Re: lmdb, load-balancing, Sharing data about worker nodes among processes and threads in httpd

2019-02-19 Thread Jim Jagielski
One of the reasons we use mod_slotmem for load-balancing is that it allows for other storage mechanisms to be used rather than shared memory... mod_slotmem uses the httpd provider mechanism to extend the underlying implementation. As such, we could use LMDB, Geode, as our shared storage. > On

lmdb, load-balancing, Sharing data about worker nodes among processes and threads in httpd

2019-02-18 Thread Michal Karm
Hello, Over the years spent on and off with mod_proxy_cluster [1] it has always been a problem and a bottleneck to maintain fresh shared information among httpd's processes and threads about joining _and leaving_ workers. Especially when the number of workers is in many hundreds and the