Ko Igor Sidorenko toku ingoa, he kaiarahi hangarau ahau i roto i te roopu o nga kaiwhakahaere e pupuri ana i nga hanganga katoa o Domclick.
Kei te pirangi au ki te whakapuaki i aku wheako ki te whakarite i te rokiroki raraunga tohatoha ki Elasticsearch. Ka tirohia e tatou he aha nga tautuhinga kei runga i nga node te kawenga mo te tohatoha o nga kongakonga, me pehea te mahi me te mahi a ILM.
Ko te hunga e mahi ana me nga rakau, tetahi huarahi, tetahi atu ranei, ka pa ki te raru o te rokiroki mo te wa roa mo te tātaritanga a muri ake nei. I roto i te Elasticsearch, he tino pono tenei, na te mea he pouri nga mea katoa mo te mahi a te kaitiaki. Ko te Putanga 6.6 i whakaurua te mahi ILM. E 4 nga waahanga kei roto:
- Wera - Kei te kaha te whakahou me te patai i te taurangi.
- Mahana - Kare e whakahōuhia te taupū, engari kei te uiuia tonutia.
- Matao - Kua kore e whakahōuhia te taupū, ā, he uaua te uiui. Me rapu tonu nga korero, engari he puhoi pea nga patai.
- Mukua - Kare e hiahiatia ana te taurangi ka taea te whakakore haumaru.
Ka hoatu
- Raraunga Elasticsearch Hot: 24 nga tukatuka, 128 GB te mahara, 1,8 TB SSD RAID 10 (8 nodes).
- Mahana Raraunga Elasticsearch: 24 tukatuka, 64 GB mahara, 8 TB NetApp SSD Kaupapahere (4 nodes).
- Elasticsearch Raraunga Matao: 8 tukatuka, 32 GB mahara, 128 TB HDD RAID 10 (4 nodes).
Whāinga
He takitahi enei tautuhinga, ka whakawhirinaki katoa ki te waahi kei runga i nga node, te maha o nga tohu, nga raarangi, me era atu. Kei a matou 2-3 TB o nga raraunga ia ra.
- 5 ra - Wāhanga wera (8 matua / 1 tauira).
- 20 ra - Wāhanga mahana ( 4 matua / 1 tauira).
- 90 ra - Wāhanga makariri ( 4 matua / 1 tauira).
- 120 ra - Mukua te wahanga.
Te whakatu i te Elasticsearch
Hei tohatoha i te mahanga puta noa i nga kohanga, me kotahi noa te tawhā:
- Hot-nodes:
~]# cat /etc/elasticsearch/elasticsearch.yml | grep attr # Add custom attributes to the node: node.attr.box_type: hot - Warm-nodes:
~]# cat /etc/elasticsearch/elasticsearch.yml | grep attr # Add custom attributes to the node: node.attr.box_type: warm - makariri-nodes:
~]# cat /etc/elasticsearch/elasticsearch.yml | grep attr # Add custom attributes to the node: node.attr.box_type: cold
Te whakatu Logstash
He pehea te mahi katoa me pehea te whakatinana i tenei waahanga? Me timata ma te whakauru i nga raarangi ki Elasticsearch. E rua nga huarahi:
- Ka tikina e Logstash nga rakau mai i Kafka. Ka taea te tiki ma, te huri ranei i to taha.
- Ka tuhi tetahi mea ki a Elasticsearch, hei tauira, he tūmau APM.
Whakaarohia he tauira mo te whakahaere taurangi ma te Logstash. Ka hangaia he taurangi ka pa ana ki a ia me te rite .
k8s-ingress.conf
input {
kafka {
bootstrap_servers => "node01, node02, node03"
topics => ["ingress-k8s"]
decorate_events => false
codec => "json"
}
}
filter {
ruby {
path => "/etc/logstash/conf.d/k8s-normalize.rb"
}
if [log] =~ "[warn]" or [log] =~ "[error]" or [log] =~ "[notice]" or [log] =~ "[alert]" {
grok {
match => { "log" => "%{DATA:[nginx][error][time]} [%{DATA:[nginx][error][level]}] %{NUMBER:[nginx][error][pid]}#%{NUMBER:[nginx][error][tid]}: *%{NUMBER:[nginx][error][connection_id]} %{DATA:[nginx][error][message]}, client: %{IPORHOST:[nginx][error][remote_ip]}, server: %{DATA:[nginx][error][server]}, request: "%{WORD:[nginx][error][method]} %{DATA:[nginx][error][url]} HTTP/%{NUMBER:[nginx][error][http_version]}", (?:upstream: "%{DATA:[nginx][error][upstream][proto]}://%{DATA:[nginx][error][upstream][host]}:%{DATA:[nginx][error][upstream][port]}/%{DATA:[nginx][error][upstream][url]}", )?host: "%{DATA:[nginx][error][host]}"(?:, referrer: "%{DATA:[nginx][error][referrer]}")?" }
remove_field => "log"
}
}
else {
grok {
match => { "log" => "%{IPORHOST:[nginx][access][host]} - [%{IPORHOST:[nginx][access][remote_ip]}] - %{DATA:[nginx][access][remote_user]} [%{HTTPDATE:[nginx][access][time]}] "%{WORD:[nginx][access][method]} %{DATA:[nginx][access][url]} HTTP/%{NUMBER:[nginx][access][http_version]}" %{NUMBER:[nginx][access][response_code]} %{NUMBER:[nginx][access][bytes_sent]} "%{DATA:[nginx][access][referrer]}" "%{DATA:[nginx][access][agent]}" %{NUMBER:[nginx][access][request_lenght]} %{NUMBER:[nginx][access][request_time]} [%{DATA:[nginx][access][upstream][name]}] (?:-|%{IPORHOST:[nginx][access][upstream][addr]}:%{NUMBER:[nginx][access][upstream][port]}) (?:-|%{NUMBER:[nginx][access][upstream][response_lenght]}) %{DATA:[nginx][access][upstream][response_time]} %{DATA:[nginx][access][upstream][status]} %{DATA:[nginx][access][request_id]}" }
remove_field => "log"
}
}
}
output {
elasticsearch {
id => "k8s-ingress"
hosts => ["node01", "node02", "node03", "node04", "node05", "node06", "node07", "node08"]
manage_template => true # включаем управление шаблонами
template_name => "k8s-ingress" # имя применяемого шаблона
ilm_enabled => true # включаем управление ILM
ilm_rollover_alias => "k8s-ingress" # alias для записи в индексы, должен быть уникальным
ilm_pattern => "{now/d}-000001" # шаблон для создания индексов, может быть как "{now/d}-000001" так и "000001"
ilm_policy => "k8s-ingress" # политика прикрепляемая к индексу
index => "k8s-ingress-%{+YYYY.MM.dd}" # название создаваемого индекса, может содержать %{+YYYY.MM.dd}, зависит от ilm_pattern
}
}Tatūnga Kibana
He tauira turanga e pa ana ki nga taurangi hou katoa. Ka whakatakotohia te tohatoha o nga tohu wera, te maha o nga kongakonga, nga tauira, me era atu. Ko te taumaha o te tauira ka whakatauhia e te whiringa order. Ko nga tauira he nui ake te taumaha ka whakakore i nga tawhā tauira o mua, ka taapirihia ranei nga mea hou.
TIKI _tauira/taunoa
{
"default" : {
"order" : -1, # вес шаблона
"version" : 1,
"index_patterns" : [
"*" # применяем ко всем индексам
],
"settings" : {
"index" : {
"codec" : "best_compression", # уровень сжатия
"routing" : {
"allocation" : {
"require" : {
"box_type" : "hot" # распределяем только по горячим нодам
},
"total_shards_per_node" : "8" # максимальное количество шардов на ноду от одного индекса
}
},
"refresh_interval" : "5s", # интервал обновления индекса
"number_of_shards" : "8", # количество шардов
"auto_expand_replicas" : "0-1", # количество реплик на ноду от одного индекса
"number_of_replicas" : "1" # количество реплик
}
},
"mappings" : {
"_meta" : { },
"_source" : { },
"properties" : { }
},
"aliases" : { }
}
}Na ka tono i te mapi ki nga tohu k8s-ingress-* te whakamahi i te tauira me te taumaha teitei ake.
TIKI _tauira/k8s-whakauru
{
"k8s-ingress" : {
"order" : 100,
"index_patterns" : [
"k8s-ingress-*"
],
"settings" : {
"index" : {
"lifecycle" : {
"name" : "k8s-ingress",
"rollover_alias" : "k8s-ingress"
},
"codec" : "best_compression",
"routing" : {
"allocation" : {
"require" : {
"box_type" : "hot"
}
}
},
"number_of_shards" : "8",
"number_of_replicas" : "1"
}
},
"mappings" : {
"numeric_detection" : false,
"_meta" : { },
"_source" : { },
"dynamic_templates" : [
{
"all_fields" : {
"mapping" : {
"index" : false,
"type" : "text"
},
"match" : "*"
}
}
],
"date_detection" : false,
"properties" : {
"kubernetes" : {
"type" : "object",
"properties" : {
"container_name" : {
"type" : "keyword"
},
"container_hash" : {
"index" : false,
"type" : "keyword"
},
"host" : {
"type" : "keyword"
},
"annotations" : {
"type" : "object",
"properties" : {
"value" : {
"index" : false,
"type" : "text"
},
"key" : {
"index" : false,
"type" : "keyword"
}
}
},
"docker_id" : {
"index" : false,
"type" : "keyword"
},
"pod_id" : {
"type" : "keyword"
},
"labels" : {
"type" : "object",
"properties" : {
"value" : {
"type" : "keyword"
},
"key" : {
"type" : "keyword"
}
}
},
"namespace_name" : {
"type" : "keyword"
},
"pod_name" : {
"type" : "keyword"
}
}
},
"@timestamp" : {
"type" : "date"
},
"nginx" : {
"type" : "object",
"properties" : {
"access" : {
"type" : "object",
"properties" : {
"agent" : {
"type" : "text"
},
"response_code" : {
"type" : "integer"
},
"upstream" : {
"type" : "object",
"properties" : {
"port" : {
"type" : "keyword"
},
"name" : {
"type" : "keyword"
},
"response_lenght" : {
"type" : "integer"
},
"response_time" : {
"index" : false,
"type" : "text"
},
"addr" : {
"type" : "keyword"
},
"status" : {
"index" : false,
"type" : "text"
}
}
},
"method" : {
"type" : "keyword"
},
"http_version" : {
"type" : "keyword"
},
"bytes_sent" : {
"type" : "integer"
},
"request_lenght" : {
"type" : "integer"
},
"url" : {
"type" : "text",
"fields" : {
"keyword" : {
"type" : "keyword"
}
}
},
"remote_user" : {
"type" : "text"
},
"referrer" : {
"type" : "text"
},
"remote_ip" : {
"type" : "ip"
},
"request_time" : {
"format" : "yyyy/MM/dd HH:mm:ss||yyyy/MM/dd||epoch_millis||dd/MMM/YYYY:H:m:s Z",
"type" : "date"
},
"host" : {
"type" : "keyword"
},
"time" : {
"format" : "yyyy/MM/dd HH:mm:ss||yyyy/MM/dd||epoch_millis||dd/MMM/YYYY:H:m:s Z",
"type" : "date"
}
}
},
"error" : {
"type" : "object",
"properties" : {
"server" : {
"type" : "keyword"
},
"upstream" : {
"type" : "object",
"properties" : {
"port" : {
"type" : "keyword"
},
"proto" : {
"type" : "keyword"
},
"host" : {
"type" : "keyword"
},
"url" : {
"type" : "text",
"fields" : {
"keyword" : {
"type" : "keyword"
}
}
}
}
},
"method" : {
"type" : "keyword"
},
"level" : {
"type" : "keyword"
},
"http_version" : {
"type" : "keyword"
},
"pid" : {
"index" : false,
"type" : "integer"
},
"message" : {
"type" : "text"
},
"tid" : {
"index" : false,
"type" : "keyword"
},
"url" : {
"type" : "text",
"fields" : {
"keyword" : {
"type" : "keyword"
}
}
},
"referrer" : {
"type" : "text"
},
"remote_ip" : {
"type" : "ip"
},
"connection_id" : {
"index" : false,
"type" : "keyword"
},
"host" : {
"type" : "keyword"
},
"time" : {
"format" : "yyyy/MM/dd HH:mm:ss||yyyy/MM/dd||epoch_millis||dd/MMM/YYYY:H:m:s Z",
"type" : "date"
}
}
}
}
},
"log" : {
"type" : "text"
},
"@version" : {
"type" : "text",
"fields" : {
"keyword" : {
"ignore_above" : 256,
"type" : "keyword"
}
}
},
"eventtime" : {
"type" : "float"
}
}
},
"aliases" : { }
}
}Whai muri i te tono i nga tauira katoa, ka whakamahia e matou te kaupapa here ILM ka tiimata ki te aro turuki i te oranga o nga tohu.
TIKI _ilm/policy/k8s-ingress
{
"k8s-ingress" : {
"version" : 14,
"modified_date" : "2020-06-11T10:27:01.448Z",
"policy" : {
"phases" : {
"warm" : { # теплая фаза
"min_age" : "5d", # срок жизни индекса после ротации до наступления теплой фазы
"actions" : {
"allocate" : {
"include" : { },
"exclude" : { },
"require" : {
"box_type" : "warm" # куда перемещаем индекс
}
},
"shrink" : {
"number_of_shards" : 4 # обрезание индексов, т.к. у нас 4 ноды
}
}
},
"cold" : { # холодная фаза
"min_age" : "25d", # срок жизни индекса после ротации до наступления холодной фазы
"actions" : {
"allocate" : {
"include" : { },
"exclude" : { },
"require" : {
"box_type" : "cold" # куда перемещаем индекс
}
},
"freeze" : { } # замораживаем для оптимизации
}
},
"hot" : { # горячая фаза
"min_age" : "0ms",
"actions" : {
"rollover" : {
"max_size" : "50gb", # максимальный размер индекса до ротации (будет х2, т.к. есть 1 реплика)
"max_age" : "1d" # максимальный срок жизни индекса до ротации
},
"set_priority" : {
"priority" : 100
}
}
},
"delete" : { # фаза удаления
"min_age" : "120d", # максимальный срок жизни после ротации перед удалением
"actions" : {
"delete" : { }
}
}
}
}
}
}Nga raruraru
He raruraru i te tatūnga me te waahi patuiro.
Wāhanga wera
Mo te hurihanga tika o nga tohu, he mea nui te noho ki te mutunga index_name-date-000026 hōputu tau 000001. He rarangi kei roto i te waehere e tirotiro ana i nga taurangi ma te whakamahi i nga korero mo te noho o nga tau i te mutunga. Ki te kore, ka puta he hapa, kaore he kaupapa here e whakamahia ki te taurangi, ka noho tonu ki te waahi wera.
Wāhanga mahana
Huri (tapahi) — te whakaiti i te maha o nga maramara, na te mea e 4 nga pona kei roto i nga wahanga mahana me te makariri. Kei roto i nga tuhinga nga rarangi e whai ake nei:
- Me panui-anake te taurangi.
- Me noho he kape o ia kongakonga o te taupū ki runga i te node kotahi.
- Me kakariki te mana hauora tautau.
Hei tapahi i te taupū, ka nekehia e Elasticsearch nga mahanga tuatahi katoa ki te kohanga kotahi, ka taraihia te tohu kua tapahia me nga tawhā e tika ana, katahi ka mukua te mea tawhito. Tawhā total_shards_per_node me rite, nui ake ranei i te maha o nga maru matua kia uru ki runga i te pona kotahi. Ki te kore, ka puta he whakamohiotanga, ka kore nga maramara e neke ki nga pona tika.
TIKI /tiki-k8s-ingress-2020.06.06-000025/_settings
{
"shrink-k8s-ingress-2020.06.06-000025" : {
"settings" : {
"index" : {
"refresh_interval" : "5s",
"auto_expand_replicas" : "0-1",
"blocks" : {
"write" : "true"
},
"provided_name" : "shrink-k8s-ingress-2020.06.06-000025",
"creation_date" : "1592225525569",
"priority" : "100",
"number_of_replicas" : "1",
"uuid" : "psF4MiFGQRmi8EstYUQS4w",
"version" : {
"created" : "7060299",
"upgraded" : "7060299"
},
"lifecycle" : {
"name" : "k8s-ingress",
"rollover_alias" : "k8s-ingress",
"indexing_complete" : "true"
},
"codec" : "best_compression",
"routing" : {
"allocation" : {
"initial_recovery" : {
"_id" : "_Le0Ww96RZ-o76bEPAWWag"
},
"require" : {
"_id" : null,
"box_type" : "cold"
},
"total_shards_per_node" : "8"
}
},
"number_of_shards" : "4",
"routing_partition_size" : "1",
"resize" : {
"source" : {
"name" : "k8s-ingress-2020.06.06-000025",
"uuid" : "gNhYixO6Skqi54lBjg5bpQ"
}
}
}
}
}
}Wāhanga makariri
whakatio (whakatio) - Ka whakatio matou i te taurangi hei arotau i nga patai mo nga raraunga o mua.
Ko nga rapunga e mahia ana i runga i nga taurangi tio ka whakamahi i te miro iti, whakatapua, rapu_throttled hei whakahaere i te maha o nga rapunga katahi ka pa ki nga maramara tio ki ia pona. Ka whakawhāiti tēnei i te nui o te pūmahara anō e hiahiatia ana mō ngā hanganga raraunga rangitahi e hāngai ana ki ngā maru tio, e tiaki ana i ngā kōpuku mai i te nui o te kai mahara.
Ko nga tohu tio he panui-anake: kaore e taea e koe te tohu ki roto.
Ko nga rapunga i runga i nga tohu tio e tika ana kia tere te mahi. Ko nga tohu tio kaore i te whakaaro mo te kawenga rapu nui. Ka roa pea he hēkona, he meneti ranei te mutunga o te rapunga o te taupū tio, ahakoa he rite nga rapunga i roto i nga manomano hēkona i te mea kaore i whakatotoka nga tohu.
Ngā putanga
I ako matou me pehea te whakareri i nga pona mo te mahi me te ILM, te whakarite tauira mo te tohatoha maramara ki waenga i nga pona wera, me te whakarite ILM mo te taupū me nga wahanga katoa o te oranga.
hononga whaihua
Source: will.com