Re: mod_dav_fs locking / Re: apr_dbm and concurrency

2023-11-24 Thread Joe Orton
On Thu, Nov 23, 2023 at 05:42:10PM +, Emmanuel Dreyfus wrote: > On Thu, Nov 23, 2023 at 05:36:06PM +, Joe Orton wrote: > > 3) in the mean time I worked up a PR for mod_dav_fs which adds a global > > mutex around the dbm lockdb use. This passes my stress tests for the > > first time. > >

Re: mod_dav_fs locking / Re: apr_dbm and concurrency

2023-11-23 Thread Emmanuel Dreyfus
On Thu, Nov 23, 2023 at 05:36:06PM +, Joe Orton wrote: > 3) in the mean time I worked up a PR for mod_dav_fs which adds a global > mutex around the dbm lockdb use. This passes my stress tests for the > first time. How concurent is the stress test? In the past, I have been badly hurt by a f

mod_dav_fs locking / Re: apr_dbm and concurrency

2023-11-23 Thread Joe Orton
Adding dev@httpd to a dev@apr thread about apr_dbm locking being broken. On Sun, Nov 12, 2023 at 07:43:13AM -0600, Greg Stein wrote: > Or, apps can stick to an older APR. ... we don't have to carry this forward > into future versions of APR (IMO). > > To your point, it is probably a single page w