High Scalability

FEBRUARY 17, 2021

Redis Server: 5.07, x86/64. MongoDB server: 4.4.2, BangDB server: 2.0.0, Workload C: Read only. The latency table is following for test C and since it was read only test hence there is no update latency figure here. However, user can run the bench for as many numbers as they practically find suitable. About YCSB.

Benchmarking 308

Benchmarking Latency C++ Database 308

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

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

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

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++ 90

C++ Open Source Servers Database 90

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++ 78

C++ Servers Benchmarking Best Practices 78

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++ 98

C++ Database Cache Storage 98

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++ 92

C++ Servers Open Source Database 92

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".

C++ 90

C++ Database Open Source Systems 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++ 97

C++ Servers Database Open Source 97

Percona

NOVEMBER 3, 2023

PostgreSQL Cluster One coordinator node citus-coord-01 Three worker nodes citus1 citus2 citus3 Hardware AWS Instance Ubuntu Server 20.04, SSD volume type 64-bit (x86) c5.xlarge And now, execute the benchmark: -- execute the following on the coordinator node pgbench -c 20 -j 3 -T 60 -P 3 pgbench The results are not pretty.

Database 102

Database Benchmarking Latency C++ 102

Scalegrid

JULY 13, 2020

The $47,500 licensing costs for Oracle Enterprise Edition is only for one CPU core, that ultimately has to be multiplied with the actual number of cores on the physical server. Objective C. . $104,310. Oracle does offer discounts on their pricing, where you can receive a 10% discount if you purchase online. SolarisUnix. JavaScript.

Open Source 244

Open Source Tuning C++ Database 244

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 73

Hardware C++ Database Open Source 73

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++ 68

C++ Servers Open Source Testing 68

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

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 78

Servers Database C++ Airlines 78

Percona

JUNE 5, 2023

The problem is you either don’t or can’t refactor your application servers; something, maybe, about not having enough time in the day. Scenario Configure the system such that Postgres resides on its default port of 5432 and PgBouncer sits on three ports, i.e., 6432, 6433, and 6433, accessing the resident Postgres server.

Database 119

Database Open Source Servers C++ 119

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 93

Database C++ Servers Open Source 93

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 74

Database Traffic C++ Servers 74

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 67

Open Source C++ Servers Database 67

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 88

Monitoring Tuning Metrics Servers 88

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

Percona

AUGUST 18, 2023

Why do you need multiple instances on the same server? You can have a host with two or three instances configured as a delayed replica of the source server with SQL Delay of, let’s say, 24hr, 12hr, and 6/3hrs. You can run multiple instances on a server to test your backups with the correct version and configs.

Programming 82

Programming Servers Database Hardware 82

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

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++ 75

C++ Open Source Servers Monitoring 75

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 114

Cache Website Energy Servers 114

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

Testsigma

APRIL 28, 2021

million apps available for download There are 2.87 million apps available for download on the Google Play Store 21% of Millennials open an app 50+ times per day. It supports Selenium WebDriver compatible programming languages- Java, C#, Python, etc. Selendroid-Standalone- It is used to install AUT and Selendroid Server.

Mobile 69

Mobile Testing Open Source Java 69

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

Percona

AUGUST 30, 2023

The most common parameter used by the PostgreSQL server (postmaster) will be PGDATA, which sets the parameter data_directory. Here is an example: $ export PGDATA=/home/postgres/data $ export PGPORT=5434 $ pg_ctl start waiting for server to start.2023-08-04 But changing this is possible only at the server startup.

Database 99

Database Servers Open Source Tuning 99

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

Smashing Magazine

JULY 20, 2022

The compression, in this case, seems to be on the server side, so you’ll get much faster results. compresses images on the server. In any case, none of the files get uploaded to the server. If you want to customize the compression or use larger files, you’ll have to get the Premium plan. Compressor.io Imagecompresser.com.

Media 134

Media Programming Mobile Website 134

Percona

OCTOBER 17, 2023

5/bin/mongod --replSet replset --dbpath /mongo_data/701_rs1/replset/rs1/db --logpath /mongo_data/701_rs1/replset/rs1/mongod.log --port 7001 --fork --keyFile /mongo_data/701_rs1/keyfile --wiredTigerCacheSizeGB 1 about to fork child process, waiting until server is ready for connections. Download Percona Distribution for MongoDB Today!

Metrics 98

Metrics C++ Storage Database 98