spring-cloud / spring-cloud/spring-cloud-zookeeper
Allowing to switch off ZookeeperServiceWatch
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- Dominant language
- Java
- Stars
- 574
- Forks
- 408
- Avg merge
- 1d 12h
- Merged PRs (30d)
- 4
Description
Is your feature request related to a problem? Please describe.
ZookeeperServiceWatch create a treecache to iterate watch /services dir, when service and service instance num increase high，the watcher num will increase dramatically as instances watch the path each other
e.g. service num is 500, instance num is 2500, the watch number will be (500 + 2500) * 2500 * 2= 15m ,multiply 2 as
path data and path children will be both watched
Describe the solution you'd like
add a swtich to disable ZookeeperServiceWatch
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
No file or test is named. Start by locating ZookeeperServiceWatch and its tree-cache setup, then trace how service-discovery configuration is loaded; done means a configuration switch can prevent the watcher from being enabled without breaking the existing service-discovery path.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- java, spring
- Domain
- backend, distributed-systems
- Issue type
- Feature
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100