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  6 months ago by dirkmueller | Reply

  It turns out that createrepo_c was already preparing the switch to Zstd and Zchunk, so the bulk of the work has been to fix various places in the Open Build Service and product building logic to handle that. The submissions are planned to go live on Nov 13th.

  This provides overall a 10-30% reduction in download size for repository data and removes a few hundred ms in decompression time.

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It turns out that createrepo_c was already preparing the switch to Zstd and Zchunk, so the bulk of the work has been to fix various places in the Open Build Service and product building logic to handle that. The submissions are planned to go live on Nov 13th. This provides overall a 10-30% reduction in download size for repository data and removes a few hundred ms in decompression time.
 
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Reply to dirkmueller
It turns out that createrepo_c was already preparing the switch to Zstd and Zchunk, so the bulk of the work has been to fix various places in the Open Build Service and product building logic to handle that. The submissions are planned to go live on Nov 13th.
This provides overall a 10-30% reduction in download size for repository data and removes a few hundred ms in decompression time.
---
# A First Level Header
## A Second Level Header

Use one asterisk to *emphasize*

Use two asterisks for **strong emphasis**

* Use asterisks
* for lists

This is an [example link](http://example.com/)

This is an ![example image](http://paste.opensuse.org/view/raw/68957446)

This is a user link @hans

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  6 months ago by dirkmueller | Reply

  @mlschroe made a patch to libsolv that removes ~ 500ms from the parsing time for the tumbleweed repositories: https://github.com/openSUSE/libsolv/commit/23cbed3219bd07b5c3fa1ed8a6f2fa6c478c0fdb

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Edit Comment 7682
# A First Level Header
## A Second Level Header

Use one asterisk to *emphasize*

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This is an [example link](http://example.com/)

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@mlschroe made a patch to libsolv that removes ~ 500ms from the parsing time for the tumbleweed repositories: https://github.com/openSUSE/libsolv/commit/23cbed3219bd07b5c3fa1ed8a6f2fa6c478c0fdb
 
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Reply to dirkmueller
@mlschroe made a patch to libsolv that removes ~ 500ms from the parsing time for the tumbleweed repositories: https://github.com/openSUSE/libsolv/commit/23cbed3219bd07b5c3fa1ed8a6f2fa6c478c0fdb
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  6 months ago by dirkmueller | Reply

  I've spend several days on profiling and tuning zchunk support for the tumbleweed usecase (updating from tumbleweed snapshots) and made some upstream contributions to createrepo_c and zchunk to allow for these tunings.

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Edit Comment 7685
# A First Level Header
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I've spend several days on profiling and tuning zchunk support for the tumbleweed usecase (updating from tumbleweed snapshots) and made some upstream contributions to createrepo_c and zchunk to allow for these tunings.
 
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Reply to dirkmueller
I've spend several days on profiling and tuning zchunk support for the tumbleweed usecase (updating from tumbleweed snapshots) and made some upstream contributions to createrepo_c and zchunk to allow for these tunings.
---
# A First Level Header
## A Second Level Header

Use one asterisk to *emphasize*

Use two asterisks for **strong emphasis**

* Use asterisks
* for lists

This is an [example link](http://example.com/)

This is an ![example image](http://paste.opensuse.org/view/raw/68957446)

This is a user link @hans

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  6 months ago by dirkmueller | Reply

  @mlschroe worked on reviving zsync support in libzypp's default multicurl implementation

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@mlschroe worked on reviving zsync support in libzypp's default multicurl implementation
 
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@mlschroe worked on reviving zsync support in libzypp's default multicurl implementation
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  6 months ago by dirkmueller | Reply

  I've submitted necessary changes to enable curl with http/3 support. However this requires either switching to gnutls (which the security team doesn't like) or include the quictls patches for openssl. submitted the latter and waiting for maintainer review.

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Edit Comment 7691
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I've submitted necessary changes to enable curl with http/3 support. However this requires either switching to gnutls (which the security team doesn't like) or include the quictls patches for openssl. submitted the latter and waiting for maintainer review.
 
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Reply to dirkmueller
I've submitted necessary changes to enable curl with http/3 support. However this requires either switching to gnutls (which the security team doesn't like) or include the quictls patches for openssl. submitted the latter and waiting for maintainer review.
---
# A First Level Header
## A Second Level Header

Use one asterisk to *emphasize*

Use two asterisks for **strong emphasis**

* Use asterisks
* for lists

This is an [example link](http://example.com/)

This is an ![example image](http://paste.opensuse.org/view/raw/68957446)

This is a user link @hans

This is a project link hw#some-cool-title
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