-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi Alexander,
On 04/11/2011 08:10 PM, Alexander Case wrote: > Hello, > > When writing a python module for unbound my module appeared to be > leaking memory. It uses unbound 1.4.9 and swig 1.3.40. I've isolated the > problem to one line that accesses > "qstate.return_msg.rep.rrsets[i].rk.type_str". > > As a test I modified the dict.py example file to contain the offending > line and also > added the range 2000 loop to exacerbate the problem, causing a few > megabytes of > ram to be consumed every second or so. > > Below is the small addition I made to dict.py to illustrate the issue, > > elif event == MODULE_EVENT_MODDONE: #the iterator has finished > if qstate.return_msg and qstate.return_msg.rep: > for i in range(0, 2000): > for i in range(0,qstate.return_msg.rep.rrset_count): > s = qstate.return_msg.rep.rrsets[i].rk.type_str > #we don't need modify result > qstate.ext_state[id] = MODULE_FINISHED > return True > > > I tried setting s to a static string as well as qstate.return_msg.rep and > memory usage remained constant with no leak. This is on a server that is > getting 20-30qps. > > Could this be a problem in unbound or swig? Is there something I should do > differently? Probably in the pythonmod/interface.i definitions. The ldns type2str call there. You could attempt to contact the original authors of the python module, pythonmod/LICENSE names them, Zdenek Vasicek and Marek Vavrusa (and has their email addresses). Best regards, Wouter -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org/ iQIcBAEBAgAGBQJNyQm7AAoJEJ9vHC1+BF+NlXMP/jbswXbP3sT44ds8gR7pYhrg 5TLuaZFIGO/3DbtS5qabWmplcf0HE0ZuO8bkyR90uaN0HJ6drqTHxREiK1VRX/m0 stK48L85tZc8ng+yzQp/oEkKZ6FTXPEpw9ZEfTYKebs5OB3cFI5leL91D9q+YIUZ 6RDvFqhoHXftBIb6mOaffz24QNyZ9S+H+c2pbYXRhFUrG1rYy5JR8cV7nDWtz0wf UhrmL/x5+asjOUwqJcP1yY4MWSyfZ5oluT87nSj3Pb9L3SepMQO4rBrqX2K4WgKt Wo4MKIRRVi1HEJAQhjMDDN10Hvn+qLJTS7hCckj6NpumFYcIHXb1//BbL1fi4KKd ZlsAUD0VOHiQsHV7V1zWJGvTMRO/aS4n9ucOf5wCf5L46JPJgDRAk4z+umM4s6jR D7l7FPnuLvwxC9mZ3wn+Lzl8lv5+M/f53S+YogyoM++71pBM04/4oshq3svk+krT ZR+nQUlmzI7P/YR0JdTBiagJTF8zLT3EBgIXXBcBCeELlznVCL8cE+yX9FS+lVoK abLV/0wCVBpnq7SpSvBcknxID+2A4qQJToucu1CKkc3aSz4+xTnTiifz17y/OXhL VYiDaVge8Ss/lBdHC+B/PHxu+yaUAG/bhFr3ses29+k9Ph/iyQOzRyQ8imLO0NUn +j31nxw/RoVp+8kD+Z3V =MuTQ -----END PGP SIGNATURE----- _______________________________________________ Unbound-users mailing list [email protected] http://unbound.nlnetlabs.nl/mailman/listinfo/unbound-users
