ConsistentHashing | Contains the implementation of consistent hashing | Hashing library
kandi X-RAY | ConsistentHashing Summary
kandi X-RAY | ConsistentHashing Summary
Contains the implementation of consistent hashing. Consistent hashing tries to reduce the no of elements that are getting rehashed while a bucket addition/removal happens. There are great documents available on the Internet, I dont want to repeat it here. For newcomers, read Consistent hashing on Wikipedia.
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Top functions reviewed by kandi - BETA
- Creates a consistent hashing function on the ring
- Calculates the distribution of members to sum of members
- Gets the SHA1 hash function
- Creates a BytesToBytes to bytes
- Gets the members of the bucket and locks
- Get the last key in the map
- Gets members
- Gets members for the given bucket
- Calculates the distribution of members
- Calculates the distribution of members to buckets
- Adds a new bucket into the set
- Calculate and apply hash function for the given virtual node
- Attempts to remove a bucket
- Removes a bucket
- Transform a string to bytes
- Add a member
- Removes a member from the set
- Creates a ConsistentHasher
- Gets all buckets and locks
- Returns a list of all members
ConsistentHashing Key Features
ConsistentHashing Examples and Code Snippets
Community Discussions
Trending Discussions on ConsistentHashing
QUESTION
The examples mentioned to create a Consistent hashing exchange in the RabbitMQ Consistent Hasing Github uses Channel to create exchanges :
...ANSWER
Answered 2020-Jul-27 at 14:36Spring AMQP has no mechanism to declare custom exchanges as @Bean
definitions, but you can use a RabbitTemplate
to get a channel to declare it yourself.
QUESTION
I am trying to find a solution where I have AKKA Actor instance containing specific key value pair as instance data. What I need is to be able to update the instance data by targeting it with the key it has. One Actor will have one key and it is unique. I see that consistenthashing will be able to route to specific node containing may be a thousand actors or so but how to deliver to specific actor?
I need to know in java.
...ANSWER
Answered 2017-May-22 at 05:41Consistent hashing doesn't necessarily map consistent hash of the message to an actor in 1-1 relation. It's more many-1 relationship - so a single actor can be a routee for many different (in terms of consistent hash produced) messages. It also has different disadvantages:
- It's pretty weak when it comes to router resizes (as number of actors change, the ranges of hashes they are responsible for also can change, so the same message may be handled by different actor over time)
- It requires constant presence of actor in memory.
For your case, Cluster Sharding is more likely, what you're looking for.
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install ConsistentHashing
You can use ConsistentHashing like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the ConsistentHashing component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .
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