压测刚开始的时候还是正常的，当压测两三分钟之后，proxy开始报错，提示HikariPool-2 - Connection is not available, request timed out after 30000ms.
java服务配置的数据库连接配置如下：
spring.datasource.url=jdbc:mysql://10.10.16.10:31454/sharding_db?useUnicode=true&characterEncoding=utf-8&useSSL=false&allowPublicKeyRetrieval=true
spring.datasource.username=root
spring.datasource.password=root
spring.datasource.hikari.connectionTimeout=30000
spring.datasource.hikari.idleTimeout=30000
spring.datasource.hikari.keepaliveTime=60000
spring.datasource.hikari.maxLifetime=1800000
spring.datasource.hikari.maximumPoolSize=10
shardingsphere-proxy server配置如下：
mode:
type: Cluster
repository:
type: ZooKeeper
props:
namespace: governance_ds
server-lists: 10.10.16.90:2181
retryIntervalMilliseconds: 500
timeToLiveSeconds: 60
maxRetries: 3
operationTimeoutMilliseconds: 500
overwrite: false
rules:
- !AUTHORITY
users:- root@%:root
- sharding@:sharding
provider:
type: ALL_PRIVILEGES_PERMITTED
- !TRANSACTION
defaultType: XA
providerType: Atomikos - !SQL_PARSER
sqlCommentParseEnabled: true
sqlStatementCache:
initialCapacity: 2000
maximumSize: 65535
concurrencyLevel: 4
parseTreeCache:
initialCapacity: 128
maximumSize: 1024
concurrencyLevel: 4
props:
max-connections-size-per-query: 1
kernel-executor-size: 16
proxy-frontend-flush-threshold: 128
proxy-opentracing-enabled: false
proxy-hint-enabled: true
sql-show: true
check-table-metadata-enabled: false
show-process-list-enabled: false
proxy-backend-query-fetch-size: -1
check-duplicate-table-enabled: false
proxy-frontend-executor-size: 0
proxy-backend-executor-suitable: OLTP
proxy-frontend-max-connections: 0
sql-federation-enabled: false
proxy-backend-driver-type: JDBC
config-sharding的配置如下：
schemaName: sharding_db
dataSources:
wey_test:
url: jdbc:mysql://10.200.16.13:3306/db?useUnicode=true&characterEncoding=utf-8&useSSL=false&allowPublicKeyRetrieval=true&serverTimezone=Asia/Shanghai
username: ***
password: ***
connectionTimeoutMilliseconds: 30000
idleTimeoutMilliseconds: 60000
maxLifetimeMilliseconds: 1800000
maxPoolSize: 50
minPoolSize: 1
rules:
- !SHARDING
defaultDatabaseStrategy:
none:
defaultTableStrategy:
none: