必须要实现一个append方法,这个方法就是logback输出日志的地方,日志都保存在eventObject对象中,我们只需要获取对象里的值并做自己的处理即可。 我们可以想象为,系统的ConsoleAppender就是不停的System.out.print(eventObject.getXXX),而FileAppender就是用OutpuptStream输出到文件里。 我们要做的就是把日志保存到mongo里...
在akka-alpakka工具包里也提供了对MongoDB的stream-connector,能针对MongoDB数据库进行streaming操作。这个MongoDB-connector里包含了MongoSource,MongoFlow,MongoSink。我们只使用MongoSource,其它两个我们直接用mapAsyc来创造。下面是MongoSource的定义: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 复制 object Mon...
打开change stream游标。 在change stream游标上运行explain命令。 版本7.1 中的新增内容。 metrics.commands 报告数据库命令使用情况的文档。metrics.commands 中的字段是数据库命令的名称。对于每个命令,serverStatus 都会报告执行的总次数和执行失败的次数。 metrics.commands 包括replSetStepDownWithForce (即带有 force...
BufferedInputStream bis = null; GZIPOutputStream gzos = null; //读取tmp文件输出到归档文件 try { bis = new BufferedInputStream(new FileInputStream(nameOfFile2gz)); gzos = new GZIPOutputStream(new FileOutputStream(nameOfgzedFile)); byte[] inbuf = new byte[BUFFER_SIZE]; int n; while ((n =...
"com.lightbend.akka" %% "akka-stream-alpakka-cassandra" % "1.1.0", //for mongodb 4.0 "org.mongodb.scala" %% "mongo-scala-driver" % "2.6.0", "com.lightbend.akka" %% "akka-stream-alpakka-mongodb" % "1.1.0", "ch.qos.logback" % "logback-classic" % "1.2.3", "io.monix" %%...
打开change stream游标。 在change stream游标上运行explain命令。 版本7.1 中的新增内容。 metrics.commands 报告数据库命令使用情况的文档。metrics.commands 中的字段是数据库命令的名称。对于每个命令,serverStatus 都会报告执行的总次数和执行失败的次数。 metrics.commands 包括replSetStepDownWithForce (即带有 force...
If your Azure Cosmos DB account is used by other Azure services like Azure AI Search, or is accessed from Stream analytics or Power BI, you allow access by selecting Accept connections from within global Azure datacenters.To ensure that you have access to Azure Cosmos DB metrics from the ...
DescribeStream– Returns information about a stream, such as its Amazon Resource Name (ARN) and where your application can begin reading the first few stream records. GetShardIterator– Returns ashard iterator, which is a data structure that your application uses to retrieve the records from the...
I want to query something with SQL's like query: SELECT * FROM users WHERE name LIKE '%m%' How can I achieve the same in MongoDB? I can't find an operator for like in the documentation. sql mongodb mongodb-query sql-like Share Improve this question Follow edited May 11, 2021 ...
FileInputStream inputStram = new FileInputStream(file); //向GridFS存储文件 ObjectId objectId = gridFsTemplate.store(inputStram, "1.png", ""); //得到文件ID String fileId = objectId.toString(); //5fd46f5c3629763ad83f9b86 System.out.println(fileId); ...