bloom-filter

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Bloom Filter: How to find k hash functions?

A Bloom Filter needs k hash functions, which return a value between 0 and m (m is the length of the bit array).[详细]

2023-04-09 10:47 分类：问答
Does Cassandra uses Heap memory to store blooms filter ,and how much space does it consumes for 100GB of data?

I come to know that cassandra uses blooms filter for perfor开发者_运维技巧mance ,and it stores these filter data into physical-memory.[详细]

2023-04-07 18:34 分类：问答
Why Does a Bloom Filter Need Multiple Hash Functions?

I don\'t really understand why a bloom filter requires multiple hash functions (say, SHA and MD5). Why not just make a bigger SHA hash, for example, and then break it up into multiple parts and treat[详细]

2023-03-17 16:58 分类：问答
Combining Bloom Filters

I am using bloom filters to check for duplic开发者_开发知识库ated data in a set.However, there is a need to combine the results of two sets of data into a single filter to check for duplication across[详细]

2023-03-08 06:05 分类：问答
When is a Bloom filter useful?

I understand what makes bloom filters an attractive data structure; however, I\'m finding it difficult to really understand when you can use them since you still have to perform the expensive operatio[详细]

2023-03-08 00:02 分类：问答
Bloomfilter and Cassandra = Why used and why hashed several times?

I Read this: http://spyced.blogspot.com/2009/01/all-you-ever-wanted-to-know-about.html My Questions: 1.) Is it correct, that Cassandra only uses the bloom filter, to find out the SST (Sorted String[详细]

2023-03-01 17:10 分类：问答
Bloom Filter Implementation

Using Bloom filter, w开发者_运维问答e will be getting space optimization. The cassandra framework also has an implementation of Bloom Filter. But in detail, how is this space optimization achieved?You[详细]

2023-02-01 17:50 分类：问答
Fast Bloom Filters in C- 64bit Ints, High frequency Initialize/Query/Destroy cyle

I need a bloom filter implementation, for a part of large project. The whole project is in C (and C only! no C++) and unfortunately, I have not been able to find any decent C based bloom filter implem[详细]

2023-01-28 15:32 分类：问答
How to implement a Bloom Filter in PHP?

开发者_Python百科Is there an already cooked php solution?Please see http://pecl.php.net/package/bloomy, an extension that implements Bloom filtering.[详细]

2022-12-23 07:14 分类：问答
Needed an efficient way for search for the following specfic requirement

I have to search a given file name (let say Keyword) in a directorycontai开发者_StackOverflowning files. If there were only few keywords to be searched, I could have used regular search (like creating[详细]

2022-12-11 10:46 分类：问答