Disable symlinks and rename support by default (3505bc9d) · Commits · hpc / gekkofs

CMakeLists.txt

+6 −4

Original line number	Diff line number	Diff line
		@@ -147,16 +147,18 @@ endif()
		option(CREATE_CHECK_PARENTS "Check parent directory existance before creating child node" ON)
		message(STATUS "[gekkofs] Create checks parents: ${CREATE_CHECK_PARENTS}")

		option(SYMLINK_SUPPORT "Compile with support for symlinks" ON)
		option(SYMLINK_SUPPORT "Compile with support for symlinks" OFF)
		if (SYMLINK_SUPPORT)
		add_definitions(-DHAS_SYMLINKS)
		endif ()
		message(STATUS "[gekkofs] Symlink support: ${SYMLINK_SUPPORT}")

		option(RENAME_SUPPORT "Compile with support for rename ops" ON)
		option(RENAME_SUPPORT "Compile with support for rename ops" OFF)
		if (RENAME_SUPPORT)
		# Rename depends on symlink support
		add_definitions(-DHAS_SYMLINKS)
		set(SYMLINK_SUPPORT ON)
		add_definitions(-DHAS_RENAME)
		endif ()
		message(STATUS "[gekkofs] Symlink support: ${SYMLINK_SUPPORT}")
		message(STATUS "[gekkofs] Rename support: ${RENAME_SUPPORT}")

		set(MAX_INTERNAL_FDS 256 CACHE STRING "Number of file descriptors reserved for internal use")

+11 −6

Original line number	Diff line number	Diff line
		@@ -270,7 +270,7 @@ Then, the `examples/distributors/guided/generate.py` scrpt is used to create the

		Finally, modify `guided_config.txt` to your distribution requirements.

		### Metadata Backends
		## Metadata Backends

		There are two different metadata backends in GekkoFS. The default one uses `rocksdb`, however an alternative based
		on `PARALLAX` from `FORTH`
		@@ -279,7 +279,7 @@ with `-DGKFS_ENABLE_ROCKSDB:BOOL=OFF`.

		Once it is enabled, `--dbbackend` option will be functional.

		### Statistics
		## Statistics

		GekkoFS daemons are able to output general operations (`--enable-collection`) and data chunk
		statistics (`--enable-chunkstats`) to a specified output file via `--output-stats <FILE>`. Prometheus can also be used
		@@ -287,12 +287,17 @@ instead or in addition to the output file. It must be enabled at compile time vi
		argument `-DGKFS_ENABLE_PROMETHEUS` and the daemon argument `--enable-prometheus`. The corresponding statistics are then
		pushed to the Prometheus instance.

		## Advanced experimental features

		### Rename

		`-DRENAME_SUPPORT` allows the application to rename files.
		This is an experimental feature, and some scenarios may not work properly.
		Support for fstat in renamed files is included.

		### Acknowledgment
		This is disabled by default.

		## Acknowledgment

		This software was partially supported by the EC H2020 funded NEXTGenIO project (Project ID: 671951, www.nextgenio.eu).