Couchbase Questions: Couchbase Server

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simonthorogood's picture
Asked 8 months 2 days ago
Latest activity 7 months 1 week 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:


viove's picture
Asked 8 months 2 days ago
Latest activity 8 months 2 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...

Carlos's picture
Asked 8 months 3 days ago
Latest activity 8 months 3 days ago

map reduce on top of bucket's subset

Let's assume that we have a bucket with 100 docs and I want to apply my view on top of a specific well known in advance subset of the bucket. For example let's say that I know the ids of the docs in advance.

What is the best way in order to tackle this?

Thank you in...

abov's picture
Asked 8 months 6 days ago
Latest activity 8 months 4 days ago

MapReduce: grouping and filtering.

I have the following task: got all users from `site` and where timestamp from `X` to `Y` and has events "Proposal start", "Proposal end" also group them by the timestamp.

So I wrote the following map function:

socmag's picture
Asked 8 months 1 week ago
Latest activity 8 months 5 days ago

Cache Misses...


[Couchbase 2.1.1 community edition (build-764) 64bit, Windows]

I have set up a Couchbase server on my local machine, and have a bucket with half a million records, with an average size of approximately 2k. Then I wrote a client app, to test performance.

The data in the...

socmag's picture
Asked 8 months 1 week ago

ISO 8601 Date in Map function


I'm evaluating Couchbase for a job, and experimenting with some things...

I'm trying to write a map/reduce that counts posts by day.

In the document, the created_date is specified in the ISO 8601 format.
(I'm assuming the libv8 that you are using has the ISO 8601...

gurdeeps's picture
Asked 8 months 1 week ago

Couchbase not installing correctly/fails to start

I am installing Couchbase 2.2.0 Enterprise Edition on 64-bit on Windows 7 Professional. The installer says Couchbase server installed successfully. However when I click Finish it tries to launch the admin console in the browser and fails. I have checked the Windows Service and it says Couchbase...

levonio99's picture
Asked 8 months 1 week ago
Latest activity 8 months 3 days ago

Can't seem to retrieve information from couchbase server via curl -u Administrator:password1


Might be a stupid problem but I am new to this so please forgive me. Exactly as the title says, I was trying to change XDCR settings via:

curl -XPOST -u Administrator:[mypassword] \

adonoho's picture
Asked 8 months 1 week ago

Big or Little Endian Byte Order to Create Base64 Keys ...


In Couchbase, the keys are maintained in RAM. Hence, the size of the key is important. At least in my application it is. (I just saved 2.5 bytes per document by changing my keys and saved over 600 MB of RAM.) I want more savings and, hence, wish to compress my key space...

akmartin's picture
Asked 8 months 1 week ago
Latest activity 6 months 3 weeks ago

change data directory for single-node cluster

I need to move my data files to another drive because I'm running out of space. The instructions for changing data directory do not work in this case because it is a single-node cluster and cannot be removed from the cluster. Can I just change the directories in runtime.ini and copy the files to...