[ https://forge.continuent.org/jira/browse/CAROB-123?page=all ]
Gilles Rayrat resolved CAROB-123:
---------------------------------
Resolution: Fixed
The implementation of buffered writes solved the problem. Apparently, Linux was
over-helmed with send() system calls and was descheduling the process
> Network performance issue on linux
> ----------------------------------
>
> Key: CAROB-123
> URL: https://forge.continuent.org/jira/browse/CAROB-123
> Project: Carob
> Type: Bug
> Components: C++ API
> Versions: Carob 0.7.1
> Environment: All linuxes. Reproduced with 2.4 and 2.6 kernels
> Reporter: Gilles Rayrat
> Assignee: Gilles Rayrat
> Priority: Blocker
> Fix For: Carob 0.7.2
>
>
> A simple query like "select * from table1" takes more than 40ms to execute
> with carob, where the same query in java takes less that 2ms
> Note that on a freeBSD OS, there is no problem
> The network trace shows that the packets come to the client, but the recv()
> inside carob take 40ms to return
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