我想知道使用Fusion而不是常规Solr有什么优点和缺点？你们能举一些例子(比如可以用Fusion轻松解决的一些问题)吗？
我有8个节点的solr云集群与外部zookeeper连接。每个节点：30 Gb，4 核。我已经创建了大约 100 个集合，每个集合都有大约。30 个碎片。（为什么我需要它，让我们有一个不同的故事，业务隔离，业务需求可以是任何东西）。
现在，我同时将数据提取到 30 个集合的集群中。我发现少数集合的摄取失败。在 solr 日志中，我可以看到发生了“连接重置”异常。总体摄入时间约为 10 小时。
有什么建议吗？即使是由于资源匮乏，我如何证明由于缺乏资源而导致连接重置。
====异常======
2015-01-30 09:16:14,454 ERROR [updateExecutor-1-thread-8151] ? (:) - error
java.net.SocketException: Connection reset
at java.net.SocketInputStream.read(SocketInputStream.java:196) ~[?:1.7.0_55]
at java.net.SocketInputStream.read(SocketInputStream.java:122) ~[?:1.7.0_55]
at org.apache.http.impl.io.AbstractSessionInputBuffer.fillBuffer(AbstractSessionInputBuffer.java:160) ~[httpcore-4.3.jar:4.3]
at org.apache.http.impl.io.SocketInputBuffer.fillBuffer(SocketInputBuffer.java:84) ~[httpcore-4.3.jar:4.3]
at org.apache.http.impl.io.AbstractSessionInputBuffer.readLine(AbstractSessionInputBuffer.java:273) ~[httpcore-4.3.jar:4.3]
at org.apache.http.impl.conn.DefaultHttpResponseParser.parseHead(DefaultHttpResponseParser.java:140) ~[httpclient-4.3.1.jar:4.3.1]
at org.apache.http.impl.conn.DefaultHttpResponseParser.parseHead(DefaultHttpResponseParser.java:57) ~[httpclient-4.3.1.jar:4.3.1]
at org.apache.http.impl.io.AbstractMessageParser.parse(AbstractMessageParser.java:260) ~[httpcore-4.3.jar:4.3]
at org.apache.http.impl.AbstractHttpClientConnection.receiveResponseHeader(AbstractHttpClientConnection.java:283) ~[httpcore-4.3.jar:4.3]
at org.apache.http.impl.conn.DefaultClientConnection.receiveResponseHeader(DefaultClientConnection.java:251) ~[httpclient-4.3.1.jar:4.3.1]
at org.apache.http.impl.conn.ManagedClientConnectionImpl.receiveResponseHeader(ManagedClientConnectionImpl.java:197) ~[httpclient-4.3.1.jar:4.3.1]
at org.apache.http.protocol.HttpRequestExecutor.doReceiveResponse(HttpRequestExecutor.java:271) ~[httpcore-4.3.jar:4.3]
at org.apache.http.protocol.HttpRequestExecutor.execute(HttpRequestExecutor.java:123) ~[httpcore-4.3.jar:4.3]
at org.apache.http.impl.client.DefaultRequestDirector.tryExecute(DefaultRequestDirector.java:682) ~[httpclient-4.3.1.jar:4.3.1]
at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:486) ~[httpclient-4.3.1.jar:4.3.1]
at org.apache.http.impl.client.AbstractHttpClient.doExecute(AbstractHttpClient.java:863) ~[httpclient-4.3.1.jar:4.3.1]
at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:82) ~[httpclient-4.3.1.jar:4.3.1]
at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:106) ~[httpclient-4.3.1.jar:4.3.1] …