Thanks Stephen , Vladimir, Let me explore DPDK RCU more, if it helps my application. Will get back with my results. Regards. Rajesh On Wed, Aug 28, 2024 at 10:53 PM Stephen Hemminger < stephen@networkplumber.org> wrote: > On Wed, 28 Aug 2024 15:54:27 +0000 > "Medvedkin, Vladimir" wrote: > > > Thanks for the reply. > > > > Bihash I mean bounded index what Vpp supports. > > > > Iam looking for the bucket level lock support. Currently Iam using hash > table shared by multiple process or multiple core/threads. So I have to > take the write lock by single core and then read lock by multiple cores to > read the value wrote in this hash table. Multiple readers are getting > blocked due to this. I want to avoid this to increase performance. > > > > Let me know your thoughts on this. > > > > Regards > > Rajesh > > RCU is always faster than reader/writer locks. > Reader/Writer locks are slower than simple spin lock unless reader holds > for a long time. >