Agreed, I'll take a look and see why that is happening. >From looking at the code I can see where it is happening, I just need to find >out if there was a reason for it. The default value for io_key_prefetch is >zero, which is what is causing the flush to happen:
http://docs.libmemcached.org/memcached_behavior.html?highlight=memcached_behavior_io_key_prefetch#MEMCACHED_BEHAVIOR_IO_KEY_PREFETCH It would be interesting to see what would happen if the original reporter of this issue modified that value upward. Cheers, -Brian On Feb 19, 2013, at 12:28 PM, dormando <[email protected]> wrote: > > > On Tue, 19 Feb 2013, Trond Norbye wrote: > >> Its been a while since I looked at that code but if my memory is correct >> we're using the "quiet' mode of the get requests so that it won't send "not >> found" results. The noop is then used as an internal marker so that you know >> on the receiving side that you've >> received all of the responses from the server.. >> But I might remember this wrong.. after all its been a few years since I >> last looked at the code. >> >> Trond >> >> >> >> On Tue, Feb 19, 2013 at 5:07 PM, Brian Aker <[email protected]> wrote: >> Hi, >> >> On Feb 19, 2013, at 12:14 AM, dormando <[email protected]> wrote: >> >>> Both keys go out okay, but the no-op at the end seems to go out in a >>> separate packet. I've noticed this on several installs using libmemcached, >>> verified with tcpdump/etc. >> >> I didn't write this part of the binary code, Trond did. I am not sure why >> the NOOP is required. I would think that a simple flush of the buffer would >> be fine. >> >> Cheers, >> -Brian >> >> >> >> >> -- >> Trond Norbye >> >> -- >> >> --- >> You received this message because you are subscribed to the Google Groups >> "memcached" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> For more options, visit https://groups.google.com/groups/opt_out. >> >> >> >> > -- --- You received this message because you are subscribed to the Google Groups "memcached" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
