Hi, Thanks for the bug report. I can reproduce the bug. I will look for a fix.
Thierry > On 26 Apr 2017, at 05:14, Philip Seidel <philipsei...@gmail.com> wrote: > > Possible Lua Memory Leak? > > We are running HAProxy version 1.7.2 (also tested 1.7.5) and are loading a > Lua file which makes use of 2 actions. The first action is called on > http-request and the second on http-response. In the simple test case we put > together the request action stores some data in a table and calls > txn:set_priv to save the state for the transaction. The response action > calls txn:get_priv in order to access the state that was set in the request > action. All variables are set to nil once they are no longer needed but it > seems that no matter what kind of load HAProxy is receiving we leak a little > bit of memory with each request. Eventually, response times begin to > increase to the point where health checks to HAProxy begin to fail and the > server is unresponsive. We can take the instance out of rotation and memory > still doesn't get reclaimed despite all connections to the frontend and > backend being closed. We do see garbage collections happening but it never > cleans up enough to stabilize the instance. The leak is easily reproducible > using a local test instance and JMeter. The test uses 10 connections with > keep-alive at around 1500 r/s. It takes only a few minutes to consume over > 1.5G of memory. Any ideas as to what might be going on here? Is there > something wrong with how we are attempting to integrate these LUA actions? I > am happy to provide additional information if anyone is willing to assist > with this. I have posted the configuration and other files on pastebin. > > Configuration - https://pastebin.com/SBtAEZ9R > Lua - https://pastebin.com/64Anbxm4 >
