Commit cbe6a003 authored by Kirill Smelkov's avatar Kirill Smelkov

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parent 25bc3f33
......@@ -4,17 +4,21 @@ Wendelin.core change history
2.0.0 (2018-XX-YY)
------------------
This is a major release that switches to using kernel virtual memory manager.
This is a major release that speeds up pagefault handling and reduces
wendelin.core RAM consumption dramatically:
The project switches to be mainly using kernel virtual memory manager.
Bigfiles are now primarily accessed with plain OS-level mmap to files from
synthetic WCFS filesystem. This removes overhead of handling pagefaults in
userspace and makes bigfile's cache (now it is the kernel's pagecache) to be
shared in between several processes.
Additionally custom coherency protocol is provided, which allows clients
In addition a custom coherency protocol is provided, which allows clients
that want to receive isolation guarantee ("I" from ACID) to still use the shared
cache and at the same time get bigfile view isolated from other's changes.
By default wendelin.core python client provides full ACID semantics as before.
By default wendelin.core python client continues to provide full ACID semantics as
before.
Please see wcfs.go__ for description of the new filesystem.
......
......@@ -218,7 +218,7 @@ def readfile(path):
setup(
name = 'wendelin.core',
version = '0.12',
version = '2.0.0.dev1',
description = 'Out-of-core NumPy arrays',
long_description = '%s\n----\n\n%s' % (
readfile('README.rst'), readfile('CHANGELOG.rst')),
......
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