在Elasticsearch中无法新增分析器或修改已有字段，因此需变更时，必须新建一个配置好的索引，再将原数据迁移至新索引，以确保映射和分析设置正确生效。 23、 采用scan scroll实现数据批量读取，结合bulk API进行批量索引，是一种高效的数据处理方式。后续可进一步完善具体实现细节。就先到这里！

Unsecured Elasticsearch and MongoDB databases have been targeted in hacking attacks that erase all data. There are no ransom demands. These are being called Meow Attacks because they leave a telltale ...

SAN FRANCISCO--(BUSINESS WIRE)--Elastic (NYSE: ESTC), the Search AI Company, announced new performance and cost-efficiency breakthroughs with two significant enhancements to its vector search. Users ...