http2

Checklist

• Dependencies installed
• No typos
• Searched existing issues and docs

Issue Description

When using the RateLimiter Middleware with a rate between 0 and 1 all events will be rejected instead of applying the specified rate. E.g.: e.Use(middleware.RateLimiter(middleware.NewRateLimiterMemoryStore(0.5)))

I am not saying that it is a common use case to have

Feature request

Feature description

The generated and installed config files permission are too open, any user logined on the system can read and write them. So i suggest append a chmod command into Extract tar step to keep config files more safty.

How the feature is useful

The MinSendBackupAfterMs is now set to 1 ms. Unfortunately this causes backup requests to be send when there is low load. It would be useful if we could set the minimum a little bit higher for certain endpoints.

Latest Sofa Hessian version is 3.3.13, we can update it in Sofa rpc

Currently, UnframedGrpcService returns an error message as plain text.
https://github.com/line/armeria/blob/54b70906bcd813f0b9b2c6715ad4086160ac49b2/grpc/src/main/java/com/linecorp/armeria/server/grpc/UnframedGrpcService.java#L255-L272
It would be nice to return a JSON object if the content type is JSON compatible.

{ 
   "code": "FAILED_PRECONDITION",
   "message": "Input validatio

Currently we have a mix of:

• Out of memory error.
• Out of memory error
• out of memory error
• out of memory
• out of memory.
• out of memory [some context]

All these should be adjusted to use the same wording for consistency and it should also make the executable a little bit smaller 😄