Tag：index
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Time：2021-2-23
This article shares how to use ZABBIX and DPA tools (solarwinds database performance analyzer) to analyze and locate the problem of tempdb database size explosion of SQL server. Personal experience, there is no perfect monitoring tool, the so-called ruler has advantages, inch has short. The monitoring scheme should not rely on one tool. It […]
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Time：2021-2-23
Source: https://blog.51cto.com/yht199… Monitoring index Performance index Memory index: memory Basic activity index Persistence index: persistence Error indicator: error Monitoring mode redis-benchmark redis-stat redis-faina redislive redis-cli monitor showlog Get: get slow query log Len: get the number of slow query log entries Reset: reset the slow query log Related configuration: Slowlog log slower than 1000 # […]
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Time：2021-2-19
Re-thinking Co-Salient Object Detection Original document:https://www.yuque.com/lart/papers/feumut A recent review of cosod combs the methods in this field, proposes a data set, and further proposes a new method based on CVPR version CoSOD What is it? As a extension of this, co-salient object detection (CoSOD) emerged recently to employ a set of images. The goal of […]
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Time：2021-2-19
Author: Xu Yasong http://www.xuyasong.com/?p=1921 Monitoring system has a long history and is a very mature direction. Prometheus, as a new generation of open source monitoring system, has gradually become the de facto standard of cloud native system, which also proves that its design is very popular. This article mainly shares some problems and thoughts encountered […]
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Time：2021-2-15
Look directly at code understanding #!/usr/bin/python # -*- coding: utf-8 -*- a = “wry” b = “zjl” c = “xxx” print “a=%s, b=%s, c = %s” %(a,b,c) output a=wry, b=zjl, c = xxx reference resources:Formatter The format character reserves the position for the real value and controls the display format. The format character can contain […]
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Time：2021-2-12
The monitoring system is the most important part of the operation and maintenance system and even the whole software product life cycle. The perfect monitoring can help us find the fault in advance and trace the location problem quickly afterwards. In the cloud native architecture system represented by micro services, the system is divided into […]
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Time：2021-2-2
Source|Alibaba cloud official account preface In the distributed system architecture, there are many service components and complex dependencies between services. It is difficult to evaluate the impact of a single failure on the whole system, and the request link is long. If the basic services such as monitoring alarm and logging are not perfect, it […]
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Time：2021-1-24
Since kubernetes became the de facto standard in the field of container management, cloud based native is also based on kubernetes native. In the cloud system, the basic hardware is basically abstracted and fuzzed, and the frequency of hardware failure requiring human intervention is gradually decreasing. The provision of health check, failure self-healing, load balancing […]
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Time：2021-1-19
Open source project address: project address:https://github.com/ning1875/prome_shard Project description Single point problem of Prometheus Collection type Collect machine level indicators Collecting k8s basic monitoring indexes Collect VM business indicators deployed behind LB Collect business indicators deployed in pod Collect indicators of various middleware, such as Kafka ZK Clickhouse, etc Faced with such a complex collection type, […]
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Time：2021-1-9
1 random selector Pitfall index: 200 JQuery selector calls cost a lot and the efficiency of repeated calls is lower. The method of caching objects or chain call should be used. //Wrong way of writing $(“#button”).click(function(){ $(‘#list li’).addClass(‘strong’); $(‘#list li’).css(‘color’, ‘red’); }); //Correct writing $(“#button”).click(function(){ $lis = $(‘#list li’); $lis.addClass(‘strong’); $lis.css(‘color’, ‘red’); }); //A better […]
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Time：2021-1-8
What has VITU done in the past April? Vitu.AI The new version includes two important functions. One is the minute level spot back testing and simulation trading, which supports all trading pairs of coin an and poloniex; the other is the third channel of the community, ideas, which provides a place for everyone to observe […]
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Time：2020-12-22
Prometheus indicator type Counter CounterType represents an indicator of monotonically increasing sample data, i.e. only increase but not decrease, unless the monitoring system is reset. For example, promql can be used to analyze the change rate of the main function generated by HTTP. Get the growth rate of HTTP requests rate(http_requests_total[5m]) HTTP request address of […]
