Hi Wouter, Marek's new address is at CZ.NIC. Pinging him, so he can look at the issue.
O. On Tue, May 10, 2011 at 11:47, W.C.A. Wijngaards <[email protected]> wrote: > -----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 > -- Ondřej Surý <[email protected]> _______________________________________________ Unbound-users mailing list [email protected] http://unbound.nlnetlabs.nl/mailman/listinfo/unbound-users
