Couchbase Q&A

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couchpotato's picture
Asked 8 months 5 days ago
Latest activity 8 months 1 day ago

COUNT(DISTINCT keys) using map/reduce?

Is there some way to do the equivalent of a COUNT(DISTINCT keys) using map/reduce?

Basically a Couchbase version of this couchdb one:
http://stackoverflow.com/questions...

Ron Velzeboer's picture
Asked 8 months 5 days ago
Latest activity 8 months 2 days ago

apt-get update fails on 'main/binary-amd64/Packages'

I am trying to install the couchbase client using a chef cookbook (https://github.com/urbandecoder/couchbase) on Vagrant using the following box "...

adonoho's picture
Asked 8 months 5 days ago
Latest activity 8 months 2 days ago

N1QL and existing views.

Gentlefolk,

Currently, N1QL looks like a language exploiting CB views under the hood.

Is it possible to use existing views with N1QL?

As you know, indices are expensive to create and maintain. I would like to try N1QL on my existing databases (230M+ documents, 360+ GB) and...

Zambiorix's picture
Asked 8 months 5 days ago
Latest activity 7 months 3 weeks ago

Couchbase lite xamarin

Hello

I wonder if and when Couchbase lite will be available as Xamarin.touch & android library?

At one point a Windows Phone library will be available? If so, please make it x-platform (it's all C# after all) so it builds on xamarin.touch and xamarin.android..

Any...

jprudent's picture
Asked 8 months 5 days ago
Latest activity 8 months 2 days ago

What is the meaning of curr_items, curr_items_tot and vb_replica_curr_items ?

Hi, I've a 2 nodes cluster with 3 buckets that I'm trying to monitor.

Using /pools/default/buckets I can see for one of the buckets :

nodes": [

{
"interestingStats": {
"curr_items": 37668,
"curr_items_tot":...

dinesh_sling's picture
Asked 8 months 5 days ago
Latest activity 8 months 1 day ago

Couchbase library giving exceptions during load

Hello,

We are using couchbase v2.1.1 community edition for storing about 4 Million documents.

We access it using Couchbase Java library v1.2.2

During high load of around 6000 requests / second, Couchbase library is throwing below mentioned exceptions;

...

lenx.wei's picture
Asked 8 months 5 days ago
Latest activity 8 months 2 days ago

about "full_set" option in query of development view

Hi,

I want to know which documents the set contains with "full_set=false" in a query of development views.
Does it contain all local documents in the queried node, or only a random subset?

If we have an interface to query all local documents in a given node, we can...

simonthorogood's picture
Asked 8 months 6 days ago
Latest activity 7 months 2 weeks ago

Automatic Updates to Map-reduce Views

Hi we are currently testing an application using Map-reduce views and what we are finding is that documents are taking a long time to appear in view results (or even not appearing at all) when we use stale=true in the view query.

Reading this page:

...

michals's picture
Asked 8 months 6 days ago
Latest activity 7 months 3 weeks ago

Failed to connect to couchbase with new client

Hi, I am working with:
spymemcached-2.10.2, couchbase-client-1.2.2, couchbase server 2.1.1
But when I try to create a couchbase client and connect to couchbase through the java code i get this error:
java.lang.IllegalArgumentException: Reconfigurable cannot be null and must...

viove's picture
Asked 8 months 6 days ago
Latest activity 8 months 6 days ago

about couchbase ep-engine on memory management and eventually persistant

I have just read some ep-engine code, any one know and could help to answer couple of questions?:

1.looks there is no garbage collection, since all allocation and deallocation are new/delete items, how could we handle memory fragmentation.

2.ep means eventually engine, but the name...

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