solr 的 statistics 页面 optimized

Question

此外，他解释一些运行参数：

Optional Attribute	Description
waitSearch	Default is true. Blocks until a new searcher is opened and registered as the main query searcher, making the changes visible
expungeDeletes	(commit only)Default is false. Merges segments that have more than 10% deleted docs,expunging them in the process.
maxSegments	(optimize only)Default is 1. Merges the segments down to no more than this number of segments

example： http://solr5.test.pingansec.com/solr/db/update?optimize=true&waitFlush=true&wt=json&_=1541554644867&maxSegments=8&expungeDeletes=true