1 つのテーブルに 4 億件を超えるレコードを含む mysql データベースがあります。
制限を設定すると、Solr インポートは正常に実行されます。私の最後のテストは 10,000,000 で、約 5 分で正常に実行されました。Solr に完全なデータセットが必要であり、制限を削除すると、solr は mysql への接続が失われたと報告しています。
現在の構成では、構成の誤りまたは制限と思われる問題が発生していると思われます。
tomcat の catalina.out ログは次のとおりです。
Caused by: java.lang.RuntimeException: org.apache.solr.handler.dataimport.DataImportHandlerException: Unable to execute query: SELECT id as solr_id, id,firstname, lastname, state from names Processing Document # 1
at org.apache.solr.handler.dataimport.DocBuilder.buildDocument(DocBuilder.java:621)
at org.apache.solr.handler.dataimport.DocBuilder.doFullDump(DocBuilder.java:327)
at org.apache.solr.handler.dataimport.DocBuilder.execute(DocBuilder.java:225)
... 3 more
Caused by: org.apache.solr.handler.dataimport.DataImportHandlerException: Unable to execute query: SELECT id as solr_id, id,firstname, lastname, state from names Processing Document # 1
at org.apache.solr.handler.dataimport.DataImportHandlerException.wrapAndThrow(DataImportHandlerException.java:72)
at org.apache.solr.handler.dataimport.JdbcDataSource$ResultSetIterator.<init>(JdbcDataSource.java:253)
at org.apache.solr.handler.dataimport.JdbcDataSource.getData(JdbcDataSource.java:210)
at org.apache.solr.handler.dataimport.JdbcDataSource.getData(JdbcDataSource.java:39)
at org.apache.solr.handler.dataimport.SqlEntityProcessor.initQuery(SqlEntityProcessor.java:59)
at org.apache.solr.handler.dataimport.SqlEntityProcessor.nextRow(SqlEntityProcessor.java:73)
at org.apache.solr.handler.dataimport.EntityProcessorWrapper.pullRow(EntityProcessorWrapper.java:330)
at org.apache.solr.handler.dataimport.EntityProcessorWrapper.nextRow(EntityProcessorWrapper.java:296)
at org.apache.solr.handler.dataimport.DocBuilder.buildDocument(DocBuilder.java:683)
at org.apache.solr.handler.dataimport.DocBuilder.buildDocument(DocBuilder.java:619)
... 5 more
Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
The last packet successfully received from the server was 353,135 milliseconds ago. The last packet sent successfully to the server was 353,135 milliseconds ago.
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:532)
at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)
at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1121)
at com.mysql.jdbc.MysqlIO.nextRowFast(MysqlIO.java:2243)
at com.mysql.jdbc.MysqlIO.nextRow(MysqlIO.java:1999)
at com.mysql.jdbc.MysqlIO.readSingleRowSet(MysqlIO.java:3504)
at com.mysql.jdbc.MysqlIO.getResultSet(MysqlIO.java:490)
at com.mysql.jdbc.MysqlIO.readResultsForQueryOrUpdate(MysqlIO.java:3198)
at com.mysql.jdbc.MysqlIO.readAllResults(MysqlIO.java:2366)
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2789)
at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2809)
at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2758)
at com.mysql.jdbc.StatementImpl.execute(StatementImpl.java:894)
at com.mysql.jdbc.StatementImpl.execute(StatementImpl.java:732)
at org.apache.solr.handler.dataimport.JdbcDataSource$ResultSetIterator.<init>(JdbcDataSource.java:246)
... 13 more
Caused by: java.io.EOFException: Can not read response from server. Expected to read 17 bytes, read 12 bytes before connection was unexpectedly lost.
at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:3119)
at com.mysql.jdbc.MysqlIO.nextRowFast(MysqlIO.java:2224)
... 24 more
Jun 16, 2013 4:51:37 PM org.apache.solr.update.DirectUpdateHandler2 rollback
INFO: start rollback
Jun 16, 2013 4:51:37 PM org.apache.solr.update.DirectUpdateHandler2 rollback
INFO: end_rollback
MySQL ログ
130616 16:15:29 mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql
130616 16:15:29 [Warning] option 'max_allowed_packet': unsigned value 53687091200 adjusted to 1073741824
130616 16:15:29 InnoDB: Initializing buffer pool, size = 22.0G
130616 16:15:30 InnoDB: Completed initialization of buffer pool
130616 16:15:31 InnoDB: Started; log sequence number 49 1885610091
130616 16:15:31 [Note] Event Scheduler: Loaded 0 events
130616 16:15:31 [Note] /usr/libexec/mysqld: ready for connections.
Version: '5.1.69' socket: '/var/lib/mysql/mysql.sock' port: 3306 Source distribution
MySQL テーブル
CREATE TABLE `names` (
`id` int(11) unsigned NOT NULL AUTO_INCREMENT,
`state` varchar(12) DEFAULT NULL,
`source` varchar(128) DEFAULT NULL,
`lastname` varchar(128) DEFAULT NULL,
`firstname` varchar(128) DEFAULT NULL,
PRIMARY KEY (`id`),
KEY `source-state` (`source`,`state`),
KEY `first-last` (`firstname`,`lastname`),
KEY `first-last-state` (`firstname`,`lastname`,`state`)
) ENGINE=InnoDB AUTO_INCREMENT=433924211 DEFAULT CHARSET=utf8;
MySQL 構成
[mysqld]
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock
user=mysql
# Disabling symbolic-links is recommended to prevent assorted security risks
symbolic-links=0
wait_timeout=66600
net_read_timeout=66600
interactive_timeout=666666
max_allowed_packet=50G
max_connect_errors=666666
innodb_buffer_pool_size=22GB
innodb_flush_log_at_trx_commit = 2
thread_cache_size=4
[mysqld_safe]
log-error=/var/log/mysqld.log
pid-file=/var/run/mysqld/mysqld.pid
Solr data-config.xml
<dataConfig>
<dataSource type="JdbcDataSource"
driver="com.mysql.jdbc.Driver"
url="jdbc:mysql://127.0.0.1:3306/databasename?zeroDateTimeBehavior=convertToNull"
user="root"
password="password"
stream="true"/>
<document name="content">
<entity name="names" pk="id" query="SELECT id as solr_id, id,firstname, lastname, state from names limit 10000000">
<field column="solr_id" name="solr_id" />
<field column="id" name="id" />
<field column="firstname" name="firstname" />
<field column="lastname" name="lastname" />
<field column="state" name="state" />
</entity>
</document>
</dataConfig>