The link in the request didn't work. This one takes you to the comment:
https://zh.wikipedia.org/wiki/Wikipedia:%E4%BA%92%E5%8A%A9%E5%AE%A2%E6%A0%88/%E6%8A%80%E6%9C%AF#Tech_News:_2014-04 . I'm not good with bugzilla's magic links so there might be a better way to write that out.

I'm a little weary to do this before we get our extra machines in early February because we're filling up our disks. If zhwiki were smaller I'd totally do it. I've added zhwiki here: https://www.mediawiki.org/wiki/Search#Wikis so we'll make sure it is scheduled as soon as the extra machine come in or we shrink the index files a whole bunch.

This was fixed ages ago, and CirrusSearch is now available as a beta feature on zhwiki.

I don't think it is, actually. We're still short on the disk to do another big wikipedia. We've setup a bold plan to get it, but it'll be a few weeks before one of the fixes drops.

I'd seen it now! Thx to above!

Sorry we didn't get to it faster. Please let me know how its working! Right now we are using the Chinese analyzer built into Elasticsearch but I recently discovered that it is deprecated and we'll likely have to switch to Elasticsearch's "smart Chinese plugin". There are a few other options for Chinese analysis but the last time I checked all of the instructions for setting them up were in Chinese so I couldn't evaluate them.

If it isn't working well then please file a bug with some examples. Thanks for your interest!