, e etselitsoeng ho bokella, ho fetola le ho romela data ea log, metrics le liketsahalo.
→
E ngotsoe ka puo ea Rust, e tšoauoa ka ts'ebetso e phahameng le tšebeliso e tlase ea RAM ha e bapisoa le li-analogues tsa eona. Ntle le moo, ho lebisoa tlhokomelo e ngata mesebetsing e amanang le ho nepahala, haholo-holo, bokhoni ba ho boloka liketsahalo tse sa romelloang ho buffer ho disk le ho potoloha lifaele.
Ka meralo, Vector ke router ea ketsahalo e amohelang melaetsa ho tsoa ho e le 'ngoe kapa ho feta mehloli, ka boikhethelo ho sebelisa melaetsa ena liphetoho, le ho li romela ho a le mong kapa ho feta li-drain.
Vector ke sebaka sa filebeat le logstash, e ka sebetsa likarolong tse peli (ho amohela le ho romela li-log), lintlha tse ling ho tsona. .
Haeba ho Logstash ketane e hahiloe joalo ka kenyelletso → sefa → tlhahiso ebe ho Vector ho joalo → →
Mehlala e ka fumanoa litokomaneng.
Taelo ena ke taelo e nchafalitsoeng e tsoang ho . Litaelo tsa mantlha li na le ts'ebetso ea geoip. Ha u leka geoip ho tsoa ho marang-rang a ka hare, vector e fane ka phoso.
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=30Haeba mang kapa mang a hloka ho sebetsana le geoip, joale sheba litaelo tsa mantlha tse tsoang ho .
Re tla lokisa motsoako oa Nginx (Access logs) → Vector (Client | Filebeat) → Vector (Server | Logstash) → ka thoko ho Clickhouse le ka thoko ho Elasticsearch. Re tla kenya li-server tse 4. Leha o ka e feta ka li-server tse 3.
Morero ke ntho e kang ena.
Tlosa Selinux ho li-server tsohle tsa hau
sed -i 's/^SELINUX=.*/SELINUX=disabled/g' /etc/selinux/config
rebootRe kenya emulator ea seva sa HTTP + lisebelisoa ho li-server tsohle
Joaloka emulator ea seva sa HTTP re tla e sebelisa от
Nodejs-stub-server ha e na rpm. theha rpm bakeng sa eona. rpm e tla hahuoa ho sebelisoa
Kenya polokelo ea antonpatsev/nodejs-stub-server
yum -y install yum-plugin-copr epel-release
yes | yum copr enable antonpatsev/nodejs-stub-serverKenya nodejs-stub-server, benchmark ea Apache le multiplexer ea skrine ho li-server tsohle
yum -y install stub_http_server screen mc httpd-tools screenKe lokiselitse nako ea karabelo ea stub_http_server ho file ea /var/lib/stub_http_server/stub_http_server.js hore ho be le li-log tse ngata.
var max_sleep = 10;Ha re qaleng stub_http_server.
systemctl start stub_http_server
systemctl enable stub_http_serverho seva 3
ClickHouse e sebelisa sete ea litaelo tsa SSE 4.2, kahoo ntle le haeba ho boletsoe ka tsela e 'ngoe, tšehetso ea eona ho processor e sebelisitsoeng e fetoha tlhoko e eketsehileng ea sistimi. Mona ke taelo ea ho lekola hore na processor ea hajoale e tšehetsa SSE 4.2:
grep -q sse4_2 /proc/cpuinfo && echo "SSE 4.2 supported" || echo "SSE 4.2 not supported"Pele o hloka ho hokahanya polokelo ea semmuso:
sudo yum install -y yum-utils
sudo rpm --import https://repo.clickhouse.tech/CLICKHOUSE-KEY.GPG
sudo yum-config-manager --add-repo https://repo.clickhouse.tech/rpm/stable/x86_64Ho kenya liphutheloana u hloka ho tsamaisa litaelo tse latelang:
sudo yum install -y clickhouse-server clickhouse-clientLumella li-clickhouse-server ho mamela karete ea marang-rang faeleng /etc/clickhouse-server/config.xml
<listen_host>0.0.0.0</listen_host>Ho fetola boemo ba ho rema lifate ho tloha ho trace ho ea ho debug
debug
Litlhophiso tse tloaelehileng tsa compression:
min_compress_block_size 65536
max_compress_block_size 1048576Ho kenya tšebetsong compression ea Zstd, ho ile ha eletsoa hore e se ke ea ama tlhophiso, empa ho e-na le hoo e sebelise DDL.
Ha kea fumana mokhoa oa ho sebelisa compression ea zstd ka DDL ho Google. Kahoo ke ile ka e tlohela e le joalo.
Basebetsi-'moho le uena ba sebelisang zstd compression ho Clickhouse, ka kopo arolelana litaelo.
Ho qala seva joalo ka daemon, matha:
service clickhouse-server startJoale ha re tsoeleng pele ho theha Clickhouse
Eya ho Clickhouse
clickhouse-client -h 172.26.10.109 -m172.26.10.109 - IP ea seva moo Clickhouse e kentsoeng teng.
Ha re theheng database ea vector
CREATE DATABASE vector;Ha re hlahlobeng hore na database e teng.
show databases;Theha tafole ea vector.logs.
/* Это таблица где хранятся логи как есть */
CREATE TABLE vector.logs
(
`node_name` String,
`timestamp` DateTime,
`server_name` String,
`user_id` String,
`request_full` String,
`request_user_agent` String,
`request_http_host` String,
`request_uri` String,
`request_scheme` String,
`request_method` String,
`request_length` UInt64,
`request_time` Float32,
`request_referrer` String,
`response_status` UInt16,
`response_body_bytes_sent` UInt64,
`response_content_type` String,
`remote_addr` IPv4,
`remote_port` UInt32,
`remote_user` String,
`upstream_addr` IPv4,
`upstream_port` UInt32,
`upstream_bytes_received` UInt64,
`upstream_bytes_sent` UInt64,
`upstream_cache_status` String,
`upstream_connect_time` Float32,
`upstream_header_time` Float32,
`upstream_response_length` UInt64,
`upstream_response_time` Float32,
`upstream_status` UInt16,
`upstream_content_type` String,
INDEX idx_http_host request_http_host TYPE set(0) GRANULARITY 1
)
ENGINE = MergeTree()
PARTITION BY toYYYYMMDD(timestamp)
ORDER BY timestamp
TTL timestamp + toIntervalMonth(1)
SETTINGS index_granularity = 8192;Re hlahloba hore na litafole li entsoe. Ha re qaleng clickhouse-client mme o etse kopo.
Ha re ee ho database ea vector.
use vector;
Ok.
0 rows in set. Elapsed: 0.001 sec.Ha re shebeng litafole.
show tables;
┌─name────────────────┐
│ logs │
└─────────────────────┘Ho kenya elasticsearch ho seva sa 4 ho romella data e tšoanang ho Elasticsearch bakeng sa ho bapisa le Clickhouse
Kenya konopo ea public rpm
rpm --import https://artifacts.elastic.co/GPG-KEY-elasticsearchHa re theheng 2 repo:
/etc/yum.repos.d/elasticsearch.repo
[elasticsearch]
name=Elasticsearch repository for 7.x packages
baseurl=https://artifacts.elastic.co/packages/7.x/yum
gpgcheck=1
gpgkey=https://artifacts.elastic.co/GPG-KEY-elasticsearch
enabled=0
autorefresh=1
type=rpm-md/etc/yum.repos.d/kibana.repo
[kibana-7.x]
name=Kibana repository for 7.x packages
baseurl=https://artifacts.elastic.co/packages/7.x/yum
gpgcheck=1
gpgkey=https://artifacts.elastic.co/GPG-KEY-elasticsearch
enabled=1
autorefresh=1
type=rpm-mdKenya elasticsearch le kibana
yum install -y kibana elasticsearchKaha e tla ba kopi e le 'ngoe, o hloka ho kenyelletsa tse latelang ho file ea /etc/elasticsearch/elasticsearch.yml:
discovery.type: single-nodeE le hore vector e ka romela data ho elasticsearch ho tloha ho seva se seng, ha re fetoleng network.host.
network.host: 0.0.0.0Ho hokela kibana, fetola parameter ea server.host faeleng /etc/kibana/kibana.yml
server.host: "0.0.0.0"Khale 'me e kenyelletsa elasticsearch ho autostart
systemctl enable elasticsearch
systemctl start elasticsearchle kibana
systemctl enable kibana
systemctl start kibanaE hlophisa Elasticsearch bakeng sa mofuta oa node e le 'ngoe 1 shard, 0 replica. Mohlomong u tla ba le sehlopha sa li-server tse ngata 'me ha ho hlokahale hore u etse sena.
Bakeng sa li-index tsa nako e tlang, ntlafatsa template ea kamehla:
curl -X PUT http://localhost:9200/_template/default -H 'Content-Type: application/json' -d '{"index_patterns": ["*"],"order": -1,"settings": {"number_of_shards": "1","number_of_replicas": "0"}}' bophirima e le sebaka sa Logstash ho seva 2
yum install -y https://packages.timber.io/vector/0.9.X/vector-x86_64.rpm mc httpd-tools screenHa re theheng Vector e le sebaka sa Logstash. Ho hlophisa faele /etc/vector/vector.toml
# /etc/vector/vector.toml
data_dir = "/var/lib/vector"
[sources.nginx_input_vector]
# General
type = "vector"
address = "0.0.0.0:9876"
shutdown_timeout_secs = 30
[transforms.nginx_parse_json]
inputs = [ "nginx_input_vector" ]
type = "json_parser"
[transforms.nginx_parse_add_defaults]
inputs = [ "nginx_parse_json" ]
type = "lua"
version = "2"
hooks.process = """
function (event, emit)
function split_first(s, delimiter)
result = {};
for match in (s..delimiter):gmatch("(.-)"..delimiter) do
table.insert(result, match);
end
return result[1];
end
function split_last(s, delimiter)
result = {};
for match in (s..delimiter):gmatch("(.-)"..delimiter) do
table.insert(result, match);
end
return result[#result];
end
event.log.upstream_addr = split_first(split_last(event.log.upstream_addr, ', '), ':')
event.log.upstream_bytes_received = split_last(event.log.upstream_bytes_received, ', ')
event.log.upstream_bytes_sent = split_last(event.log.upstream_bytes_sent, ', ')
event.log.upstream_connect_time = split_last(event.log.upstream_connect_time, ', ')
event.log.upstream_header_time = split_last(event.log.upstream_header_time, ', ')
event.log.upstream_response_length = split_last(event.log.upstream_response_length, ', ')
event.log.upstream_response_time = split_last(event.log.upstream_response_time, ', ')
event.log.upstream_status = split_last(event.log.upstream_status, ', ')
if event.log.upstream_addr == "" then
event.log.upstream_addr = "127.0.0.1"
end
if (event.log.upstream_bytes_received == "-" or event.log.upstream_bytes_received == "") then
event.log.upstream_bytes_received = "0"
end
if (event.log.upstream_bytes_sent == "-" or event.log.upstream_bytes_sent == "") then
event.log.upstream_bytes_sent = "0"
end
if event.log.upstream_cache_status == "" then
event.log.upstream_cache_status = "DISABLED"
end
if (event.log.upstream_connect_time == "-" or event.log.upstream_connect_time == "") then
event.log.upstream_connect_time = "0"
end
if (event.log.upstream_header_time == "-" or event.log.upstream_header_time == "") then
event.log.upstream_header_time = "0"
end
if (event.log.upstream_response_length == "-" or event.log.upstream_response_length == "") then
event.log.upstream_response_length = "0"
end
if (event.log.upstream_response_time == "-" or event.log.upstream_response_time == "") then
event.log.upstream_response_time = "0"
end
if (event.log.upstream_status == "-" or event.log.upstream_status == "") then
event.log.upstream_status = "0"
end
emit(event)
end
"""
[transforms.nginx_parse_remove_fields]
inputs = [ "nginx_parse_add_defaults" ]
type = "remove_fields"
fields = ["data", "file", "host", "source_type"]
[transforms.nginx_parse_coercer]
type = "coercer"
inputs = ["nginx_parse_remove_fields"]
types.request_length = "int"
types.request_time = "float"
types.response_status = "int"
types.response_body_bytes_sent = "int"
types.remote_port = "int"
types.upstream_bytes_received = "int"
types.upstream_bytes_send = "int"
types.upstream_connect_time = "float"
types.upstream_header_time = "float"
types.upstream_response_length = "int"
types.upstream_response_time = "float"
types.upstream_status = "int"
types.timestamp = "timestamp"
[sinks.nginx_output_clickhouse]
inputs = ["nginx_parse_coercer"]
type = "clickhouse"
database = "vector"
healthcheck = true
host = "http://172.26.10.109:8123" # Адрес Clickhouse
table = "logs"
encoding.timestamp_format = "unix"
buffer.type = "disk"
buffer.max_size = 104900000
buffer.when_full = "block"
request.in_flight_limit = 20
[sinks.elasticsearch]
type = "elasticsearch"
inputs = ["nginx_parse_coercer"]
compression = "none"
healthcheck = true
# 172.26.10.116 - сервер где установен elasticsearch
host = "http://172.26.10.116:9200"
index = "vector-%Y-%m-%d"O ka fetola karolo ea transforms.nginx_parse_add_defaults.
ho tloha ka e sebelisa li-configs tsena bakeng sa CDN e nyane mme ho ka ba le litekanyetso tse 'maloa holimo holimo_*
Ka mohlala:
"upstream_addr": "128.66.0.10:443, 128.66.0.11:443, 128.66.0.12:443"
"upstream_bytes_received": "-, -, 123"
"upstream_status": "502, 502, 200"Haeba sena ha se boemo ba hau, joale karolo ena e ka nolofatsoa
Ha re theheng litlhophiso tsa lits'ebeletso bakeng sa systemd /etc/systemd/system/vector.service
# /etc/systemd/system/vector.service
[Unit]
Description=Vector
After=network-online.target
Requires=network-online.target
[Service]
User=vector
Group=vector
ExecStart=/usr/bin/vector
ExecReload=/bin/kill -HUP $MAINPID
Restart=no
StandardOutput=syslog
StandardError=syslog
SyslogIdentifier=vector
[Install]
WantedBy=multi-user.targetKamora ho theha litafole, o ka tsamaisa Vector
systemctl enable vector
systemctl start vectorLi-logs tsa Vector li ka bonoa ka tsela ena:
journalctl -f -u vectorHo lokela hore ho be le lintho tse kang tsena ka har'a li-logs
INFO vector::topology::builder: Healthcheck: Passed.
INFO vector::topology::builder: Healthcheck: Passed.Ho moreki (Seva ea Webo) - 1st server
Ho seva e nang le nginx, o hloka ho tima ipv6, kaha tafole ea li-log ho clickhouse e sebelisa tšimo. upstream_addr IPv4, kaha ha ke sebelise ipv6 ka har'a marang-rang. Haeba ipv6 e sa tingoa, ho tla ba le liphoso:
DB::Exception: Invalid IPv4 value.: (while read the value of key upstream_addr)Mohlomong babali, eketsa tšehetso ea ipv6.
Etsa faele /etc/sysctl.d/98-disable-ipv6.conf
net.ipv6.conf.all.disable_ipv6 = 1
net.ipv6.conf.default.disable_ipv6 = 1
net.ipv6.conf.lo.disable_ipv6 = 1Ho sebelisa li-setting
sysctl --systemHa re kenye nginx.
E kentse faele ea polokelo ea nginx /etc/yum.repos.d/nginx.repo
[nginx-stable]
name=nginx stable repo
baseurl=http://nginx.org/packages/centos/$releasever/$basearch/
gpgcheck=1
enabled=1
gpgkey=https://nginx.org/keys/nginx_signing.key
module_hotfixes=trueKenya sephutheloana sa nginx
yum install -y nginxTaba ea pele, re hloka ho hlophisa sebopeho sa log ho Nginx faeleng /etc/nginx/nginx.conf
user nginx;
# you must set worker processes based on your CPU cores, nginx does not benefit from setting more than that
worker_processes auto; #some last versions calculate it automatically
# number of file descriptors used for nginx
# the limit for the maximum FDs on the server is usually set by the OS.
# if you don't set FD's then OS settings will be used which is by default 2000
worker_rlimit_nofile 100000;
error_log /var/log/nginx/error.log warn;
pid /var/run/nginx.pid;
# provides the configuration file context in which the directives that affect connection processing are specified.
events {
# determines how much clients will be served per worker
# max clients = worker_connections * worker_processes
# max clients is also limited by the number of socket connections available on the system (~64k)
worker_connections 4000;
# optimized to serve many clients with each thread, essential for linux -- for testing environment
use epoll;
# accept as many connections as possible, may flood worker connections if set too low -- for testing environment
multi_accept on;
}
http {
include /etc/nginx/mime.types;
default_type application/octet-stream;
log_format main '$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;
}E le hore u se ke ua senya tlhophiso ea hau ea hajoale, Nginx e u lumella ho ba le litaelo tse 'maloa tsa 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 jsonU se ke ua lebala ho kenya molao ho logrotate bakeng sa li-log tse ncha (haeba faele ea log e sa felle ka .log)
Tlosa default.conf ho /etc/nginx/conf.d/
rm -f /etc/nginx/conf.d/default.confKenya moamoheli oa sebele /etc/nginx/conf.d/vhost1.conf
server {
listen 80;
server_name vhost1;
location / {
proxy_pass http://172.26.10.106:8080;
}
}Kenya moamoheli oa sebele /etc/nginx/conf.d/vhost2.conf
server {
listen 80;
server_name vhost2;
location / {
proxy_pass http://172.26.10.108:8080;
}
}Kenya moamoheli oa sebele /etc/nginx/conf.d/vhost3.conf
server {
listen 80;
server_name vhost3;
location / {
proxy_pass http://172.26.10.109:8080;
}
}Kenya moamoheli oa sebele /etc/nginx/conf.d/vhost4.conf
server {
listen 80;
server_name vhost4;
location / {
proxy_pass http://172.26.10.116:8080;
}
}Eketsa li-host host (172.26.10.106 ip ea seva moo nginx e kentsoeng) ho li-server tsohle ho /etc/hosts file:
172.26.10.106 vhost1
172.26.10.106 vhost2
172.26.10.106 vhost3
172.26.10.106 vhost4Mme haeba tsohle di lokile ka nako eo
nginx -t
systemctl restart nginxJoale ha re e instoleng ka borona
yum install -y https://packages.timber.io/vector/0.9.X/vector-x86_64.rpmHa re theheng faele ea litlhophiso bakeng sa systemd /etc/systemd/system/vector.service
[Unit]
Description=Vector
After=network-online.target
Requires=network-online.target
[Service]
User=vector
Group=vector
ExecStart=/usr/bin/vector
ExecReload=/bin/kill -HUP $MAINPID
Restart=no
StandardOutput=syslog
StandardError=syslog
SyslogIdentifier=vector
[Install]
WantedBy=multi-user.target'Me u lokise sebaka sa Filebeat ho /etc/vector/vector.toml config. Aterese ea IP 172.26.10.108 ke aterese ea IP ea seva sa 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"U se ke ua lebala ho kenya mochine oa vector ho sehlopha se hlokahalang e le hore a tsebe ho bala lifaele tsa log. Mohlala, nginx ka centos e etsa li-log tse nang le litokelo tsa sehlopha sa adm.
usermod -a -G adm vectorHa re qale tšebeletso ea vector
systemctl enable vector
systemctl start vectorLi-logs tsa Vector li ka bonoa ka tsela ena:
journalctl -f -u vectorHo lokela hore ho be le keno e kang ena ka har'a li-log
INFO vector::topology::builder: Healthcheck: Passed.Teko ea Khatello ea Maikutlo
Teko e etsoa ho sebelisoa benchmark ea Apache.
Sephutheloana sa httpd-tools se kentsoe ho li-server tsohle
Re qala ho leka ho sebelisa benchmark ea Apache ho tsoa ho li-server tse 4 tse fapaneng skrineng. Taba ea mantlha, re qala "multiplexer" ea skrineng, ebe re qala ho leka ho sebelisa benchmark ea Apache. Mokhoa oa ho sebetsa ka skrine o ka o fumana ho .
Ho tsoa ho seva sa pele
while true; do ab -H "User-Agent: 1server" -c 100 -n 10 -t 10 http://vhost1/; sleep 1; doneHo tsoa ho seva sa pele
while true; do ab -H "User-Agent: 2server" -c 100 -n 10 -t 10 http://vhost2/; sleep 1; doneHo tsoa ho seva sa pele
while true; do ab -H "User-Agent: 3server" -c 100 -n 10 -t 10 http://vhost3/; sleep 1; doneHo tsoa ho seva sa pele
while true; do ab -H "User-Agent: 4server" -c 100 -n 10 -t 10 http://vhost4/; sleep 1; doneHa re hlahlobe lintlha ho Clickhouse
Eya ho Clickhouse
clickhouse-client -h 172.26.10.109 -mHo etsa potso ea SQL
SELECT * FROM vector.logs;
┌─node_name────┬───────────timestamp─┬─server_name─┬─user_id─┬─request_full───┬─request_user_agent─┬─request_http_host─┬─request_uri─┬─request_scheme─┬─request_method─┬─request_length─┬─request_time─┬─request_referrer─┬─response_status─┬─response_body_bytes_sent─┬─response_content_type─┬───remote_addr─┬─remote_port─┬─remote_user─┬─upstream_addr─┬─upstream_port─┬─upstream_bytes_received─┬─upstream_bytes_sent─┬─upstream_cache_status─┬─upstream_connect_time─┬─upstream_header_time─┬─upstream_response_length─┬─upstream_response_time─┬─upstream_status─┬─upstream_content_type─┐
│ nginx-vector │ 2020-08-07 04:32:42 │ vhost1 │ │ GET / HTTP/1.0 │ 1server │ vhost1 │ / │ http │ GET │ 66 │ 0.028 │ │ 404 │ 27 │ │ 172.26.10.106 │ 45886 │ │ 172.26.10.106 │ 0 │ 109 │ 97 │ DISABLED │ 0 │ 0.025 │ 27 │ 0.029 │ 404 │ │
└──────────────┴─────────────────────┴─────────────┴─────────┴────────────────┴────────────────────┴───────────────────┴─────────────┴────────────────┴────────────────┴────────────────┴──────────────┴──────────────────┴─────────────────┴──────────────────────────┴───────────────────────┴───────────────┴─────────────┴─────────────┴───────────────┴───────────────┴─────────────────────────┴─────────────────────┴───────────────────────┴───────────────────────┴──────────────────────┴──────────────────────────┴────────────────────────┴─────────────────┴───────────────────────Fumana boholo ba litafole ho Clickhouse
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;Ha re fumane hore na ho na le lifate tse kae tse kentsoeng Clickhouse.
Boholo ba tafole ea lifate ke 857.19 MB.
Boholo ba data e tšoanang ho index ho Elasticsearch ke 4,5GB.
Haeba u sa hlakise lintlha ka har'a vector ho liparamente, Clickhouse e nka 4500/857.19 = makhetlo a 5.24 ka tlase ho Elasticsearch.
Ho vector, sebaka sa compression se sebelisoa ka ho sa feleng.
Puisano ea thelekramo ka
Puisano ea thelekramo ka
Puisano ka Telegraph ka ""
Source: www.habr.com