Riak returning no objects when an object should exist

Alain Rodriguez alain at uber.com
Wed Jul 2 20:33:47 EDT 2014


Hi all,

We are seeing a situation where reading a key that is known to exist
returns no value. The bucket properties are as follows:

{"props":{"allow_mult":false,"basic_quorum":false,"big_vclock":50,"chash_keyfun":{"mod":"riak_core_util","fun":"chash_std_keyfun"},"dw":"quorum","last_write_wins":true,"linkfun":{"mod":"riak_kv_wm_link_walker","fun":"mapreduce_linkfun"},"n_val":3,"name":"1m","notfound_ok":true,"old_vclock":86400,"postcommit":[],"pr":0,"precommit":[],"pw":0,"r":"quorum","rw":"quorum","small_vclock":50,"w":"quorum","young_vclock":20}}

Most of the times reading the key returns a value, but sometimes it
doesn't. We are running on a 10 node cluster with AAE turned off.

What could be going on here?

Cheers,

Alain
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