I have manually unsubscribed many times. But I still get emails from the list. Can some admin please unsubscribe me?
On Mar 9, 2018 9:52 PM, "苗海泉" <mseaspr...@gmail.com> wrote: > hello,We found a problem. In solr 6.0, the indexing speed of solr is > influenced by the number of solr collections. The speed is normal before > the limit is reached. If the limit is reached, the indexing speed will > decrease by 50 times. > > In our environment, there are 49 solr nodes. If each collection has 25 > shards, you can maintain high-speed indexing until the total number of > collections is about 900. To reduce the number of collections to the limit, > the speed will increase. Go up. > If each collection is 49 shards, the total number of collections can only > be about 700, exceeding this value will cause the index to drop > dramatically. > In the explanation, we are single copies, and multiple copies will cause > serious stability problems in the large solr cluster environment. > > At first I suspect that it was due to too many thread submissions, and > there are still problems with this method, so I'm inclined to > searcherExecutor thread pool thread. This is just my guess, I want to know > the real reason. Can someone know if I can help? > > Also, I noticed that the searcherExecutor thread and solr collection's > shards basically correspond to each other. How can I reduce the number of > threads or even close it? Although there are many collections in our > environment, there are few queries and it is not necessary to keep the > threads open to provide queries. This is too wasteful. > > thank you . >
