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Diffstat (limited to 'results/scraper/launchpad-without-comments/965867')
| -rw-r--r-- | results/scraper/launchpad-without-comments/965867 | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/results/scraper/launchpad-without-comments/965867 b/results/scraper/launchpad-without-comments/965867 new file mode 100644 index 000000000..e1b26fb36 --- /dev/null +++ b/results/scraper/launchpad-without-comments/965867 @@ -0,0 +1,48 @@ +9p virtual file system on qemu slow + +Hi, +The 9p virtual file system is slow. Several examples below: +--------------------------------------------------------- +Host for the first time: +$ time ls bam.unsorted/ +........................... +real 0m0.084s +user 0m0.000s +sys 0m0.028s +-------------------------------------------------- +Host second and following: + +real 0m0.009s +user 0m0.000s +sys 0m0.008s +------------------------------------------------------ +VM for the first time: +$ time ls bam.unsorted/ +................................ +real 0m23.141s +user 0m0.064s +sys 0m2.156s +------------------------------------------------------ +VM for the second time +real 0m3.643s +user 0m0.024s +sys 0m0.424s +---------------------------------------------------- + +Copy on host: +$ time cp 5173T.root.bak test.tmp +real 0m30.346s +user 0m0.004s +sys 0m5.324s + +$ ls -lahs test.tmp +2.7G -rw------- 1 oneadmin cloud 2.7G Mar 26 21:47 test.tmp + +--------------------------------------------------- +$ copy on VM for the same file + +time cp 5173T.root.bak test.tmp + +real 5m46.978s +user 0m0.352s +sys 1m38.962s \ No newline at end of file |