feat: signoz can now scale up in docker swarm (#309)

* feat: signoz can now scale up in docker swarm

* chore: adding empty folders for volume mount

* chore: using image 0.4.0

* chore: adding folder to persist signoz.db
This commit is contained in:
Ankit Nayan 2021-09-28 18:10:44 +05:30 committed by GitHub
parent 6a01ce88cb
commit 004dda200c
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<?xml version="1.0"?>
<yandex>
<logger>
<level>trace</level>
<log>/var/log/clickhouse-server/clickhouse-server.log</log>
<errorlog>/var/log/clickhouse-server/clickhouse-server.err.log</errorlog>
<size>1000M</size>
<count>10</count>
</logger>
<http_port>8123</http_port>
<tcp_port>9000</tcp_port>
<!-- For HTTPS and SSL over native protocol. -->
<!--
<https_port>8443</https_port>
<tcp_ssl_port>9440</tcp_ssl_port>
-->
<!-- Used with https_port and tcp_ssl_port. Full ssl options list: https://github.com/yandex/ClickHouse/blob/master/contrib/libpoco/NetSSL_OpenSSL/include/Poco/Net/SSLManager.h#L71 -->
<openSSL>
<server> <!-- Used for https server AND secure tcp port -->
<!-- openssl req -subj "/CN=localhost" -new -newkey rsa:2048 -days 365 -nodes -x509 -keyout /etc/clickhouse-server/server.key -out /etc/clickhouse-server/server.crt -->
<certificateFile>/etc/clickhouse-server/server.crt</certificateFile>
<privateKeyFile>/etc/clickhouse-server/server.key</privateKeyFile>
<!-- openssl dhparam -out /etc/clickhouse-server/dhparam.pem 4096 -->
<dhParamsFile>/etc/clickhouse-server/dhparam.pem</dhParamsFile>
<verificationMode>none</verificationMode>
<loadDefaultCAFile>true</loadDefaultCAFile>
<cacheSessions>true</cacheSessions>
<disableProtocols>sslv2,sslv3</disableProtocols>
<preferServerCiphers>true</preferServerCiphers>
</server>
<client> <!-- Used for connecting to https dictionary source -->
<loadDefaultCAFile>true</loadDefaultCAFile>
<cacheSessions>true</cacheSessions>
<disableProtocols>sslv2,sslv3</disableProtocols>
<preferServerCiphers>true</preferServerCiphers>
<!-- Use for self-signed: <verificationMode>none</verificationMode> -->
<invalidCertificateHandler>
<!-- Use for self-signed: <name>AcceptCertificateHandler</name> -->
<name>RejectCertificateHandler</name>
</invalidCertificateHandler>
</client>
</openSSL>
<!-- Default root page on http[s] server. For example load UI from https://tabix.io/ when opening http://localhost:8123 -->
<!--
<http_server_default_response><![CDATA[<html ng-app="SMI2"><head><base href="http://ui.tabix.io/"></head><body><div ui-view="" class="content-ui"></div><script src="http://loader.tabix.io/master.js"></script></body></html>]]></http_server_default_response>
-->
<!-- Port for communication between replicas. Used for data exchange. -->
<interserver_http_port>9009</interserver_http_port>
<!-- Hostname that is used by other replicas to request this server.
If not specified, than it is determined analoguous to 'hostname -f' command.
This setting could be used to switch replication to another network interface.
-->
<!--
<interserver_http_host>example.yandex.ru</interserver_http_host>
-->
<!-- Listen specified host. use :: (wildcard IPv6 address), if you want to accept connections both with IPv4 and IPv6 from everywhere. -->
<listen_host>::</listen_host>
<!-- Same for hosts with disabled ipv6: -->
<!-- <listen_host>0.0.0.0</listen_host> -->
<!-- Default values - try listen localhost on ipv4 and ipv6: -->
<!-- <listen_host>0.0.0.0</listen_host> -->
<max_connections>4096</max_connections>
<keep_alive_timeout>3</keep_alive_timeout>
<!-- Maximum number of concurrent queries. -->
<max_concurrent_queries>100</max_concurrent_queries>
<!-- Set limit on number of open files (default: maximum). This setting makes sense on Mac OS X because getrlimit() fails to retrieve
correct maximum value. -->
<!-- <max_open_files>262144</max_open_files> -->
<!-- Size of cache of uncompressed blocks of data, used in tables of MergeTree family.
In bytes. Cache is single for server. Memory is allocated only on demand.
Cache is used when 'use_uncompressed_cache' user setting turned on (off by default).
Uncompressed cache is advantageous only for very short queries and in rare cases.
-->
<uncompressed_cache_size>8589934592</uncompressed_cache_size>
<!-- Approximate size of mark cache, used in tables of MergeTree family.
In bytes. Cache is single for server. Memory is allocated only on demand.
You should not lower this value.
-->
<mark_cache_size>5368709120</mark_cache_size>
<!-- Path to data directory, with trailing slash. -->
<path>/var/lib/clickhouse/</path>
<!-- Path to temporary data for processing hard queries. -->
<tmp_path>/var/lib/clickhouse/tmp/</tmp_path>
<!-- Path to configuration file with users, access rights, profiles of settings, quotas. -->
<users_config>users.xml</users_config>
<!-- Default profile of settings.. -->
<default_profile>default</default_profile>
<!-- Default database. -->
<default_database>default</default_database>
<!-- Server time zone could be set here.
Time zone is used when converting between String and DateTime types,
when printing DateTime in text formats and parsing DateTime from text,
it is used in date and time related functions, if specific time zone was not passed as an argument.
Time zone is specified as identifier from IANA time zone database, like UTC or Africa/Abidjan.
If not specified, system time zone at server startup is used.
Please note, that server could display time zone alias instead of specified name.
Example: W-SU is an alias for Europe/Moscow and Zulu is an alias for UTC.
-->
<!-- <timezone>Europe/Moscow</timezone> -->
<!-- You can specify umask here (see "man umask"). Server will apply it on startup.
Number is always parsed as octal. Default umask is 027 (other users cannot read logs, data files, etc; group can only read).
-->
<!-- <umask>022</umask> -->
<!-- Configuration of clusters that could be used in Distributed tables.
https://clickhouse.yandex/reference_en.html#Distributed
-->
<remote_servers incl="clickhouse_remote_servers" >
<!-- Test only shard config for testing distributed storage -->
<test_shard_localhost>
<shard>
<replica>
<host>localhost</host>
<port>9000</port>
</replica>
</shard>
</test_shard_localhost>
</remote_servers>
<!-- If element has 'incl' attribute, then for it's value will be used corresponding substitution from another file.
By default, path to file with substitutions is /etc/metrika.xml. It could be changed in config in 'include_from' element.
Values for substitutions are specified in /yandex/name_of_substitution elements in that file.
-->
<!-- ZooKeeper is used to store metadata about replicas, when using Replicated tables.
Optional. If you don't use replicated tables, you could omit that.
See https://clickhouse.yandex/reference_en.html#Data%20replication
-->
<zookeeper incl="zookeeper-servers" optional="true" />
<!-- Substitutions for parameters of replicated tables.
Optional. If you don't use replicated tables, you could omit that.
See https://clickhouse.yandex/reference_en.html#Creating%20replicated%20tables
-->
<macros incl="macros" optional="true" />
<!-- Reloading interval for embedded dictionaries, in seconds. Default: 3600. -->
<builtin_dictionaries_reload_interval>3600</builtin_dictionaries_reload_interval>
<!-- Maximum session timeout, in seconds. Default: 3600. -->
<max_session_timeout>3600</max_session_timeout>
<!-- Default session timeout, in seconds. Default: 60. -->
<default_session_timeout>60</default_session_timeout>
<!-- Sending data to Graphite for monitoring. Several sections can be defined. -->
<!--
interval - send every X second
root_path - prefix for keys
hostname_in_path - append hostname to root_path (default = true)
metrics - send data from table system.metrics
events - send data from table system.events
asynchronous_metrics - send data from table system.asynchronous_metrics
-->
<!--
<graphite>
<host>localhost</host>
<port>42000</port>
<timeout>0.1</timeout>
<interval>60</interval>
<root_path>one_min</root_path>
<hostname_in_path>true<hostname_in_path>
<metrics>true</metrics>
<events>true</events>
<asynchronous_metrics>true</asynchronous_metrics>
</graphite>
<graphite>
<host>localhost</host>
<port>42000</port>
<timeout>0.1</timeout>
<interval>1</interval>
<root_path>one_sec</root_path>
<metrics>true</metrics>
<events>true</events>
<asynchronous_metrics>false</asynchronous_metrics>
</graphite>
-->
<!-- Query log. Used only for queries with setting log_queries = 1. -->
<query_log>
<!-- What table to insert data. If table is not exist, it will be created.
When query log structure is changed after system update,
then old table will be renamed and new table will be created automatically.
-->
<database>system</database>
<table>query_log</table>
<!-- Interval of flushing data. -->
<flush_interval_milliseconds>7500</flush_interval_milliseconds>
</query_log>
<!-- Uncomment if use part_log
<part_log>
<database>system</database>
<table>part_log</table>
<flush_interval_milliseconds>7500</flush_interval_milliseconds>
</part_log>
-->
<!-- Parameters for embedded dictionaries, used in Yandex.Metrica.
See https://clickhouse.yandex/reference_en.html#Internal%20dictionaries
-->
<!-- Path to file with region hierarchy. -->
<!-- <path_to_regions_hierarchy_file>/opt/geo/regions_hierarchy.txt</path_to_regions_hierarchy_file> -->
<!-- Path to directory with files containing names of regions -->
<!-- <path_to_regions_names_files>/opt/geo/</path_to_regions_names_files> -->
<!-- Configuration of external dictionaries. See:
https://clickhouse.yandex/reference_en.html#External%20Dictionaries
-->
<dictionaries_config>*_dictionary.xml</dictionaries_config>
<!-- Uncomment if you want data to be compressed 30-100% better.
Don't do that if you just started using ClickHouse.
-->
<compression incl="clickhouse_compression">
<!--
<!- - Set of variants. Checked in order. Last matching case wins. If nothing matches, lz4 will be used. - ->
<case>
<!- - Conditions. All must be satisfied. Some conditions may be omitted. - ->
<min_part_size>10000000000</min_part_size> <!- - Min part size in bytes. - ->
<min_part_size_ratio>0.01</min_part_size_ratio> <!- - Min size of part relative to whole table size. - ->
<!- - What compression method to use. - ->
<method>zstd</method>
</case>
-->
</compression>
<!-- Allow to execute distributed DDL queries (CREATE, DROP, ALTER, RENAME) on cluster.
Works only if ZooKeeper is enabled. Comment it if such functionality isn't required. -->
<distributed_ddl>
<!-- Path in ZooKeeper to queue with DDL queries -->
<path>/clickhouse/task_queue/ddl</path>
</distributed_ddl>
<!-- Settings to fine tune MergeTree tables. See documentation in source code, in MergeTreeSettings.h -->
<!--
<merge_tree>
<max_suspicious_broken_parts>5</max_suspicious_broken_parts>
</merge_tree>
-->
<!-- Protection from accidental DROP.
If size of a MergeTree table is greater than max_table_size_to_drop (in bytes) than table could not be dropped with any DROP query.
If you want do delete one table and don't want to restart clickhouse-server, you could create special file <clickhouse-path>/flags/force_drop_table and make DROP once.
By default max_table_size_to_drop is 50GB, max_table_size_to_drop=0 allows to DROP any tables.
Uncomment to disable protection.
-->
<!-- <max_table_size_to_drop>0</max_table_size_to_drop> -->
<!-- Example of parameters for GraphiteMergeTree table engine -->
<graphite_rollup>
<!-- carbon -->
<pattern>
<regexp>^carbon\.</regexp>
<function>any</function>
<retention>
<age>0</age>
<precision>60</precision>
</retention>
<retention>
<age>7776000</age>
<precision>3600</precision>
</retention>
<retention>
<age>10368000</age>
<precision>21600</precision>
</retention>
<retention>
<age>34560000</age>
<precision>43200</precision>
</retention>
<retention>
<age>63072000</age>
<precision>86400</precision>
</retention>
<retention>
<age>94608000</age>
<precision>604800</precision>
</retention>
</pattern>
<!-- collectd -->
<pattern>
<regexp>^collectd\.</regexp>
<function>any</function>
<retention>
<age>0</age>
<precision>10</precision>
</retention>
<retention>
<age>43200</age>
<precision>60</precision>
</retention>
<retention>
<age>864000</age>
<precision>900</precision>
</retention>
<retention>
<age>1728000</age>
<precision>1800</precision>
</retention>
<retention>
<age>3456000</age>
<precision>3600</precision>
</retention>
<retention>
<age>10368000</age>
<precision>21600</precision>
</retention>
<retention>
<age>34560000</age>
<precision>43200</precision>
</retention>
<retention>
<age>63072000</age>
<precision>86400</precision>
</retention>
<retention>
<age>94608000</age>
<precision>604800</precision>
</retention>
</pattern>
<!-- high -->
<pattern>
<regexp>^high\.</regexp>
<function>any</function>
<retention>
<age>0</age>
<precision>10</precision>
</retention>
<retention>
<age>172800</age>
<precision>60</precision>
</retention>
<retention>
<age>864000</age>
<precision>900</precision>
</retention>
<retention>
<age>1728000</age>
<precision>1800</precision>
</retention>
<retention>
<age>3456000</age>
<precision>3600</precision>
</retention>
<retention>
<age>10368000</age>
<precision>21600</precision>
</retention>
<retention>
<age>34560000</age>
<precision>43200</precision>
</retention>
<retention>
<age>63072000</age>
<precision>86400</precision>
</retention>
<retention>
<age>94608000</age>
<precision>604800</precision>
</retention>
</pattern>
<!-- medium -->
<pattern>
<regexp>^medium\.</regexp>
<function>any</function>
<retention>
<age>0</age>
<precision>60</precision>
</retention>
<retention>
<age>864000</age>
<precision>900</precision>
</retention>
<retention>
<age>1728000</age>
<precision>1800</precision>
</retention>
<retention>
<age>3456000</age>
<precision>3600</precision>
</retention>
<retention>
<age>10368000</age>
<precision>21600</precision>
</retention>
<retention>
<age>34560000</age>
<precision>43200</precision>
</retention>
<retention>
<age>63072000</age>
<precision>86400</precision>
</retention>
<retention>
<age>94608000</age>
<precision>604800</precision>
</retention>
</pattern>
<!-- low -->
<pattern>
<regexp>^low\.</regexp>
<function>any</function>
<retention>
<age>0</age>
<precision>600</precision>
</retention>
<retention>
<age>15552000</age>
<precision>1800</precision>
</retention>
<retention>
<age>31536000</age>
<precision>3600</precision>
</retention>
<retention>
<age>63072000</age>
<precision>21600</precision>
</retention>
<retention>
<age>126144000</age>
<precision>43200</precision>
</retention>
<retention>
<age>252288000</age>
<precision>86400</precision>
</retention>
<retention>
<age>315360000</age>
<precision>604800</precision>
</retention>
</pattern>
<!-- default -->
<default>
<function>any</function>
<retention>
<age>0</age>
<precision>60</precision>
</retention>
<retention>
<age>864000</age>
<precision>900</precision>
</retention>
<retention>
<age>1728000</age>
<precision>1800</precision>
</retention>
<retention>
<age>3456000</age>
<precision>3600</precision>
</retention>
<retention>
<age>10368000</age>
<precision>21600</precision>
</retention>
<retention>
<age>34560000</age>
<precision>43200</precision>
</retention>
<retention>
<age>63072000</age>
<precision>86400</precision>
</retention>
<retention>
<age>94608000</age>
<precision>604800</precision>
</retention>
</default>
</graphite_rollup>
<!-- Directory in <clickhouse-path> containing schema files for various input formats.
The directory will be created if it doesn't exist.
-->
<format_schema_path>/var/lib/clickhouse/format_schemas/</format_schema_path>
</yandex>

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version: "3"
services:
clickhouse:
image: yandex/clickhouse-server
expose:
- 8123
- 9000
ports:
- 9001:9000
- 8123:8123
volumes:
- ./clickhouse-config.xml:/etc/clickhouse-server/config.xml
- ./docker-entrypoint-initdb.d/init-db.sql:/docker-entrypoint-initdb.d/init-db.sql
- ./data/clickhouse/:/var/lib/clickhouse/
healthcheck:
# "clickhouse", "client", "-u ${CLICKHOUSE_USER}", "--password ${CLICKHOUSE_PASSWORD}", "-q 'SELECT 1'"
test: ["CMD", "wget", "--spider", "-q", "localhost:8123/ping"]
interval: 30s
timeout: 5s
retries: 3
query-service:
image: signoz/query-service:0.4.0
container_name: query-service
restart: always
command: ["-config=/root/config/prometheus.yml"]
ports:
- "8080:8080"
volumes:
- ./prometheus.yml:/root/config/prometheus.yml
- ../dashboards:/root/config/dashboards
environment:
- ClickHouseUrl=tcp://clickhouse:9000
- STORAGE=clickhouse
- POSTHOG_API_KEY=H-htDCae7CR3RV57gUzmol6IAKtm5IMCvbcm_fwnL-w
- GODEBUG=netdns=go
depends_on:
- clickhouse
frontend:
image: signoz/frontend:0.4.0
container_name: frontend
depends_on:
- query-service
links:
- "query-service"
ports:
- "3000:3000"
volumes:
- ../common/nginx-config.conf:/etc/nginx/conf.d/default.conf
otel-collector:
image: signoz/otelcontribcol:0.4.0
command: ["--config=/etc/otel-collector-config.yaml", "--mem-ballast-size-mib=2000"]
volumes:
- ./otel-collector-config.yaml:/etc/otel-collector-config.yaml
ports:
- "1777:1777" # pprof extension
- "8887:8888" # Prometheus metrics exposed by the agent
- "14268:14268" # Jaeger receiver
- "55678" # OpenCensus receiver
- "55680:55680" # OTLP HTTP/2.0 legacy port
- "55681:55681" # OTLP HTTP/1.0 receiver
- "4317:4317" # OTLP GRPC receiver
- "55679:55679" # zpages extension
- "13133" # health_check
deploy:
mode: replicated
replicas: 3
depends_on:
- clickhouse
otel-collector-hostmetrics:
image: signoz/otelcontribcol:0.4.0
command: ["--config=/etc/otel-collector-config-hostmetrics.yaml", "--mem-ballast-size-mib=683"]
volumes:
- ./otel-collector-config-hostmetrics.yaml:/etc/otel-collector-config-hostmetrics.yaml
depends_on:
- clickhouse
hotrod:
image: jaegertracing/example-hotrod:latest
container_name: hotrod
ports:
- "9000:8080"
command: ["all"]
environment:
- JAEGER_ENDPOINT=http://otel-collector:14268/api/traces
load-hotrod:
image: "grubykarol/locust:1.2.3-python3.9-alpine3.12"
container_name: load-hotrod
hostname: load-hotrod
ports:
- "8089:8089"
environment:
ATTACKED_HOST: http://hotrod:8080
LOCUST_MODE: standalone
NO_PROXY: standalone
TASK_DELAY_FROM: 5
TASK_DELAY_TO: 30
QUIET_MODE: "${QUIET_MODE:-false}"
LOCUST_OPTS: "--headless -u 10 -r 1"
volumes:
- ../common/locust-scripts:/locust

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CREATE TABLE IF NOT EXISTS signoz_index (
timestamp DateTime64(9) CODEC(Delta, ZSTD(1)),
traceID String CODEC(ZSTD(1)),
spanID String CODEC(ZSTD(1)),
parentSpanID String CODEC(ZSTD(1)),
serviceName LowCardinality(String) CODEC(ZSTD(1)),
name LowCardinality(String) CODEC(ZSTD(1)),
kind Int32 CODEC(ZSTD(1)),
durationNano UInt64 CODEC(ZSTD(1)),
tags Array(String) CODEC(ZSTD(1)),
tagsKeys Array(String) CODEC(ZSTD(1)),
tagsValues Array(String) CODEC(ZSTD(1)),
statusCode Int64 CODEC(ZSTD(1)),
references String CODEC(ZSTD(1)),
externalHttpMethod Nullable(String) CODEC(ZSTD(1)),
externalHttpUrl Nullable(String) CODEC(ZSTD(1)),
component Nullable(String) CODEC(ZSTD(1)),
dbSystem Nullable(String) CODEC(ZSTD(1)),
dbName Nullable(String) CODEC(ZSTD(1)),
dbOperation Nullable(String) CODEC(ZSTD(1)),
peerService Nullable(String) CODEC(ZSTD(1)),
INDEX idx_tagsKeys tagsKeys TYPE bloom_filter(0.01) GRANULARITY 64,
INDEX idx_tagsValues tagsValues TYPE bloom_filter(0.01) GRANULARITY 64,
INDEX idx_duration durationNano TYPE minmax GRANULARITY 1
) ENGINE MergeTree()
PARTITION BY toDate(timestamp)
ORDER BY (serviceName, -toUnixTimestamp(timestamp))

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receivers:
otlp:
protocols:
grpc:
http:
jaeger:
protocols:
grpc:
thrift_http:
hostmetrics:
collection_interval: 60s
scrapers:
cpu:
load:
memory:
disk:
filesystem:
network:
# Data sources: metrics
prometheus:
config:
scrape_configs:
- job_name: "otel-collector"
dns_sd_configs:
- names:
- 'tasks.signoz_otel-collector'
type: 'A'
port: 8888
- job_name: "otel-collector-hostmetrics"
scrape_interval: 10s
static_configs:
- targets: ["otel-collector-hostmetrics:8888"]
processors:
batch:
send_batch_size: 1000
timeout: 10s
memory_limiter:
# Same as --mem-ballast-size-mib CLI argument
ballast_size_mib: 683
# 80% of maximum memory up to 2G
limit_mib: 1500
# 25% of limit up to 2G
spike_limit_mib: 512
check_interval: 5s
# queued_retry:
# num_workers: 4
# queue_size: 100
# retry_on_failure: true
extensions:
health_check: {}
zpages: {}
exporters:
clickhouse:
datasource: tcp://clickhouse:9000
clickhousemetricswrite:
endpoint: tcp://clickhouse:9000/?database=signoz_metrics
resource_to_telemetry_conversion:
enabled: true
service:
extensions: [health_check, zpages]
pipelines:
traces:
receivers: [jaeger, otlp]
processors: [batch]
exporters: [clickhouse]
metrics:
receivers: [otlp, prometheus, hostmetrics]
processors: [batch]
exporters: [clickhousemetricswrite]

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receivers:
otlp:
protocols:
grpc:
http:
jaeger:
protocols:
grpc:
thrift_http:
processors:
batch:
send_batch_size: 1000
timeout: 10s
memory_limiter:
# Same as --mem-ballast-size-mib CLI argument
ballast_size_mib: 683
# 80% of maximum memory up to 2G
limit_mib: 1500
# 25% of limit up to 2G
spike_limit_mib: 512
check_interval: 5s
# queued_retry:
# num_workers: 4
# queue_size: 100
# retry_on_failure: true
extensions:
health_check: {}
zpages: {}
exporters:
clickhouse:
datasource: tcp://clickhouse:9000
clickhousemetricswrite:
endpoint: tcp://clickhouse:9000/?database=signoz_metrics
resource_to_telemetry_conversion:
enabled: true
service:
extensions: [health_check, zpages]
pipelines:
traces:
receivers: [jaeger, otlp]
processors: [batch]
exporters: [clickhouse]
metrics:
receivers: [otlp]
processors: [batch]
exporters: [clickhousemetricswrite]

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# my global config
global:
scrape_interval: 5s # Set the scrape interval to every 15 seconds. Default is every 1 minute.
evaluation_interval: 15s # Evaluate rules every 15 seconds. The default is every 1 minute.
# scrape_timeout is set to the global default (10s).
# Alertmanager configuration
alerting:
alertmanagers:
- static_configs:
- targets:
# - alertmanager:9093
# Load rules once and periodically evaluate them according to the global 'evaluation_interval'.
rule_files:
# - "first_rules.yml"
# - "second_rules.yml"
# A scrape configuration containing exactly one endpoint to scrape:
# Here it's Prometheus itself.
scrape_configs:
remote_read:
- url: tcp://clickhouse:9000/?database=signoz_metrics

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from locust import HttpUser, task, between
class UserTasks(HttpUser):
wait_time = between(5, 15)
@task
def rachel(self):
self.client.get("/dispatch?customer=123&nonse=0.6308392664170006")
@task
def trom(self):
self.client.get("/dispatch?customer=392&nonse=0.015296363321630757")
@task
def japanese(self):
self.client.get("/dispatch?customer=731&nonse=0.8022286220408668")
@task
def coffee(self):
self.client.get("/dispatch?customer=567&nonse=0.0022220379420636593")

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server {
listen 3000;
server_name _;
gzip on;
gzip_static on;
gzip_types text/plain text/css application/json application/x-javascript text/xml application/xml application/xml+rss text/javascript;
gzip_proxied any;
gzip_vary on;
gzip_comp_level 6;
gzip_buffers 16 8k;
gzip_http_version 1.1;
location / {
root /usr/share/nginx/html;
index index.html index.htm;
try_files $uri $uri/ /index.html;
}
location /api {
proxy_pass http://query-service:8080/api;
}
# redirect server error pages to the static page /50x.html
#
error_page 500 502 503 504 /50x.html;
location = /50x.html {
root /usr/share/nginx/html;
}
}

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