Fast iteration of AVRO files
Project description
fastavro
The current Python avro package is packed with features but dog slow.
On a test case of about 10K records, it takes about 14sec to iterate over all of them. In comparison the JAVA avro SDK does it in about 1.9sec.
fastavro is less feature complete than avro, however it’s much faster. It iterates over the same 10K records in 2.9sec, and if you use it with PyPy it’ll do it in 1.5sec (to be fair, the JAVA benchmark is doing some extra JSON encoding/decoding).
Usage
from fastavro import iter_avro
with open('some-file.avro', 'rb') as fo:
avro = iter_avro(fo)
schema = avro.schema
for record in avro:
process_record(record)
Limitations
- Support only iteration
No writing for you!
- Supports only null and deflate codecs
avro also supports snappy
No reader schema
Contact
Miki Tebeka <miki.tebeka@gmail.com> https://bitbucket.org/tebeka/fastavro
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