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聊聊storm的stream的分流与合并

序 本文主要研究一下storm的stream的分流与合并 实例 @Test public void testStreamSplitJoin() throws InvalidTopologyException, AuthorizationException, AlreadyAliveException { Topol...

2018/10/27 21:05
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聊聊sentinel的DefaultSlotsChainBuilder

序 本文主要研究一下sentinel的DefaultSlotsChainBuilder DefaultSlotsChainBuilder com/alibaba/csp/sentinel/slots/DefaultSlotsChainBuilder.java public class DefaultSlotsChainBuilde...

2018/08/22 11:26
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聊聊sentinel的FlowSlot

序 本文主要研究一下sentinel的FlowSlot FlowSlot com/alibaba/csp/sentinel/slots/block/flow/FlowSlot.java public class FlowSlot extends AbstractLinkedProcessorSlot<DefaultNode> { ...

2018/08/27 14:10
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聊聊sentinel的DegradeSlot

序 本文主要研究一下sentinel的DegradeSlot DegradeSlot com/alibaba/csp/sentinel/slots/block/degrade/DegradeSlot.java public class DegradeSlot extends AbstractLinkedProcessorSlot<...

2018/08/25 22:38
57
聊聊rocketmq的RollingFileAppender

序 本文主要研究一下rocketmq的RollingFileAppender RollingFileAppender org/apache/rocketmq/logging/inner/LoggingBuilder.java public static class RollingFileAppender extends FileA...

2018/08/10 11:00
10
聊聊Elasticsearch的JvmStats

序 本文主要研究一下Elasticsearch的JvmStats JvmStats elasticsearch-7.0.1/server/src/main/java/org/elasticsearch/monitor/jvm/JvmStats.java public class JvmStats implements Writeab...

05/25 21:23
10
聊聊flink Table的Over Windows

序 本文主要研究一下flink Table的Over Windows 实例 Table table = input .window([OverWindow w].as("w")) // define over window with alias w .select("a, b.sum over w, c.min over w"...

01/27 11:53
37
聊聊sentinel的StatisticSlot

序 本文主要研究一下sentinel的StatisticSlot StatisticSlot com/alibaba/csp/sentinel/slots/statistic/StatisticSlot.java public class StatisticSlot extends AbstractLinkedProcessorS...

2018/08/23 14:13
35
聊聊storm的WindowedBolt

序 本文主要研究一下storm的WindowedBolt 实例 @Test public void testSlidingTupleTsTopology() throws InvalidTopologyException, AuthorizationException, AlreadyAliveException { Topo...

2018/10/24 10:16
15
聊聊spring data jpa的OpenSessionInView

序 本文主要研究一下spring data jpa的OpenSessionInView Open Session In View Open Session In View简称OSIV,是为了解决在mvc的controller中使用了hibernate的lazy load的属性时没有sessi...

reactor-rabbitmq小试牛刀

序 本文主要研究一下如何使用reactor-rabbitmq maven <dependency> <groupId>io.projectreactor.rabbitmq</groupId> <artifactId>reactor-rabbitmq</artifactId> <......

2018/10/06 08:18
52
聊聊Elasticsearch的Iterables

序 本文主要研究一下Elasticsearch的Iterables Iterables elasticsearch-7.0.1/server/src/main/java/org/elasticsearch/common/util/iterable/Iterables.java public class Iterables { pub...

06/06 22:59
5
聊聊eureka的renewal

序 本文主要研究下eureka的renewal client eureka client在实例化的时候注册了一个定时任务,每隔renewalIntervalInSecs,向eureka server发送一次renewal。具体详见聊聊eureka client的Hea...

2018/05/14 21:42
119
聊聊sentinel的AuthoritySlot

序 本文主要研究一下sentinel的AuthoritySlot AuthoritySlot com/alibaba/csp/sentinel/slots/block/authority/AuthoritySlot.java public class AuthoritySlot extends AbstractLinkedProc...

2018/08/24 10:12
44
sentinel自定义DataSource实战

序 本文主要研究一下如何自定义sentinel的DataSource,这里以jdbc为例。 maven <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter-sentinel</a...

2018/08/19 22:51
113
聊聊spring cloud的EurekaServerInitializerConfiguration

序 本文主要研究一下spring cloud的EurekaServerInitializerConfiguration EurekaServerInitializerConfiguration spring-cloud-netflix-eureka-server-2.0.0.RC1-sources.jar!/org/springf...

2018/05/11 09:18
30
聊聊storm TridentBoltExecutor的finishBatch方法

序 本文主要研究一下storm TridentBoltExecutor的finishBatch方法 MasterBatchCoordinator.nextTuple storm-core-1.2.2-sources.jar!/org/apache/storm/trident/topology/MasterBatchCoordi...

2018/11/16 15:12
12
聊聊Elasticsearch的AtomicArray

序 本文主要研究一下Elasticsearch的AtomicArray AtomicArray elasticsearch-7.0.1/server/src/main/java/org/elasticsearch/common/util/concurrent/AtomicArray.java public class AtomicA...

聊聊elasticsearch的ElectMasterService

序 本文主要研究一下elasticsearch的ElectMasterService ElectMasterService elasticsearch-7.0.1/server/src/main/java/org/elasticsearch/discovery/zen/ElectMasterService.java public c...

05/12 21:48
12
聊聊sentinel的SystemSlot

序 本文主要研究一下sentinel的SystemSlot SystemSlot sentinel-core/src/main/java/com/alibaba/csp/sentinel/slots/system/SystemSlot.java public class SystemSlot extends AbstractLin...

2018/09/04 17:00
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