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    <title>topic MySQL General Query log filled with alf_transaction queries in Alfresco Forum</title>
    <link>https://connect.hyland.com/t5/alfresco-forum/mysql-general-query-log-filled-with-alf-transaction-queries/m-p/71337#M23284</link>
    <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;I turned on MySQL general logging to watch the logs when I poke around Alfresco.&amp;nbsp; I am finding that the log is filled with queries such as the following:&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt; &amp;nbsp; 17 Query select&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;txn.id&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;as id,&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;txn.version &lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;as version,&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;txn.change_txn_id &lt;SPAN class=""&gt;&amp;nbsp; &lt;/SPAN&gt;as change_txn_id,&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;txn.commit_time_ms&lt;SPAN class=""&gt;&amp;nbsp; &lt;/SPAN&gt;as commit_time_ms&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp;&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;from&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;alf_transaction txn&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;where&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;txn.commit_time_ms =&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;(&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;select max(commit_time_ms) from alf_transaction&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;where commit_time_ms &amp;lt;= 1536104592302 &lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;)&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt; &lt;/SPAN&gt;&lt;SPAN class=""&gt; &lt;/SPAN&gt; &lt;SPAN class=""&gt;&amp;nbsp; &lt;/SPAN&gt;18 Query&lt;SPAN class=""&gt; &lt;/SPAN&gt;select&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;txn.id&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;as id,&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;txn.version &lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;as version,&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;txn.change_txn_id &lt;SPAN class=""&gt;&amp;nbsp; &lt;/SPAN&gt;as change_txn_id,&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;txn.commit_time_ms&lt;SPAN class=""&gt;&amp;nbsp; &lt;/SPAN&gt;as commit_time_ms&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp;&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;from&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;alf_transaction txn&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;where&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;txn.commit_time_ms =&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;(&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;select max(commit_time_ms) from alf_transaction&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;where commit_time_ms &amp;lt;= 1536104592302 &lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;)&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt; &lt;/SPAN&gt;&lt;SPAN class=""&gt; &lt;/SPAN&gt; &lt;SPAN class=""&gt;&amp;nbsp; &lt;/SPAN&gt;18 Query&lt;SPAN class=""&gt; &lt;/SPAN&gt;commit&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt; &lt;/SPAN&gt;&lt;SPAN class=""&gt; &lt;/SPAN&gt; &lt;SPAN class=""&gt;&amp;nbsp; &lt;/SPAN&gt;17 Query&lt;SPAN class=""&gt; &lt;/SPAN&gt;commit&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt; &lt;/SPAN&gt;&lt;SPAN class=""&gt; &lt;/SPAN&gt; &lt;SPAN class=""&gt;&amp;nbsp; &lt;/SPAN&gt;18 Query&lt;SPAN class=""&gt; &lt;/SPAN&gt;select @@session.tx_read_only&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt; &lt;/SPAN&gt;&lt;SPAN class=""&gt; &lt;/SPAN&gt; &lt;SPAN class=""&gt;&amp;nbsp; &lt;/SPAN&gt;18 Query&lt;SPAN class=""&gt; &lt;/SPAN&gt;set session transaction read write&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt; &lt;/SPAN&gt;&lt;SPAN class=""&gt; &lt;/SPAN&gt; &lt;SPAN class=""&gt;&amp;nbsp; &lt;/SPAN&gt;17 Query&lt;SPAN class=""&gt; &lt;/SPAN&gt;select @@session.tx_read_only&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt; &lt;/SPAN&gt;&lt;SPAN class=""&gt; &lt;/SPAN&gt; &lt;SPAN class=""&gt;&amp;nbsp; &lt;/SPAN&gt;18 Query&lt;SPAN class=""&gt; &lt;/SPAN&gt;select @@session.tx_read_only&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt; &lt;/SPAN&gt;&lt;SPAN class=""&gt; &lt;/SPAN&gt; &lt;SPAN class=""&gt;&amp;nbsp; &lt;/SPAN&gt;18 Query&lt;SPAN class=""&gt; &lt;/SPAN&gt;rollback&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt; &lt;/SPAN&gt;&lt;SPAN class=""&gt; &lt;/SPAN&gt; &lt;SPAN class=""&gt;&amp;nbsp; &lt;/SPAN&gt;17 Query&lt;SPAN class=""&gt; &lt;/SPAN&gt;set session transaction read write&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt; &lt;/SPAN&gt;&lt;SPAN class=""&gt; &lt;/SPAN&gt; &lt;SPAN class=""&gt;&amp;nbsp; &lt;/SPAN&gt;18 Query&lt;SPAN class=""&gt; &lt;/SPAN&gt;SET autocommit=1&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt; &lt;/SPAN&gt;&lt;SPAN class=""&gt; &lt;/SPAN&gt; &lt;SPAN class=""&gt;&amp;nbsp; &lt;/SPAN&gt;17 Query&lt;SPAN class=""&gt; &lt;/SPAN&gt;select @@session.tx_read_only&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt; &lt;/SPAN&gt;&lt;SPAN class=""&gt; &lt;/SPAN&gt; &lt;SPAN class=""&gt;&amp;nbsp; &lt;/SPAN&gt;17 Query&lt;SPAN class=""&gt; &lt;/SPAN&gt;rollback&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt; &lt;/SPAN&gt;&lt;SPAN class=""&gt; &lt;/SPAN&gt; &lt;SPAN class=""&gt;&amp;nbsp; &lt;/SPAN&gt;17 Query&lt;SPAN class=""&gt; &lt;/SPAN&gt;SET autocommit=1&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt; &lt;/SPAN&gt;&lt;SPAN class=""&gt; &lt;/SPAN&gt; &lt;SPAN class=""&gt;&amp;nbsp; &lt;/SPAN&gt;17 Query&lt;SPAN class=""&gt; &lt;/SPAN&gt;SET autocommit=0&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt; &lt;/SPAN&gt;&lt;SPAN class=""&gt; &lt;/SPAN&gt; &lt;SPAN class=""&gt;&amp;nbsp; &lt;/SPAN&gt;17 Query&lt;SPAN class=""&gt; &lt;/SPAN&gt;set session transaction read only&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt; &lt;/SPAN&gt;&lt;SPAN class=""&gt; &lt;/SPAN&gt; &lt;SPAN class=""&gt;&amp;nbsp; &lt;/SPAN&gt;17 Query&lt;SPAN class=""&gt; &lt;/SPAN&gt;select&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;txn.id&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;as id,&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;txn.commit_time_ms&lt;SPAN class=""&gt;&amp;nbsp; &lt;/SPAN&gt;as commit_time_ms,&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;count(case when node.type_qname_id != 427 then 1 end) as updates,&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;count(case when node.type_qname_id = 427 then 1 end) as deletes&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;from&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;alf_transaction txn&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;join alf_node node on (txn.id = node.transaction_id)&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;WHERE txn.commit_time_ms &amp;gt;= 1535095946411&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;and txn.commit_time_ms &amp;lt; 1535124746411 &lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;group by txn.commit_time_ms, txn.id&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;order by txn.commit_time_ms ASC, txn.id ASC&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt; &lt;/SPAN&gt;&lt;SPAN class=""&gt; &lt;/SPAN&gt; &lt;SPAN class=""&gt;&amp;nbsp; &lt;/SPAN&gt;18 Query&lt;SPAN class=""&gt; &lt;/SPAN&gt;SET autocommit=0&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt; &lt;/SPAN&gt;&lt;SPAN class=""&gt; &lt;/SPAN&gt; &lt;SPAN class=""&gt;&amp;nbsp; &lt;/SPAN&gt;17 Query&lt;SPAN class=""&gt; &lt;/SPAN&gt;select&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;max(commit_time_ms)&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;from&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;alf_transaction&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt; &lt;/SPAN&gt;&lt;SPAN class=""&gt; &lt;/SPAN&gt; &lt;SPAN class=""&gt;&amp;nbsp; &lt;/SPAN&gt;18 Query&lt;SPAN class=""&gt; &lt;/SPAN&gt;set session transaction read only&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt; &lt;/SPAN&gt;&lt;SPAN class=""&gt; &lt;/SPAN&gt; &lt;SPAN class=""&gt;&amp;nbsp; &lt;/SPAN&gt;17 Query&lt;SPAN class=""&gt; &lt;/SPAN&gt;select&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;txn.id&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;as id,&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;txn.version &lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;as version,&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;txn.change_txn_id &lt;SPAN class=""&gt;&amp;nbsp; &lt;/SPAN&gt;as change_txn_id,&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;txn.commit_time_ms&lt;SPAN class=""&gt;&amp;nbsp; &lt;/SPAN&gt;as commit_time_ms&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp;&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;from&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;alf_transaction txn&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;where&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;txn.commit_time_ms =&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;(&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;select max(commit_time_ms) from alf_transaction&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;where commit_time_ms &amp;lt;= 1536104592305 &lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;)&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt; &lt;/SPAN&gt;&lt;SPAN class=""&gt; &lt;/SPAN&gt; &lt;SPAN class=""&gt;&amp;nbsp; &lt;/SPAN&gt;18 Query&lt;SPAN class=""&gt; &lt;/SPAN&gt;select&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;txn.id&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;as id,&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;txn.commit_time_ms&lt;SPAN class=""&gt;&amp;nbsp; &lt;/SPAN&gt;as commit_time_ms,&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;count(case when node.type_qname_id != 427 then 1 end) as updates,&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;count(case when node.type_qname_id = 427 then 1 end) as deletes&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;from&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;alf_transaction txn&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;join alf_node node on (txn.id = node.transaction_id)&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;WHERE txn.commit_time_ms &amp;gt;= 1535070746411&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;and txn.commit_time_ms &amp;lt; 1535074346411 &lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;group by txn.commit_time_ms, txn.id&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;/SPAN&gt;order by txn.commit_time_ms ASC, txn.id ASC&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt; &lt;/SPAN&gt;&lt;SPAN class=""&gt; &lt;/SPAN&gt; &lt;SPAN class=""&gt;&amp;nbsp; &lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;Does anyone know what Alfresco is attempting to do or is doing by executing these queries?&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/P&gt;&lt;P class=""&gt;&lt;SPAN class=""&gt;&lt;SPAN class=""&gt;&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
    <pubDate>Tue, 04 Sep 2018 23:59:14 GMT</pubDate>
    <dc:creator>dkeidel</dc:creator>
    <dc:date>2018-09-04T23:59:14Z</dc:date>
    <item>
      <title>MySQL General Query log filled with alf_transaction queries</title>
      <link>https://connect.hyland.com/t5/alfresco-forum/mysql-general-query-log-filled-with-alf-transaction-queries/m-p/71337#M23284</link>
      <description>I turned on MySQL general logging to watch the logs when I poke around Alfresco.&amp;nbsp; I am finding that the log is filled with queries such as the following: &amp;nbsp; 17 Query select&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; txn.id&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; as id,&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; txn.version &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; as version,&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; txn.change_txn_id &amp;nbsp; as change_txn_id</description>
      <pubDate>Tue, 04 Sep 2018 23:59:14 GMT</pubDate>
      <guid>https://connect.hyland.com/t5/alfresco-forum/mysql-general-query-log-filled-with-alf-transaction-queries/m-p/71337#M23284</guid>
      <dc:creator>dkeidel</dc:creator>
      <dc:date>2018-09-04T23:59:14Z</dc:date>
    </item>
    <item>
      <title>Re: MySQL General Query log filled with alf_transaction queries</title>
      <link>https://connect.hyland.com/t5/alfresco-forum/mysql-general-query-log-filled-with-alf-transaction-queries/m-p/71338#M23285</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;This is part of the index tracking of SOLR / Alfresco Search Services. It checks on a regular interval for&amp;nbsp;updates in the database to reindex, and does so by checking for alf_transaction entries, which are used to group updates to nodes (documents / folders).&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Wed, 05 Sep 2018 08:39:36 GMT</pubDate>
      <guid>https://connect.hyland.com/t5/alfresco-forum/mysql-general-query-log-filled-with-alf-transaction-queries/m-p/71338#M23285</guid>
      <dc:creator>afaust</dc:creator>
      <dc:date>2018-09-05T08:39:36Z</dc:date>
    </item>
    <item>
      <title>Re: MySQL General Query log filled with alf_transaction queries</title>
      <link>https://connect.hyland.com/t5/alfresco-forum/mysql-general-query-log-filled-with-alf-transaction-queries/m-p/71339#M23286</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Thank you &lt;B&gt;Axel Faust&lt;/B&gt;.&amp;nbsp; I am trying to look for queries in MySQL that are specific to the actions I am performing such as adding a document and these queries are fillin gup the general query log.&amp;nbsp; I need to figure out a way to suppress these regular interval queries so that I can see only the ones of interest.&amp;nbsp; Is there a way in Alfresco or MySQL to do that?&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Wed, 05 Sep 2018 19:43:52 GMT</pubDate>
      <guid>https://connect.hyland.com/t5/alfresco-forum/mysql-general-query-log-filled-with-alf-transaction-queries/m-p/71339#M23286</guid>
      <dc:creator>dkeidel</dc:creator>
      <dc:date>2018-09-05T19:43:52Z</dc:date>
    </item>
    <item>
      <title>Re: MySQL General Query log filled with alf_transaction queries</title>
      <link>https://connect.hyland.com/t5/alfresco-forum/mysql-general-query-log-filled-with-alf-transaction-queries/m-p/71340#M23287</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Not sure about MySQL - I rarely ever use that anymore. The only way in Alfresco to suppress these queries would be to disable index tracking in SOLR (or not use SOLR at all).&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Wed, 05 Sep 2018 21:28:25 GMT</pubDate>
      <guid>https://connect.hyland.com/t5/alfresco-forum/mysql-general-query-log-filled-with-alf-transaction-queries/m-p/71340#M23287</guid>
      <dc:creator>afaust</dc:creator>
      <dc:date>2018-09-05T21:28:25Z</dc:date>
    </item>
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