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<td class="page-title-pattern-first-line " style="padding: 0px; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; padding-top: 10px"> <a href="https://issues.jboss.org/browse/AGPUSH" style="color: #3b73af; text-decoration: none">AeroGear Push</a> / <a href="https://issues.jboss.org/browse/AGPUSH-1362" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-static-newfeature-accd7fd7-b5d6-4f35-8a40-00fffc39d872" height="16" width="16" border="0" align="absmiddle" alt="Feature Request" style="vertical-align: text-bottom" /></a> <a href="https://issues.jboss.org/browse/AGPUSH-1362" style="color: #3b73af; text-decoration: none">AGPUSH-1362</a>
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<td style="vertical-align: top;; padding: 0px; border-collapse: collapse; padding-right: 5px; font-size: 20px; line-height: 30px; mso-line-height-rule: exactly" class="page-title-pattern-header-container"> <span class="page-title-pattern-header" style="font-family: Arial, sans-serif; padding: 0; font-size: 20px; line-height: 30px; mso-text-raise: 2px; mso-line-height-rule: exactly; vertical-align: middle"> <a href="https://issues.jboss.org/browse/AGPUSH-1362" style="color: #3b73af; text-decoration: none">DB deadlock - using more AG UPS in cluster</a> </span>
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Change By:
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<td style="padding: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <a class="user-hover" rel="ivan.gurtler" id="email_ivan.gurtler" href="https://issues.jboss.org/secure/ViewProfile.jspa?name=ivan.gurtler" style="color:#3b73af;; color: #3b73af; text-decoration: none">Ivan Gurtler</a>
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<td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0px; border-collapse: collapse; padding: 0 0 10px 0"> <span class="diffcontext">Using more UPS in cluster with one DB.<br />Midnight DB clean up cause deadlock and it is not possible to set up time for scheduler not to run at midnight.<br /><br />scheduler is singleton per node ( https://github.com/aerogear/aerogear-unifiedpush-server/blob/master/service/src/main/java/org/jboss/aerogear/unifiedpush/service/metrics/DeleteOldPushMessageInformationScheduler.java )<br /><br /><br />Example: oracle DB ( FYI ... DB owner PUSHSRVAG ... DB application user APUSHSRVAG)<br />-----------------------------------------------------------------------------------------<br /><br />*** 2015-04-10 00:00:04.506<br />*** SESSION ID:(84.48937) 2015-04-10 00:00:04.506<br />*** CLIENT ID:() 2015-04-10 00:00:04.506<br />*** SERVICE NAME:(SYS$USERS) 2015-04-10 00:00:04.506<br />*** MODULE NAME:(JDBC Thin Client) 2015-04-10 00:00:04.506<br />*** CLIENT DRIVER:(jdbcthin) 2015-04-10 00:00:04.506<br />*** ACTION NAME:() 2015-04-10 00:00:04.506<br /> <br />*** 2015-04-10 00:00:04.506<br />DEADLOCK DETECTED ( ORA-00060 )<br />See Note 60.1 at My Oracle Support for Troubleshooting ORA-60 Errors<br />[Transaction Deadlock]<br /> <br />The following deadlock is not an ORACLE error. It is a<br />deadlock due to user error in the design of an application<br />or from issuing incorrect ad-hoc SQL. The following<br />information may aid in determining the deadlock:<br /> <br />Deadlock graph:</span> <span class="diffaddedchars" style="background-color:#ddfade;"> <br /></span> <span class="diffcontext"> ---------Blocker(s)-------- ---------Waiter(s)---------<br />Resource Name process session holds waits process session holds waits<br />TM-00013891-00000000-00000000-00000000 142 84 SX SSX 144 162 SX SSX<br />TM-00013891-00000000-00000000-00000000 144 162 SX SSX 142 84 SX SSX<br /> <br />Rows waited on:<br /> Session 84: no row<br /> Session 162: no row<br /> <br />----- Information for the OTHER waiting sessions -----<br />Session 162:<br /> sid: 162 ser: 54036 audsid: 10790094 user: 115/APUSHSRVAG<br /> flags: (0x41) USR/- flags_idl: (0x1) BSY/-/-/-/-/-<br /> flags2: (0x40009) -/-/INC<br /> pid: 144 O/S info: user: oracle, term: UNKNOWN, ospid: 11534420<br /> image: oracle@s16000ks<br /> client details:<br /> O/S info: user: jbotp, term: unknown, ospid: 1234<br /> machine: s1.sk.srv.acc.sys program: JDBC Thin Client<br /> application name: JDBC Thin Client, hash value=2546894660<br /> current SQL:<br /> delete from PUSHSRVAG.PushMessageInformation where submitDate<:1 <br /> <br />----- End of information for the OTHER waiting sessions -----<br /> <br />Information for THIS session:<br /> <br />----- Current SQL Statement for this session (sql_id=bsk109wpq55yg) -----<br />delete from PUSHSRVAG.PushMessageInformation where submitDate<:1 <br /></span>
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