Summarize the tutorial recommendations about dots

When I was working on two sets of AIX5.3+10.2.0.4 RAC recently, I couldn’t find the AIX Toolbox for Linux Applications for POWER Systems CD. For simplicity, I used RSH as the remote server. ​ ​​When I was working on two sets of AIX5.3+10.2.0.4 RAC recently, I couldn't find the AIX Toolbox for Linux Applications for POWER Systems CD. For simplicity, I used RSH as the remote node file copy method. After installing the database, I found that there was no information about the two nodes in EM, and the specific running status of the nodes could not be monitored. Restart EM. There is the following error log in emagent.trc: 2011-07-31 11:08:43 Thread-1902 ERROR ssl: nzos_Initialize failed, ret = 43061 2011-07-31 11:08:43 Thread-1902 ERR

1. Oracle 10G RAC EM cannot monitor node status

Introduction: When I was working on two sets of AIX5.3+10.2.0.4 RAC recently, I couldn’t find the AIX Toolbox for Linux Applications for POWER Systems CD. For simplicity, I used RSH as the remote server.

2. Solve the problem of dead nodes caused by HDFS disk scanning

Introduction: After the Hadoop cluster was upgraded from 1.0 to 2.0, we have been solving many, many problems. . In early August this year, we detected that machines frequently became dead nodes online and automatically recovered after a period of time. A DataNode that enters the dead node state will not be able to read or write data blocks. We observed the logs and saw that many lines for accepting fast data transmission were printed in the DataNode

3. Applying the Hadoop RPC framework to multi-node task scheduling

Introduction: In Hadoop, heartbeat communication is maintained between master and slave nodes, which is used to transmit node status information, task scheduling information, node action information, etc. The communication between the namenode and datanode of hdfs, the jobtracker and tasktracker of mapreduce, and the hmaster and regionserver of hbase are all based on hadoop RPC. Hadoop RPC is hadoop

4. Photoshop CS5 point shape brush to create colorful snowflakes

Introduction: The shape of the brush in this tutorial is still dotted. The soft feathering effect of the snowflakes in the production is actually produced by the blurring phenomenon caused by pixel amplification. As long as the Enlarging the brush shape to a certain extent can produce an elegant snowflake effect.

5. psEasy to create beautiful photo dotted borders

##Introduction: This tutorial is to share with friends of Script House a simple method of making beautiful photo dotted borders in PS. The tutorial is really good and the method is very simple. It is worth learning by everyone. I recommend it to Script House. , let’s learn together

6. javascript-TreeView parent-child linkage effect keeps the node status consistent_javascript skills

Introduction: javascript-TreeView parent-child linkage effect keeps the node status consistent

7. JS method to control the status display when the input box gains and loses focus_javascript skills

Introduction: This article mainly introduces the method of js controlling the state display when the input box gains and loses focus. It can realize the function of judging the focus state of the input box and setting different styles, which is very practical. For tips, friends who need them can refer to

##8.

Using canvas to achieve image filter effects with demonstration_html5 tutorial skills

Introduction: This is a dot-like grainy effect that appears when a simulated camera shoots a TV screen. Friends who are interested in research can try more effects. The code has not been optimized. It is just a rough Demo. Friends who like it can study it. Next

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