hey!!!
Worked fine !
thanks a lot
On Dec 3, 2:50 pm, "Brian Rue" <[EMAIL PROTECTED]> wrote:
> I'm not sure about libmemcached so I can't answer the original question, but
> to get the pecl php client and the python-memcached to work together (that's
> what it looks like you're using), change your python code to this:
> <code>
> import memcache
> import binascii
> m = memcache.Client(['192.168.28.7:11211', '192.168.28.8:11211
> ', '192.168.28.9:11211'])
>
> def php_hash(key):
> return (binascii.crc32(key) >> 16) & 0x7fff
>
> for i in range(30):
> key = 'key' + str(i)
> a = m.get((php_hash(key), key))
> print i, a
> </code>
>
> (this assumes that php is set up with the defaults--standard hashing, crc32)
>
> For whatever reason, the pecl php client doesn't use a straight crc32 and
> instead does what's in the php_hash function above. Calculating the hash
> value yourself in python and passing a tuple of (hash_value, key) to get()
> (or set, delete, etc) does the trick. You could also subclass
> memcache.Client, I suppose.
>
> Hope this helps,
>
> Brian Rue
>
> On Wed, Dec 3, 2008 at 1:35 AM, ruturajv <[EMAIL PROTECTED]> wrote:
>
> > I too faced similar problem, eg
>
> > using.. PHP
>
> > <code>
> > <?php
> > $m = new Memcache;
> > $m->addserver('192.168.28.7, 11211);
> > $m->addserver('192.168.28.8, 11211);
> > $m->addserver('192.168.28.9, 11211);
> > for ($i=0; $i<30; $i++) {
> > $v = $m->set('fkey'.$i, $i);
> > // $va = $m->get('key'.$i);
> > var_dump($va);
> > }
> > </code>
>
> > and I'm unable to retrieve "ALL" keys using this (Python)
>
> > <code>
> > import memcache
> > m = memcache.Client(['192.168.28.7:11211', '192.168.28.8:11211',
> > '192.168.28.9:11211'])
>
> > for i in range(30):
> > a = m.get('key'+str(i))
> > print i, a
>
> > </code>
>
> > On Dec 3, 1:43 pm, "matt farey" <[EMAIL PROTECTED]> wrote:
> > > Sorry for top post, have you looked at using thrift (apache incubator)
> > and memcached together, ala facebook?
>
> > > Sent from my BlackBerry(R) wireless device
>
> > > -----Original Message-----
> > > From: aniketh <[EMAIL PROTECTED]>
>
> > > Date: Wed, 3 Dec 2008 00:12:02
> > > To: memcached<[email protected]>
> > > Subject: using memcached with c and python api
>
> > > hey,
>
> > > i've been trying to use the libmemcached api from c and the python
> > > api
> > > to access memcached.
>
> > > however, i have come across a problem. I am setting values on multiple
> > > servers using c, and attempting to retrieve it using python
>
> > > fetching the keys back in c works fine, but python throws a lot of
> > > "not found". i'm guessing it is something to do with the hash
> > > algorithm. i tried setting it to crc32 in c, but it does not help.
>
> > > any pointers would be appreciated.
>
> > > thanks
>
> > > regards,
> > > aniketh
