I am using the python client api and in some of my runs python was crashing.
My gut reaction was that it was probably some untested corner case (I am doing
millions of insertions) or that the python client was buggy and that I would
eventually just switch over to another client need be.
But I am now wondering if the fault is actually in the riak instance and not
the client. Here's why: the error is now occurring with much higher frequency
(after thousands of insertions instead of millions), but the really suspicious
thing is that independent of the data, the error is reporting a short read of
exactly the same size.
For example, here is the error from the crash.
Traceback (most recent call last):
File "wikipedia.py", line 730, in <module>
main()
File "wikipedia.py", line 715, in main
item.add_link(bucket.get(link), 'link')
File "build/bdist.macosx-10.6-universal/egg/riak/bucket.py", line 245, in get
File "build/bdist.macosx-10.6-universal/egg/riak/riak_object.py", line 290,
in reload
File "build/bdist.macosx-10.6-universal/egg/riak/transports/pbc.py", line
157, in get
File "build/bdist.macosx-10.6-universal/egg/riak/transports/pbc.py", line
349, in recv_msg
File "build/bdist.macosx-10.6-universal/egg/riak/transports/pbc.py", line
399, in recv_pkt
riak.RiakError: 'Socket returned short read 7928 - expected 8192'
I am guessing the 8192 is just an 8K buffer, but the short read of 7928 --
that's the number that keeps popping up. Different data, short read, expected
8192, but got 7928 bytes.
While typing all of the above, it happened again... this time after 1124
writes. And my python code gets restarted each time, so the odds of its
internal structures causing the problems seems low.
Thoughts?
-- GWF
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