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https://issues.apache.org/jira/browse/CASSANDRA-20715?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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David Capwell updated CASSANDRA-20715:
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Description:
Topology object represents all tables -> ranges -> nodes that accord needs to
care about, but there is a big problem; there is a lot of duplication.
Each TokenRange repeats TableId
Tables with the same replication factor have the same ranges
Shard has views for fast path and joining nodes
All these duplicate values add up bloating the serialization format
In testing these are the results I am seeing
{code}
min: tables=2, ranges=927 By 43.47%, partitioner: Murmur3Partitioner
max: tables=10, ranges=48 By 67.16%, partitioner: RandomPartitioner
{code}
was:
Topology object represents all tables -> ranges -> nodes that accord needs to
care about, but there is a big problem; there is a lot of duplication.
Each TokenRange repeats TableId
Tables with the same replication factor have the same ranges
Shard has views for fast path and joining nodes
All these duplicate values add up bloating the serialization format
> Accord: Topology serializer has a lot of repeated data, can dedup to shrink
> the cost
> ------------------------------------------------------------------------------------
>
> Key: CASSANDRA-20715
> URL: https://issues.apache.org/jira/browse/CASSANDRA-20715
> Project: Apache Cassandra
> Issue Type: Improvement
> Components: Accord
> Reporter: David Capwell
> Assignee: David Capwell
> Priority: Normal
> Fix For: 5.x
>
>
> Topology object represents all tables -> ranges -> nodes that accord needs to
> care about, but there is a big problem; there is a lot of duplication.
> Each TokenRange repeats TableId
> Tables with the same replication factor have the same ranges
> Shard has views for fast path and joining nodes
> All these duplicate values add up bloating the serialization format
> In testing these are the results I am seeing
> {code}
> min: tables=2, ranges=927 By 43.47%, partitioner: Murmur3Partitioner
> max: tables=10, ranges=48 By 67.16%, partitioner: RandomPartitioner
> {code}
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