voldemort

How does Voldemort compare to Cassandra?

由 风流意气都作罢 提交于 2019-12-31 08:04:17
问题 How does Voldemort compare to Cassandra? I'm not talking about size of community and only want to hear from people who have actually used both. Especially I'm interested in: How they dynamically scale when adding and removing nodes Query performance How they scale when adding nodes (linear)? Write speed 回答1: Voldemort's support for adding nodes was just added recently (this month). So I would expect Cassandra's to be more robust given the longer time to cook and a larger community testing.

JSON Serializer for arbitrary HashMaps in Voldemort

由 烂漫一生 提交于 2019-12-23 19:27:24
问题 I am trying to set up the configuration for Voldemort key-value store. Now, I'd like to be able to store arbitrary hashmaps in it, but I haven't found the way to do so (or if it is possible). According to the documentation I should use this syntax: {"fname":"string", "lname":"string", "id":"int32", "emails":["string"]} To indicate that I want to store a HashMap representation of a Java bean, but with constraints on allowed keys (only fname , lname , id and emails ) and their types. What I

How does Voldemort compare to Cassandra?

由 我是研究僧i 提交于 2019-12-02 14:38:00
How does Voldemort compare to Cassandra ? I'm not talking about size of community and only want to hear from people who have actually used both. Especially I'm interested in: How they dynamically scale when adding and removing nodes Query performance How they scale when adding nodes (linear)? Write speed Voldemort's support for adding nodes was just added recently (this month). So I would expect Cassandra's to be more robust given the longer time to cook and a larger community testing. Both are fast (> 10k ops/s per machine). Because of their storage designs, I would expect Cassandra to be
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