Yeah sure .I'm going to through php client simulating how memcache works . Thanks for the tip :)
On Friday, 11 October 2013 16:54:10 UTC-4, perrin wrote: > > It's entirely up to the client and all of them do it differently. You > need to look at the client you're using to learn about how it chooses a > server. > > - Perrin > > > On Fri, Oct 11, 2013 at 4:12 PM, SivaRam M <siva...@gmail.com<javascript:> > > wrote: > >> Thanks Perrin for correcting me and for the link. can you guide me where >> can i properly understand how client will find which server it has to send >> the key. >> >> >> On Friday, 11 October 2013 11:36:34 UTC-4, perrin wrote: >> >>> Hi, >>> >>> Are you talking about a client library? The memcached server doesn't >>> know anything about other servers and doesn't dispatch requests. >>> https://code.google.com/p/**memcached/wiki/NewOverview#** >>> Smarts_Half_in_Client,_Half_**in_Server<https://code.google.com/p/memcached/wiki/NewOverview#Smarts_Half_in_Client,_Half_in_Server> >>> >>> - Perrin >>> >>> >>> >>> On Fri, Oct 11, 2013 at 3:12 AM, SivaRam M <siva...@gmail.com> wrote: >>> >>>> HI , >>>> I wanted to know how distributed hashing works and exact workflow >>>> of any of the GET/STORE/DELETE . >>>> I have gone through the code in memcached.c and there is a pool of >>>> connections for requests . I'm finding it tedious to understand. >>>> >>>> - thread.c which calls item_get () which uses a hash functions >>>> from hash.c (I think this is hash returns IP of the server) >>>> - item_get() function again calls do_item_get() from items.c which >>>> calls assoc_find() .( this hash for which bucket the item has to go >>>> ) >>>> >>>> This is what I understood from the material i have gone through . >>>> libevent has a pool of threads and when ever there is a request from >>>> client >>>> it randomly sent to a server A and from there after hashing the request is >>>> sent to proper server B. >>>> >>>> I just want to know what happens in these two functions and when any of >>>> the GET/STORE/DELETE is called how a request is passed to the correct >>>> server where key item is present from client side . Please correct me if >>>> I'm wrong in understanding concepts. >>>> >>>> Thanks >>>> Mothiki >>>> >>>> >>>> -- >>>> >>>> --- >>>> 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 memcached+...@**googlegroups.com. >>>> >>>> For more options, visit >>>> https://groups.google.com/**groups/opt_out<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 memcached+...@googlegroups.com <javascript:>. >> 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 memcached+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
