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Posted to issues@eventmesh.apache.org by "Alonexc (via GitHub)" <gi...@apache.org> on 2023/03/17 01:40:11 UTC
[GitHub] [incubator-eventmesh] Alonexc opened a new issue, #3466: [Enhancement] Save and re-use this "Random"
Alonexc opened a new issue, #3466:
URL: https://github.com/apache/incubator-eventmesh/issues/3466
### Search before asking
- [X] I had searched in the [issues](https://github.com/apache/eventmesh/issues?q=is%3Aissue) and found no similar issues.
### Enhancement Request
located at:
eventmesh-sdk-java/src/main/java/org/apache/eventmesh/client/tcp/common/TcpClient.java line 63
analysis and explanation:
Creating a new Random object each time a random value is needed is inefficient and may produce numbers which are not random depending on the JDK. For better efficiency and randomness, create a single Random, then store, and reuse it.
The Random() constructor tries to set the seed with a distinct value every time. However there is no guarantee that the seed will be random or even uniformly distributed. Some JDK will use the current time as seed, which makes the generated numbers not random at all.
This rule finds cases where a new Random is created each time a method is invoked.
### Describe the solution you'd like
### Are you willing to submit PR?
- [ ] Yes I am willing to submit a PR!
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[GitHub] [eventmesh] xwm1992 closed issue #3466: [Enhancement] Save and re-use this "Random"
Posted by "xwm1992 (via GitHub)" <gi...@apache.org>.
xwm1992 closed issue #3466: [Enhancement] Save and re-use this "Random"
URL: https://github.com/apache/eventmesh/issues/3466
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