> On 11 Aug 2017, at 20:07, Robert Haas <robertmh...@gmail.com> wrote: > > On Fri, Aug 11, 2017 at 9:55 AM, Alex K <kondratov.alek...@gmail.com> wrote: >> - I have used both Latch and ConditionalVariable for the same >> purpose–wait until some signal >> occurs–and for me as an end user they perform quite similar. I >> looked into the condition_variable.c >> code and it uses Latch and SpinLock under the hood. So what are >> differences and dis-/advantages >> between Latch and ConditionalVariable? > > A ConditionVariable lets you signal the processes that are waiting > without needing to know in advance exactly which processes those are. > If you use latches directly, you'll have to somehow keep track of > which processes need to be signaled.
Based on the discussion in this thread, and that a new version of the patch hasn’t been submitted during the commitfest, I’m marking this Returned with Feedback. Please re-submit a new version in an upcoming commitfest. cheers ./daniel -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
