Re: Apache memory usage

[Danny Mallory <dmallor@xxxxxxxxx>]

mods enabled: 

access_compat.load  authz_groupfile.load  dir.load      mpm_event.conf      proxy.load          ssl.conf
alias.conf          authz_host.load       env.load      mpm_event.load      remoteip.load       ssl.load
alias.load          authz_user.load       filter.load   negotiation.conf    reqtimeout.conf     status.conf
auth_basic.load     autoindex.conf        headers.load  negotiation.load    reqtimeout.load     status.load
authn_core.load     autoindex.load        ldap.conf     proxy_ajp.load      rewrite.load        vhost_alias.load
authn_file.load     deflate.conf          ldap.load     proxy.conf          setenvif.conf
authnz_ldap.load    deflate.load          mime.conf     proxy_connect.load  setenvif.load
authz_core.load     dir.conf              mime.load     proxy_http.load     socache_shmcb.load

We did find a LOT of ldap connections not being closed also (when Apache was hung we saw over 300 established LDAP connections).  While it didnt fix the overall memory leak we fixed those number of connections hung by forcing the ldap connection and pool to timeout after 60s.  LDAP seems suspect for the memory leak but not sure. 

On Fri, Jun 19, 2020 at 9:28 AM Yann Ylavic <ylavic.dev@xxxxxxxxx> wrote:

On Fri, Jun 19, 2020 at 4:20 PM Yann Ylavic <ylavic.dev@xxxxxxxxx> wrote:
>
> On Thu, Jun 18, 2020 at 8:03 PM Danny Mallory <dmallor@xxxxxxxxx> wrote:
> >
> > Anyone here know a good way to tell what Apache may be chewing up memory on?
>
> Do you have MaxMemFree configured already
> (https://httpd.apache.org/docs/2.4/mod/mpm_common.html#maxmemfree)?
> If not, does "MaxMemFree 2048" (for instance) help?

Nevermind, MaxMemFree 2048 is already the default so it's likely not the issue.

Which modules do you load?

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