Ayende @ Rahien

Oren Eini aka Ayende Rahien CEO of Hibernating Rhinos LTD, which develops RavenDB, a NoSQL Open Source Document Database.

You can reach me by:

oren@ravendb.net

+972 52-548-6969

Posts: 7,017 | Comments: 49,691

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4posts

Webinar recording

  1. (25 May 2020)

    Event sourcing and RavenDB

  2. (07 Apr 2020)

    Managing Data in Distributed Environment

  3. (06 Apr 2020)

    Building a grown up database

  4. (12 Mar 2020)

    Migrating from a Relational Database to RavenDB

5posts

Talk

  1. (23 Apr 2020)

    Advanced indexing with RavenDB

  2. (22 Apr 2020)

    Modeling in a non relational world

  3. (03 Jan 2018)

    Modeling in a Non Relational World

  4. (29 Dec 2017)

    Extreme Performance Architecture

  5. (28 Nov 2016)

    System Architecture with NoSQL and RavenDB/DocDB

57posts

Challenge

  1. (21 Apr 2020)

    Generate matching shard id–answer

  2. (20 Apr 2020)

    Generate matching shard id

  3. (02 Jan 2020)

    Spot the bug in the stream

  4. (28 Sep 2018)

    The loop that leaks–Answer

  5. (27 Sep 2018)

    The loop that leaks

  6. (03 Apr 2018)

    The invisible concurrency bug–Answer

  7. (02 Apr 2018)

    The invisible concurrency bug

  8. (31 Jan 2018)

    Find the bug in the fix–answer

  9. (30 Jan 2018)

    Find the bug in the fix

  10. (19 Jan 2017)

    What does this code do?

  11. (26 Jul 2016)

    The race condition in the TCP stack, answer

  12. (25 Jul 2016)

    The race condition in the TCP stack

  13. (28 Apr 2015)

    What is the meaning of this change?

  14. (26 Sep 2013)

    Spot the bug

  15. (27 May 2013)

    The problem of locking down tasks…

  16. (17 Oct 2011)

    Minimum number of round trips

  17. (23 Aug 2011)

    Recent Comments with Future Posts

  18. (02 Aug 2011)

    Modifying execution approaches

  19. (29 Apr 2011)

    Stop the leaks

  20. (23 Dec 2010)

    This code should never hit production

  21. (17 Dec 2010)

    Your own ThreadLocal

  22. (03 Dec 2010)

    Querying relative information with RavenDB

  23. (29 Jun 2010)

    Find the bug

  24. (23 Jun 2010)

    Dynamically dynamic

  25. (28 Apr 2010)

    What killed the application?

  26. (19 Mar 2010)

    What does this code do?

  27. (04 Mar 2010)

    Robust enumeration over external code

  28. (16 Feb 2010)

    Premature optimization, and all of that…

  29. (12 Feb 2010)

    Efficient querying

  30. (10 Feb 2010)

    Find the resource leak

  31. (21 Oct 2009)

    Can you spot the bug?

  32. (18 Oct 2009)

    Why is this wrong?

  33. (17 Oct 2009)

    Write the check in comment

  34. (15 Sep 2009)

    NH Prof Exporting Reports

  35. (02 Sep 2009)

    The lazy loaded inheritance many to one association OR/M conundrum

  36. (01 Sep 2009)

    Why isn’t select broken?

  37. (06 Aug 2009)

    Find the bug fixes

  38. (26 May 2009)

    Find the bug

  39. (14 May 2009)

    multi threaded test failure

  40. (11 May 2009)

    The regex that doesn’t match

  41. (24 Mar 2009)

    probability based selection

  42. (13 Mar 2009)

    C# Rewriting

  43. (18 Feb 2009)

    write a self extracting program

  44. (04 Sep 2008)

    Don't stop with the first DSL abstraction

  45. (02 Aug 2008)

    What is the problem?

  46. (28 Jul 2008)

    What does this code do?

  47. (26 Jul 2008)

    Find the bug fix

  48. (05 Jul 2008)

    Find the deadlock

  49. (03 Jul 2008)

    Find the bug

  50. (02 Jul 2008)

    What is wrong with this code

  51. (05 Jun 2008)

    why did the tests fail?

  52. (27 May 2008)

    Striving for better syntax

  53. (13 Apr 2008)

    calling generics without the generic type

  54. (12 Apr 2008)

    The directory tree

  55. (24 Mar 2008)

    Find the version

  56. (21 Jan 2008)

    Strongly typing weakly typed code

  57. (28 Jun 2007)

    Windsor Null Object Dependency Facility

29posts

Production postmortem

  1. (23 Mar 2020)

    high CPU when there is little work to be done

  2. (21 Feb 2020)

    The self signed certificate that couldn’t

  3. (31 Jan 2020)

    The slow slowdown of large systems

  4. (07 Jun 2019)

    Printer out of paper and the RavenDB hang

  5. (18 Feb 2019)

    This data corruption bug requires 3 simultaneous race conditions

  6. (25 Dec 2018)

    Handled errors and the curse of recursive error handling

  7. (23 Nov 2018)

    The ARM is killing me

  8. (22 Feb 2018)

    The unavailable Linux server

  9. (06 Dec 2017)

    data corruption, a view from INSIDE the sausage

  10. (01 Dec 2017)

    The random high CPU

  11. (07 Aug 2017)

    30% boost with a single line change

  12. (04 Aug 2017)

    The case of 99.99% percentile

  13. (02 Aug 2017)

    The lightly loaded trashing server

  14. (23 Aug 2016)

    The insidious cost of managed memory

  15. (05 Feb 2016)

    A null reference in our abstraction

  16. (27 Jan 2016)

    The Razor Suicide

  17. (13 Nov 2015)

    The case of the “it is slow on that machine (only)”

  18. (21 Oct 2015)

    The case of the slow index rebuild

  19. (22 Sep 2015)

    The case of the Unicode Poo

  20. (03 Sep 2015)

    The industry at large

  21. (01 Sep 2015)

    The case of the lying configuration file

  22. (31 Aug 2015)

    The case of the memory eater and high load

  23. (14 Aug 2015)

    The case of the man in the middle

  24. (05 Aug 2015)

    Reading the errors

  25. (29 Jul 2015)

    The evil licensing code

  26. (23 Jul 2015)

    The case of the native memory leak

  27. (16 Jul 2015)

    The case of the intransigent new database

  28. (13 Jul 2015)

    The case of the hung over server

  29. (09 Jul 2015)

    The case of the infected cluster

3posts

RavenDB 5.0

  1. (20 Mar 2020)

    Optimizing date range queries

  2. (21 Jan 2020)

    Exploring Time Series–Part II

  3. (20 Jan 2020)

    Exploring Time Series–Part I

2posts

Webinar

  1. (15 Jan 2020)

    RavenDB’s unique features

  2. (22 Feb 2011)

    Building Document Based Systems

2posts

Challenges

  1. (03 Jan 2020)

    Spot the bug in the stream–answer

  2. (15 Feb 2010)

    Where is the optimization?

26posts

re

  1. (27 Dec 2019)

    Writing a very fast cache service with millions of entries

  2. (26 Dec 2019)

    Why databases use ordered indexes but programming uses hash tables

  3. (12 Nov 2019)

    Document-Level Optimistic Concurrency in MongoDB

  4. (25 Oct 2019)

    RavenDB. Two years of pain and joy

  5. (19 Aug 2019)

    The Order of the JSON, AKA–irresponsible assumptions and blind spots

  6. (10 Oct 2017)

    Entity Framework Core performance tuning–Part III

  7. (09 Oct 2017)

    Different I/O Access Methods for Linux

  8. (06 Oct 2017)

    Entity Framework Core performance tuning–Part II

  9. (04 Oct 2017)

    Entity Framework Core performance tuning–part I

  10. (26 Apr 2017)

    Writing a Time Series Database from Scratch

  11. (28 Jul 2016)

    Why Uber Engineering Switched from Postgres to MySQL

  12. (15 Jun 2016)

    Why you can't be a good .NET developer

  13. (12 Nov 2013)

    Why You Should Never Use MongoDB

  14. (21 Aug 2013)

    How memory mapped files, filesystems and cloud storage works

  15. (15 Apr 2012)

    Kiip’s MongoDB’s experience

  16. (18 Oct 2010)

    Diverse.NET

  17. (10 Apr 2010)

    NoSQL, meh

  18. (30 Sep 2009)

    Are you smart enough to do without TDD

  19. (17 Aug 2008)

    MVC Storefront Part 19

  20. (24 Mar 2008)

    How to create fully encapsulated Domain Models

  21. (21 Feb 2008)

    Versioning Issues With Abstract Base Classes and Interfaces

  22. (18 Aug 2007)

    Saving to Blob

  23. (27 Jul 2007)

    SSIS - 15 Faults Rebuttal

  24. (29 May 2007)

    The OR/M Smackdown

  25. (06 Mar 2007)

    IoC and Average Programmers

  26. (19 Sep 2005)

    DLinq Mapping

2posts

Voron’s Roaring Set

  1. (11 Nov 2019)

    Part II–Implementation

  2. (29 Oct 2019)

    Part I

3posts

Searching through text

  1. (17 Oct 2019)

    Part III, Managing posting lists

  2. (16 Oct 2019)

    Part II, Exploring posting lists persistence

  3. (14 Oct 2019)

    Part I, full text search in under 200 lines of code

FUTURE POSTS

  1. Optimizing RavenDB by adding Thread.Sleep(5) - 2 hours from now
  2. Complex distributed transactions with RavenDB - about one day from now

There are posts all the way to May 27, 2020

RECENT SERIES

  1. Webinar recording (4):
    25 May 2020 - Event sourcing and RavenDB
  2. Talk (5):
    23 Apr 2020 - Advanced indexing with RavenDB
  3. Challenge (57):
    21 Apr 2020 - Generate matching shard id–answer
  4. Production postmortem (29):
    23 Mar 2020 - high CPU when there is little work to be done
  5. RavenDB 5.0 (3):
    20 Mar 2020 - Optimizing date range queries
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