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1mdk
2010 Aug 12
3
How to track down a latency/timing problem
Hello Lustre Experts
I am trying to solve a problem with very slow "ls" and other big amount
of file operations but good overall read/write rates.
We are running a small cluster of 3 OSSs with 9 OSTs, 1MDS (with SSD
MDT) and currently two clients. All server nodes are centos 5.2 with
lustre 1.8.1 while the clients are centos 5.4 with lustre 1.8.3. All
components are networked with DDR IB. Striping is set to 1 or 2 for
different folders.
From the very beginning of our tests we had rather slow metadat...