Nkan yii yoo jiroro lori iṣẹ akanṣe naa , eyi ti yoo ka awọn akọọlẹ nginx ki o si fi wọn ranṣẹ si Clickhouse cluster. Nigbagbogbo ElasticSearch ni a lo fun awọn akọọlẹ. Tẹ ile nilo awọn orisun ti o dinku (aaye disk, Ramu, Sipiyu). Clickhouse ṣe igbasilẹ data yiyara. Clickhouse rọ data, ṣiṣe awọn data lori disk ani diẹ iwapọ. Awọn anfani ti Clickhouse han ni awọn kikọja 2 lati ijabọ naa
Lati wo awọn atupale ti o da lori awọn akọọlẹ, a yoo ṣẹda dasibodu kan fun Grafana.
Ẹnikẹni nife, kaabo si ologbo.
Fi nginx sori ẹrọ, grafana ni ọna boṣewa.
Fifi a clickhouse iṣupọ lilo ansible-playbook lati .
Ṣiṣẹda infomesonu ati tabili ni Clickhouse
Ninu iyen Awọn ibeere SQL fun ṣiṣẹda awọn data data ati awọn tabili fun nginx-log-collector ni Clickhouse jẹ apejuwe.
A ṣe ibeere kọọkan ni ọkọọkan lori olupin kọọkan ninu iṣupọ Clickhouse.
Akọsilẹ pataki. Ninu ila yii, logs_cluster nilo lati paarọ rẹ pẹlu orukọ iṣupọ rẹ lati inu faili clickhouse_remote_servers.xml laarin "remote_servers" ati "shard".
ENGINE = Distributed('logs_cluster', 'nginx', 'access_log_shard', rand())Fifi sori ẹrọ ati tunto nginx-log-collector-rpm
Nginx-log-odè ko ni rpm kan. Nibi ṣẹda rpm fun u. rpm yoo ṣe akopọ nipa lilo
Fi rpm package nginx-log-collector-rpm sori ẹrọ
yum -y install yum-plugin-copr
yum copr enable antonpatsev/nginx-log-collector-rpm
yum -y install nginx-log-collector
systemctl start nginx-log-collectorṢatunkọ atunto /etc/nginx-log-collector/config.yaml:
.......
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/Ṣiṣeto nginx
Eto nginx gbogbogbo:
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;
}
Olugbalejo foju kan:
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;
}
}Ṣafikun awọn ọmọ-ogun foju si faili /etc/hosts:
ip-адрес-сервера-с-nginx vhost1HTTP server emulator
Gẹgẹbi emulator olupin HTTP a yoo lo lati
Nodejs-stub-server ko ni rpm kan. Nibi ṣẹda rpm fun u. rpm yoo ṣe akopọ nipa lilo
Fi akojọpọ nodejs-stub-server sori ẹrọ nginx rpm ti oke
yum -y install yum-plugin-copr
yum copr enable antonpatsev/nodejs-stub-server
yum -y install stub_http_server
systemctl start stub_http_serverIdanwo Wahala
A ṣe idanwo ni lilo ala Apache.
Fi sori ẹrọ:
yum install -y httpd-toolsA bẹrẹ idanwo ni lilo ala Apache lati awọn olupin oriṣiriṣi 5:
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; doneEto Grafana
Iwọ kii yoo rii dasibodu kan lori oju opo wẹẹbu Grafana osise.
Nitorina, a yoo ṣe pẹlu ọwọ.
O le wa dasibodu ti o fipamọ mi .
O tun nilo lati ṣẹda oniyipada tabili pẹlu awọn akoonu nginx.access_log.
Lapapọ Awọn ibeere Singlestat:
SELECT
1 as t,
count(*) as c
FROM $table
WHERE $timeFilter GROUP BY t
Awọn ibeere Ikuna Singlestat:
SELECT
1 as t,
count(*) as c
FROM $table
WHERE $timeFilter AND status NOT IN (200, 201, 401) GROUP BY t
Ogorun Ikuna Singlestat:
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
Àkókò Ìdáhùn Singlestat:
SELECT
1, avg(request_time) FROM $table
WHERE $timeFilter GROUP BY 1
Aago Idahun Nikan Singlestat:
SELECT
1 as t, max(request_time) as c
FROM $table
WHERE $timeFilter GROUP BY t
Ipo kika:
$columns(status, count(*) as c) from $table
Lati gbejade data bi paii, o nilo lati fi ohun itanna sori ẹrọ ki o tun bẹrẹ grafana.
grafana-cli plugins install grafana-piechart-panel
service grafana-server restartPie TOP 5 Ipo:
SELECT
1, /* fake timestamp value */
status,
sum(status) AS Reqs
FROM $table
WHERE $timeFilter
GROUP BY status
ORDER BY Reqs desc
LIMIT 5
Pẹlupẹlu Emi yoo fun awọn ibeere laisi awọn sikirinisoti:
Ka http_user_agent:
$columns(http_user_agent, count(*) c) FROM $tableOṣuwọn Didara/Oṣuwọn Buburu:
$rate(countIf(status = 200) AS good, countIf(status != 200) AS bad) FROM $tableAkoko Idahun:
$rate(avg(request_time) as request_time) FROM $tableAkoko idahun ti oke (akoko esi oke 1st):
$rate(avg(arrayElement(upstream_response_time,1)) as upstream_response_time) FROM $tableIpo kika Tabili fun gbogbo vhost:
$columns(status, count(*) as c) from $tableGbogbogbo wiwo ti awọn Dasibodu
Afiwera ti avg() ati pipo()
aropin()
opoiye()
Ipari:
Mo nireti pe agbegbe yoo kopa ninu idagbasoke/idanwo ati lilo nginx-log-collector.
Ati nigbati ẹnikan ba ṣe imuse nginx-log-collector, wọn yoo sọ fun ọ iye disk, Ramu, ati Sipiyu ti wọn fipamọ.
Awọn ikanni Telegram:
Milise-aaya:
Si tani milliseconds pataki, jọwọ kọ tabi dibo ninu eyi .
orisun: www.habr.com