2:32 a.m.
Hi,
when trying to use the pcache overlay for an MDB database instance, it seems to work, at
least some first test
search seem to be significantly improved but then the slapd process without anything in
the logs (no segfault
at least). Unfortunately it is not possible to restart the slapd process either, as it
also soon dies after
starting.
The config used looks something like the following:
dn: olcOverlay={0}pcache,olcDatabase={1}mdb,cn=config
objectClass: olcOverlayConfig
objectClass: olcPcacheConfig
olcOverlay: {0}pcache
olcPcache: mdb 1000 1 1000 100
olcPcacheAttrset: 0 bn attribute1 attribute2 objectClass
olcPcacheTemplate: "(&(|(objectClass=)(objectClass=))(bn=))" 0 120
olcPcacheTemplate: "(bn=)" 0 120
dn: olcDatabase={0}mdb,olcOverlay={0}pcache,olcDatabase={1}mdb,cn=config
objectClass: olcMdbConfig
objectClass: olcPcacheDatabase
olcDatabase: {0}mdb
olcDbDirectory: /data/pcache
olcDbIndex: objectClass eq
olcDbIndex: bn pres,eq,sub
Is pcache supposed to work as an overlay for mdb database? Or does it only work with an
ldap backend db?
Thanks,
Norbert
11:06 a.m.
Norbert wrote:
Is pcache supposed to work as an overlay for mdb database? Or does it
only work with an ldap backend db?
It was only designed for use with back-ldap. But if you can get a backtrace of a failure
on back-mdb we might take a look.
Thanks,
Norbert
--
-- Howard Chu
CTO, Symas Corp. http://www.symas.com
Director, Highland Sun http://highlandsun.com/hyc/
Chief Architect, OpenLDAP http://www.openldap.org/project/
3:15 a.m.
Am 24.08.22 um 20:06 schrieb Howard Chu:
Norbert wrote:
> Is pcache supposed to work as an overlay for mdb database? Or does it only work with
an ldap backend db?
It was only designed for use with back-ldap. But if you can get a backtrace of a failure
on back-mdb we might take a look.
This is what I get when trying to start openldap 2.5.13 (from repo.symas.com) on debian 10
and having the
pcache configuration applied.
#0 __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
#1 0x00007ffff78bd535 in __GI_abort () at abort.c:79
#2 0x00007ffff78bd40f in __assert_fail_base (fmt=0x7ffff7a1eee0 "%s%s%s:%u:
%s%sAssertion `%s' failed.\n%n",
assertion=0x7ffff702a08a "!rc", file=0x7ffff702a046 "id2entry.c",
line=819,
function=<optimized out>) at assert.c:92
#3 0x00007ffff78cb102 in __GI___assert_fail (assertion=assertion@entry=0x7ffff702a08a
"!rc",
file=file@entry=0x7ffff702a046 "id2entry.c", line=line@entry=819,
function=function@entry=0x7ffff702a110 <__PRETTY_FUNCTION__.13589>
"mdb_opinfo_get") at assert.c:101
#4 0x00007ffff7013165 in mdb_opinfo_get (op=op@entry=0x7ff86e7fa020,
mdb=mdb@entry=0x7ffff6f19010,
rdonly=rdonly@entry=1, moip=moip@entry=0x7ff86e7e9af8) at id2entry.c:819
#5 0x00007ffff7007ae4 in mdb_search (op=0x7ff86e7fa020, rs=0x7ff86e7f9fb0) at
search.c:449
#6 0x0000555555609751 in ?? ()
#7 0x0000000000000028 in ?? ()
#8 0x00005555557ee700 in ?? ()
#9 0x00005555557ee700 in ?? ()
#10 0x00007ff86e7fa020 in ?? ()
#11 0x00007ff860001038 in ?? ()
#12 0x00005555557ef410 in ?? ()
#13 0x00005555557ee700 in ?? ()
#14 0x00007ff86e7f9fb0 in ?? ()
#15 0x0000000000000002 in ?? ()
#16 0x00005555556098c1 in ?? ()
#17 0x00007ff86e7f9ea0 in ?? ()
#18 0x000055555580d500 in ?? ()
#19 0x00007ffff70327e0 in ?? () from /opt/symas/lib/openldap/back_mdb-2.5.so.0
#20 0x00005555557ef410 in ?? ()
#21 0x0000010001010100 in ?? ()
#22 0x0101000101000001 in ?? ()
#23 0x0000000001000000 in ?? ()
#24 0x0000000000000000 in ?? ()
Regards,
Norbert
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days inactive
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