[web-devel] Caching the System time

[Kazu Yamamoto ( 山本和彦 )]

Hello,

> replace the MVar handle with an IORef [Data.Sequence.Seq String]
> logs are appended with atomicModifyIORef
> then every n seconds, a worker thread uses atomicModifyIORef to clear the sequence and write the log messages to a handle? 
> 
> this way, logging a message doesn't require taking an mvar

It would be faster. But we need to implement a special flush system
for process termination. I will try to implement if time allows.

--Kazu