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spider
2008 Oct 15
1
Glusterfs performance with large directories
...guration changes of course).
I've included the GlusterFS configuration at the bottom of this e-mail.
Data access and throughput are pretty good (good enough), but calling stat()
on a directory can take extraordinary long. Here is for example a listing
of the .nl top level domain:
vagabond at spider2:~/archive/db/nl$ time ls
0/ 2/ 4/ 6/ 8/ a/ c/ e/ g/ i/ k/ m/ o/ q/ s/ u/ w/ y/
1/ 3/ 5/ 7/ 9/ b/ d/ f/ h/ j/ l/ n/ p/ r/ t/ v/ x/ z/
real 4m28.373s
user 0m0.004s
sys 0m0.000s
The same operation performed directly on the local filesystem of the namespac...