Commit 53b47a6d authored by Philip Carns's avatar Philip Carns
Browse files

update documenation re: Lustre file alignment

git-svn-id: 3b7491f3-a168-0410-bf4b-c445ed680a29
parent a88fc709
......@@ -209,7 +209,9 @@ question, such a `read()`, `pread()`, and `readv()` for CP_POSIX_READS.
| CP_MEM_NOT_ALIGNED | Number of times that a read or write was not aligned in memory
| CP_MEM_ALIGNMENT | Memory alignment value (chosen at compile time)
| CP_FILE_NOT_ALIGNED | Number of times that a read or write was not aligned in file
| CP_FILE_ALIGNMENT | File alignment value (detected at run time)
| CP_FILE_ALIGNMENT | File alignment value. This value is detected at
runtime on most file systems. On Lustre, however, Darshan assumes a default
value of 1 MiB for optimal file alignment.
| CP_MAX_READ_TIME_SIZE | Size of the slowest POSIX read operation
| CP_MAX_WRITE_TIME_SIZE | Size of the slowest POSIX write operation
| CP_SIZE_READ_* | Histogram of read access sizes at POSIX level
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment