On Fri, 7 Jan 2005, Rasmus Lerdorf wrote: > Why is it hardcoded to be 8000? It would seem like you could easily be > unlucky and just miss the cutoff and end up with a 6000 byte heap bucket > followed by a 3000 byte transient bucket, for example, as a result of 3 > 3000 byte ap_rwrites. For that particular case it might be quite > beneficial to increase APR_BUCKET_BUFF_SIZE to 9000 which would suggest > that it might be something that should be configurable.
In fact, it used to be 9000. Then we realized that that was causing cache/page alignment problems. So we changed it to be just a fuzz less than 8KB to allow it plus the bucket allocator structures to fit into one 8KB or two 4KB pages. --Cliff
