Yokozuna inconsistent search results
oleksiyk at gmail.com
Fri Feb 26 10:51:52 EST 2016
Yes, AAE is enabled:
anti_entropy = active
anti_entropy.use_background_manager = on
handoff.use_background_manager = on
anti_entropy.throttle.tier1.mailbox_size = 0
anti_entropy.throttle.tier1.delay = 5ms
anti_entropy.throttle.tier2.mailbox_size = 50
anti_entropy.throttle.tier2.delay = 50ms
anti_entropy.throttle.tier3.mailbox_size = 100
anti_entropy.throttle.tier3.delay = 500ms
anti_entropy.throttle.tier4.mailbox_size = 200
anti_entropy.throttle.tier4.delay = 2000ms
anti_entropy.throttle.tier5.mailbox_size = 500
anti_entropy.throttle.tier5.delay = 5000ms
However the output of "riak-admin search aae-status" looks like this:
On Fri, 26 Feb 2016 at 17:13 Fred Dushin <fdushin at basho.com> wrote:
> I would check the coverage plans that are being used for the different
> queries, which you can usually see in the headers of the resulting
> document. When you run a search query though yokozuna, it will use a
> coverage plan from riak core to find a minimal set of nodes (and
> partitions) to query to get a set of results, and the coverage plan may
> change every few seconds. You might be hitting nodes that have
> inconsistencies or are in need of repair. Do you have AAE enabled?
> > On Feb 26, 2016, at 8:36 AM, Oleksiy Krivoshey <oleksiyk at gmail.com>
> > Hi!
> > Riak 2.1.3
> > Having a stable data set (no documents deleted in months) I'm receiving
> inconsistent search results with Yokozuna. For example first query can
> return num_found: 3000 (correct), the same query repeated in next seconds
> can return 2998, or 2995, then 3000 again. Similar inconsistency happens
> when trying to receive data in pages (using start/rows options): sometimes
> I get the same document twice (in different pages), sometimes some
> documents are missing completely.
> > There are no errors or warning in Yokozuna logs. What should I look for
> in order to debug the problem?
> > Thanks!
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