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About SEATA 柔性事务
【参考】 Seata 柔性事务 — ShardingSphere：https://shardingsphere.apache.org/document/current/cn/reference/transaction/base-transaction-seata/
服务构建
- 服务规划
| 服务 | IP | 备注 |
|---|---|---|
| Sysbench | 127.0.0.1 | Version:1.0.20 |
| MySQL | 127.0.0.1 | Version:5.7.26 |
| ShardingSphere-Proxy | 127.0.0.1 | GitHub - apache/shardingsphere:https://github.com/apache/shardingsphere |
| Seata | 127.0.0.1 | Version:1.4.2 |
- ShardingSphere-Proxy 构建配置
PROXY 获取
【参考】
1、How to Set Up Your DEV Environment：
https://shardingsphere.apache.org/community/cn/contribute/establish-project/
2、Nightly Build： http://117.48.121.24:8080/Proxy/
3、官网下载：https://shardingsphere.apache.org/document/current/cn/downloads/
CONF 相关
SERVER.YAML
######################################################################################################
#
# If you want to configure governance, authorization and proxy properties, please refer to this file.
#
######################################################################################################
# mode:
# type: Cluster
# repository:
# type: Zookeeper
# props:
# namespace: governance_ds
# server-lists: localhost:2181
# retryIntervalMilliseconds: 500
# timeToLiveSeconds: 60
# maxRetries: 3
# operationTimeoutMilliseconds: 500
# overwrite: true
rules:
- !AUTHORITY
users:
- root@%:root
- sharding@:sharding
provider:
type: NATIVE
#scaling:
# blockQueueSize: 10000
# workerThread: 40
- !TRANSACTION
defaultType: BASE
providerType: Seata
props:
max-connections-size-per-query: 1
sql-show: true
# executor-size: 16 # Infinite by default.
# proxy-frontend-flush-threshold: 128 # The default value is 128.
# # LOCAL: Proxy will run with LOCAL transaction.
# # XA: Proxy will run with XA transaction.
# # BASE: Proxy will run with B.A.S.E transaction.
# proxy-transaction-type: LOCAL
# xa-transaction-manager-type: Atomikos
# proxy-opentracing-enabled: false
# proxy-hint-enabled: false
# sql-show: false
# check-table-metadata-enabled: false
# lock-wait-timeout-milliseconds: 50000 # The maximum time to wait for a lock
# # Proxy backend query fetch size. A larger value may increase the memory usage of ShardingSphere Proxy.
# # The default value is -1, which means set the minimum value for different JDBC drivers.
# proxy-backend-query-fetch-size: -1CONFIG-SHARDING.YAML
schemaName: sbtest_sharding
dataSources:
ds_0:
url: jdbc:mysql://127.0.0.1:3306/sbtest_sharding?useSSL=false&useServerPrepStmts=true&cachePrepStmts=true&prepStmtCacheSize=8192&prepStmtCacheSqlLimit=1024
username: root
password: passwd
connectionTimeoutMilliseconds: 30000
idleTimeoutMilliseconds: 60000
maxLifetimeMilliseconds: 1800000
maxPoolSize: 3000
minPoolSize: 1
ds_1:
url: jdbc:mysql://127.0.0.2:3306/sbtest_sharding?useSSL=false&useServerPrepStmts=true&cachePrepStmts=true&prepStmtCacheSize=8192&prepStmtCacheSqlLimit=1024
username: root
password: passwd
connectionTimeoutMilliseconds: 30000
idleTimeoutMilliseconds: 60000
maxLifetimeMilliseconds: 1800000
maxPoolSize: 3000
minPoolSize: 1
rules:
- !SHARDING
tables:
sbtest1:
actualDataNodes: ds_${0..1}.sbtest1_${0..9}
tableStrategy:
standard:
shardingColumn: id
shardingAlgorithmName: table_inline_1
keyGenerateStrategy:
column: id
keyGeneratorName: snowflake
sbtest2:
actualDataNodes: ds_${0..1}.sbtest2_${0..9}
tableStrategy:
standard:
shardingColumn: id
shardingAlgorithmName: table_inline_2
keyGenerateStrategy:
column: id
keyGeneratorName: snowflake
sbtest3:
actualDataNodes: ds_${0..1}.sbtest3_${0..9}
tableStrategy:
standard:
shardingColumn: id
shardingAlgorithmName: table_inline_3
keyGenerateStrategy:
column: id
keyGeneratorName: snowflake
sbtest4:
actualDataNodes: ds_${0..1}.sbtest4_${0..9}
tableStrategy:
standard:
shardingColumn: id
shardingAlgorithmName: table_inline_4
keyGenerateStrategy:
column: id
keyGeneratorName: snowflake
sbtest5:
actualDataNodes: ds_${0..1}.sbtest5_${0..9}
tableStrategy:
standard:
shardingColumn: id
shardingAlgorithmName: table_inline_5
keyGenerateStrategy:
column: id
keyGeneratorName: snowflake
sbtest6:
actualDataNodes: ds_${0..1}.sbtest6_${0..9}
tableStrategy:
standard:
shardingColumn: id
shardingAlgorithmName: table_inline_6
keyGenerateStrategy:
column: id
keyGeneratorName: snowflake
sbtest7:
actualDataNodes: ds_${0..1}.sbtest7_${0..9}
tableStrategy:
standard:
shardingColumn: id
shardingAlgorithmName: table_inline_7
keyGenerateStrategy:
column: id
keyGeneratorName: snowflake
sbtest8:
actualDataNodes: ds_${0..1}.sbtest8_${0..9}
tableStrategy:
standard:
shardingColumn: id
shardingAlgorithmName: table_inline_8
keyGenerateStrategy:
column: id
keyGeneratorName: snowflake
sbtest9:
actualDataNodes: ds_${0..1}.sbtest9_${0..9}
tableStrategy:
standard:
shardingColumn: id
shardingAlgorithmName: table_inline_9
keyGenerateStrategy:
column: id
keyGeneratorName: snowflake
sbtest10:
actualDataNodes: ds_${0..1}.sbtest10_${0..9}
tableStrategy:
standard:
shardingColumn: id
shardingAlgorithmName: table_inline_10
keyGenerateStrategy:
column: id
keyGeneratorName: snowflake
defaultDatabaseStrategy:
standard:
shardingColumn: id
shardingAlgorithmName: database_inline
shardingAlgorithms:
database_inline:
type: INLINE
props:
algorithm-expression: ds_${id & 1}
table_inline_1:
type: INLINE
props:
algorithm-expression: sbtest1_${id % 10}
table_inline_2:
type: INLINE
props:
algorithm-expression: sbtest2_${id % 10}
table_inline_3:
type: INLINE
props:
algorithm-expression: sbtest3_${id % 10}
table_inline_4:
type: INLINE
props:
algorithm-expression: sbtest4_${id % 10}
table_inline_5:
type: INLINE
props:
algorithm-expression: sbtest5_${id % 10}
table_inline_6:
type: INLINE
props:
algorithm-expression: sbtest6_${id % 10}
table_inline_7:
type: INLINE
props:
algorithm-expression: sbtest7_${id % 10}
table_inline_8:
type: INLINE
props:
algorithm-expression: sbtest8_${id % 10}
table_inline_9:
type: INLINE
props:
algorithm-expression: sbtest9_${id % 10}
table_inline_10:
type: INLINE
props:
algorithm-expression: sbtest10_${id % 10}
keyGenerators:
snowflake:
type: SNOWFLAKE
props:
worker-id: 123SEATA.CONF
client {
application.id = id
transaction.service.group = my_test_tx_group
}FILE.CONF
## transaction log store, only used in seata-server
store {
## store mode: file、db、redis
mode = "file"
## file store property
file {
## store location dir
dir = "sessionStore"
# branch session size , if exceeded first try compress lockkey, still exceeded throws exceptions
maxBranchSessionSize = 16384
# globe session size , if exceeded throws exceptions
maxGlobalSessionSize = 512
# file buffer size , if exceeded allocate new buffer
fileWriteBufferCacheSize = 16384
# when recover batch read size
sessionReloadReadSize = 100
# async, sync
flushDiskMode = async
}
## database store property
db {
## the implement of javax.sql.DataSource, such as DruidDataSource(druid)/BasicDataSource(dbcp)/HikariDataSource(hikari) etc.
datasource = "druid"
## mysql/oracle/postgresql/h2/oceanbase etc.
dbType = "mysql"
driverClassName = "com.mysql.jdbc.Driver"
url = "jdbc:mysql://127.0.0.1:3306/seata"
user = "root"
password = "123456"
minConn = 5
maxConn = 100
globalTable = "global_table"
branchTable = "branch_table"
lockTable = "lock_table"
queryLimit = 100
maxWait = 5000
}
## redis store property
redis {
host = "127.0.0.1"
port = "6379"
password = ""
database = "0"
minConn = 1
maxConn = 10
maxTotal = 100
queryLimit = 100
}
}
transport {
# tcp udt unix-domain-socket
type = "TCP"
#NIO NATIVE
server = "NIO"
#enable heartbeat
heartbeat = true
#thread factory for netty
thread-factory {
boss-thread-prefix = "NettyBoss"
worker-thread-prefix = "NettyServerNIOWorker"
server-executor-thread-prefix = "NettyServerBizHandler"
share-boss-worker = false
client-selector-thread-prefix = "NettyClientSelector"
client-selector-thread-size = 1
client-worker-thread-prefix = "NettyClientWorkerThread"
# netty boss thread size,will not be used for UDT
boss-thread-size = 1
#auto default pin or 8
worker-thread-size = 8
}
}
service {
vgroupMapping.my_test_tx_group = "default"
#only support when registry.type=file, please don't set multiple addresses
default.grouplist = "127.0.0.1:8091"
#degrade, current not support
enableDegrade = false
#disable seata
disableGlobalTransaction = false
}
client {
async.commit.buffer.limit = 10000
lock {
retry.internal = 10
retry.times = 30
}
}REGISTRY.CONF
registry {
# file 、nacos 、eureka、redis、zk、consul、etcd3、sofa
type = "file"
loadBalance = "RandomLoadBalance"
loadBalanceVirtualNodes = 10
nacos {
application = "seata-server"
serverAddr = "127.0.0.1:8848"
group = "SEATA_GROUP"
namespace = ""
cluster = "default"
username = ""
password = ""
}
eureka {
serviceUrl = "http://localhost:8761/eureka"
application = "default"
weight = "1"
}
redis {
serverAddr = "localhost:6379"
db = 0
password = ""
cluster = "default"
timeout = 0
}
zk {
cluster = "default"
serverAddr = "127.0.0.1:2181"
sessionTimeout = 6000
connectTimeout = 2000
username = ""
password = ""
}
consul {
cluster = "default"
serverAddr = "127.0.0.1:8500"
}
etcd3 {
cluster = "default"
serverAddr = "http://localhost:2379"
}
sofa {
serverAddr = "127.0.0.1:9603"
application = "default"
region = "DEFAULT_ZONE"
datacenter = "DefaultDataCenter"
cluster = "default"
group = "SEATA_GROUP"
addressWaitTime = "3000"
}
file {
name = "file.conf"
}
}
config {
# file、nacos 、apollo、zk、consul、etcd3
type = "file"
nacos {
serverAddr = "127.0.0.1:8848"
namespace = ""
group = "SEATA_GROUP"
username = ""
password = ""
}
consul {
serverAddr = "127.0.0.1:8500"
}
apollo {
appId = "seata-server"
apolloMeta = "http://192.168.1.204:8801"
namespace = "application"
apolloAccesskeySecret = ""
}
zk {
serverAddr = "127.0.0.1:2181"
sessionTimeout = 6000
connectTimeout = 2000
username = ""
password = ""
}
etcd3 {
serverAddr = "http://localhost:2379"
}
file {
name = "file.conf"
}
}LIB 相关
#### 增加以下包
wget https://repo1.maven.org/maven2/mysql/mysql-connector-java/8.0.26/mysql-connector-java-8.0.26.jar
wget https://repo1.maven.org/maven2/com/github/ben-manes/caffeine/caffeine/2.7.0/caffeine-2.7.0.jar
wget https://repo1.maven.org/maven2/io/seata/seata-all/1.4.2/seata-all-1.4.2.jar
wget https://repo1.maven.org/maven2/org/apache/shardingsphere/shardingsphere-infra-optimize/5.0.0/shardingsphere-infra-optimize-5.0.0.jar
wget https://repo1.maven.org/maven2/cglib/cglib/3.1/cglib-3.1.jar
wget https://repo1.maven.org/maven2/org/apache/commons/commons-pool2/2.9.0/commons-pool2-2.9.0.jar
wget https://repo1.maven.org/maven2/commons-pool/commons-pool/1.6/commons-pool-1.6.jar
wget https://repo1.maven.org/maven2/com/typesafe/config/1.2.1/config-1.2.1.jar
#### 删除以下包，否则会有冲突
[root@localhost lib]# ll -thrl | grep xa
-rw-r--r--. 1 root root 44K Nov 27 12:36 shardingsphere-transaction-xa-core-5.0.1-SNAPSHOT.jar
-rw-r--r--. 1 root root 11K Nov 27 12:36 shardingsphere-transaction-xa-spi-5.0.1-SNAPSHOT.jar
-rw-r--r--. 1 root root 13K Nov 27 12:36 shardingsphere-transaction-xa-atomikos-5.0.1-SNAPSHOT.jar
### 获取 shardingsphere-transaction-base-seata-at-5.0.1-SNAPSHOT.jar
shardingsphere-transaction-base-seata-at-5.0.1-SNAPSHOT.jar
git clone https://github.com/apache/shardingsphere.git
cd shardingsphere
./mvnw -Dmaven.javadoc.skip=true -Djacoco.skip=true -DskipITs -DskipTests clean install -T1C -Prelease
ll ./shardingsphere-kernel/shardingsphere-transaction/shardingsphere-transaction-type/shardingsphere-transaction-base/shardingsphere-transaction-base-seata-at/target/shardingsphere-transaction-base-seata-at-5.0.1-SNAPSHOT.jar
wget https://repo1.maven.org/maven2/org/apache/shardingsphere/shardingsphere-transaction-base-seata-at/5.0.0/shardingsphere-transaction-base-seata-at-5.0.0.jar- Seata 构建
DOCKER 启动
docker run -d --name seata-server -p 8091:8091 seataio/seata-server:1.4.2容器命令行及查看日志
$ docker exec -it seata-server sh
$ docker logs -f seata-server直接部署
https://github.com/seata/seata/archive/refs/tags/v1.4.2.zip
unzip v1.4.2.zip
sh ./bin/seata-server.sh -p 8091 -h 127.0.0.1 -m file【参考】 https://seata.io/zh-cn/docs/ops/deploy-server.html
- DB 配置
MYSQL 建表语句
### proxy 中的每个 ds 建表
CREATE TABLE undo_log (id bigint(20) NOT NULL AUTO_INCREMENT,branch_id bigint(20) NOT NULL,xid varchar(100) NOT NULL,context varchar(128) NOT NULL,rollback_info longblob NOT NULL,log_status int(11) NOT NULL,log_created datetime NOT NULL,log_modified datetime NOT NULL,ext varchar(100) DEFAULT NULL,PRIMARY KEY (id),UNIQUE KEY ux_undo_log (xid,branch_id)) AUTO_INCREMENT=1 ;POSTGRESQL 建表语句
#### Proxy 的每个 ds 均需创建
CREATE TABLE "public"."undo_log" (
"id" SERIAL NOT NULL primary key,
"branch_id" int8 NOT NULL,
"xid" varchar(100) COLLATE "default" NOT NULL,
"context" varchar(128) COLLATE "default" NOT NULL,
"rollback_info" bytea NOT NULL,
"log_status" int4 NOT NULL,
"log_created" timestamp(6) NOT NULL,
"log_modified" timestamp(6) NOT NULL,
"ext" varchar(100) COLLATE "default" DEFAULT NULL::character varying,
CONSTRAINT "unq_idx_ul_branchId_xid" UNIQUE ("branch_id", "xid")
)
WITH (OIDS=FALSE)
;
ALTER TABLE "public"."undo_log" OWNER TO "postgres";压测过程
### seata
./seata-server.sh -h 127.0.0.1 -p 8091 -m file > ../seata.log &
### proxy
./bin/start.sh
### sysbench
sysbench oltp_read_write --mysql-host=127.0.0.1 --mysql-port=3307 --mysql-user=root --mysql-password=root --mysql-db=sbtest_sharding --tables=10 --table-size=1000000 --report-interval=10 --time=10 --threads=1 --max-requests=0 --percentile=99 --rand-type=uniform --range_selects=off --auto_inc=off run结果展示
Check 1: Proxy 成功注册入 Seata
Check 2: Proxy 正常执行事务
【参考】 Sharding-Proxy 如何集成分布式事务 Seata：https://community.sphere-ex.com/t/topic/404/2
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