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

CMakeLists.txt

+6 −4

Original line number	Original line	Diff line number	Diff line
	@@ -147,16 +147,18 @@ endif()
	option(CREATE_CHECK_PARENTS "Check parent directory existance before creating child node" ON)		option(CREATE_CHECK_PARENTS "Check parent directory existance before creating child node" ON)
	message(STATUS "[gekkofs] Create checks parents: ${CREATE_CHECK_PARENTS}")		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)		if (SYMLINK_SUPPORT)
	add_definitions(-DHAS_SYMLINKS)		add_definitions(-DHAS_SYMLINKS)
	endif ()		endif ()
	message(STATUS "[gekkofs] Symlink support: ${SYMLINK_SUPPORT}")		option(RENAME_SUPPORT "Compile with support for rename ops" OFF)

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

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

README.md

+11 −6

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

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

	### Statistics		## Statistics

	GekkoFS daemons are able to output general operations (`--enable-collection`) and data chunk		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		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		argument `-DGKFS_ENABLE_PROMETHEUS` and the daemon argument `--enable-prometheus`. The corresponding statistics are then
	pushed to the Prometheus instance.		pushed to the Prometheus instance.

			## Advanced experimental features

	### Rename		### Rename

	`-DRENAME_SUPPORT` allows the application to rename files.		`-DRENAME_SUPPORT` allows the application to rename files.
	This is an experimental feature, and some scenarios may not work properly.		This is an experimental feature, and some scenarios may not work properly.
	Support for fstat in renamed files is included.		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).		This software was partially supported by the EC H2020 funded NEXTGenIO project (Project ID: 671951, www.nextgenio.eu).