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https://git.proxmox.com/git/pve-installer
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54c76175f0
In preparation for fixing #6285 [0]. `0` means to just skip writing the module parameter. But (especially) with the upcoming change in ZFS 2.3 - which makes the size basically that of the system memory minus 1 GiB - we want to always write some value. [0] https://bugzilla.proxmox.com/show_bug.cgi?id=6285 Signed-off-by: Christoph Heiss <c.heiss@proxmox.com>
90 lines
2.3 KiB
Perl
Executable File
90 lines
2.3 KiB
Perl
Executable File
#!/usr/bin/perl
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use strict;
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use warnings;
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use Test::More;
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use Test::MockModule qw(strict);
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my $proxmox_install_runenv = Test::MockModule->new('Proxmox::Install::RunEnv');
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my $proxmox_install_isoenv = Test::MockModule->new('Proxmox::Install::ISOEnv');
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sub mock_product {
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my ($product) = @_;
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$proxmox_install_isoenv->redefine(
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get => sub {
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my ($k) = @_;
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return $product if $k eq 'product';
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die "iso environment key $k not mocked!\n";
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},
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);
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}
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use constant ZFS_ARC_MIN_MIB => 64;
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my %default_tests_pve = (
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16 => ZFS_ARC_MIN_MIB, # at least 64 MiB
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1024 => 102,
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4 * 1024 => 410,
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8 * 1024 => 819,
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150 * 1024 => 15360,
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160 * 1024 => 16384,
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1024 * 1024 => 16384, # maximum of 16 GiB
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);
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my %default_tests_others = (
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16 => ZFS_ARC_MIN_MIB, # at least 64 MiB
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1024 => 102,
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4 * 1024 => 2048,
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8 * 1024 => 4096,
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150 * 1024 => 76800,
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160 * 1024 => 81920,
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1024 * 1024 => 524288,
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);
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mock_product('pve');
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while (my ($total_mem, $expected) = each %default_tests_pve) {
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$proxmox_install_runenv->redefine(
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query_total_memory => sub { return $total_mem; },
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);
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is(Proxmox::Install::RunEnv::default_zfs_arc_max(), $expected,
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"zfs_arc_max should default to $expected for pve with $total_mem MiB system memory");
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}
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while (my ($total_mem, $expected) = each %default_tests_others) {
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$proxmox_install_runenv->redefine(
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query_total_memory => sub { return $total_mem; },
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);
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foreach my $product ('pbs', 'pmg', 'pdm') {
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mock_product($product);
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is(Proxmox::Install::RunEnv::default_zfs_arc_max(), $expected,
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"zfs_arc_max should default to $expected for $product with $total_mem MiB system memory");
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}
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}
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my @clamp_tests = (
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# input, total system memory, expected
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[ 0, 4 * 1024, 0 ],
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[ 16, 4 * 1024, 64 ],
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[ 4 * 1024, 4 * 1024, 3 * 1024 ],
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[ 4 * 1024, 6 * 1024, 4 * 1024 ],
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[ 8 * 1024, 4 * 1024, 3 * 1024 ],
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);
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mock_product('pve');
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foreach (@clamp_tests) {
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my ($input, $total_mem, $expected) = @$_;
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$proxmox_install_runenv->redefine(
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query_total_memory => sub { return $total_mem; },
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);
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is(Proxmox::Install::RunEnv::clamp_zfs_arc_max($input), $expected,
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"$input MiB zfs_arc_max should be clamped to $expected MiB with $total_mem MiB system memory");
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}
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done_testing();
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