara http_user_agent:
$columns(http_user_agent, count(*) c) FROM $table
Rêjeya Baş / Rêjeya Nebaş:
$rate(countIf(status = 200) AS good, countIf(status != 200) AS bad) FROM $table
Demjimêra bersivê:
$rate(avg(request_time) as request_time) FROM $table
Dema bersivê ya jorîn (dema bersivê ya 1emîn):
$rate(avg(arrayElement(upstream_response_time,1)) as upstream_response_time) FROM $table
Rewşa Hejmara Tabloyê ji bo hemî vhost:
$columns(status, count(*) as c) from $table
Dîtina giştî ya dashboardê
Berawirdkirina avg() û quantile()
avg()
quantile ()
Encam:
Ez hêvî dikim ku civak dê beşdarî pêşkeftin / ceribandin û karanîna nginx-log-collector bibe.
Û gava ku kesek nginx-log-collector bicîh tîne, ew ê ji we re vebêje ka ew çiqas li ser dîsk, RAM, û CPU-yê xilas kiriye.
Kanalên Telegram:
Mîlyoserk:
Ji kê re millisecond girîng in, ji kerema xwe li vê binivîsin an deng bidin
Source: www.habr.com