limited being rate 429
Doris-BE节点集体挂掉问题排查
背景 7月14版本上线,7月16日doris集群BE节点短时间内陆续挂掉,暂时重启解决,7月17日周一上班,BE节点开始反复挂掉影响使用 问题定位: 1、查看doris BE节点日志 be.out日志如下所示,由第7行(doris::PlanFragmentExecutor)可看出是因为sql执行引 ......
Kubernetes——查询并导出业务deployment/statefulset的request.cpu、request.mem和limit.cpu和limit.mem资源
Kubernetes——查询并导出业务deployment/statefulset的request.cpu、request.mem和limit.cpu和limit.mem资源 一、计算逻辑 针对单个pod里只有单个docker的计算逻辑: CPU_Limit = c0.resources.limit ......
解决 Https 站点请求 Http 接口服务后报 the content must be served over HTTPS 错误的问题
之前将自己所有的 `Http` 站点全部更新为 `Https` 站点,但是在请求后台接口服务的时候还是 `Http` 请求,导致部署之后,直接在控制台报 `This request has been blocked; the content must be served over HTTPS;` 的... ......
理解ASP.NET Core - 限流(Rate Limiting)
> 注:本文隶属于《理解ASP.NET Core》系列文章,请查看置顶博客或[点击此处查看全文目录](https://www.cnblogs.com/xiaoxiaotank/p/15185288.html) # 概述 在微服务化的架构设计中,网关扮演着重要的看门人角色,它所提供的功能之一就是**限 ......
configure: WARNING: expat is missing or unusable; some features may be unavailable.
001、问题:configure: WARNING: expat is missing or unusable; some features may be unavailable. 002、解决方法 [root@PC1 gdb-13.2]# yum install expat-devel 003、验 ......
Kubernetes——查询并导出业务deployment/statefulset的request.cpu、request.mem和limit.cpu和limit.mem资源
查询并导出业务deployment/statefulset的request.cpu、request.mem和limit.cpu和limit.mem资源 #!/bin/bash # Retrieve all namespaces (excluding default, kube-system, and ......
Educational Codeforces Round 33 (Rated for Div. 2)
# Educational Codeforces Round 33 (Rated for Div. 2) https://codeforces.com/contest/893 昨日vp,今日补完F D贪心,思路值得学习; E组合数学推式子,式子不难,关键在于模型抽象 F主席树,调了老半天,关键在于要 ......
Educational Codeforces Round 137 (Rated for Div. 2)
Educational Codeforces Round 137 (Rated for Div. 2) A. Password void solve(){ int n=read(); for(int i=1;i<=n;i++)int x=read(); cout<<combination(10-n, ......
Atcoder Regular Contest 118 F - Growth Rate
想到插值其实就挺套路的了吧…… 设 $dp_{i,j}$ 表示有多少种方法确定 $a_i\sim a_n$ 使得 $a_i=j$。那么有 $dp_{i,j}=\sum\limits_{k\ge ja_i}dp_{i+1,k}$。边界条件是 $dp_{n+1,1\sim m}=1$。不难发现复杂度与值 ......
mongodb报错Sort exceeded memory limit of 104857600 bytes
mongodb运行过程中,遇到错误信息: 2023-07-14T09:29:33.853 ERR Failed to QueryBsPoolUnivStat error="(QueryExceededMemoryLimitNoDiskUseAllowed) Executor error during ......
Educational Codeforces Round 151 (Rated for Div. 2)
[D. Rating System](https://codeforces.com/problemset/problem/1845/D) **题目大意** 玩家的初始积分为0,该玩家连续进行$n$场比赛,每场比赛可升高或降低玩家的积分($a_i$)。你可以设置一个$k$值,比赛过程中玩家的积分不会低 ......
1845D - Rating System
Problem - 1845D - Codeforces Rating System - 洛谷 | 计算机科学教育新生态 (luogu.com.cn) 题意可以去洛谷看一下。 没带苏菲狗,鼠标手画。属实抱歉 我们可以看到这个最后的等级是这样计算的,直到它第一次到k只是一个前缀和,在达到k之后,出现一 ......
Educational Codeforces Round 96 (Rated for Div. 2)E
You are given a string s. You have to reverse it — that is, the first letter should become equal to the last letter before the reversal, the second le ......
Android studio 安装应用出现 The application could not be installed: INSTALL_FAILED_USER_RESTRICTED 错误
### 错误详情 ``` Installation did not succeed. The application could not be installed: INSTALL_FAILED_USER_RESTRICTED List of apks: [0] '/Users/topjoy/git ......
anolis 8.8 (CentOS 8) yum update error: Problem 1: package mod_ssl-1:2.4.37-56.0.1.module+an8.8.0+11061+87142f8c.6.x86_64 requires , but none of the providers can be installed
#yum update error message: Problem 1: package mod_ssl-1:2.4.37-56.0.1.module+an8.8.0+11061+87142f8c.6.x86_64 requires httpd = 2.4.37-56.0.1.module+an8 ......
js/ts文件中,导入i18n报错:Must be called at the top of a `setup` function
import { useI18n } from 'vue-i18n'; const { t } = useI18n(); 会在非组件情况下报错: 此时我们需要将上述导入方式改为: import i18n from '@/lang/i18n';//@/lang/i18n为语言包位置 const { t ......
记录一次Doris的BE启动失败的问题
启动 be的时候出现job aborted; 查看日志 be.WARNNING,发现有下面的bug, W0708 01:33:16.123397 9919 cidr.cpp:75] wrong CIDR IP value. network= F0708 01:33:16.123462 9919 ba ......
CodeTON Round 5 (Div. 1 + Div. 2, Rated, Prizes!) A-E
[比赛链接](https://codeforces.com/contest/1842) # A ## 代码 ```c++ #include using namespace std; using ll = long long; bool solve() { int n, m; cin >> n >> ......
Educational Codeforces Round 151 (Rated for Div. 2) D. Rating System
贪心 由题可得,对于k的选择一定是单调递增的,对于前面选定的k后面选的k必须大于之前选的才会发生新的变化,因此k的选择其实是一个单调栈,由前缀和组成 我们要想最后的结果最大,则k值一定要尽可能的高,例如当选中i为k值时,如果从i后面某个原本的前缀和要大于选k之后所得到的前缀和的话,说明k不是最优的 ......
Educational Codeforces Round 151 (Rated for Div. 2) C. Strong Password
题目翻译,给定t组数据,每组数据包含一个字符串s,两个长度为m的字符串l和r,要求判断是否存在一个长度为m的字符串res,满足l[i]<=res[i]<=r[i](i->0~m)且不是s的子序列 贪心 首先对于所有满足l<res<r的字符串,我们只需判断是否存在一个字符串不是子序列即可,那么我们让r ......
麒麟V10安装好MySQL后报错Unit mysql.service could not be found
导言:这个错误消息表示系统中找不到名为"mysql.service"的服务单元,通常意味着MySQL数据库服务器未正确安装或已卸载.。 1.检查MySQL是否已正确安装: 确认已经按照正确的方式安装了MySQL数据库服务器,可以参考MySQL官方文档或其他安装指南来确保正确安装。 2.检查服务名称: ......
git提示“warning: LF will be replaced by CRLF”(转载)
一、发现问题 windows平台下使用git add,git deploy 文件时经常出现“warning: LF will be replaced by CRLF” 的提示。 网上很多解决办法提到: 设置core.autocrlf=false,windows也用LF换行。 二、分析问题 格式化与多 ......
【Azure App Service for Windows】 PHP应用出现500 : The page cannot be displayed because an internal server error has occurred. 错误
[500 The page cannot be displayed because an internal server error has occurred.]
[scriptProcessor could not be found in "fastCGI" application config... ......
CodeTON Round 5 (Div. 1 + Div. 2, Rated, Prizes!)
# Preface 补题,不得不说一边晒太阳一边想题目真的纯在折磨,眼睛要被反光晃瞎了 这场ABCD和F都比较简单,E的话一个关键性质想到了但统计的时候棋差一招,G的话就是纯纯的巧妙,后面两题没看 总体来说这场质量极高,可惜和考试周冲突了没法现场打的说 (不过题目都是**丁真**题狠狠地好评) # ......
go-zero 源码——syncx/limit
rtfsc: read the fucking source code 以下为源码注释: ```go package syncx import ( "errors" "github.com/zeromicro/go-zero/core/lang" ) /** * [rtfsc] * 主题: limi ......
Loops should be simplified with "LINQ" expressions
Loops should be simplified with "LINQ" expressions Why is this an issue? When a loop is filtering, selecting or aggregating, those functions can be ha ......
Variable 'xxxx' is accessed from within inner class, needs to be final or effectively final-Lambda 表达式的变量与作用域
#### 问题的原因 问题代码: ``` public static void main(String[] args) { Integer sum = 0; Integer count = 0; List list = new ArrayList(Arrays.asList(1,2,3,4,5)); ......
Educational Codeforces Round 151 (Rated for Div. 2) A-D
# A ## 代码 ```c++ #include using namespace std; using ll = long long; bool solve() { int n, k, x; cin >> n >> k >> x; if (x != 1) { cout = 3) { if (k > ......
删除Docker镜像报错 image is being used by stopped container ae8f224fe0e1
该报错原因是因为镜像被其他容器引用 1.查询所有容器 包括未运行的 docker ps -a 2. 删除容器 docker rm 5573214dd069 3.删除镜像 docker rmi 9c7a54a9a43c ......
OutOfMemoryError: Java heap space/GC overhead limit exceeded 内存溢出问题排查
一、背景 我开发的给产线使用的工具时不时就无法登录,查看日志基本上都是内存溢出,查看实际内存基本上都占满了JVM设置的内存大小 导致的现象就是SpringBoot项目无法登录,导致系统不可用。 下面是我的java启动设置。 javaw -Xmx6G -XX:+HeapDumpOnOutOfMemor ......