By annotating the for loop at osc.util.rpmquery:85 I was able to determine that only a select few of the headers are causing a problem. Of the 63 headers, these 9 are above a second in parsing: Header 23 Tag 1035 (RPMTAG_FILEMD5S) Elapsed 0:03:10.620126 Header 24 Tag 1036 (RPMTAG_FILELINKTOS) Elapsed 0:01:55.322508 Header 26 Tag 1039 (RPMTAG_FILEUSERNAME) Elapsed 0:01:52.061127 Header 27 Tag 1040 (RPMTAG_FILEGROUPNAME) Elapsed 0:01:44.157788 Header 36 Tag 1081 (RPMTAG_CHANGELOGNAME) Elapsed 0:00:08.699440 Header 37 Tag 1082 (RPMTAG_CHANGELOGTEXT) Elapsed 0:00:38.645766 Header 44 Tag 1097 (RPMTAG_FILELANGS) Elapsed 0:00:39.853684 Header 51 Tag 1117 (RPMTAG_BASENAMES) Elapsed 0:00:39.473591 Header 52 Tag 1118 (RPMTAG_DIRNAMES) Elapsed 0:00:15.796838 On Mon, 2010-01-11 at 09:30 -0600, Luke Imhoff wrote:
Yes, but it didn't do this before. The old implemention (0.119) could handle kernel-source without spiking.
On Mon, 2010-01-11 at 09:26 -0600, Petit Eric wrote:
i guess, the kernel-source are a big size, no ?
2010/1/11 Luke Imhoff
: I've been testing out 0.123 before we deploy it internally and I've noticed a problem when kernel-source is downloaded from our internal server: Once the download reaches 100%, osc freezes and top reports it sitting at near 100% of the cpu. I've narrowed this down to something PackageQuery is doing when reading the rpm.part file for rpm fields (osc/fetch.py:96). Is this performance issue a known bug?
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