On Fri, Nov 27, 2020 at 3:53 AM Gianluca Renzi <[email protected]> wrote:
> So, after upgrading to Guacamole 1.2.0 (both client and server), I still > have the same issue under heavy load (here "heavy" means > 300 connected > clients, but we would like to support at least 2000 cuncurrent clients). > > Increasing the guacd log level to "debug" I see that failed connections > have this error: > > *guacd[73533]: DEBUG:#011failed to create thread pipe fd 0* > > but I'm unable to find the cause. Is this an operating system limit or a > file system limit? > Yeah, seems like you might be hitting a limit on the system, probably number of open files. You might check ulimit and/or /etc/security/limits.conf and make sure that the user running guacd has a reasonably high limit on number of open files, and adjust as necessary. Also examine other limits (stack size, number of processes, etc.) and make sure the user isn't encountering any other limits that might be blocking this. -Nick >
