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Merge branch 'cassandra-2.1' into trunk

This commit is contained in:
Joshua McKenzie 2014-10-06 15:14:24 -05:00
parent 6249189884 b7609903b0
commit 3afd0a86d3
1 changed files with 73 additions and 0 deletions
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73
conf/cassandra-env.ps1
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@ -54,6 +54,79 @@ Function BuildClassPath
#-----------------------------------------------------------------------------
Function CalculateHeapSizes
{
# Check if swapping is enabled on the host and warn if so - reference CASSANDRA-7316
$osInfo = Get-WmiObject -class "Win32_computersystem"
$autoPage = $osInfo.AutomaticManagedPageFile
if ($autoPage)
{
echo "*---------------------------------------------------------------------*"
echo "*---------------------------------------------------------------------*"
echo ""
echo " WARNING! Automatic page file configuration detected."
echo " It is recommended that you disable swap when running Cassandra"
echo " for performance and stability reasons."
echo ""
echo "*---------------------------------------------------------------------*"
echo "*---------------------------------------------------------------------*"
}
else
{
$pageFileInfo = Get-WmiObject -class "Win32_PageFileSetting" -EnableAllPrivileges
$pageFileCount = $PageFileInfo.Count
if ($pageFileInfo)
{
$files = @()
$sizes = @()
$hasSizes = $FALSE
# PageFileCount isn't populated and obj comes back as single if there's only 1
if ([string]::IsNullOrEmpty($PageFileCount))
{
$PageFileCount = 1
$files += $PageFileInfo.Name
if ($PageFileInfo.MaximumSize -ne 0)
{
$hasSizes = $TRUE
$sizes += $PageFileInfo.MaximumSize
}
}
else
{
for ($i = 0; $i -le $PageFileCount; $i++)
{
$files += $PageFileInfo[$i].Name
if ($PageFileInfo[$i].MaximumSize -ne 0)
{
$hasSizes = $TRUE
$sizes += $PageFileInfo[$i].MaximumSize
}
}
}
echo "*---------------------------------------------------------------------*"
echo "*---------------------------------------------------------------------*"
echo ""
echo " WARNING! $PageFileCount swap file(s) detected"
for ($i = 0; $i -lt $PageFileCount; $i++)
{
$toPrint = " Name: " + $files[$i]
if ($hasSizes)
{
$toPrint = $toPrint + " Size: " + $sizes[$i]
$toPrint = $toPrint -replace [Environment]::NewLine, ""
}
echo $toPrint
}
echo " It is recommended that you disable swap when running Cassandra"
echo " for performance and stability reasons."
echo ""
echo "*---------------------------------------------------------------------*"
echo "*---------------------------------------------------------------------*"
}
}
# Validate that we need to run this function and that our config is good
if ($env:MAX_HEAP_SIZE -and $env:HEAP_NEWSIZE)
{