??????RE: Row Cache hit issue

2017-09-19 Thread Peng Xiao
Thanks All. -- -- ??: "Steinmaurer, Thomas";; : 2017??9??20??(??) 1:38 ??: "user@cassandra.apache.org"; ????: RE: Row Cache hit issue Hi, additionally, with saved (key) caches, we had some sort of

RE: Row Cache hit issue

2017-09-19 Thread Steinmaurer, Thomas
:06 To: cassandra Subject: Re: Row Cache hit issue Hi Peng, C* periodically saves cache to disk, to solve cold start problem. If row_cache_save_period=0, it means C* does not save cache to disk. But the cache is still working, if it's enabled in table schema, just the cache will be empty

Re: Row Cache hit issue

2017-09-19 Thread Dikang Gu
Hi Peng, C* periodically saves cache to disk, to solve cold start problem. If row_cache_save_period=0, it means C* does not save cache to disk. But the cache is still working, if it's enabled in table schema, just the cache will be empty after restart. --Dikang. On Tue, Sep 19, 2017 at 8:27 PM,

Re: Row Cache hit issue

2017-09-19 Thread Peng Xiao
And we are using C* 2.1.18. -- Original -- From: "";<2535...@qq.com>; Date: Wed, Sep 20, 2017 11:27 AM To: "user"; Subject: Row Cache hit issue Dear All, The default row_cache_save_period=0,looks Row Cache does not work in this situation? b