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Shard aware connections v2 #8

Merged
merged 3 commits into from
Nov 3, 2020
Merged

Shard aware connections v2 #8

merged 3 commits into from
Nov 3, 2020

Commits on Nov 3, 2020

  1. rpc/server: made load balancing algorithm configurable 

    Seastar support different load balancing algorithms that determine which
shard will handle incoming connection. Added configuration option to
rpc::server allowing to configure the listener load balancing algorithm.

Signed-off-by: Michal Maslanka <[email protected]>
    @mmaslankaprv
    mmaslankaprv committed Nov 3, 2020
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  2. rpc/connection_cache: made shard assignment depend on current node_id 

    Added current node_id shift to outgoing connections shard assignment.
In order to make sure that connections to the same node created on
different nodes are assigned to different shards added node_id based
offset to connections shard assignment. This approach is required to
make use of deterministic incoming connection to shard assignment on the
target node. If there would be no shift all connections to given node
would be handled on the same set of shards.

Signed-off-by: Michal Maslanka <[email protected]>
    @mmaslankaprv
    mmaslankaprv committed Nov 3, 2020
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  3. redpanda/application: using port based shard connections assignment 

    Using port based shard connection assignment in RPC server. This makes
incoming connection shard assignment deterministic.

Signed-off-by: Michal Maslanka <[email protected]>
    @mmaslankaprv
    mmaslankaprv committed Nov 3, 2020
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