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Questions tagged [membase]

Membase is a key-value database management system that supports on-the-wire client protocol compatibility with memcached. However unlike memcached it provides disk persistence and data replication.

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NHibernate 2nd Level Cache - Membase MemCache - Multiple Session Factories

I am using multiple databases in a multi-tenant NHibernate application, I was previously using SysCache which worked fine, however I needed to move to Memcache as we are now using a Web Farm. I am actually using Membase server which was very easy to…
Paul Hinett
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How do I insert bulk data into Membase Server 1.6 using some Client Tool

I am using Membase Server 1.6.5-win64. I need to store 400 Million rows from database. Right now, I have a C#.Net windows App which is executing parallel tasks to write to server. What are my best options to bulk load data as quickly as possible…
SiliconCoder
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When transferring data from RDBMS to Couchbase documents .. How should I design my documents?

My question is related to a design issue... So I take as input from the user his couchbase URL, bucket name in which he wants to keep his doucments, Ramquota etc etc ... But when he has multiple tables which he wants to replicate in Couchbase(used…
TommyT
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How Couchbase achieves strong consistency

I searched for an explanation on how Couchbase achieves strong consistency inside a cluster. Is all of this as a result of using membase?
ftraian
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What is the use case of membase as against memcached?

From wikipedia, For those familiar with memcached, Couchbase Server provides on-the-wire client protocol compatibility, but is designed to add disk persistence (with hierarchical storage management), data replication, live cluster reconfiguration,…
Ken Russell
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How can I do spell check with Membase ?

I have a membase server and Have a list of words which is my dictionary. Now I have some words with which i can make spell check. I am not able to come up with some good algorithm. Any idea ?
Arjit
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restrictions for key in Couchbase

I found some info about limitations for document in Couchbase: /thread/key-length - that the maximum length of the key is 250 bytes. But couldn't find any official one. Can someone confirm the maximum length of a key for Couchbase document? What…
Robert Zaremba
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Couchbase (ex. membase) solution to dump all keys in a bucket

I was googling around and found various python + tap solutions that should enable me to dump all keys from a bucket but none of them worked for me. I have a bucket at port 11230 and I need to get a dump of all keys in order to fill them into sphinx…
j99
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where to set VALUE SIZE to more than 20MB in couchbase source code?

This question was asked earlier here But didn't mention in which file and what constant, we need to change this limit. I found few checks in test code but not in source code ep-engine/ep_testsuite.cc: rv = h1->allocate(h, NULL, &it, "key", 3, 20 *…
Balu
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Spymemcache- Memcache/Membase Faileover

Platform: 64 Bit windows OS, spymemcached-2.7.3.jar, J2EE We want to use two memcache/membase servers for caching solution. We want to allocate 1 GB memory to each memcache/membase server so total we can cache 2 GB data. We are using spymemcached…
user989010
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How can I change default Couchbase item size?

I am using the .NET Couchbase Client API that includes Enyim.Caching. I have a DataTable that is approximately 55 megs and it is not getting cached. I understand that there is a "soft" max for the item size of 20 megs. How can I change the default…
DougJones
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How to force Ruby to store a small number as 32 bit integer

I have a .NET client which store some numbers as 32 bit integer in memcached. I can not use that numbers in Ruby client nor I can't store number which could be consumed in .NET.
Jahan Zinedine
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Previous versions of Membase

How do I download previous versions of Membase. I need 1.6.5.x. The downloads page do not have links to previous builds.
Quintin Par
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Is CouchDB a good persistent layer for Membase?

Membase is great for social game due to it's low latency. As I understand CouchDB is a MVCC system using b+ tree, with a focus on append only design. (http://guide.couchdb.org/draft/btree.html) One of the most important scenario of Membase is social…
Yichuan Wang
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Can I use membase as database?

I want to make some product to offer key-value data system. but local memory is limited. so, I try to use membase as database. but membase is cache. i afraid whether the data stored in membase is go away or not. can i use membase as databse ? it is…
Mastojun
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