Re: slapd syncrepl consumer having permanent high CPU load

[Howard Chu <hyc@symas.com>]

John Morrissey wrote:
> We're seeing the same thing, with 2.4.15 + the second-round fix from
> ITS#5860 and fully patched BDB 4.7. FWIW, this is with existing databases,
> not a fresh syncrepl.
>
> After a couple days of slapd uptime, its BDB entry and DN caches have grown
> to about 400k entries each

Grown to 400k, starting from what? What are the configured sizes, what's the 
total DB size?

> and slapd's memory footprint is increasing at
> ~100MB/hour. CPU consumption skyrockets and performance takes a nose dive.
> The CPU consumption seems to be spread across all threads; I can get another
> backtrace next time it happens, if that will help.

Yes, please provide a backtrace.

--
  -- Howard Chu
  CTO, Symas Corp.           http://www.symas.com
  Director, Highland Sun     http://highlandsun.com/hyc/
  Chief Architect, OpenLDAP  http://www.openldap.org/project/