topic DbIdGenerator vs. Clustering in Alfresco Archive https://connect.hyland.com/t5/alfresco-archive/dbidgenerator-vs-clustering/m-p/192409#M145539 <HTML><HEAD></HEAD><BODY><SPAN>Hi there,</SPAN><BR /><BR /><SPAN>my question is kinda follow-up to </SPAN><BR /><A href="http://forums.activiti.org/content/clustering" rel="nofollow noopener noreferrer">http://forums.activiti.org/content/clustering</A><BR /><BR /><SPAN>Digging through the Activiti sources i tried and failed to unterstand how cluster compatibility is achieved in regards of the default id generator. I need to ensure our setup will not lead to any duplicate primary keys being assigned (currently: 2 servers with 2 workers on each and a shared database (Mysql &gt; 5.6)).</SPAN><BR /><BR /><SPAN>I would be happy if someone could give me a hint how uniqueness is ensured. </SPAN><BR /><BR /><SPAN>Many thanks in advance</SPAN><BR /><BR /><SPAN>Thomas</SPAN></BODY></HTML> Tue, 27 Jan 2015 10:06:08 GMT theastax 2015-01-27T10:06:08Z DbIdGenerator vs. Clustering https://connect.hyland.com/t5/alfresco-archive/dbidgenerator-vs-clustering/m-p/192409#M145539 Hi there,my question is kinda follow-up to http://forums.activiti.org/content/clusteringDigging through the Activiti sources i tried and failed to unterstand how cluster compatibility is achieved in regards of the default id generator. I need to ensure our setup will not lead to any duplicate primar Tue, 27 Jan 2015 10:06:08 GMT https://connect.hyland.com/t5/alfresco-archive/dbidgenerator-vs-clustering/m-p/192409#M145539 theastax 2015-01-27T10:06:08Z Re: DbIdGenerator vs. Clustering https://connect.hyland.com/t5/alfresco-archive/dbidgenerator-vs-clustering/m-p/192410#M145540 <HTML><HEAD></HEAD><BODY><SPAN>The DbIdGenerator is implemented exactly for clustering: each nodes locks a block of ids in the database. If the block is used up, a new block is used.</SPAN><BR /><BR /><SPAN>Very much like the Table id generator from JPA</SPAN></BODY></HTML> Mon, 09 Feb 2015 15:09:41 GMT https://connect.hyland.com/t5/alfresco-archive/dbidgenerator-vs-clustering/m-p/192410#M145540 jbarrez 2015-02-09T15:09:41Z