问题
Is it possible to run multiple solr requests in a batch? I would like to run multiple queries at once and get all the results in one request.
回答1:
Query batching is a pending issue. You can do the following (in descending order of usefulness):
- Implement the feature and submit it as a patch to the aforementioned JIRA issue.
- Collaborate with other people interested in this feature, by posting a suggestion to the aforementioned JIRA issue.
- Implement concurrent querying client-side (i.e. without any kind of support from Solr).
- Vote/watch the aforementioned JIRA issue.
回答2:
I am not sure if you are still looking for this feature. If you are, you could checkout the patch I submitted recently.
https://issues.apache.org/jira/browse/SOLR-1093
We have been using it in our production servers and it has been running fine for more than a month now.
回答3:
not sure you can do that. You can only run one query at a time. If you want to run many queries at the same time, you can multithread your queries
回答4:
I did a fix on Karthick's solution. If multi queries were sent, the resulting json would be invalid, since it'd have two or more "response" keys. In this patch, each response has an identifier of the corresponding query. Eg.: { "1.response" : ..., "2.response" : ... }
Notice: The patch should be applied with patch -p1 and it was done from lucene 5.3
来源：https://stackoverflow.com/questions/6152524/how-do-i-run-multiple-requests-in-a-batch