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[77.221.19.30]) by smtp.gmail.com with ESMTPSA id u12sm3418144wmu.10.2016.01.26.04.54.49 for (version=TLSv1/SSLv3 cipher=OTHER); Tue, 26 Jan 2016 04:54:49 -0800 (PST) Subject: Re: To Detect Wheter Core is Available To Post To: solr-user@lucene.apache.org References: From: Emir Arnautovic Message-ID: <56A76C9A.7020403@sematext.com> Date: Tue, 26 Jan 2016 13:54:50 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.4.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Hi Edwin, Assuming you are using SolrCloud - why do you need specific core? Can you use some of status actions from collection API - there is CLUSTERSTATUS action? Thanks, Emir On 26.01.2016 05:34, Edwin Lee wrote: > Hi All, > > Our team is using the Solr to process log and we met a problem in SOLR > posting. > > We want to detect the health of each core —- whether they are available to > post. We have to figure out ways to do that： > > 1. Using luke request . —- Cost is a bit high for core loading > 2. We have designed a cache and adding the hook when the core is open or > closed to record whether the core is loaded. —- *Question: If a core is > loaded, is there situation that we still cannot post data to it?* > 3. We try to post some meanless data with our unique id, and delete that > data within the same commit, for example, if we use json to post data, it > is like this, > > { > "add": { > "doc":{ > "id": "%%ID%%" > } > }, > "delete": { "id": "%%ID%%" }, > "commit": {}} > > *But we still not 100% sure whether it will mess up with our normal data.* > > What is the best way for this requirment. We want to consult your opinions. > > Thank you. > > Regards, > Edwin Lee > 20160126 > -- Monitoring * Alerting * Anomaly Detection * Centralized Log Management Solr & Elasticsearch Support * http://sematext.com/