Summary: Directory Server hangs when running VLV search and update operations simultaneously. https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=183222 There are at least two hang-up problems in the concurrent vlv search and delete. Please take a look at the attachment (id=142507) --> (https://bugzilla.redhat.com/bugzilla/attachment.cgi?id=142507&action=view) for details. And the following attachment is the proposed fix based upon the analysis. ------- Additional Comments From nhosoi@xxxxxxxxxx 2006-11-30 14:23 EST ------- Created an attachment (id=142508) --> (https://bugzilla.redhat.com/bugzilla/attachment.cgi?id=142508&action=view) cvs diffs Files: proto-back-ldbm.h idl.c sort.c vlv.c Changes: 1. promoted idl_delete to global to make it available in vlv_trim_candidates_byvalue. In vlv_trim_candidate_byvalue, if any id's in the idlist is found not having the corresponding entry, delete the id from the idlist and retry the binary search. 2. demoted too noisy error message: [...] - compare_entries db err -30990 [...] - compare_entries db err -30990 [...] 3. eliminated read-lock from vlv_find_index_by_filter to prevent the deadlock with the delete operation. Thank you, --noriko
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