F21 System Wide Change: lbzip2 as default bzip2 implementation
mizdebsk at redhat.com
Wed Apr 2 18:18:22 UTC 2014
On 04/02/2014 08:03 PM, Bill Nottingham wrote:
> Jaroslav Reznik (jreznik at redhat.com) said:
>> = Proposed System Wide Change: lbzip2 as default bzip2 implementation =
>> Change owner(s): Mikolaj Izdebski <mizdebsk at redhat.com>
>> This change aims at making lbzip2  default bzip2 implementation used in
>> == Detailed Description ==
>> lbzip2 is an independent implementation of bzip2 compression tool. It provides
>> interface strictly compatible with bzip2, but also adds several new features
>> and improvements, such as:
>> * multi-threaded operation for both compression and decompression, with almost
>> linear scalability,
>> * improved performance, even on single-core systems,
>> * improved extra utilities (bzdiff, bzless, bzip2recover, etc.),
>> * improved compatibility with gzip.
>> lbzip2 is a mature project and it has been used in production for years. It is
>> already packaged for Fedora and it is also available in EPEL.
> A quick check shows lbzip2 doesn't provide a library interface, much less
> one compatible with libbz2. Is that ever intended?
That was once intended (in 2007-2010), but for now I decided to provide
bzip2-compatible commands only. If there is demand I will reconsider
providing a library with bzip2-compatible API/ABI.
> If it's not, saying lbzip2 is the default bzip2 *implementation* may be a
> bit of a stretch. Perhaps s/implementation/command/.
You're right, the title and description may be ambiguous. In this
sentence "bzip2" means bzip2 command.
Software Engineer, Red Hat
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