wiredtiger-users

1–30 of 300

Welcome to wiredtiger-users!

This group is an open forum for announcements and discussion of the WiredTiger Data Engine.

Related Resources: The WiredTiger Manual | Release packages | Bugs and feature requests

For MongoDB questions, including questions about WiredTiger inside of the MongoDB engine, please use the MongoDB Community forums.

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long văn, … Will Korteland5

Sep 25

Unknown configuration key: 'bucket_prefix': Invalid argument

Hi Long, Unfortunately MongoDB's embedded version of WiredTiger doesn't map to the open-

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Unknown configuration key: 'bucket_prefix': Invalid argument

Hi Long, Unfortunately MongoDB's embedded version of WiredTiger doesn't map to the open-

Sep 25

Roey Maor, Will Korteland3

Aug 21

Questions about modifications and updates

Thanks for the answer Will. 1,2,3) So is it true to say the following: In order to modify/update a

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Questions about modifications and updates

Thanks for the answer Will. 1,2,3) So is it true to say the following: In order to modify/update a

Aug 21

bai...@gmail.com, Will Korteland2

Aug 15

log align size 128 avoid false sharing ?

Hi - thanks for your interest in WiredTiger! You're right that the false sharing reasoning relies

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log align size 128 avoid false sharing ?

Hi - thanks for your interest in WiredTiger! You're right that the false sharing reasoning relies

Aug 15

Roey Maor, Etienne Petrel4

Aug 3

named checkpoints

Hi Roey, As you said, as soon as there is a reader at a specific time, WT cannot delete the data

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named checkpoints

Hi Roey, As you said, as soon as there is a reader at a specific time, WT cannot delete the data

Aug 3

perryn zhou, alexande...@mongodb.com2

Aug 2

Can I using wiretiger(version 11.1.0) with lsm storage in prodution?

Thanks for your interest in using WiredTiger. We don't currently have know of production users of

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Can I using wiretiger(version 11.1.0) with lsm storage in prodution?

Thanks for your interest in using WiredTiger. We don't currently have know of production users of

Aug 2

Roey Maor, alexande...@mongodb.com2

Jul 16

iterating large amount of documents

Thanks for your interest - this forum is more for direct users of WiredTiger. Questions about MongoDB

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iterating large amount of documents

Thanks for your interest - this forum is more for direct users of WiredTiger. Questions about MongoDB

Jul 16

Roey Maor, Keith Bostic3

Jul 7

Question regarding Maintaining two checkpoints at a time

Thank you Keith. So if I understand correctly the issue is specifically deleting the previous blocks

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Question regarding Maintaining two checkpoints at a time

Thank you Keith. So if I understand correctly the issue is specifically deleting the previous blocks

Jul 7

Martin Häusler, alexande...@mongodb.com6

Apr 28

LSM Compaction Strategy and Concurrency

Thanks once again! I've never seen any research papers address this particular issue, I was

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LSM Compaction Strategy and Concurrency

Thanks once again! I've never seen any research papers address this particular issue, I was

Apr 28

Henk De Groot, Etienne Petrel16

Feb 2

Windows Build issues

Hi Henk, Yes, I agree this should have the right value automatically, it used to work (I promise!)

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Windows Build issues

Hi Henk, Yes, I agree this should have the right value automatically, it used to work (I promise!)

Feb 2

Tobias HT, Luke Chen4

Jan 20

issue building the python API

Hi Tobias, Today I attempted to reproduce the issue you described on a Windows host (VS 2017). I ran

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issue building the python API

Hi Tobias, Today I attempted to reproduce the issue you described on a Windows host (VS 2017). I ran

Jan 20

Luke Chen, … Etienne Petrel6

Jan 10

WiredTiger release 11.1.0

Hello, Sorry to hear this and for the inconvenience this might cause you, the team will investigate

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WiredTiger release 11.1.0

Hello, Sorry to hear this and for the inconvenience this might cause you, the team will investigate

Jan 10

Praneeth, Etienne Petrel2

11/28/22

Packing and Unpacking Data

Hi Praneeth, Thank you for your interest in WiredTiger and how packing and unpacking work. I could

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Packing and Unpacking Data

Hi Praneeth, Thank you for your interest in WiredTiger and how packing and unpacking work. I could

11/28/22

Uttam Pawar, … alexande...@mongodb.com6

11/14/22

Thread scaling WiredTiger engine

Alex, I appreciate the response. Now I've better understanding of the wtperf and it's output.

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Thread scaling WiredTiger engine

Alex, I appreciate the response. Now I've better understanding of the wtperf and it's output.

11/14/22

Sean, Keith Smith6

11/11/22

Range query by WiredTiger c++

Hi Sean, I'm glad to hear your program is working better. To answer your questions: > Is there

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Range query by WiredTiger c++

Hi Sean, I'm glad to hear your program is working better. To answer your questions: > Is there

11/11/22

Keith Bostic

10/29/22

Re: B tree configuration

On Thursday, October 27, 2022 at 8:14:22 PM UTC-7 Sean wrote: As WiredTiger uses B tree (B+ tree),

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Re: B tree configuration

On Thursday, October 27, 2022 at 8:14:22 PM UTC-7 Sean wrote: As WiredTiger uses B tree (B+ tree),

10/29/22

Martin Häusler, Keith Smith2

10/25/22

KeyStrings and array sort order

Hi Martin, Unfortunately, your question is a bit beyond my knowledge of the MongoDB server. I'm

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KeyStrings and array sort order

Hi Martin, Unfortunately, your question is a bit beyond my knowledge of the MongoDB server. I'm

10/25/22

Shreya Ballijepalli, … alexande...@mongodb.com5

10/23/22

Understanding Prefix Compression for Integer Data Type in WiredTiger

Hi Shreya and Keith, Firstly, Keith: Thanks for the initial responses here - we really appreciate

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Understanding Prefix Compression for Integer Data Type in WiredTiger

Hi Shreya and Keith, Firstly, Keith: Thanks for the initial responses here - we really appreciate

10/23/22

王欢明, … Keith Smith5

10/10/22

Hi there, Thanks for your interest in WiredTiger and related research literature. On Sun, Oct 9, 2022

unread,

Hi there, Thanks for your interest in WiredTiger and related research literature. On Sun, Oct 9, 2022

10/10/22

Martin Häusler, … Daniel Gottlieb9

7/17/22

Layout of multi-key indices as key-value pairs?

Thanks a lot for the clarifications Dan! The whole topic turned into quite the rabbit hole for me but

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Layout of multi-key indices as key-value pairs?

Thanks a lot for the clarifications Dan! The whole topic turned into quite the rabbit hole for me but

7/17/22

Martin Häusler, Keith Smith4

7/8/22

Storage of field names?

Thank you for the quick reply Keith, that fully answers my question :) keith...@mongodb.com schrieb

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Storage of field names?

Thank you for the quick reply Keith, that fully answers my question :) keith...@mongodb.com schrieb

7/8/22

Luke Chen

6/30/22

WiredTiger release 11.0.0

Hello, A new release of WiredTiger is available here: https://source.wiredtiger.com/releases/

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WiredTiger release 11.0.0

Hello, A new release of WiredTiger is available here: https://source.wiredtiger.com/releases/

6/30/22

胡皓胜, … Keith Smith6

3/9/22

WT scan

Hi everyone, Thank you for your answers. I originally wanted to get a possible explanation from

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WT scan

Hi everyone, Thank you for your answers. I originally wanted to get a possible explanation from

3/9/22

Puneet M, … Alexey Anisimov3

3/8/22

gcc vs clang

Hi Puneet, Thanks for your interest in WiredTiger! In your example, "cursor->set_value"

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gcc vs clang

Hi Puneet, Thanks for your interest in WiredTiger! In your example, "cursor->set_value"

3/8/22

胡皓胜, alexande...@mongodb.com2

2/28/22

question about eviction of WT

Hi, Thanks for your interest in WiredTiger. The answer is that there is no need to synchronously

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question about eviction of WT

Hi, Thanks for your interest in WiredTiger. The answer is that there is no need to synchronously

2/28/22

Jason Brown, … Brian Lane6

1/20/22

Seeking context on removal of WT Java API

Hi Jason, Back in March last year we completed a project to streamline the standalone releases of

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Seeking context on removal of WT Java API

Hi Jason, Back in March last year we completed a project to streamline the standalone releases of

1/20/22

bai...@gmail.com, Keith Bostic2

1/12/22

Thoughts about compact in wiredtiger

On Tuesday, January 11, 2022 at 7:04:44 PM UTC-8 bai...@gmail.com wrote: For sqlite, db maintains the

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Thoughts about compact in wiredtiger

On Tuesday, January 11, 2022 at 7:04:44 PM UTC-8 bai...@gmail.com wrote: For sqlite, db maintains the

1/12/22

chloi alverti, Alexandra Fedorova2

10/20/21

Race condition when WiredTiger is combined with PMEM and DAX

Hi Chloe, I am the author of the blog post you are citing. I am happy to try and help. I've used

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Race condition when WiredTiger is combined with PMEM and DAX

Hi Chloe, I am the author of the blog post you are citing. I am happy to try and help. I've used

10/20/21

Martin Ichilevici de Oliveira, … Donald Anderson8

9/9/21

Understanding the binary format

Hello, I'm not aware of examples that do this directly. There are BSON decoders around,

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Understanding the binary format

Hello, I'm not aware of examples that do this directly. There are BSON decoders around,

9/9/21

G F

9/9/21

Mongodb interface for high speed updates

I'd need to update read and write concurrently about 10000 different records/s with mongodb if

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Mongodb interface for high speed updates

I'd need to update read and write concurrently about 10000 different records/s with mongodb if

9/9/21

Ouyang Tsuna

8/17/21

Is the pyhon pakage of wiredtiger supported in Windows?

I am a developer of database and I want to learn how to use wiredtiger and I have built the

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Is the pyhon pakage of wiredtiger supported in Windows?

I am a developer of database and I want to learn how to use wiredtiger and I have built the

8/17/21