<div>Hello.</div><div>There is a task "Sequential disk access during VACUUM for GiST/GIN " in list GSOC14.</div><div>Nobody is working on this task?</div><div><span lang="en"><span>Do I understand</span> <span>this task correctly</span><span>?</span></span></div><div><span lang="en"><span>I must recode gistbulkdelete.</span></span></div><div><span lang="en"><span>GistBDItem *stack is must have items with sequential blkno as possible.</span></span></div><div><span lang="en"><span>I have a question:</span></span></div><div><span lang="en"><span>where are access to disk in this function? ReadBufferExtended?</span></span></div><div><span lang="en"><span>Thanks</span></span></div>