Couchbase Questions: Couchbase Server

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buckeye12's picture
Asked 6 months 3 weeks ago
Latest activity 5 months 4 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...

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

Standalone ubuntu installation, filesystem setup for couchbase data.

My purpose is to install couchbase server on a standalone ubuntu server in order to develop a new application.

I didn't find any info on the filesystem type to choose!!??

URGENT: Please advice me on the filesystem type to select/create (ext3/ext4/...) for the bucket data.


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

Question on Clustering overhead. Slow response time with 2 nodes.

I am running series of tests with and with out clustering. i am running an application that application is built on couchbase 2.2. I am running this on RHEL 6.3. With single node I get a average 2 ms response time (this is couch base activity + our application specific logic). For the same load...

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

How to index full json documents from Couchbase to ElasticSearch

I'm using Couchbase to replicate documents to elasticsearch. Now I need to do full search queries in elasticsearch and be able to visualize fields (which i guess not possible with the id & rev fields). As the queries will be done against ElasticSearch and not Couchbase, i need to...

lenx.wei's picture
Asked 6 months 3 weeks ago
Latest activity 6 months 3 weeks ago

how does couchbase distribute the index files?


I want to know more about the distribution architecture of couchbase's views. Are all key/value stored in the same node as their documents? Or, are all key/value pairs shared with the same key stored in a same node (or vBucket)?



lenx.wei's picture
Asked 6 months 3 weeks ago
Latest activity 6 months 3 weeks ago

How to add local javascript function libraries


We need to do murmurhash in map functions of views.

Could we find a common place to put the function instead of putting this long function in every map function?

Thanks and happy new year!



househippo's picture
Asked 7 months 3 days ago

Cli for Working Set back to 100% Active.

There should be a couchbase cli command to force the working set back to 100%(Key+Meta+Value) in memory after a failover node is added back to the cluster and active item are back below the low watermark. Have a setting of slow, medium , or fast on the rate you want the value back in memory.

icex's picture
Asked 7 months 3 days ago
Latest activity 3 months 2 weeks ago

Geospatial support

I have a big project due in 6-12 months and I'm looking for a NoSQL database engine with Geospatial support and also good data consistency. When do you think you will have support for Geospatial indexes? It is currently experimental.

manish's picture
Asked 7 months 4 days ago
Latest activity 7 months 3 days ago

Custom Reduce behaving inconsistently


I am using couchbase version 2.0.1 - enterprise edition (build-170) and java-client version 1.2.2
I have a custom reduce function to get last activity of a user
The response from java client is inconsistent At time I get correct response and most of the time I get null...

sunyq's picture
Asked 7 months 5 days ago

Adding new node(s) into cluster and rebalancing hangs

Added one more node into current cluster and perform the "rebalance" operation.
But the rebalance process is always 0%...
Stop and restart it doesn't work ...
Does anyone can tell me the reason or some tips to resolve this problem?
Thanks a lot !

Here is some...