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| Original file line number | Diff line number | Diff line change |
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| Release Notes for CernVM-FS 2.11.0 | ||
| ================================== | ||
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| CernVM-FS 2.11.0 is a sizeable feature release, containing a number of new features, bug fixes and performance improvements, some of which have been presented at `CHEP 2023 <https://indico.jlab.org/event/459/contributions/11483/attachments/9475/13736/presentation.pdf>`_. | ||
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| Highlights are: | ||
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| * Support for symlink kernel caching through CVMFS_CACHE_SYMLINKS (requires libfuse >= 3.16 and kernel >= 6.2-rc1) | ||
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| * A new reference-counted cache manager mode that reduces the number of open file descriptors with CVMFS_CACHE_REFCOUNT, and a streaming cache mode with CVMFS_STREAMING_CACHE | ||
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| * A bugfix for an issue that would slow down client startup when the limit for open file descriptors gets very high. | ||
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| * A new telemetry option to send client performance counters to influx | ||
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| As with previous releases, upgrading clients should be seamless just by | ||
| installing the new package from the repository. As usual, we recommend updating only a few worker nodes first and gradually ramp up once the new version proves | ||
| to work correctly. Please take special care when upgrading a cvmfs client in NFS mode. | ||
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| For Stratum 1 servers, there should be no running snapshots during the upgrade. | ||
| For publisher and gateway nodes, all transactions must be closed; no active leases must be present before upgrading. | ||
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| Packages are available for both the x86_64 and aarch64 architectures, now also for Debian 12. Packages for Ubuntu 16.04 are no longer provided after the deprecation in 2.10.1. | ||
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| .. note:: The base package, cvmfs-libs, introduced in 2.10, is now used more widely as a dependency, in particular by the cvmfs client package. | ||
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| Bug fixes | ||
| --------- | ||
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| * [client] Fix closing of file descriptors for very large nfiles limit (`#3158 <https://github.com/cvmfs/cvmfs/issues/3158>`_) | ||
| * [client] Fix occasional crashes of the watchdog helper process (`#3089 <https://github.com/cvmfs/cvmfs/issues/3089>`_) | ||
| * [client] Gracefully handle proxies that prematurely close connections (`#2925 <https://github.com/cvmfs/cvmfs/issues/2925>`_) | ||
| * [client] Fix changing to/from debug mode during cvmfs_config reload (`#2897 <https://github.com/cvmfs/cvmfs/issues/2897>`_, `#3359 <https://github.com/cvmfs/cvmfs/issues/3359>`_) | ||
| * [client] Fix mount helper so that it works with libfuse3 auto_unmount option (`#3143 <https://github.com/cvmfs/cvmfs/issues/3143>`_) | ||
| * [client] Enable core file generation if watchdog is disabled (`#3142 <https://github.com/cvmfs/cvmfs/issues/3142>`_) | ||
| * [client] Error out early if certificate is invalid (`#3238 <https://github.com/cvmfs/cvmfs/issues/3238>`_) | ||
| * [client] Fix race in signal handling when authz helper is started (`#3211 <https://github.com/cvmfs/cvmfs/issues/3211>`_) | ||
| * [client] Use http client auth only if membership is set (`#3333 <https://github.com/cvmfs/cvmfs/issues/3333>`_) | ||
| * [client] Use logging settings in mount helper (`#2962 <https://github.com/cvmfs/cvmfs/issues/2962>`_) | ||
| * [client] Use dedicated log files for mount helper (`#3314 <https://github.com/cvmfs/cvmfs/issues/3314>`_) | ||
| * [client] Warn about potential incorrect use of cvmfs_talk (`#3303 <https://github.com/cvmfs/cvmfs/issues/3303>`_) | ||
| * [client] Fix tmpfs recognition to skip readahead (`#3316 <https://github.com/cvmfs/cvmfs/issues/3316>`_) | ||
| * [macOS] Fix xattr on symlinks (`#3170 <https://github.com/cvmfs/cvmfs/issues/3170>`_) | ||
| * [server] Fix rare deadlock in uploading pipeline (`#3195 <https://github.com/cvmfs/cvmfs/issues/3195>`_) | ||
| * [server] Verify meta-info object in cvmfs_server check (`#3139 <https://github.com/cvmfs/cvmfs/issues/3139>`_) | ||
| * [server] Fix spurious error message regarding readahead (`#3305 <https://github.com/cvmfs/cvmfs/issues/3305>`_) | ||
| * [S3] Gracefully handle HTTP 500 return codes during upload (`#2912 <https://github.com/cvmfs/cvmfs/issues/2912>`_) | ||
| * [gc] Fix race in parallel catalog traversal (`#3171 <https://github.com/cvmfs/cvmfs/issues/3171>`_) | ||
| * [gc] Extend grep filter to accept microsecond precision in tags (`#3301 <https://github.com/cvmfs/cvmfs/issues/3301>`_) | ||
| * [gw] Fix transaction abort after gateway restart (`#3128 <https://github.com/cvmfs/cvmfs/issues/3128>`_) | ||
| * [gw] Fix transaction abort after client crash (`#3283 <https://github.com/cvmfs/cvmfs/issues/3283>`_) | ||
| * [gw] Fix occasional lease contention errors (`#3259 <https://github.com/cvmfs/cvmfs/issues/3259>`_, `#3077 <https://github.com/cvmfs/cvmfs/issues/3077>`_, `#3272 <https://github.com/cvmfs/cvmfs/issues/3272>`_) | ||
| * [gw] Fix publication of uncompressed files through gateway (`#3338 <https://github.com/cvmfs/cvmfs/issues/3338>`_) | ||
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| Improvements and changes | ||
| ------------------------ | ||
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| * [client] Re-use the file descriptor for a file already open in the local cache (`#3067 <https://github.com/cvmfs/cvmfs/issues/3067>`_) | ||
| * [client] Add support for symlink kernel cache through CVMFS_CACHE_SYMLINKS (`#2949 <https://github.com/cvmfs/cvmfs/issues/2949>`_) | ||
| * [client] Add telemetry framework to send performance counters to influx (`#3096 <https://github.com/cvmfs/cvmfs/issues/3096>`_) | ||
| * [client] Add streaming cache mode through CVMFS_STREAMING_CACHE=yes (`#3263 <https://github.com/cvmfs/cvmfs/issues/3263>`_, `#2948 <https://github.com/cvmfs/cvmfs/issues/2948>`_) | ||
| * [client] Add CVMFS_STATFS_CACHE_TIMEOUT parameter to cache statfs results (`#3015 <https://github.com/cvmfs/cvmfs/issues/3015>`_) | ||
| * [client] Make CVMFS_ARCH env available for use in variant symlinks (`#3127 <https://github.com/cvmfs/cvmfs/issues/3127>`_, CVM-910) | ||
| * [client] Add CVMFS_WORLD_READABLE client option (`#3115 <https://github.com/cvmfs/cvmfs/issues/3115>`_) | ||
| * [client] Restrict ShortString overflow counters to debug mode (`#3081 <https://github.com/cvmfs/cvmfs/issues/3081>`_) | ||
| * [client] Improve logging of I/O errors (`#2941 <https://github.com/cvmfs/cvmfs/issues/2941>`_) | ||
| * [client] Check for writable log file directories in chkconfig (`#3310 <https://github.com/cvmfs/cvmfs/issues/3310>`_) | ||
| * [client] Allow CPU affinity setting through CVMFS_CPU_AFFINITY (`#3330 <https://github.com/cvmfs/cvmfs/issues/3330>`_) | ||
| * [client] Add proxy_list and proxy_list_external magic xattrs (`#3233 <https://github.com/cvmfs/cvmfs/issues/3233>`_) | ||
| * [client] Add external_url magic xattr (`#3101 <https://github.com/cvmfs/cvmfs/issues/3101>`_) | ||
| * [client] Add support for protected xattrs, new client parameters | ||
| CVMFS_XATTR_[PRIVILEGED_GIDS,PROTECTED_XATTRS] (`#3103 <https://github.com/cvmfs/cvmfs/issues/3103>`_) | ||
| * [client] Add support for custom http tracing headers (`#3094 <https://github.com/cvmfs/cvmfs/issues/3094>`_) | ||
| * [client] Add curl debug info to debug log (`#3329 <https://github.com/cvmfs/cvmfs/issues/3329>`_) | ||
| * [client] Add support for evicting chunked files through cvmfs_talk (`#3122 <https://github.com/cvmfs/cvmfs/issues/3122>`_) | ||
| * [S3] Add support for CVMFS_S3_X_AMZ_ACL server parameter (`#2970 <https://github.com/cvmfs/cvmfs/issues/2970>`_) | ||
| * [gc] Avoid duplicate delete requests (`#3117 <https://github.com/cvmfs/cvmfs/issues/3117>`_) | ||
| * [gw] Store publisher hostname in lease (`#3130 <https://github.com/cvmfs/cvmfs/issues/3130>`_) | ||
| * [gw] Add HTTPS support for connecting to gateway (`#3060 <https://github.com/cvmfs/cvmfs/issues/3060>`_) | ||
| * [container] Bump base for service container to EL9 | ||
| * [packaging] Change libcvmfs static library to libcvmfs_client shared library (`#3113 <https://github.com/cvmfs/cvmfs/issues/3113>`_) | ||
| * [packaging] Let client depend on cvmfs-libs (`#3107 <https://github.com/cvmfs/cvmfs/issues/3107>`_) |