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3  leofs_clients/README.md
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+Index
+=====
+ - [20140225: Survey s3fs products using fuse](https://github.com/leo-project/notes/tree/master/leofs_clients/survey/fuse/20140225/README.md)
41 leofs_clients/survey/fuse/20140225/README.md
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+Title
+=====
+Survey s3 products using fuse
+
+Products
+=======
+* [s3fs-fuse](https://github.com/s3fs-fuse/s3fs-fuse)
+* [s3fuse](https://code.google.com/p/s3fuse/)
+
+Available commands
+==================
+| Commands | s3fs-fuse | s3fuse |
+| -------- | --------- | ------ |
+| diff | N/A | N/A |
+| find | N/A | N/A |
+| chgrp | N/A | N/A |
+| chmod | N/A | N/A |
+| chown | N/A | N/A |
+| cp | yes | yes |
+| ls | N/A | N/A |
+| ln | N/A | N/A |
+| mkdir | N/A | N/A |
+| mv | N/A | N/A |
+| rm | N/A | N/A |
+| rmdir | N/A | N/A |
+| stat | N/A | N/A |
+| touch | N/A | N/A |
+
+Problems to be solved
+=====================
+* [s3fs-fuse](https://github.com/s3fs-fuse/s3fs-fuse)
+ * Lots of HEAD requests will be invoked after invoking a list_bucket request.
+ * Unnecessary list_bucket requests may be invoked.
+ * The cache data structure is not efficient(array with no index).
+ * Unnecessary global locks will occur when accessing to cache datas.
+ * UrlEncode logic is not efficient.
+ * Reading a response body logic is not efficient due to invoking lots of mallocs
+ * And there are lots of inefficient codes everywhere.
+
+* [s3fuse](https://code.google.com/p/s3fuse/)
+ * N/A

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