Return-Path: Delivered-To: apmail-apr-dev-archive@apr.apache.org Received: (qmail 45105 invoked by uid 500); 8 Sep 2001 18:31:57 -0000 Mailing-List: contact dev-help@apr.apache.org; run by ezmlm Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: Delivered-To: mailing list dev@apr.apache.org Received: (qmail 45093 invoked from network); 8 Sep 2001 18:31:57 -0000 Date: Sat, 08 Sep 2001 11:29:05 -0700 From: Brian Pane Subject: Re: [PATCH] Turn apr_table_t into a hash table To: rbb@covalent.net Cc: dev@httpd.apache.org, dev@apr.apache.org Message-id: <3B9A6371.1000204@pacbell.net> MIME-version: 1.0 Content-type: text/plain; charset=us-ascii; format=flowed Content-transfer-encoding: 7BIT X-Accept-Language: en-us User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:0.9.3) Gecko/20010801 References: <3B993AEB.8040602@pacbell.net> <20010908153211.A49E046DF4@koj.rkbloom.net> X-Spam-Rating: daedalus.apache.org 1.6.2 0/1000/N Ryan Bloom wrote: >On Friday 07 September 2001 14:23, Brian Pane wrote: > >>The attached patches change the apr_table_t implementation from >>a linear list to a hash table (not an apr_hash_t, though!). With >>this change, I'm seeing a ~3% improvement in throughput when >>delivering a 0-byte file over the loopback on Linux. (I used this >>0-byte test case to measure the inherent overhead in the httpd, without >>transmission time clouding the results.) >> > >I dislike this. Why are we putting a second hash table into APR? If we want >to use a hash, then ues an apr_hash_t. If apr_hash_t doesn't support something >that we MUST have to do this, then fix apr_hash_t. Having two different hash >alorithms in APR, one of them hidden under a tables API, seems kind of hackish >to me. > Are you arguing in favor of using apr_hash_t in the implementation of apr_table_t, or using apr_hash_t in place of apr_table_t in the request_rec? I'm comfortable with the former, but not the latter. --Brian