Billi hija miktuba fil-lingwa Rust, hija kkaratterizzata minn prestazzjoni għolja u konsum baxx ta 'RAM meta mqabbla mal-analogi tagħha. Barra minn hekk, tingħata ħafna attenzjoni lill-funzjonijiet relatati mal-korrettezza, b'mod partikolari, l-abbiltà li tissejvja avvenimenti mhux mibgħuta f'buffer fuq disk u ddawwar fajls.
Arkitetturalment, Vector huwa router tal-avvenimenti li jirċievi messaġġi minn wieħed jew aktar sorsi, b'għażla li tapplika fuq dawn il-messaġġi trasformazzjonijiet, u tibgħathom lil wieħed jew aktar drenaġġ.
Vector huwa sostitut għal filebeat u logstash, jista 'jaġixxi fiż-żewġ rwoli (jirċievi u jibgħat zkuk), aktar dettalji dwarhom Online.
Jekk f'Logstash il-katina hija mibnija bħala input → filtru → output allura fil-Vector hija sorsi → jittrasforma → sinkijiet
Eżempji jistgħu jinstabu fid-dokumentazzjoni.
Din l-istruzzjoni hija struzzjoni riveduta minn Vyacheslav Rakhinsky. L-istruzzjonijiet oriġinali fihom l-ipproċessar tal-geoip. Meta ttestja geoip minn netwerk intern, vector ta żball.
Aug 05 06:25:31.889 DEBUG transform{name=nginx_parse_rename_fields type=rename_fields}: vector::transforms::rename_fields: Field did not exist field=«geoip.country_name» rate_limit_secs=30
Jekk xi ħadd irid jipproċessa geoip, imbagħad irreferi għall-istruzzjonijiet oriġinali minn Vyacheslav Rakhinsky.
Aħna ser tikkonfigura l-kombinazzjoni ta 'Nginx (logs ta' aċċess) → Vector (Klijent | Filebeat) → Vector (Server | Logstash) → separatament f'Clickhouse u separatament f'Elasticsearch. Se ninstallaw 4 servers. Għalkemm tista' tevitaha bi 3 servers.
L-iskema hija xi ħaġa bħal din.
Itfi Selinux fuq is-servers kollha tiegħek
sed -i 's/^SELINUX=.*/SELINUX=disabled/g' /etc/selinux/config
reboot
Aħna ninstallaw emulatur ta 'server HTTP + utilitajiet fuq is-servers kollha
ClickHouse juża s-sett ta' struzzjonijiet SSE 4.2, għalhekk sakemm ma jkunx speċifikat mod ieħor, l-appoġġ għalih fil-proċessur użat isir rekwiżit tas-sistema addizzjonali. Hawn hu l-kmand biex tivverifika jekk il-proċessur attwali jappoġġjax SSE 4.2:
Konfigurazzjoni ta' Elasticsearch għall-modalità ta' nodu wieħed 1 shard, 0 replika. X'aktarx li jkollok raggruppament ta 'numru kbir ta' servers u m'għandekx bżonn tagħmel dan.
INFO vector::topology::builder: Healthcheck: Passed.
INFO vector::topology::builder: Healthcheck: Passed.
Fuq il-klijent (Web server) - l-1 server
Fuq is-server b'nginx, trid tiddiżattiva l-ipv6, peress li t-tabella tar-zkuk f'clickhouse tuża l-qasam upstream_addr IPv4, peress li jien ma nużax ipv6 ġewwa n-netwerk. Jekk ipv6 ma jintefax, ikun hemm żbalji:
DB::Exception: Invalid IPv4 value.: (while read the value of key upstream_addr)
user nginx;
# you must set worker processes based on your CPU cores, nginx does not benefit from setting more than that
worker_processes auto; #some last versions calculate it automatically
# number of file descriptors used for nginx
# the limit for the maximum FDs on the server is usually set by the OS.
# if you don't set FD's then OS settings will be used which is by default 2000
worker_rlimit_nofile 100000;
error_log /var/log/nginx/error.log warn;
pid /var/run/nginx.pid;
# provides the configuration file context in which the directives that affect connection processing are specified.
events {
# determines how much clients will be served per worker
# max clients = worker_connections * worker_processes
# max clients is also limited by the number of socket connections available on the system (~64k)
worker_connections 4000;
# optimized to serve many clients with each thread, essential for linux -- for testing environment
use epoll;
# accept as many connections as possible, may flood worker connections if set too low -- for testing environment
multi_accept on;
}
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 vector escape=json
'{'
'"node_name":"nginx-vector",'
'"timestamp":"$time_iso8601",'
'"server_name":"$server_name",'
'"request_full": "$request",'
'"request_user_agent":"$http_user_agent",'
'"request_http_host":"$http_host",'
'"request_uri":"$request_uri",'
'"request_scheme": "$scheme",'
'"request_method":"$request_method",'
'"request_length":"$request_length",'
'"request_time": "$request_time",'
'"request_referrer":"$http_referer",'
'"response_status": "$status",'
'"response_body_bytes_sent":"$body_bytes_sent",'
'"response_content_type":"$sent_http_content_type",'
'"remote_addr": "$remote_addr",'
'"remote_port": "$remote_port",'
'"remote_user": "$remote_user",'
'"upstream_addr": "$upstream_addr",'
'"upstream_bytes_received": "$upstream_bytes_received",'
'"upstream_bytes_sent": "$upstream_bytes_sent",'
'"upstream_cache_status":"$upstream_cache_status",'
'"upstream_connect_time":"$upstream_connect_time",'
'"upstream_header_time":"$upstream_header_time",'
'"upstream_response_length":"$upstream_response_length",'
'"upstream_response_time":"$upstream_response_time",'
'"upstream_status": "$upstream_status",'
'"upstream_content_type":"$upstream_http_content_type"'
'}';
access_log /var/log/nginx/access.log main;
access_log /var/log/nginx/access.json.log vector; # Новый лог в формате json
sendfile on;
#tcp_nopush on;
keepalive_timeout 65;
#gzip on;
include /etc/nginx/conf.d/*.conf;
}
Sabiex ma tiksirx il-konfigurazzjoni attwali tiegħek, Nginx jippermettilek li jkollok diversi direttivi access_log
access_log /var/log/nginx/access.log main; # Стандартный лог
access_log /var/log/nginx/access.json.log vector; # Новый лог в формате json
Tinsiex li żżid regola għal logrotate għal zkuk ġodda (jekk il-fajl tal-ġurnal ma jispiċċax b'.log)
U kkonfigura s-sostituzzjoni tal-Filebeat fil-konfigurazzjoni /etc/vector/vector.toml. L-indirizz IP 172.26.10.108 huwa l-indirizz IP tas-server tal-log (Vector-Server)
data_dir = "/var/lib/vector"
[sources.nginx_file]
type = "file"
include = [ "/var/log/nginx/access.json.log" ]
start_at_beginning = false
fingerprinting.strategy = "device_and_inode"
[sinks.nginx_output_vector]
type = "vector"
inputs = [ "nginx_file" ]
address = "172.26.10.108:9876"
Tinsiex li żżid l-utent tal-vector mal-grupp meħtieġ sabiex ikun jista 'jaqra fajls log. Pereżempju, nginx f'centos joħloq zkuk bi drittijiet tal-grupp adm.
usermod -a -G adm vector
Ejja nibdew is-servizz vector
systemctl enable vector
systemctl start vector
Iz-zkuk tal-vector jistgħu jarawh hekk:
journalctl -f -u vector
Għandu jkun hemm daħla bħal din fir-zkuk
INFO vector::topology::builder: Healthcheck: Passed.
Ittestjar tal-istress
Aħna nwettqu l-ittestjar bl-użu ta 'benchmark Apache.
Il-pakkett httpd-tools ġie installat fuq is-servers kollha
Nibdew nittestjaw bl-użu ta 'benchmark Apache minn 4 servers differenti fl-iskrin. L-ewwel, inniedu l-multiplexer tat-terminal tal-iskrin, u mbagħad nibdew nittestjaw bl-użu tal-benchmark Apache. Kif taħdem bl-iskrin tista' ssib ġo artikolu.
Mill-1 server
while true; do ab -H "User-Agent: 1server" -c 100 -n 10 -t 10 http://vhost1/; sleep 1; done
Mill-2 server
while true; do ab -H "User-Agent: 2server" -c 100 -n 10 -t 10 http://vhost2/; sleep 1; done
Mill-3 server
while true; do ab -H "User-Agent: 3server" -c 100 -n 10 -t 10 http://vhost3/; sleep 1; done
Mill-4 server
while true; do ab -H "User-Agent: 4server" -c 100 -n 10 -t 10 http://vhost4/; sleep 1; done
select concat(database, '.', table) as table,
formatReadableSize(sum(bytes)) as size,
sum(rows) as rows,
max(modification_time) as latest_modification,
sum(bytes) as bytes_size,
any(engine) as engine,
formatReadableSize(sum(primary_key_bytes_in_memory)) as primary_keys_size
from system.parts
where active
group by database, table
order by bytes_size desc;
Ejja nsiru nafu kemm ħadu zkuk fi Clickhouse.
Id-daqs tat-tabella taz-zkuk huwa 857.19 MB.
Id-daqs tal-istess dejta fl-indiċi f'Elasticsearch huwa 4,5GB.
Jekk ma tispeċifikax id-dejta fil-vettur fil-parametri, Clickhouse jieħu 4500/857.19 = 5.24 darbiet inqas milli f'Elasticsearch.
Fil-vettur, il-qasam tal-kompressjoni jintuża awtomatikament.