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    • Type: Sub-task
    • Status: Closed
    • Priority: Major
    • Resolution: Duplicate
    • Affects Version/s: None
    • Fix Version/s: None
    • Component/s: clients - java
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      Description

      Hi,all.
      some days ago,I put a question that "why it gets slower while keep on increasing the start value accross distributed search ?".
      And one reply by Shalin Shekhar Mangar was "distributed search fetches start+rows documents from each shard in order to correctly merge the results".
      After this I read the source code,and I found query across distributed search would be separated into nshards' query.
      Each shard query will be excute as follows:
      1.get ids of matched documents into DocList //take little time
      2.get all documents by id which result in step 1. //take little time
      3.write all the documents found to binary string
      4.parse the binary string back to SolrDocumentList // step 4 take almost all the time used
      From above,I propose :It is not necessary to execute step 3 and step 4 even step 2,the ids found is enough to merge results,isn't it?

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              • Assignee:
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                Reporter:
                johnsoncr johnson.hong
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