solr对跨服务器表联合查询的配置

目前我们有两个库，不在同一个服务器上，如：A服务器上库有个account表，B服务器上有个两个库：其实就是把一个大数据表拆分成两个库，比如 follow1有个表A B和C，follow2有个C D和E表，其实都是存放相同的数据，这六个表的数据差不多有1000W，现在建索引我这边需要一个多小时，data-config.xml配置如下

<dataConfig>
   <dataSource type="JdbcDataSource" name="ds-1" driver="com.mysql.jdbc.Driver" url="jdbc:mysql://ip1:5901/relationship_1" user="****"
   password="*****" batchSize="-1"/>
   <dataSource type="JdbcDataSource" name="ds-2" driver="com.mysql.jdbc.Driver" url="jdbc:mysql://ip1:5902/relationship_2" user="****"
   password="******" batchSize="-1"/>
   <dataSource type="JdbcDataSource" name="ds-3" driver="com.mysql.jdbc.Driver" url="jdbc:mysql://ip2:3306/v506" user="****"
   password="******" batchSize="-1"/>
 <document name="follow_log">
   <entity dataSource="ds-1" name="following1" pk="logId" query="select cast(CONCAT(accountId,targetAccount) as SIGNED INTEGER) logId, accountId,targetAccount,followFlag,friendF
lag,followTime,friendTime,friendly,blockFlag,blockReason,blockTime,joinFlag from ((select * from relationship_following_1 ) union all (select * from relationship_following_3 ) u
nion all (select * from relationship_following_5 )) as f" deltaImportQuery="select cast(CONCAT(accountId,targetAccount) as SIGNED INTEGER) logId, accountId,targetAccount,followF
lag,friendFlag,followTime,friendTime,friendly,blockFlag,blockReason,blockTime,joinFlag from ((select * from relationship_following_1 where cast(CONCAT(accountId,targetAccount) a
s SIGNED INTEGER) = '${dih.delta.logId}') union all (select * from relationship_following_3 where cast(CONCAT(accountId,targetAccount) as SIGNED INTEGER) = '${dih.delta.logId}')
 union all (select * from relationship_following_5 where cast(CONCAT(accountId,targetAccount) as SIGNED INTEGER) = '${dih.delta.logId}')) as f" deltaQuery="select f.logId from (
(select cast(CONCAT(accountId,targetAccount) as SIGNED INTEGER) logId from relationship_following_1 where followTime >= '${dih.last_index_time}' or friendTime >= '${dih.last_ind
ex_time}') union all (select cast(CONCAT(accountId,targetAccount) as SIGNED INTEGER) logId from relationship_following_3 where followTime >= '${dih.last_index_time}' or friendTi
me >= '${dih.last_index_time}') union all (select cast(CONCAT(accountId,targetAccount) as SIGNED INTEGER) logId from relationship_following_5 where followTime >= '${dih.last_ind
ex_time}' or friendTime >= '${dih.last_index_time}')) as f">
      <field column="logId" name="logId"/>
      <field column="accountId" name="accountId"/>
      <field column="targetAccount" name="targetAccount"/>
      <field column="followFlag" name="followFlag"/>
      <field column="friendFlag" name="friendFlag"/>
      <field column="followTime" name="followTime"/>
      <field column="friendTime" name="friendTime"/>
      <field column="friendly" name="friendly"/>
      <field column="blockFlag" name="blockFlag"/>
      <field column="blockReason" name="blockReason"/>
      <field column="blockTime" name="blockTime"/>
      <field column="joinFlag" name="joinFlag"/>
          <entity dataSource="ds-3" name="account" query="select name,photoPath,l99NO,accountType,online from account where accountId = '${following1.targetAccount}'">
                  <field column="name" name="name"/>
                  <field column="photoPath" name="photoPath"/>
                  <field column="l99NO" name="l99NO"/>
                  <field column="accountType" name="accountType"/>
                  <field column="online" name="online"/>
          </entity>
   </entity>
   <entity dataSource="ds-2" name="following2" pk="logId" query="select cast(CONCAT(accountId,targetAccount) as SIGNED INTEGER) logId, accountId,targetAccount,followFlag,friendF
lag,followTime,friendTime,friendly,blockFlag,blockReason,blockTime,joinFlag from ((select * from relationship_following_2 ) union all (select * from relationship_following_4 ) u
nion all (select * from relationship_following_6 )) as f" deltaImportQuery="select cast(CONCAT(accountId,targetAccount) as SIGNED INTEGER) logId, accountId,targetAccount,followF
lag,friendFlag,followTime,friendTime,friendly,blockFlag,blockReason,blockTime,joinFlag from ((select * from relationship_following_2 where cast(CONCAT(accountId,targetAccount) a
s SIGNED INTEGER) = '${dih.delta.logId}') union all (select * from relationship_following_4 where cast(CONCAT(accountId,targetAccount) as SIGNED INTEGER) = '${dih.delta.logId}')
 union all (select * from relationship_following_6 where cast(CONCAT(accountId,targetAccount) as SIGNED INTEGER) = '${dih.delta.logId}')) as f" deltaQuery="select f.logId from (
(select cast(CONCAT(accountId,targetAccount) as SIGNED INTEGER) logId from relationship_following_2 where followTime >= '${dih.last_index_time}' or friendTime >= '${dih.last_ind
ex_time}') union all (select cast(CONCAT(accountId,targetAccount) as SIGNED INTEGER) logId from relationship_following_4 where followTime >= '${dih.last_index_time}' or friendTi
me >= '${dih.last_index_time}') union all (select cast(CONCAT(accountId,targetAccount) as SIGNED INTEGER) logId from relationship_following_6 where followTime >= '${dih.last_ind
ex_time}' or friendTime >= '${dih.last_index_time}')) as f">
      <field column="logId" name="logId"/>
      <field column="accountId" name="accountId"/>
      <field column="targetAccount" name="targetAccount"/>
      <field column="followFlag" name="followFlag"/>
      <field column="friendFlag" name="friendFlag"/>
      <field column="followTime" name="followTime"/>
      <field column="friendTime" name="friendTime"/>
      <field column="friendly" name="friendly"/>
      <field column="blockFlag" name="blockFlag"/>
      <field column="blockReason" name="blockReason"/>
      <field column="blockTime" name="blockTime"/>
      <field column="joinFlag" name="joinFlag"/>
          <entity dataSource="ds-3" name="account" query="select name,photoPath,l99NO,accountType,online from account where accountId = '${following2.targetAccount}'">
                  <field column="name" name="name"/>
                  <field column="photoPath" name="photoPath"/>
                  <field column="l99NO" name="l99NO"/>
                  <field column="accountType" name="accountType"/>
                  <field column="online" name="online"/>
          </entity>
    </entity>
   </document>
</dataConfig>

学习这个没多久，不知道有没有更好的办法来实现