The primary objective of IT automation is to make processes related to infrastructure faster, more secure and error-free. Chef SaaS enables you to automate your IT infrastructure with the power of the cloud. Now, all your favorite Chef tools are available as SaaS. No setup hassles, no maintenance and no extra resources required. Read on to learn more.
The regressions discovered after release have now been resolved and this post has been updated with the correct plugin version numbers.
Introduction Perf is a profiler tool for Linux 2.6+ based systems that abstracts away CPU hardware differences in Linux performance measurements and presents a simple commandline interface. Perf is based on the perf_events interface exported by recent versions of the Linux kernel. This article demonstrates the perf tool through example runs. Output was obtained on a Ubuntu 11.04 system with kernel
Copyright © PostgreSQL Enterprise Consortium, All Rights Reserved. 大規模DBへの適用性が向上した PostgreSQL 9.5 の性能検証 2015年度活動成果報告 PostgreSQLエンタープライズ・コンソーシアム WG1(性能WG) Copyright © PostgreSQL Enterprise Consortium, All Rights Reserved. アジェンダ WG1(性能ワーキンググループ)のご紹介 活動領域と活動スタイル 活動テーマのご紹介 活動報告書のご案内 メンバー(参加企業) 活動報告 1. 定点観測/スケールアップ検証[参照系] 2. WAL改善/スケールアップ検証[更新系] 3. Parallel Vacuum 検証 4. BRIN Index 検証 5. OS
Hello my dear friends. In this article I will cover about setting up shared memory on Linux for PostgreSQL. What is shared memory? Shared memory is memory that may be simultaneously accessed by multiple programs with an intent to provide communication among them or avoid redundant copies. Shared memory is an efficient means of passing data between programs. Using memory for communication inside a
VP, Chief Database Scientist @ EnterpriseDB, PostgreSQL Major Contributor and Committer Have you ever had one of those annoying problems where a query, or some kind of maintenance task such as vacuum, seems to hang, without making any discernable foreign progress, basically forever? If it's a foreground task, you typically think to yourself "oh, that's taking longer than normal" - but then you st
Lately we've been seeing issues with zone reclaim mode on large memory multi processor NUMA linux systems. What's NUMA? It's just an acronym for Non-Uniform Memory Access. This means that some memory in your system is more expensive for a particular CPU to access than its "local" memory. You can see how much more distant the kernel considers the different zones by using the numactl command like
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