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| author | Mathias Stearn <mathias@10gen.com> | 2014-10-30 16:45:36 -0400 |
|---|---|---|
| committer | Ramon Fernandez <ramon.fernandez@mongodb.com> | 2015-03-12 17:56:06 -0400 |
| commit | f6debcc8c2884c60a1d694e35089c2950cccb946 (patch) | |
| tree | 43e1d752184a552bbc20c17f070f1623b60b1666 | |
| parent | 6b06804ca2a2d0bb292eb58510eb0f2808e879a4 (diff) | |
| download | mongo-f6debcc8c2884c60a1d694e35089c2950cccb946.tar.gz | |
SERVER-15907 Use ftuncate rather than fallocate on linux tmpfs
This means we don't use any ram for unused portions of files.
(cherry picked from commit a2c27b34b811d73a42ddecab20e9f8cb6348a1a3)
| -rw-r--r-- | src/mongo/util/file_allocator.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/mongo/util/file_allocator.cpp b/src/mongo/util/file_allocator.cpp index b8fb7bf78d9..f476ed25a9a 100644 --- a/src/mongo/util/file_allocator.cpp +++ b/src/mongo/util/file_allocator.cpp @@ -162,8 +162,11 @@ namespace mongo { #if defined(__linux__) // these are from <linux/magic.h> but that isn't available on all systems # define NFS_SUPER_MAGIC 0x6969 +# define TMPFS_MAGIC 0x01021994 - return (fs_stats.f_type == NFS_SUPER_MAGIC); + return (fs_stats.f_type == NFS_SUPER_MAGIC) + || (fs_stats.f_type == TMPFS_MAGIC) + ; #elif defined(__freebsd__) |