The Netflix TechBlog

NOVEMBER 11, 2022

These services allow users to stream or download content across a broad category of devices including mobile phones, laptops, and televisions. However, some restrictions are in place, such as the number of active devices, the number of streams, and the number of downloaded titles. You can find more technical details in our paper here.

C++ 312

C++ Metrics Tuning Strategy 312

Sutter's Mill

MARCH 11, 2024

To talk about C++’s current safety problems and solutions well, I need to include the context of the broad landscape of security and safety threats facing all software. tl;dr: I don’t want C++ to limit what I can express efficiently. tl;dr: I don’t want C++ to limit what I can express efficiently. issues with C++.

C++ 139

C++ Programming Code Java 139

Percona

DECEMBER 7, 2023

Ensuring the security and resilience of your data hinges on having a robust backup strategy, and Percona XtraBackup (PXB), our open source backup solution for all versions of MySQL, is designed to make backups a seamless procedure without disrupting the performance of your server in a production environment. Percona XtraBackup 8.1

C++ 94

C++ Open Source Servers Database 94

Percona

JULY 19, 2023

Well, “easy” if you know just a tiny bit of C++. Our function will implement a ULID generator using a C++ library from ChrisBove/ulid. Creating the build environment The first step is downloading the source code to MySQL / Percona Server for MySQL 8.0.32 , then extracting the tarball. $ Plugin compiled.

C++ 81

C++ Servers Benchmarking Best Practices 81

Percona

SEPTEMBER 29, 2023

This is a global and dynamic variable, and we can set this mode when the server is running. sec) If you try to connect the DB with app_user when offline_mode=1 , it will not allow the connections and get an error message that the server is currently in offline mode. But by using this mode, we can avoid the new connections.

C++ 96

C++ Servers Open Source Database 96

SQL Server According to Bob

APRIL 24, 2018

I also started my career developing on UNIX systems with C++ and databases like Ingres. When I joined Microsoft in 1993, I would embark on a 25 year journey working only on Windows laptops and Windows Server computers. Last October we released SQL Server 2017 including support for Linux and Docker Containers.

Servers 40

Servers Internet Internet Open Source 40

Scalegrid

JANUARY 19, 2024

Recovering from a MongoDB rollback involves locating rollback files, using mongorestore to load data into a separate server, cleansing unneeded data, and importing the data back into the primary cluster, coupled with ongoing monitoring and maintenance of replica sets to maintain system health.

Database 130

Database Network Servers Monitoring 130

Percona

JANUARY 25, 2023

We also have two stats table features present in Percona Server for MySQL and MySQL Community versions as follows: User Statistics Sys-schema-table-statistics User Statistics: We have another way to identify the active databases, users, and other information in Percona Server for MySQL (and MariaDB).

Database 97

Database C++ Servers Open Source 97

Scalegrid

JUNE 18, 2019

In this blog, we’ll show you how to connect to a MongoDB server configured with self-signed certificates for SSL using both the Ruby MongoDB driver and the popular Object-Document-Mapper (ODM) mongoid. Servers provided as seeds that do # not belong to this replica set will be ignored. Whether to connect to the servers via ssl.

C++ 100

C++ Servers Database Network 100

Percona

DECEMBER 5, 2022

This functionality is available in the free, open source Audit Plugin that is included in Percona Server for MySQL. The prerequisite for installing Percona’s Audit Log Plugin is to first install Percona Server for MySQL. Percona Server for MySQL is a drop-in replacement for MySQL. Type 'c' to clear the current input statement.

Open Source 68

Open Source C++ Servers Database 68

Percona

NOVEMBER 9, 2023

With this data, we’ll be able to better understand and tune our Postgres servers. The main idea is to be able to easily detect what the server is doing at any point in time so we can better understand how it reacts to the workload and tune accordingly. Download Percona Monitoring and Management Today

Monitoring 91

Monitoring Tuning Metrics Servers 91

Percona

JUNE 28, 2023

C It fails, as it should. sandbox server started At this point, notice that from node1, you have: $./sandboxes/pxc_msb_8_0_31/node1/use C It fails? Download Percona XtraDB Cluster today With dbdeployer, this will translate to: $./sandboxes/pxc_msb_8_0_31/node1/stop sed -i 's/safe_to_bootstrap: 0/safe_to_bootstrap: 1/'./sandboxes/pxc_msb_8_0_31/node1/data/grastate.dat

C++ 78

C++ Open Source Servers Monitoring 78

SQL Performance

JULY 27, 2021

Continuing my series of articles on latches, this time I’m going to discuss the DBCC_OBJECT_METADATA latch and show how it can be a major bottleneck for consistency checks prior to SQL Server 2016 under certain circumstances. But remember, this bottleneck only happens for versions of SQL Server earlier than SQL Server 2016.

C++ 54

C++ Servers Database Code 54

SQL Performance

MAY 11, 2022

You can download the source code to create and populate this database here. I ran all the examples on SQL Server ® 2019 Developer, where batch-mode on rowstore is available. SQL Server doesn't currently support an efficient combination of a parallel order-preserving input prior to a parallel batch-mode Window Aggregate operator.

C++ 133

C++ Database Servers Code 133

Percona

JUNE 4, 2023

In this blog, we’ll provide a comparison between MariaDB vs. MySQL (including Percona Server for MySQL ). Introduction: MariaDB vs. MySQL The goal of this blog post is to evaluate, at a higher level, MariaDB vs. MySQL vs. Percona Server for MySQL side-by-side to better inform the decision making process.

Open Source 52

Open Source Servers Storage Scalability 52

HammerDB

NOVEMBER 22, 2021

usr/bin/install -c -m 644./pg_stat_statements--1.4.sql./pg_stat_statements--1.8--1.9.sql./pg_stat_statements--1.7--1.8.sql./pg_stat_statements--1.6--1.7.sql./pg_stat_statements--1.5--1.6.sql./pg_stat_statements--1.4--1.5.sql. include/server -I/opt/postgresql-14.1/include/internal include/internal -D_GNU_SOURCE -c -o pgsentinel.o

Metrics 62

Metrics Benchmarking C++ Database 62

Percona

APRIL 17, 2023

DD_SITE="datadoghq.eu" bash -c "$(curl -L [link] After execution, I can see the logs of Datadog agent installation and configuration and at the end: Installed: datadog-agent.x86_64 1:7.43.1-1 By clicking on pmm.mysql_up metric, I can confirm that data are collected for all three MySQL servers added to the PMM. 1 Complete!

Monitoring 71

Monitoring Metrics Database Open Source 71

CSS Wizardry

OCTOBER 16, 2023

Concatenating our files on the server: Are we going to send many smaller files, or are we going to send one monolithic file? Concatenate Concatenation is probably the trickiest bit to get right because, even though the three C s happen in order, decisions we make later will influence decisions we make back here. Back in the HTTP/1.1

Cache 291

Cache Latency Strategy Speed 291

Percona

OCTOBER 2, 2023

Percona Toolkit is a collection of advanced open source command-line tools, developed and used by the Percona technical staff, that are engineered to perform a variety of MySQL, MariaDB, MongoDB, and PostgreSQL server and system tasks that are too difficult or complex to perform manually. pt-summary --user=root [?2004l# virtual = 2.2G

Cache 100

Cache Database Virtualization Servers 100

Testsigma

APRIL 23, 2021

It also supports the testing of native, hybrid, and mobile web apps across various programming languages like Java, Ruby, C#, Javascript, PHP, Python. It’s a cross-platform tool and comes with a GUI wrapper around the Appium server that lets us download it for pretty much every platform.

Testing Tools 86

Testing Tools Mobile Testing Open Source 86

Testlodge

MARCH 15, 2023

White Box Testing Tools Coverage and Path Testing Tools The following tools are generally open source and historically would have been downloaded and installed in a development or testing environment. With the rise of CI servers and GitHub actions, these tools have evolved to analyze the code whenever it is committed to a central repository.

Testing 83

Testing Testing Tools Java Programming 83

Smashing Magazine

JUNE 18, 2020

Flutter isn’t that, though: it runs natively on each platform, and it means each app runs just like it would run if it were written in Java/Kotlin or Objective-C/Swift on Android and iOS, pretty much. Those aren’t accessible by JS and are sent only to your server. Does that mean your JWT has to be out in the open? No, not at all.

Storage 93

Storage Mobile Website Java 93

O'Reilly

DECEMBER 12, 2023

OpenAI won’t give him the GPT models, but he can download the model for Meta’s Llama-2 and have at it.) It may not be possible if you use a generative model configured as a chat server by itself. Martin thinks that if he searched through the trillion or so parameters of GPT-4, he’d find the text to his novels. We have provenance.

Artificial Intelligence 99

Artificial Intelligence Media Google Processing 99

Percona

APRIL 3, 2023

oid_test" SET WITHOUT OIDS; ALTER TABLE postgres=# c abs_test You are now connected to database "abs_test" as user "postgres". craft" SET WITHOUT OIDS; ALTER TABLE "public"."ports" ALTER TABLE "public"."oid_test" oid_test" SET WITHOUT OIDS; (1 row) Now we can execute the DDL to ALTER these tables. postgres=# ALTER TABLE "public"."oid_test"

C++ 102

C++ Database Cache Storage 102

HammerDB

MAY 26, 2022

HammerDB already provides pre-compiled packages from the download page so if you want to run HammerDB without building it then these packages are all you need. You may want to become familiar with all the underlying source code in C or wish to build a distribution where you can verify every single line of source code that goes into HammerDB.

C++ 113

C++ Database Open Source Servers 113

SQL Server According to Bob

DECEMBER 18, 2018

SQL Server relies on Forced-Unit-Access (Fua) I/O subsystem capabilities to provide data durability, detailed in the following documents: SQL Server 2000 I/O Basic and SQL Server I/O Basics, Chapter 2. Be sure to deploy SQL Server 2017 CU6 or newer for best data durability and performance results. “. The Back Story.

Servers 90

Servers Media Cache Storage 90

Percona

MAY 8, 2023

Lab environment – The lab environment contains below servers: One primary and two replicas running on Postgres version 12 One server running on PostgreSQL version 15 Server Details IP Address PostgreSQL Version Primary 10.0.0.25 The publication is now ready to replicate changes made to table1 on the primary server.

C++ 100

C++ Servers Database Open Source 100

Percona

DECEMBER 15, 2023

In PostgreSQL 15 and older versions postgres=#CREATE ROLE Alice CREATEROLE LOGIN; CREATE ROLE postgres=# CREATE role bob; CREATE ROLE postgres=# du bob List of roles Role name | Attributes | Member of --+ --+ -- bob | Cannot login | {} postgres=# c postgres alice You are now connected to database "postgres" as user "alice".

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C++ Database Open Source Systems 94

Percona

DECEMBER 29, 2023

These connections can accumulate, eventually exhausting server resources and causing the system to become unresponsive. Pressure builds up, and DBAs give up in most cases and allow settings that the database server cannot accommodate. The point forgotten is that c onnections are owned by clients but maintained by a database.

Servers 81

Servers Database C++ Airlines 81

Tim Kadlec

FEBRUARY 7, 2010

That compressed the images which I then downloaded to my computer and then promptly pushed right back up to the server. Without any of these optimizations, my YSlow grade was a C and my page size was about 150K. Then, I decided to optimize the images (what few there are). I ran Smush.It from the YSlow tool in Firefox.

Performance 40

Performance Cache C++ Speed 40

Percona

DECEMBER 5, 2023

Inspired by David’s insights, I embarked on a journey to explore logical replication from a different perspective – within the realm of on-premises server databases. Enough disk space on the same server to fit one more database of the same size; the target database can also be hosted on another server to avoid the write load.

Database 77

Database Traffic C++ Servers 77

Percona

JUNE 26, 2023

To restore, we can follow either of below approaches: If the standby server is there and the issue does not persist on that, then we can fix the issue by taking logical backup from the standby server, dropping the table on primary, and recreating it using the backup taken. Download Percona Distribution for PostgreSQL Today!

Hardware 76

Hardware C++ Database Open Source 76

HammerDB

JUNE 27, 2022

HammerDB maintains a web page under the stats link where the number of downloads can be tracked. HammerDB supports 2 workloads derived from TPC specifications to test these different requirements, namely TPROC-C derived from TPC-C for OLTP and TPROC-H derived from TPC-H for OLAP. Usage and industry adoption. Supported Databases.

Benchmarking 62

Benchmarking Open Source C++ Cache 62

Smashing Magazine

JULY 18, 2022

Segmented Rendering is a new pattern for the Jamstack that lets you personalize content statically, without any sort of client-side rendering or per-request Server-Side Rendering. Like other similar UI libraries, React provides two ways of rendering content: client-side and server-side. There was something he wanted to C.";

Cache 115

Cache Website Energy Servers 115

Percona

AUGUST 21, 2023

While trying to be as complete yet succinct as possible, I’m detailing how to enable TLS between a PostgreSQL and the OpenLDAP server. Username accounts, but not passwords, are created on the Postgres server. Both username accounts and passwords are configured on the LDAP server. 0 ldap ldapserver=127.0.0.1

C++ 71

C++ Servers Open Source Testing 71

Smashing Magazine

AUGUST 9, 2021

It was heralded as an amazing performance revolution, with exciting new features such as server push, parallel streams, and prioritization. We would have been able to stop bundling resources, stop sharding our resources across multiple servers, and heavily streamline the page-loading process. In older versions of TLS (say, version 1.2

Transportation 145

Transportation Internet Internet Network 145

Smashing Magazine

JULY 16, 2019

A few caveats before we begin: Data scraping involves increasing the server load for the site that you’re scraping, which means a higher cost for the companies hosting the site and a lower quality experience for other users of that site. They also provide downloadable datasets so people can process the data on their own machines.

Scalability 87

Scalability Website C++ Servers 87