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多选题 :  在 Solr 建立索引时，下面哪些代码片段可以显著提升建立索引性能?

（A）lbClient.setRequestWriter(newBinaryRequestWriter());

（B）if(updateRequest.getDocumentsMap().size()>=10000){cloudSolrClient.request(updateRequest,collName);updateRequest.clear();}

（C）.if(updateRequest.getDocuments().size()>=1000){cloudSolrClient.request(updateRequest,collName);updateRequest.clear();}

（D）SolrlnputDocumentdoc=newSolrlnputDocument();doc.addField(“id”,i.toString());doc.addField(“name”,”张三”+i);doc.addField(“features”,”test”+);doc.addField(“price”,(float)i*1.01);cloudSolrClient.add(doc);cloudSolrClient.commit();