topic is it possible to generate duplicate ID in load balance environment? in Alfresco Archive https://connect.hyland.com/t5/alfresco-archive/is-it-possible-to-generate-duplicate-id-in-load-balance/m-p/230026#M183156 <HTML><HEAD></HEAD><BODY><SPAN>hi,</SPAN><BR /><BR /><SPAN>Suppose we have two servers which are running the engine and share one database in a load balance environment.&nbsp;&nbsp;&nbsp; and both of them hit the function 'getNextId' in DbIdGenerator.java at exactly the same time, will it generate duplicate ID?</SPAN><BR /><BR /><SPAN>It's a rare case but still be a possible issue as we use database to generate a 'Unique'&nbsp; IdBlock for every engine.</SPAN><BR /><BR /><SPAN>Thanks</SPAN><BR /><SPAN>Sean </SPAN></BODY></HTML> Fri, 08 Jan 2016 02:35:58 GMT seanl 2016-01-08T02:35:58Z is it possible to generate duplicate ID in load balance environment? https://connect.hyland.com/t5/alfresco-archive/is-it-possible-to-generate-duplicate-id-in-load-balance/m-p/230026#M183156 hi,Suppose we have two servers which are running the engine and share one database in a load balance environment.&nbsp;&nbsp;&nbsp; and both of them hit the function 'getNextId' in DbIdGenerator.java at exactly the same time, will it generate duplicate ID?It's a rare case but still be a possible issue as we use da Fri, 08 Jan 2016 02:35:58 GMT https://connect.hyland.com/t5/alfresco-archive/is-it-possible-to-generate-duplicate-id-in-load-balance/m-p/230026#M183156 seanl 2016-01-08T02:35:58Z Re: is it possible to generate duplicate ID in load balance environment? https://connect.hyland.com/t5/alfresco-archive/is-it-possible-to-generate-duplicate-id-in-load-balance/m-p/230027#M183157 <HTML><HEAD></HEAD><BODY><SPAN>please help me on this </SPAN></BODY></HTML> Tue, 12 Jan 2016 07:49:34 GMT https://connect.hyland.com/t5/alfresco-archive/is-it-possible-to-generate-duplicate-id-in-load-balance/m-p/230027#M183157 seanl 2016-01-12T07:49:34Z Re: is it possible to generate duplicate ID in load balance environment? https://connect.hyland.com/t5/alfresco-archive/is-it-possible-to-generate-duplicate-id-in-load-balance/m-p/230028#M183158 <HTML><HEAD></HEAD><BODY><SPAN>No, a block of ID's is fetched using a transaction on a row in the ACT_GE_PROPERTY table. This works in a multi-node environment.</SPAN><BR /><BR /><SPAN>An alternative to using that id generator, is using an UUID generator.</SPAN></BODY></HTML> Wed, 20 Jan 2016 21:47:41 GMT https://connect.hyland.com/t5/alfresco-archive/is-it-possible-to-generate-duplicate-id-in-load-balance/m-p/230028#M183158 jbarrez 2016-01-20T21:47:41Z