> What is your entry cache size? I suggest you set it to something > small, like 100, during the slapcat test. It was 5000 I've tried 100 and ulimit mem at 1024000 after about 50 mins of slapcat: 1600 MB ca. MEM allocated coredump (1691966556 bytes) output ldif ca. 20% of full DB :( Paolo Rossi