Merge open_exchange with data transport call #128494
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idegtiarenko
added
>non-issue
Team:Analytics
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We started with a single call, but found handling out-of-order exchange requests too complex, so we decided to separate them. |
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This commit: 188b0a78 |
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According to above typical request flow is:
internal:data/read/esql/open_exchange)internal:data/read/esql/exchange)indices:data/read/esql/data)ElasticSearch relies on Netty to make transport as cheap and as performant as possible, but still each transport message has some cost associated with it.
This change:
open_exchangewithdatacall to minimize amount of remote calls required to start a query on the data nodeinternal:data/read/esql/exchangecalls are started after above initialization is done to avoid making calls and receiving empty messages before actual data node computation starts