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HammerDB CLI 101

HammerDB

This displays the available CLI commands with “help command” providing detailed information about the command and arguments required. This will show the benchmark options dialog. Benchmark Options. and benchmark set with the bm argument. In the CLI the print dict command shows us the available options.

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A MyRocks Use Case

Percona

The use case is the TPC-C benchmark but executed not on a high-end server but on a lower-spec virtual machine that is I/O limited like for example, with AWS EBS volumes. I decided to use a virtual machine with two CPU cores, four GB of memory, and storage limited to a maximum of 1000 IOPs of 16KB. MyRocks Vs InnoDB.

Storage 56
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CheriABI: enforcing valid pointer provenance and minimizing pointer privilege in the POSIX C run-time environment

The Morning Paper

The goal of all this of course is to prevent attackers injecting, manipulating or abusing pointers in the runtime environment. The work includes changes to the CHERI ISA, the C compiler, the C language runtime, the virtual memory APIs, and the CheriBSD kernel. For a macro-benchmark PostgreSQL’s initdb tool was used. slower to 9.8%

C++ 61
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What Adrian Did Next?—?Part 2?—?Sun Microsystems

Adrian Cockcroft

Another big jump, but now it was my job to run benchmarks in the lab, and write white papers that explained the new products to the world, as they were launched. I was mostly coding in C, tuning FORTRAN, and when I needed to do a lot of data analysis of benchmark results used the S-PLUS statistics language, that is the predecessor to R.

Tuning 52
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Have You Tested Your App Performance & Capacity Recently?

Apica

These powerful brands drive much excitement and, of course, dollars. The Apica LoadTest solution uses innovative technologies like monitoring nodes and load clusters to reliably deliver and sustain a large-scale load of virtual users (VUs) to Hollywood for different, realistic user scenarios all at the same time.

Testing 40
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The Ultimate Guide to Database High Availability

Percona

To make data count and to ensure cloud computing is unabated, companies and organizations must have highly available databases. This guide provides an overview of what high availability means, the components involved, how to measure high availability, and how to achieve it. How does high availability work?

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PostgreSQL Connection Pooling: Part 4 – PgBouncer vs. Pgpool-II

Scalegrid

This is shared between all clients, so a pooled connection is available to all clients. High availability. PostgreSQL high availability is supported through Pgpool-II in-built watcher processes. Not supported – PgBouncer recommends use of HAProxy for high availability and load balancing. When are connections reused?