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SQL Server On Linux: Forced Unit Access (Fua) Internals

SQL Server According to Bob

Durability: “In database systems , durability is the ACID property which guarantees transactions that have committed will survive permanently. Microsoft SQL Server Database Engine Input/Output Requirements. Device level flushing may have an impact on your I/O caching, read ahead or other behaviors of the storage system.

Servers 90
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Reverb: speculative debugging for web applications

The Morning Paper

See e.g. " Debugging data flows in reactive programs." Changing the program’s state in some way. The non-deterministic input vectors for a JavaScript program are well-known and (compared to POSIX) very small in number. Reverb also take a snapshot of the client’s local storage (e.g.

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Futzing and moseying: interviews with professional data analysts on exploration practices

The Morning Paper

About half (18) used programming as their primary means of exploring data, and the remainder used visual analytics tools or a mix of tools and programming. Software engineering for machine learning ’), is the lack of documentation, metadata, and provenance. SQL databases and spreadsheets (of course!!)

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New Metadata-Only Column Changes in SQL Server 2016

SQL Performance

Depending on the type of change and the configuration of the database, an ALTER COLUMN command will need to perform one of the following actions: Change metadata in system tables only. Particular care is needed when altering a string column that has a collation not matching the default for the database. Test2 ; GO. CREATE TABLE dbo.

Servers 63
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USENIX LISA 2018: CFP Now Open

Brendan Gregg

LISA originally stood for "Large Installation System Administration," where "large" meant systems with more than a gigabyte of storage, or with more than 100 users. To learn more about how LISA has evolved, browse last year's LISA17 conference program , and see the slides and talk videos.

DevOps 43
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USENIX LISA 2018: CFP Now Open

Brendan Gregg

LISA originally stood for "Large Installation System Administration," where "large" meant systems with more than a gigabyte of storage, or with more than 100 users. To learn more about how LISA has evolved, browse last year's LISA17 conference program , and see the slides and talk videos.

DevOps 40
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Achieving observability in async workflows

The Netflix TechBlog

Once you finally find useful identifiers, you may begin writing SQL queries against your production database to find out what went wrong. The watermarking functionality, at the start, was a simple offering with various Google Drive integrations for storage and links.

Traffic 160