>>> Quanah Gibson-Mount <[email protected]> schrieb am 16.08.2021 um 23:20 in Nachricht <45379D5CBFA94DE3B1EA38E5@[192.168.1.4]>:
> > ‑‑On Monday, August 16, 2021 10:00 PM +0000 Petteri Stenius > <[email protected]> wrote: > >> >> Thank you for your quick response. >> >> >> If idlexp is the accepted solution then I'd like to understand how to >> choose correct value for idlexp? >> >> >> I have quickly tested with most values. With my quick tests I could not >> find any significant impact on performance. Setting idlexp to maximum 31 >> did however cause slapd to crash with segmentation fault on my system. > > The appropriate value for any environment is entirely dependent on that > environment's indexing and attribute value distribution for those indexed > attributes. You generally want the minimum value for idlexp that allows > searches to function without performance problems. Increasing the idlexp > size increases slapd memory usage. Keep in mind that every increase in the > idlexp value increases the index slot range by a power of 2. The largest Did you mean "to a power of 2", or do you really mean "by a power of 2"? > value I've ever needed for a massively large db with wide value > distributions was 22. ... Regards, Ulrich
