JackTan25
JackTan25
请问有必要使用管网上说的虚拟机吗(而且那个站点好像已经挂了)，我这边是直接用的IDEA，Windows10,JDK8可以吗
就是这个网站 http://beta.saasbook.info/bookware-vm-instructions ，课程主页说让我们在这个链接里面找虚拟机镜像，可是这里打不开了
请问在实现Join操作的时候是在哪里有Join写的那几种方法的测试效率的？？因为那个数据量太小了，不知道作者在实现时是怎么去判断执行效率的？执行后貌似并没有感觉到NLJ，BNLJ，DoubleBlockNestedJoin的执行上从测试时间上看不出差异来？
 请问为什么这里在插入之前就把页写入到硬盘了呢(我觉得应该先把tuple写到新page里再写到硬盘)？？还有向硬盘写入不应该借助BufferPool吗，这里怎么直接用了呢？？
@onderkalaci Hi, thanks this issue, I really need a readme for this, So when to update? I hope I can just add the column store extension into my pg's contrib....
@onderkalaci hi, is there any progress for the doc?
well,I think the problem 4 is very important, I'm using pgvector, but it's not parallel and I can't get good performance, and secondly, I hope pgvector can support diskANN, I...
@ct20000901 you can try this one https://github.com/datafuselabs/databend/issues/12901 firstly. please comment "/assign me" at https://github.com/datafuselabs/databend/issues/12901.
cc @dantengsky I think we need to support it in soon.