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add splitShard and mergeShard #12

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add splitShard and mergeShard #12

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17 changes: 17 additions & 0 deletions hstream.proto
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Original file line number Diff line number Diff line change
Expand Up @@ -44,6 +44,8 @@ service HStreamApi {

// Shard APIs
rpc ListShards(ListShardsRequest) returns (ListShardsResponse) {}
rpc SplitShards(SplitShardsRequest) returns (SplitShardsResponse) {}
rpc MergeShards(MergeShardsRequest) returns (MergeShardsResponse) {}

// Subscribe APIs
rpc CreateSubscription(Subscription) returns (Subscription) {}
Expand Down Expand Up @@ -289,6 +291,21 @@ message ListShardsRequest { string streamName = 1; }

message ListShardsResponse { repeated Shard shards = 1; }

message SplitShardsRequest {
string streamName = 1;
bool halfSplit = 2;
string splitKey = 3;
}

message SplitShardsResponse { repeated Shard shards = 1; }

message MergeShardsRequest {
string streamName = 1;
repeated string shardKeys = 2;
}

message MergeShardsResponse { Shard shard = 1; }

message TerminateQueriesRequest {
repeated string queryId = 1;
bool all = 2;
Expand Down