[Gluster-devel] 3.7.9 update

[Vijay Bellur]

A quick update - 3.7.9 has been tagged in the repository. Will send out 
an announcement once the packages and release notes are ready.

Thanks,
Vijay


On 03/13/2016 01:20 PM, Vijay Bellur wrote:
> Hey All,
>
> I have been running tests with the latest HEAD of release-3.7  on a 2x2
> distributed replicated volume. Here are some updates:
>
> - Write Performance has seen an improvement as seen by running
> perf-test.sh [1]
>
>
> v3.7.9 with FUSE client
>
> Testname                Time
> emptyfiles_create       961.83
> emptyfiles_delete       600.08
> smallfiles_create       1508.38
> smallfiles_rewrite      1325.60
> smallfiles_read         598.50
> smallfiles_reread       384.65
> smallfiles_delete       623.66
> largefile_create        18.33
> largefile_rewrite       19.17
> largefile_read          11.44
> largefile_reread        0.31
> largefile_delete        0.66
> directory_crawl_create  981.21
> directory_crawl         30.64
> directory_recrawl       28.01
> metadata_modify         1117.92
> directory_crawl_delete  423.08
>
> v3.7.8 with FUSE client
>
> Testname                Time
> emptyfiles_create       953.87
> emptyfiles_delete       577.46
> smallfiles_create       1837.33
> smallfiles_rewrite      2349.37
> smallfiles_read         604.22
> smallfiles_reread       394.48
> smallfiles_delete       629.74
> largefile_create        73.86
> largefile_rewrite       76.23
> largefile_read          11.36
> largefile_reread        0.31
> largefile_delete        0.65
> directory_crawl_create  985.16
> directory_crawl         31.10
> directory_recrawl       26.94
> metadata_modify         1422.60
> directory_crawl_delete  382.57
>
> Hopefully this addresses the write performance drop we observed with 3.7.8.
>
> - Regular file system test tools like iozone, dbench etc. are running
> fine with the fuse client.
>
> - Rolling upgrade from 3.7.8 to the latest release-3.7 HEAD worked fine
> with I/O happening from a fuse client.
>
> - There is a memory leak in FUSE client that I observed while running
> perf-test.sh. A statedump revealed that there was a ref leak on several
> inodes. I have sent a possible patch [2] which addressed problems in my
> test setup. This does need careful review and more testing. Given the
> memory leaks we have been observing with fuse, I feel that it would be
> good to review mount/fuse for possible leaks and run more tests before
> releasing 3.7.9. I am looking at pushing out tagging by 2-3 days to mid
> week to accomplish this. Niels, Raghavendra - can you provide additional
> help with reviewing here?
>
> - Tiering has seen a lot of patches in 3.7.9. Dan, Nithya - can you
> please assist in preparation of release notes by summarizing the changes
> and providing inputs on the general readiness of tiering?
>
> Thanks,
> Vijay
>
> [1] https://github.com/avati/perf-test/blob/master/perf-test.sh
>
> [2] http://review.gluster.org/#/c/13689/
>
>
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