lm-ylj opened a new pull request, #9137:
URL: https://github.com/apache/seatunnel/pull/9137
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### Purpose of this pull request
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close https://github.com/apache/seatunnel/issues/9124
### Does this PR introduce _any_ user-facing change?
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### How was this patch tested?
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it was difficult to add.
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https://github.com/apache/seatunnel/blob/dev/seatunnel-e2e/seatunnel-connector-v2-e2e/connector-cdc-mysql-e2e/src/test/resources/mysqlcdc_to_mysql.conf,
here is a good example.
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In order to better reproduce this issue, I set `fs.cosn.buffer.size=8388608`
in seatunnel.yaml, so that there will only be one ByteBuffer in the BufferPool,
as follows:
```yaml
seatunnel:
engine:
backup-count: 1
queue-type: blockingqueue
print-execution-info-interval: 60
print-job-metrics-info-interval: 60
slot-service:
dynamic-slot: true
checkpoint:
interval: 30000
timeout: 60000
storage:
type: hdfs
max-retained: 3
plugin-config:
namespace: /seatunnel-test
storage.type: cos
cos.bucket: cosn://xxx
fs.AbstractFileSystem.cosn.impl:
org.apache.hadoop.fs.CosN
fs.cosn.credentials.provider:
org.apache.hadoop.fs.cosn.auth.SimpleCredentialsProvider
fs.cosn.userinfo.secretId: xxx
fs.cosn.userinfo.secretKey: xxx
fs.cosn.bucket.region: xxx
fs.cosn.impl: org.apache.hadoop.fs.cosn.CosNFileSystem
fs.cosn.buffer.size: 8388608
jar-storage:
enable: false
connector-jar-storage-mode: SHARED
connector-jar-storage-path: ""
connector-jar-cleanup-task-interval: 3600
connector-jar-expiry-time: 600
telemetry:
metric:
enabled: false
http:
enable-http: true
port: 8080
```
Then set `checkpoint.interval=1000` and start 2 tasks. The configuration
file is as follows:
```json
{
"env" : {
"parallelism" : 1,
"job.mode" : "STREAMING",
"checkpoint.interval" : 1000
},
"source" : [
{
"base-url" : "jdbc:mysql://xxx/sea_tunnel_test",
"username" : "xxx"
"password" : "xxx",
"table-names" : ["sea_tunnel_test.xxx"],
"plugin_name" : "MySQL-CDC"
}
],
"sink" : [
{
"db_num" : 1,
"port" : 6379,
"auth" : "xxx",
"host" : "xxx",
"data_type" : "key",
"support_custom_key" : true,
"second_value_serialize" : true,
"plugin_name" : "Redis",
"key" : "test"
}
]
}
```
and
```json
{
"env" : {
"parallelism" : 1,
"job.mode" : "STREAMING",
"checkpoint.interval" : 1000
},
"source" : [
{
"base-url" : "jdbc:mysql://xxx/sea_tunnel_test",
"username" : "xxx"
"password" : "xxx",
"table-names" : ["sea_tunnel_test.xxx"],
"plugin_name" : "MySQL-CDC"
}
],
"sink" : [
{
"db_num" : 2,
"port" : 6379,
"auth" : "xxx",
"host" : "xxx",
"data_type" : "key",
"support_custom_key" : true,
"second_value_serialize" : true,
"plugin_name" : "Redis",
"key" : "test"
}
]
}
```
before change:
```text
java.lang.NoClassDefFoundError: org/apache/hadoop/util/CleanerUtil
at
org.apache.hadoop.fs.cosn.ByteBufferWrapper.munmap(ByteBufferWrapper.java:61)
~[hadoop-cos-3.4.1.jar:?]
at
org.apache.hadoop.fs.cosn.ByteBufferWrapper.close(ByteBufferWrapper.java:89)
~[hadoop-cos-3.4.1.jar:?]
at
org.apache.hadoop.fs.cosn.BufferPool.returnBuffer(BufferPool.java:228)
~[hadoop-cos-3.4.1.jar:?]
at
org.apache.hadoop.fs.cosn.CosNOutputStream.close(CosNOutputStream.java:157)
~[hadoop-cos-3.4.1.jar:?]
at
org.apache.hadoop.fs.FSDataOutputStream$PositionCache.close(FSDataOutputStream.java:72)
~[seatunnel-hadoop3-3.1.4-uber.jar:2.3.8-SNAPSHOT]
at
org.apache.hadoop.fs.FSDataOutputStream.close(FSDataOutputStream.java:101)
~[seatunnel-hadoop3-3.1.4-uber.jar:2.3.8-SNAPSHOT]
at
org.apache.seatunnel.engine.checkpoint.storage.hdfs.HdfsStorage.storeCheckPoint(HdfsStorage.java:109)
~[seatunnel-starter.jar:2.3.8-SNAPSHOT]
at
org.apache.seatunnel.engine.server.checkpoint.CheckpointCoordinator.completePendingCheckpoint(CheckpointCoordinator.java:850)
~[seatunnel-starter.jar:2.3.8-SNAPSHOT]
at
org.apache.seatunnel.engine.server.checkpoint.CheckpointCoordinator.lambda$startTriggerPendingCheckpoint$7(CheckpointCoordinator.java:600)
~[seatunnel-starter.jar:2.3.8-SNAPSHOT]
at
java.util.concurrent.CompletableFuture.uniWhenComplete(CompletableFuture.java:774)
~[?:1.8.0_341]
at
java.util.concurrent.CompletableFuture$UniWhenComplete.tryFire(CompletableFuture.java:750)
~[?:1.8.0_341]
at
java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:456)
~[?:1.8.0_341]
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
~[?:1.8.0_341]
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
~[?:1.8.0_341]
at java.lang.Thread.run(Thread.java:750) [?:1.8.0_341]
```
after change:
No errors will be reported
### Check list
* [ ] If any new Jar binary package adding in your PR, please add License
Notice according
[New License
Guide](https://github.com/apache/seatunnel/blob/dev/docs/en/contribution/new-license.md)
* [ ] If necessary, please update the documentation to describe the new
feature. https://github.com/apache/seatunnel/tree/dev/docs
* [ ] If you are contributing the connector code, please check that the
following files are updated:
1. Update
[plugin-mapping.properties](https://github.com/apache/seatunnel/blob/dev/plugin-mapping.properties)
and add new connector information in it
2. Update the pom file of
[seatunnel-dist](https://github.com/apache/seatunnel/blob/dev/seatunnel-dist/pom.xml)
3. Add ci label in
[label-scope-conf](https://github.com/apache/seatunnel/blob/dev/.github/workflows/labeler/label-scope-conf.yml)
4. Add e2e testcase in
[seatunnel-e2e](https://github.com/apache/seatunnel/tree/dev/seatunnel-e2e/seatunnel-connector-v2-e2e/)
5. Update connector
[plugin_config](https://github.com/apache/seatunnel/blob/dev/config/plugin_config)
* [ ] Update the
[`release-note`](https://github.com/apache/seatunnel/blob/dev/release-note.md).
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