Tag: startup

Feed: Planet PostgreSQL. I really love what Debian did to make Postgres administration tasks easier. However, when I was writting the article “What’s wrong with Postgres?", I found something unexpected in my Ubuntu server.I was trying to find Postgres logfile, so I tried postgres=# select pg_current_logfile(); pg_current_logfile -------------------- (1 row) But, I know that, by default, I’ll find my logs under /var/log/postgresql, and sure enough: [root@elinor] ll /var/log/postgresql/ drwxrwxr-t 2 root postgres 4096 Apr 4 13:08 ./ drwxrwxr-x 10 root syslog 4096 Apr 4 12:45 ../ -rw-r----- 1 postgres adm 563 Apr 4 13:08 postgresql-12-elinor.log So, how did my wrapper ... Read More

Feed: R-bloggers. Author: Kelly O'Briant. [This article was first published on RStudio Blog, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here) Want to share your content on R-bloggers? click here if you have a blog, or here if you don't. One of the biggest frustrations for a data scientist, whether your primary language is R or Python, is to have your hard work go underutilized. A stream of disposable reports, emails, and presentations that get viewed once and cast aside are not the ideal recipe for how to make an impact. To ... Read More

Feed: AWS Big Data Blog. Customers use Apache Hive with Amazon EMR to provide SQL-based access to petabytes of data stored on Amazon S3. Amazon EMR 6.0.0 adds support for Hive LLAP, providing an average performance speedup of 2x over EMR 5.29, with up to 10x improvement on individual Hive TPC-DS queries. This post shows you how to enable Hive LLAP, and outlines the performance gains we’ve observed using queries from the TPC-DS benchmark.Twice as fast compared to Amazon EMR 5.29.0 To evaluate the performance benefits of running Hive with Amazon EMR release 6.0.0, we’re using 70 TCP-DS queries with ... Read More

Feed: MariaDB Knowledge Base Article Feed. Author: . The events_transactions_history table contains the most recent completed transaction events for each thread. The number of records stored per thread in the table is determined by the performance_schema_events_transactions_history_size system variable, which is autosized on startup. If adding a completed transaction event would cause the table to exceed this limit, the oldest thread row is discarded. All of a thread's rows are discarded when the thread ends. The table contains the following columns: +---------------------------------+------------------------------------------------+------+-----+---------+-------+ | Field | Type | Null | Key | Default | Extra | +---------------------------------+------------------------------------------------+------+-----+---------+-------+ | THREAD_ID | bigint(20) unsigned ... Read More

Feed: CronJ. Author: keerti; Doctor Appointment booking application System is a system to provides patients or any customer an easy way of booking a doctor’s appointment online. It’s difficult for clinics to keep a written record of dates. The best doctor on-demand apps allow care providers to automate meeting scheduling. There’s no obligation to call a clinic and book the old system since everything can be made through an application. With doctor appointment app development, clinics will forever get informed about changes and keep track of patients coming to their approach. It acts as a bridge between the patient and ... Read More

Feed: MariaDB Knowledge Base Article Feed. Author: . MariaDB starting with 10.5.2The events_transactions_history_long table was introduced in MariaDB 10.5.2. The events_transactions_history_long table contains the most recent completed transaction events that have ended globally, across all threads. The number of records stored in the table is determined by the performance_schema_events_transactions_history_long_size system variable, which is autosized on startup. If adding a completed transaction would cause the table to exceed this limit, the oldest row, regardless of thread, is discarded. The table contains the following columns: +---------------------------------+------------------------------------------------+------+-----+---------+-------+ | Field | Type | Null | Key | Default | Extra | +---------------------------------+------------------------------------------------+------+-----+---------+-------+ | THREAD_ID ... Read More

Feed: All Oracle Press Releases. To support growing customer demand for enterprise cloud services in Canada, Oracle today announced a new Gen 2 Cloud region in Montreal. This follows the launch of its Toronto Cloud region last year, making Canada Oracle’s latest country offering dual cloud regions. The opening is part of Oracle’s global plans to operate 36 Generation 2 Cloud regions by the end of 2020. Now, Canadian customers and partners will have access to all Oracle Cloud services, including Oracle Autonomous Database and Oracle Autonomous Linux, as well as Oracle Cloud Applications, to unlock innovation and drive business ... Read More

Feed: Planet PostgreSQL. This is the second part of the topic, the more historical version is described in the previous part, and here is the vitality of wal in PostgreSQL which born replication、logical replication and more performance related configure, let’s continue to redo it. 1. Replication(V9.0) Replication is implemented here, and many corresponding GUC are added for replication. Corresponding to warm standby, replication can also be called hot standby, which helps to achieve the data synchronization using WAL record between the primary and the standby. Most GUCs appear as [GUC6] in the image, will not talk about all of them ... Read More

Feed: Planet PostgreSQL. This is my first blog in a series of SQL optimization blogs. So expect some basic information in here along with some nice insights. My aim is to help you walk through a complete process of understanding and optimizing queries for improved performance. A PostgreSQL server attempts to find the most effective way of building a result set for the query. The first step in that direction is the ability to understand what the “EXPLAIN” command is.  When a statement is sent to a PostgreSQL server for execution, it must decipher various parts of that query and ... Read More

Feed: Microsoft Azure Blog. Author: Michael Flanakin. Whether you're a new student, thriving startup, or the largest enterprise, you have financial constraints and you need to know what you're spending, where, and how to plan for the future. Nobody wants a surprise when it comes to the bill, and this is where Azure Cost Management + Billing comes in. We're always looking for ways to learn more about your challenges and how Azure Cost Management + Billing can help you better understand where you're accruing costs in the cloud, identify and prevent bad spending patterns, and optimize costs to empower ... Read More