From: Andrew Morgan Date: October 4 2012 4:38pm Subject: RE: Problem with memcached List-Archive: http://lists.mysql.com/cluster/8413 Message-Id: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Try running another mysqld process from the node that you're running memcac= hed from. By default, I believe that the memcached plug-in uses 2 API conne= ctions to the cluster and so from your ndb_mgm output you should have enoug= h. Andrew. > -----Original Message----- > From: Maxime Th=E9bault [mailto:webmaster@stripped] > Sent: 04 October 2012 17:36 > To: cluster@stripped > Subject: Re: Problem with memcached >=20 > I have a result with good value. >=20 > I try to search variable for set limit of use for a node but i cant find = it! (i see it > on mysql website but impossible to refind!) >=20 > I'd try increasing the number of connections per node as possible. >=20 > Thank Andrew. >=20 > Le 04/10/2012 18:32, Andrew Morgan a =E9crit : > > Hi Maxime, > > > > Try running "ndb_mgm -c 37.59.48.15:1186 -e show" from the same host > that you're running memcached from to see if you get the same response. > > > > Regards, Andrew. > > > >> -----Original Message----- > >> From: Maxime Th=E9bault [mailto:webmaster@stripped] > >> Sent: 04 October 2012 17:22 > >> To: cluster@stripped > >> Subject: Re: Problem with memcached > >> > >> Thanks for your answer ! > >> > >> I check in my ndb_1_cluster.log and i have this line : > >> 2012-10-04 18:10:39 [MgmtSrvr] WARNING -- Failed to allocate nodeid > >> for API at 2.2.2.2. Returned eror: 'No free node id found for mysqld(A= PI).' > >> 2012-10-04 18:10:42 [MgmtSrvr] WARNING -- Failed to allocate nodeid > >> for API at 2.2.2.2. Returned eror: 'No free node id found for mysqld(A= PI).' > >> > >> > >> But when i run on my manager ndb_mgm -e show i have this : > >> > >> ndb_mgm> show > >> Connected to Management Server at: localhost:1186 Cluster > >> Configuration > >> --------------------- > >> [ndbd(NDB)] 2 node(s) > >> id=3D3 @1.1.1.1 (mysql-5.5.22 ndb-7.2.6, Nodegroup: 0) > >> id=3D4 @2.2.2.2 (mysql-5.5.22 ndb-7.2.6, Nodegroup: 0, Master) > >> > >> [ndb_mgmd(MGM)] 2 node(s) > >> id=3D1 @3.3.3.3 (mysql-5.5.22 ndb-7.2.6) > >> id=3D2 @4.4.4.4 (mysql-5.5.22 ndb-7.2.6) > >> > >> [mysqld(API)] 14 node(s) > >> id=3D5 @2.2.2.2 (mysql-5.5.22 ndb-7.2.6) > >> id=3D6 @1.1.1.1 (mysql-5.5.22 ndb-7.2.6) > >> id=3D7 (not connected, accepting connect from any host) > >> id=3D8 (not connected, accepting connect from any host) > >> id=3D9 (not connected, accepting connect from any host) > >> id=3D10 (not connected, accepting connect from any host) > >> id=3D11 (not connected, accepting connect from any host) > >> id=3D12 (not connected, accepting connect from any host) > >> id=3D13 (not connected, accepting connect from any host) > >> id=3D14 (not connected, accepting connect from any host) > >> id=3D15 (not connected, accepting connect from any host) > >> id=3D16 (not connected, accepting connect from any host) > >> id=3D17 (not connected, accepting connect from any host) > >> id=3D18 (not connected, accepting connect from any host) > >> > >> Twelve free nodes... I have 14 empty [MYSQLD] in my manager config fil= e. > >> I must specific option in this sections ? > >> > >> Maxime > >> > >> Le 04/10/2012 18:02, Andrew Morgan a =E9crit : > >>> Hi Maxime, could you please check the Cluster log (it should be > >>> located > >> with the ndb_mgmd) to see if there's evidence of the memcached trying > >> to connect? Otherwise, double check that the connect string is for > >> the correct host and port for the ndb_mgmd and that there are no > >> firewall rules that would block communication between these hosts. > >>> Regards, Andrew. > >>> > >>> Andrew Morgan | MySQL Principal Product Manager > >>> Mobile: +447833483595 > >>> Web: www.clusterdb.com > >>> United Kingdom > >>> > >>> ORACLE Corporation UK Ltd is a company incorporated in England & > >>> Wales > >>> | Company Reg. No. 1782505 | Reg. office: Oracle Parkway, Thames > >>> Valley Park, Reading RG6 1RA > >>> > >>>> -----Original Message----- > >>>> From: Maxime Th=E9bault [mailto:webmaster@stripped] > >>>> Sent: 04 October 2012 09:56 > >>>> To: cluster@stripped > >>>> Subject: Problem with memcached > >>>> > >>>> Hello, > >>>> > >>>> I try to configure memcached on my mysql cluster but i have an error= . > >>>> > >>>> Result of ndb_mgm -e show : > >>>> ndb_mgm -e show > >>>> Connected to Management Server at: 3.3.3.3:1186 Cluster > >>>> Configuration > >>>> --------------------- > >>>> [ndbd(NDB)] 2 node(s) > >>>> id=3D3 @1.1.1.1 (mysql-5.5.22 ndb-7.2.6, Nodegroup: 0) > >>>> id=3D4 @2.2.2.2 (mysql-5.5.22 ndb-7.2.6, Nodegroup: 0, Master) > >>>> > >>>> [ndb_mgmd(MGM)] 2 node(s) > >>>> id=3D1 @3.3.3.3 (mysql-5.5.22 ndb-7.2.6) > >>>> id=3D2 @4.4.4.4 (mysql-5.5.22 ndb-7.2.6) > >>>> > >>>> [mysqld(API)] 14 node(s) > >>>> id=3D5 @2.2.2.2 (mysql-5.5.22 ndb-7.2.6) > >>>> id=3D6 @1.1.1.1 (mysql-5.5.22 ndb-7.2.6) > >>>> id=3D7 (not connected, accepting connect from any host) > >>>> id=3D8 (not connected, accepting connect from any host) > >>>> id=3D9 (not connected, accepting connect from any host) > >>>> id=3D10 (not connected, accepting connect from any host) > >>>> id=3D11 (not connected, accepting connect from any host) > >>>> id=3D12 (not connected, accepting connect from any host) > >>>> id=3D13 (not connected, accepting connect from any host) > >>>> id=3D14 (not connected, accepting connect from any host) > >>>> id=3D15 (not connected, accepting connect from any host) > >>>> id=3D16 (not connected, accepting connect from any host) > >>>> id=3D17 (not connected, accepting connect from any host) > >>>> id=3D18 (not connected, accepting connect from any host) > >>>> > >>>> But when i execute the command from 1.1.1.1 (api node) : > >>>> memcached -E /usr/local/mysql/lib/ndb_engine.so -u mysql -e > >>>> "connectstring=3D3.3.3.3:1186;role=3Ddb-only;debug=3Dtrue" -vv -c 20 > >>>> (3.3.3.3 is the manager) > >>>> > >>>> The result is : > >>>> > >>>> main --> ndb_initialize() > >>>> main --> connect_to_primary_cluster() > >>>> 04-Oct-2012 10:54:42 CEST NDB Memcache 5.5.22-ndb-7.2.6 started > >>>> [NDB 7.2.6; MySQL 5.5.22] Contacting primary management server > >>>> (37.59.48.15:1186) ... > >>>> main --> ClusterConnectionPool::connect() FAILED. > >>>> Could not connect to NDB. Shutting down. > >>>> main --> ndb_destroy() > >>>> Failed to initialize instance. Error code: 255 > >>>> > >>>> I try with localhost, without connectstring... > >>>> > >>>> Can you help me ? > >>>> > >>>> Many thanks ! > >>>> > >>>> > >>>> > >>>> > >>>> -- > >>>> MySQL Cluster Mailing List > >>>> For list archives: http://lists.mysql.com/cluster > >>>> To unsubscribe: http://lists.mysql.com/cluster > >>>> > >>> > >>> > >> > >> -- > >> MySQL Cluster Mailing List > >> For list archives: http://lists.mysql.com/cluster > >> To unsubscribe: http://lists.mysql.com/cluster > >> > > > > > > >=20 >=20 > -- > MySQL Cluster Mailing List > For list archives: http://lists.mysql.com/cluster > To unsubscribe: http://lists.mysql.com/cluster >=20