Solr客户端发生“连接重置”
问题描述:
我们在调用SOLR服务器时遇到“连接重置”错误。我们的并发负载相当小。Solr客户端发生“连接重置”
这里是SOLR Tomcat的接口配置:
<Connector port="8983" protocol="HTTP/1.1"
connectionTimeout="20000" maxThreads="40000" minSpareThreads="400" maxSpareThreads="5000" maxKeepAliveRequests="100" URIEncoding="UTF-8"
redirectPort="8943" />
下面是我们从SOLR客户有:
Caused by: org.apache.solr.client.solrj.SolrServerException: java.net.SocketException: Connection reset
at org.apache.solr.client.solrj.impl.CommonsHttpSolrServer.request(CommonsHttpSolrServer.java:472)
at org.apache.solr.client.solrj.impl.CommonsHttpSolrServer.request(CommonsHttpSolrServer.java:243)
at org.apache.solr.client.solrj.request.QueryRequest.process(QueryRequest.java:89)
at org.apache.solr.client.solrj.SolrServer.query(SolrServer.java:122)
... 36 more
Caused by: java.net.SocketException: Connection reset
at java.net.SocketInputStream.read(SocketInputStream.java:168)
at java.io.BufferedInputStream.fill(BufferedInputStream.java:218)
at java.io.BufferedInputStream.read(BufferedInputStream.java:237)
at org.apache.commons.httpclient.HttpParser.readRawLine(HttpParser.java:78)
at org.apache.commons.httpclient.HttpParser.readLine(HttpParser.java:106)
at org.apache.commons.httpclient.HttpConnection.readLine(HttpConnection.java:1116)
at org.apache.commons.httpclient.MultiThreadedHttpConnectionManager$HttpConnectionAdapter.readLine(MultiThreadedHttpConnectionManager.java:1413)
at org.apache.commons.httpclient.HttpMethodBase.readStatusLine(HttpMethodBase.java:1973)
at org.apache.commons.httpclient.HttpMethodBase.readResponse(HttpMethodBase.java:1735)
at org.apache.commons.httpclient.HttpMethodBase.execute(HttpMethodBase.java:1098)
at org.apache.commons.httpclient.HttpMethodDirector.executeWithRetry(HttpMethodDirector.java:398)
at org.apache.commons.httpclient.HttpMethodDirector.executeMethod(HttpMethodDirector.java:171)
at org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java:397)
at org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java:323)
麻烦通过Solr的客户端代码读取拍摄后,我们发现这可能是由于SOLR的Tomcat配置中的连接超时设置不正确。我们决定将其更改为默认值(无限超时)。所以,我的问题是,将此值设置为无限时,是否会引发其他性能问题?
答
什么是调用Solr的客户端?并查询了吗?是不管什么原因的查询是一个很长的运行不返回?
Solr服务器是否由某些Web服务器(例如.apache)驱动? IMO可能发生的最糟糕的事情是某些客户端建立连接,之后不再发送任何内容,随后断开连接,造成文件描述符泄漏。前面的Web服务器可以缓解这个问题。 – user1452132 2012-06-13 14:44:35