文章分类 -  Cassandra

摘要:Cassandra works optimally when the data you need to access is already in memory. Disks are comparatively slow, so when data needs to be read from disk 阅读全文
posted @ 2017-03-02 19:18 princessd8251 阅读(157) 评论(0) 推荐(0) 编辑
摘要:from http://saugereau.github.io/blog/2014/12/cassandra-cache/ Reading path Before detailing the cache working, we have to dig in reading path : First, 阅读全文
posted @ 2017-03-02 16:19 princessd8251 阅读(282) 评论(0) 推荐(0) 编辑
摘要:DataStax Enterprise‘s heavy usage of Cassandra’s innate datacenter concepts are important as they allow multiple workloads to be run across multiple d 阅读全文
posted @ 2017-03-02 00:11 princessd8251 阅读(173) 评论(0) 推荐(0) 编辑
摘要:Increasing the replication factor increases the total number of copies of keyspace data stored in a Cassandra cluster. For more information about repl 阅读全文
posted @ 2017-03-01 23:52 princessd8251 阅读(217) 评论(0) 推荐(0) 编辑
摘要:from http://www.doanduyhai.com/blog/?p=12809 The native secondary index is the less known and most misused feature of Cassandra. In this article we’ll 阅读全文
posted @ 2017-02-28 02:18 princessd8251 阅读(125) 评论(0) 推荐(0) 编辑
摘要:from http://batey.info/cassandra-30-materialised-views-in.html Disclaimer: C* 3.0 is not released yet and all these examples are from a branch that ha 阅读全文
posted @ 2017-02-28 01:12 princessd8251 阅读(139) 评论(0) 推荐(0) 编辑
摘要:from http://thelastpickle.com/blog/2015/10/23/cassandra-stress-and-graphs.html Benchmarking schemas and configuration changes using the cassandra-stre 阅读全文
posted @ 2017-02-27 22:36 princessd8251 阅读(369) 评论(0) 推荐(0) 编辑
摘要:from http://thelastpickle.com/blog/2016/09/21/learn-cassandra-by-example-with-cdm.html Two weeks ago marked another Cassandra summit. As usual I submi 阅读全文
posted @ 2017-02-27 21:36 princessd8251 阅读(160) 评论(0) 推荐(0) 编辑
摘要:Starting in 1.1, Apache Cassandra began exposing its already bountiful internal metrics using the popular Metrics library. The number of metrics has s 阅读全文
posted @ 2017-02-27 17:18 princessd8251 阅读(204) 评论(0) 推荐(0) 编辑
摘要:http://www.datastax.com/dev/blog/virtual-nodes-in-cassandra-1-2 数据是如何放入这些node的呢,每个数据有对应的partition key,根据这个key值会计算出一个token,多个key值根据hash算法得到的token是同一个,假 阅读全文
posted @ 2017-02-22 14:26 princessd8251 阅读(509) 评论(0) 推荐(0) 编辑
摘要:from http://thelastpickle.com/blog/2013/01/11/primary-keys-in-cql.html The final version of CQL 3 that ships with Cassandra v1.2 adds some new feature 阅读全文
posted @ 2017-02-21 11:46 princessd8251 阅读(98) 评论(0) 推荐(0) 编辑
摘要:from http://www.doanduyhai.com/blog/?p=1930 In this blog post, we’ll dig into the brand new materialized view feature of Cassandra 3.0. We’ll see how 阅读全文
posted @ 2017-02-21 02:24 princessd8251 阅读(237) 评论(0) 推荐(0) 编辑
摘要:from http://www.datastax.com/dev/blog/materialized-view-performance-in-cassandra-3-x Materialized views (MV) landed in Cassandra 3.0 to simplify commo 阅读全文
posted @ 2017-02-20 22:53 princessd8251 阅读(193) 评论(0) 推荐(0) 编辑
摘要:from http://blog.csdn.net/luokingfly/article/details/48341705 此文来自 stackoverflow, 有时候自己也搞混, mark 一下: There is a lot of confusion around this, I will t 阅读全文
posted @ 2017-02-20 22:17 princessd8251 阅读(595) 评论(0) 推荐(0) 编辑
摘要:http://wayneshawn.github.io/2015/04/07/Cassandra-get-started/ 在线资源 Cassandra Getting Started 2010-07-15 分布式 Key-Value 存储系统:Cassandra 入门 2015-03-25 Apa 阅读全文
posted @ 2017-02-19 23:21 princessd8251 阅读(380) 评论(0) 推荐(0) 编辑
摘要:from http://rustyrazorblade.com/2016/02/cassandra-secondary-index-preview-1/?utm_source=tuicool&utm_medium=referral If you've looked into using Cassan 阅读全文
posted @ 2017-02-19 22:53 princessd8251 阅读(242) 评论(0) 推荐(0) 编辑
摘要:Basic rules of data modeling in Cassandra involve manually denormalizing data into separate tables based on the queries that will be run against that 阅读全文
posted @ 2017-02-19 21:14 princessd8251 阅读(165) 评论(0) 推荐(0) 编辑
摘要:https://endocode.com/blog/2015/04/08/building-a-stream-processing-pipeline-with-kafka-storm-and-cassandra-part-1-introducing-the-components/ When done 阅读全文
posted @ 2017-02-18 12:22 princessd8251 阅读(167) 评论(0) 推荐(0) 编辑
摘要:http://www.datastax.com/dev/blog/advanced-request-tracing-in-cassandra-1-2 Accessing saved trace data In my first post on request tracing in Cassandra 阅读全文
posted @ 2017-02-18 11:49 princessd8251 阅读(121) 评论(0) 推荐(0) 编辑
摘要:http://www.datastax.com/dev/blog/tracing-in-cassandra-1-2 Cassandra long ago moved beyond its original design of limiting reads to primary key lookups 阅读全文
posted @ 2017-02-18 11:44 princessd8251 阅读(206) 评论(0) 推荐(0) 编辑

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