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生成实时凭证
1、CreateVoucher中将待生成单据 写到日志及接口单1.1 FipMessageService.sendMessages(messagevos, false); 1.2 this.sendSumMessages(messagevos); //1.1 调用Fip接口FipMessageService.sendMessages(messagev
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NC 补丁源码编译
E:\nccode\nc56\modules\gl>d:\sun\sdk\jdk\bin\javac -verbose -classpath E:\nccode\nc56\modules\gl\lib\pubgl.jar;E:\nccode\nc56\external\lib\basic.jar nc\bs\gl\pubinterface\IVoucherSign.java[解析开始时...
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SQL SERVER 使用JDBC 严重锁问题
sql server 加锁范围与执行计划相关，因此错误的执行计划将导致加锁范围被扩大，进而导致严重的锁等待问题，甚至出现大量的死锁 ...
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11G 新的jdbc driver readme 标记了一些性能相关的bug
标记了一些影响性能的bugOracle JDBC Drivers release 11.1.0.7.0 - Production README========================================================== What Is New In This Release ?-----------------------------...
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jdbc row-prefetch 导致内存溢出
程序员反映说读取一个大对象时内存溢出故障现象是在rs.execute时就已经溢出了，还没到rs.getblob什么的之前分析jdbc时知道jdbc有fetch size，想到可能还会有prefetch让程序员设置相关jdbc参数再试，果然如此记录...
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特殊的游标泄漏问题
[php] con = DriverManager.getConnection(url);//获取数据库的元数据 dma =con.getMetaData();//将数据库中的表的名称转储出来 &nb...
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Avoiding fragmentation for ibm jvm
For a large Java? application, such as WebSphere? Application Server, the default kCluster space (for an introduction to kCluster, see Pinned clusters) might not be sufficient to allocate all classblo...
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Some basic heap sizing problems of ibm jvm
For the majority of applications, the default settings work well. The heap expands until it reaches a steady state, then remains in that state, which should give a heap occupancy (the amount of...
