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From Nishanth S <nishanth.2...@gmail.com>
Subject Connection Reset Errors with Solr 4.4
Date Tue, 20 Jan 2015 17:39:32 GMT
Hello All,

We are running solr cloud 4.4 with 30 shards and 3 replicas with real time
indexing on rhel 6.5.The indexing rate is 3K Tps now.We are running into an
issue with replicas going into recovery mode  due to connection reset
errors.Soft commit time is 2 min and auto commit is set as 5 minutes.I have
seen that replicas do a full index recovery which takes a long
time(days).Below is the error trace that  I see.I would really appreciate
any help in this case.

g.apache.solr.client.solrj.SolrServerException: IOException occured when
talking to server at: http://xxx:8083/solr/log_pn_shard20_replica2
        at
org.apache.solr.client.solrj.impl.HttpSolrServer.request(HttpSolrServer.java:435)
        at
org.apache.solr.client.solrj.impl.HttpSolrServer.request(HttpSolrServer.java:180)
        at
org.apache.solr.update.SolrCmdDistributor$1.call(SolrCmdDistributor.java:401)
        at
org.apache.solr.update.SolrCmdDistributor$1.call(SolrCmdDistributor.java:375)
        at java.util.concurrent.FutureTask.run(FutureTask.java:262)
        at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
        at java.util.concurrent.FutureTask.run(FutureTask.java:262)
        at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:745)
Caused by: java.net.SocketException: Connection reset
        at java.net.SocketInputStream.read(SocketInputStream.java:196)
        at java.net.SocketInputStream.read(SocketInputStream.java:122)
        at
org.apache.http.impl.io.AbstractSessionInputBuffer.fillBuffer(AbstractSessionInputBuffer.java:166)
        at
org.apache.http.impl.io.SocketInputBuffer.fillBuffer(SocketInputBuffer.java:90)
        at
org.apache.http.impl.io.AbstractSessionInputBuffer.readLine(AbstractSessionInputBuffer.java:281)
        at
org.apache.http.impl.conn.DefaultHttpResponseParser.parseHead(DefaultHttpResponseParser.java:92)
        at
org.apache.http.impl.conn.DefaultHttpResponseParser.parseHead(DefaultHttpResponseParser.java:62)
        at
org.apache.http.impl.io.AbstractMessageParser.parse(AbstractMessageParser.java:254)
        at
org.apache.http.impl.AbstractHttpClientConnection.receiveResponseHeader(AbstractHttpClientConnection.java:289)
        at
org.apache.http.impl.conn.DefaultClientConnection.receiveResponseHeader(DefaultClientConnection.java:252)
        at
org.apache.http.impl.conn.ManagedClientConnectionImpl.receiveResponseHeader(ManagedClientConnectionImpl.java:191)
        at
org.apache.http.protocol.HttpRequestExecutor.doReceiveResponse(HttpRequestExecutor.java:300)
        at
org.apache.http.protocol.HttpRequestExecutor.execute(HttpRequestExecutor.java:127)
        at
org.apache.http.impl.client.DefaultRequestDirector.tryExecute(DefaultRequestDirector.java:717)
        at
org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:522)
        at
org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:906)
        at
org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:805)
        at
org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:784)
        at
org.apache.solr.client.solrj.impl.HttpSolrServer.request(HttpSolrServer.java:365)
        ... 9 more


Thanks,
Nishanth

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