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-:orphan:
-
-===============================================
- ceph-syn -- ceph synthetic workload generator
-===============================================
-
-.. program:: ceph-syn
-
-Synopsis
-========
-
-| **ceph-syn** [ -m *monaddr*:*port* ] --syn *command* *...*
-
-
-Description
-===========
-
-**ceph-syn** is a simple synthetic workload generator for the Ceph
-distributed file system. It uses the userspace client library to
-generate simple workloads against a currently running file system. The
-file system need not be mounted via ceph-fuse(8) or the kernel client.
-
-One or more ``--syn`` command arguments specify the particular
-workload, as documented below.
-
-
-Options
-=======
-
-.. option:: -d
-
- Detach from console and daemonize after startup.
-
-.. option:: -c ceph.conf, --conf=ceph.conf
-
- Use *ceph.conf* configuration file instead of the default
- ``/etc/ceph/ceph.conf`` to determine monitor addresses during
- startup.
-
-.. option:: -m monaddress[:port]
-
- Connect to specified monitor (instead of looking through
- ``ceph.conf``).
-
-.. option:: --num_client num
-
- Run num different clients, each in a separate thread.
-
-.. option:: --syn workloadspec
-
- Run the given workload. May be specified as many times as
- needed. Workloads will normally run sequentially.
-
-
-Workloads
-=========
-
-Each workload should be preceded by ``--syn`` on the command
-line. This is not a complete list.
-
-:command:`mknap` *path* *snapname*
- Create a snapshot called *snapname* on *path*.
-
-:command:`rmsnap` *path* *snapname*
- Delete snapshot called *snapname* on *path*.
-
-:command:`rmfile` *path*
- Delete/unlink *path*.
-
-:command:`writefile` *sizeinmb* *blocksize*
- Create a file, named after our client id, that is *sizeinmb* MB by
- writing *blocksize* chunks.
-
-:command:`readfile` *sizeinmb* *blocksize*
- Read file, named after our client id, that is *sizeinmb* MB by
- writing *blocksize* chunks.
-
-:command:`rw` *sizeinmb* *blocksize*
- Write file, then read it back, as above.
-
-:command:`makedirs` *numsubdirs* *numfiles* *depth*
- Create a hierarchy of directories that is *depth* levels deep. Give
- each directory *numsubdirs* subdirectories and *numfiles* files.
-
-:command:`walk`
- Recursively walk the file system (like find).
-
-
-Availability
-============
-
-**ceph-syn** is part of Ceph, a massively scalable, open-source, distributed storage system. Please refer to
-the Ceph documentation at http://ceph.com/docs for more information.
-
-See also
-========
-
-:doc:`ceph <ceph>`\(8),
-:doc:`ceph-fuse <ceph-fuse>`\(8)