In Java, memory is divided into two main regions: Heap space and Stack memory. Each region serves a specific purpose and has different characteristics, making them crucial for managing memory during program execution. Heap Space: Purpose: Heap space is used for dynamic memory allocation and storag...
That is because your web application has a memory leak. A common issue are “PermGen” memory leaks. They happen because the Classloader (and the Class objects it loaded) cannot be recycled unless some requirements are met (). They are stored in the permanent heap generation by the JVM, a...
背景定位 在实际开发和运维中,我们可能会遇到内存溢出的问题,特别是当应用在处理大量数据时,Java 虚拟机(JVM)可能会抛出OutOfMemoryError。此时,创建堆转储(heap dump)以便后续分析至关重要。 以下是一个关于此类问题严重度的评估: quadrantChart title Memory Issue Severity Assessment x-axis User Impact y-axis T...
- NiFi loads the entire flow.json.gz (uncompressed it to heap memory). This includes any NiFi Templates (Deprecated in Apache NiFi 1.x and removed in newer Apache NiFi 2.x version). Templates should no longer be used. Any templates created which are listed in the NiFi templates UI should...
Capturing a JVM heap dump is one of the most widely used debugging techniques for troubleshooting memory issues in Java applications. It might be not that straight-forward when it comes to cloud services, but in Azure Container Apps, you can do a JVM heap dump easily...
Users of Red Hat JBoss Web Server might also want to set memory size on Red Hat OpenShift because it can help manage the resource in fine-grained. In order to change heap memory size of Red Hat JBoss Web Server, you can se...
有人遇到过Flink CDC这种类似的问题吗?拉全量的时候做checkpoint失败,checkpoint明明只有几k但是确报:java.lang.OutOfMemoryError: Java heap space 参考答案: 你的其他耗资源内存不足,报错地方随机吧。建议增大内存,减少数据库连接 关于本问题的更多回答可点击进行查看: ...
Actual behavior After changing the quarkus version to 3.17.2, java to version 21, and changing dependency "quarkus-resteasy" to "quarkus-rest-jackson", it is not possible to consume the same json body response with the same heap memory configurations. (Needed to raise Xmx from 300m to 2g)...
Memory Leak Suspect Report: Ask Can anyone help with this issue and let us know what the root cause could be? Steps to reproduce We set up java agent in our service docker image file: ADD https://github.com/aws-observability/aws-otel-java-instrumentation/releases/latest/download/aws-opentele...
——On Heap vs Off Heap Memory Usage - DZone Performance I was recently asked about the benefits and wisdom of using off heap memory in Java. The answers may be of interest to others facing the same choices. Off heap memory is nothing special. The thread stacks, application code, NIO bu...