本文为摘录(或转载)，侵删，原文为： attachments/pdf/f/p1714-kossmann.pdf

对目前的架构来讲，和 粗糙索引 作用重叠。。

1 ABSTRACT

• ARF: Adaptive Range Filter, 自适应范围过滤器
• ARF is for Range queries, while
• BloomFilter is for Point queries

2 INTRODUCTION

3 APPLICATION EXAMPLE

3.1 Project Siberia

• Siberia 是 Hekaton 项目用于管理冷数据的一个项目
  • Hekaton 则是 SQL Server 套件中的内存数据库

• 查询处理

本文为摘录(或转载)，侵删，原文为： https://www.cppstories.com/2017/01/cpp17features/

1 Language Features

1.1 New auto rules for direct-list-initialization

1.2 static_assert with no message

static_assert() 可以不用再写 message 了， 类似 C assert

本文为摘录(或转载)，侵删，原文为： ../pdf/5/p3411-chen.pdf

本文为摘录(或转载)，侵删，原文为： attachments/pdf/2/p752-zhu.pdf

1 ABSTRACT

• we compare the effectiveness of CardEst methods in a real DBMS

• We establish a new benchmark for CardEst, which:

  • contains a new complex realworld dataset STATS and
  • a diverse query workload STATS-CEB.

• We integrate multiple most representative CardEst methods into PostgreSQL,

1 Threads (Tasks (threads) versus processes)

cgroup v1 可以单独操作进程中的线程, man cgroups :

In cgroups v1, a distinction is drawn between processes and tasks. In this view, a process can con‐ sist of multiple tasks (more commonly called threads, from a user-space perspective, and called such in the remainder of this man page). In cgroups v1, it is possible to independently manipulate the cgroup memberships of the threads in a process.

本文为摘录(或转载)，侵删，原文为： attachments/pdf/1/p3058-liakos.pdf

1 ABSTRACT

• 时序数据难以高效存储，导致存储代价高昂。