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root / snf-pithos-backend / pithos / backends / lib @ eaaec098

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__init__.py 0 Bytes

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# Date Author Comment
7be22e8d 01/29/2014 04:11 pm Chrysostomos Nanakos

pithos: Use new Archipelago conffile for mapper
876d7486 01/29/2014 04:11 pm Sofia Papagiannaki

pithos: Lazy evaluation of "available" attribute

Whenever the backend tries to access the object's content
checks its database records whether the snapshot map is available or not.
If it is not, it pings Archipelago to check the status of the map.
If the map exists, then it updates the snapshot record in the Pithos...
eaaec098 01/29/2014 04:11 pm Sofia Papagiannaki

pithos: Database migration for "available" attribute.
863d25a5 01/29/2014 04:11 pm Filippos Giannakos

pithos: Close archipelago resource after reading it.

Archipelago implicitly opens a resource after reading the map file. So we should
close it, after successfully reading it.
ba9df843 01/29/2014 04:11 pm Chrysostomos Nanakos

pithos: Use new Archipelago conffile for blocker
f62290bb 01/29/2014 03:53 pm Chrysostomos Nanakos

pithos: pep8 fixes
be433794 01/29/2014 03:53 pm Chrysostomos Nanakos

pithos: Move Xseg Pool initialization

Move Xseg Object Pool initialization to hashfiler module
9b3a95f1 01/29/2014 03:53 pm Chrysostomos Nanakos

pithos: Use new ArchipelagoConfFile constant

Remove BACKEND_ARCHIPELAGO_CONF and use the new ArchipelagoConfFile
introduced in WorkerGlue class.
b20f5e4a 01/29/2014 03:53 pm Chrysostomos Nanakos

pithos: New constants in ModularBackend class

Introduce new constants archipelago_conf_file and xseg_pool_size
in ModularBackend class. The new constant DEFAULT_ARCHIPELAGO_CONF_FILE
is set in the default path '/etc/archipelago/archipelago.conf'.

Create the XSEG Object Pool while initializing ModularBackend class.
e7682feb 01/29/2014 03:52 pm Filippos Giannakos

pithos: Do not put xseg request before map retrieval

During map_retr_archipelago, we should not put the xseg request which fetched
the map data, before actually retrieving them.

The ctypes "from_address" method, does not copy the data where the pointer
points. It simply creates a ctypes instance using the given memory. Ctypes...

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