Couchbase Questions: Couchbase Server

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couchbase-user's picture
Asked 6 months 2 weeks ago

functionality inside Reduce function!

Hi there,

I'm trying to write a Reduce function that does some operations on the values retrieved from MAP function.
For this I need to loop through the values and add some characters in between the results, something like:

function (keys,values){
var ss='[';

stelios p's picture
Asked 6 months 2 weeks ago
Latest activity 6 months 1 week ago

How to get a value, from bucket, using the REST API

Can someone provide an example, of how someone using a REST tool, for example Rest console, of postman, could retrieve a value stored in a bucket, by providing key,bucket credentials,or/and server credentials?
thanks in advance

ksnyde's picture
Asked 6 months 2 weeks ago
Latest activity 6 months 2 weeks ago

PageFaults, Connections, and very high level of Network Timeouts!

I have a couchbase installation in development (OSX, PHP libcouchbase, and Couchbase 2.01) which works without any issue but my production instance (Ubuntu, PHP libcouchbase, and Couchbase 2.1.1) is having a LOT of problems and I'm hoping I can get a little help on the following:

  1. ...
dramanathan's picture
Asked 6 months 2 weeks ago

Issue with Couchbase installation Need urgent help: Warning: Fake start-stop-daemon called, doing nothing * Failed to start couchbase-server: timed out dpkg: error processing couchbase-server (--install):

I am trying to see to install couchbase as part of building an openstack image.
and I get the following errors when dpkg is run
My system details :

vantage's picture
Asked 6 months 2 weeks ago

Bucket views won't refresh with just 186 records

I'm working on a project with a Couchbase store, and earlier it was working fine but when I added a bunch of items to the project's main Couchbase bucket I ran into problems. The items in the bucket only number 186, but the views associated with this bucket are refusing to refresh.

If I...

parsifal's picture
Asked 6 months 2 weeks ago

Disable server-side moxi

Is there any way to fully disable server-side moxi (by using vBucket-aware client or maybe with client-side moxi)?

shakefu's picture
Asked 6 months 3 weeks ago

On Couchbase 1.8 running as a memcached cluster is it possible for a key to revert to a previous value?

I've had instances of stored keys reverting to (sometimes much) older values, and can't track down where it could be. I'm wondering if it's possible for Couchbase to somehow revert to an earlier revision of a key, (e.g. the way CouchDB had earlier revisions way back when). I use Couchbase as a...

edi_toonimo's picture
Asked 6 months 3 weeks ago
Latest activity 6 months 2 weeks ago

Couchbase Indexing and Rebalancing for 2 weeks


I have a 2 node cluster on XLarge instances in Amazon.
There's a one big bucket of 18M documets - 2K each doc and 60 bytes for the key, 1 replica configured (+replica for indexes).
There are about 3 disk creates per sec, 3 CAS operations per sec, 10 gets per sec.

diffbot's picture
Asked 6 months 3 weeks ago
Latest activity 6 months 3 weeks ago

How do I get the cache hit rate in Couchbase?

Is there anyway to monitor the cache hit rate (# of requests that it finds a document / total # requests) in Couchbase. I didn't see it in the web console and couldn't find any mention of it in the documentation.

buckeye12's picture
Asked 6 months 3 weeks ago
Latest activity 5 months 3 weeks ago

Multi-threaded performance

We have a .net multithreaded client app accessing a single memcache bucket on Couchbase 2.2. Performance does not scale well above 16 threads. The client machine is a 24 (physical) core server with 16gb RAM. The couchbase server has 384gb RAM and 8 physical CPUs. CPU and network utilization...