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Posted to notifications@shardingsphere.apache.org by "zhaojinchao95 (via GitHub)" <gi...@apache.org> on 2023/05/11 10:12:56 UTC
[GitHub] [shardingsphere] zhaojinchao95 opened a new issue, #25576: ShardingSphere' s curator usage has event blocking risk.
zhaojinchao95 opened a new issue, #25576:
URL: https://github.com/apache/shardingsphere/issues/25576
Hi community,
Currently, ShardingSphere' s curator usage has event blocking risk. because [ZooKeeper watches are single threaded](https://cwiki.apache.org/confluence/display/CURATOR/TN1), So we can't use curator thread to do something. For example, load database metadata or persist data to governance center.
Reproduce Steps:
```
1. CREATE DATABASE sharding_db;
2. USE sharding_db;
3. REGISTER STORAGE UNIT ds_0 (
URL="jdbc:mysql://127.0.0.1:3306/yy?serverTimezone=UTC&allowPublicKeyRetrieval=true&useSSL=false&useServerPrepStmts=true&cachePrepStmts=true&prepStmtCacheSize=8192&prepStmtCacheSqlLimit=8000",
USER="root",
PASSWORD="root",
PROPERTIES("maximumPoolSize"=20,"minimumIdle"=1,"idleTimeout"="30000")
);
The ds_0 data source has 1k+ tables.
4. SET DIST VARIABLE sql_show = true; // sql_show is always false and need to a long time to update.
5. SHOW DIST VARIABLES;
```
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Re: [I] Curator usage has event blocking risk. [shardingsphere]
Posted by "github-actions[bot] (via GitHub)" <gi...@apache.org>.
github-actions[bot] commented on issue #25576:
URL: https://github.com/apache/shardingsphere/issues/25576#issuecomment-1973838765
There hasn't been any activity on this issue recently, and in order to prioritize active issues, it will be marked as stale.
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[GitHub] [shardingsphere] boyjoy1127 commented on issue #25576: Curator usage has event blocking risk.
Posted by "boyjoy1127 (via GitHub)" <gi...@apache.org>.
boyjoy1127 commented on issue #25576:
URL: https://github.com/apache/shardingsphere/issues/25576#issuecomment-1585976417
Will this issue be completed before June 15 which is the final date of version 5.4.0?
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[GitHub] [shardingsphere] github-actions[bot] commented on issue #25576: Curator usage has event blocking risk.
Posted by "github-actions[bot] (via GitHub)" <gi...@apache.org>.
github-actions[bot] commented on issue #25576:
URL: https://github.com/apache/shardingsphere/issues/25576#issuecomment-1657254268
There hasn't been any activity on this issue recently, and in order to prioritize active issues, it will be marked as stale.
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