diff options
| author | Niall Douglas (s [underscore] sourceforge {at} nedprod [dot] com) <spamtrap@nedprod.com> | 2017-09-01 02:56:00 +0300 |
|---|---|---|
| committer | Niall Douglas (s [underscore] sourceforge {at} nedprod [dot] com) <spamtrap@nedprod.com> | 2017-09-01 02:56:00 +0300 |
| commit | 2b8fdf95e2013295b799d7ee198a1cbc067d9e36 (patch) | |
| tree | ca8a5be8b5a88ce0b80fa2261566b70f8e857e04 /release_notes.md | |
| parent | 15bc5c77f7b8cf2ca91427b8af079abe08d48d57 (diff) | |
On Windows we could not open byte range locks on an append-only file, fixed.
Toy key-value store actually commits and fetches now.
Diffstat (limited to 'release_notes.md')
| -rw-r--r-- | release_notes.md | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/release_notes.md b/release_notes.md index 16235b55..6bd2c6d0 100644 --- a/release_notes.md +++ b/release_notes.md @@ -33,7 +33,7 @@ Manufacturer claimed 4Kb transfer latencies for the physical hardware: 100% read QD1 4Kb direct transfer latencies for the software with AFIO: - < 99% spinning rust hard drive latency: Windows **187,231us** FreeBSD **9,836us** Linux **26,468us** - < 99% SATA flash drive latency: Windows **290us** Linux **158us** -- < 99% NVMe drive latency: Windows **150us** FreeBSD **70us** Linux **30us** +- < 99% NVMe drive latency: Windows **37us** FreeBSD **70us** Linux **30us** Worst case AFIO read overhead benchmarked by author: **0.19us** (5.3M IOPS @ QD1, approx 20Gb/sec) </td> @@ -41,7 +41,7 @@ Worst case AFIO read overhead benchmarked by author: **0.19us** (5.3M IOPS @ QD1 75% read 25% write QD4 4Kb direct transfer latencies for the software with AFIO: - < 99% spinning rust hard drive latency: Windows **48,185us** FreeBSD **61,834us** Linux **104,507us** - < 99% SATA flash drive latency: Windows **1,812us** Linux **1,416us** -- < 99% NVMe drive latency: Windows **95us** FreeBSD **143us** Linux **40us** +- < 99% NVMe drive latency: Windows **50us** FreeBSD **143us** Linux **40us** Worst case AFIO write overhead benchmarked by author: **0.18us** (5.6M IOPS @ QD1, approx 21Gb/sec) </td> |