https://github.com/marianoguerra/sblob

blobs, stream of blobs
https://github.com/marianoguerra/sblob

Last synced: about 1 month ago
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blobs, stream of blobs

• Host: GitHub
• URL: https://github.com/marianoguerra/sblob
• Owner: marianoguerra
• Created: 2014-08-28T09:09:59.000Z (about 10 years ago)
• Default Branch: master
• Last Pushed: 2016-03-10T16:08:36.000Z (over 8 years ago)
• Last Synced: 2023-04-21T08:16:33.037Z (over 1 year ago)
• Language: Erlang
• Size: 1.01 MB
• Stars: 0
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.rst

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README

        
Sblob

=====

Indexes

-------

sblob

.....

Index: Seqnum

Value: Offset

The usage of the index for sblobs is: given a seqnum I want give me the offset

in the file, for this it looks at the closest seqnum (array index) that has the

offset defined (array value), then it reads until the required seqnum filling

the index along the way and then it reads the required sblob.

The index transversal is, I start from the seqnum I want and check if the value

is set, if not I go backwards until I find it or I get to the first array

index, if not found return the atom notfound which will cause all sblobs from

the beginning of the file to be read, filling the index along the way.

In this case closest means closest lower or equal seqnum.

gblob

.....

Index: Chunk Number

Value: Start Seqnum

The usage of the index for gblobs is: given a seqnum I want to start reading

from, give me the file chunk number where it's located so I can start reading

from there, for this it looks at the values of the array from left to right

until it finds the closest seqnum (array value) and returns the chunk number

(array index).

In this case closest means closest lower or equal seqnum.

Testing

-------

to run all tests:

::

    make eunit

to test one module::

    ./rebar eunit suites=gblob_tests skip_deps=true