forked from I2P_Developers/i2p.i2p
Disable JVM stats being written to file, to prevent long (up to ~400ms) pauses.
- Blog post: http://www.evanjones.ca/jvm-mmap-pause.html - This change prevents tools that use the stats-file (/tmp/hsperfdata) from working (like jstat)
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@@ -18,14 +18,19 @@ wrapper.java.additional.3=-Dorg.mortbay.util.FileResource.checkAliases=false
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wrapper.java.additional.4=-Dorg.mortbay.xml.XmlParser.NotValidating=true
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wrapper.java.additional.5=-Di2p.dir.base=.
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wrapper.java.additional.5.stripquotes=TRUE
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# Prevent the JVM from exporting stats (and thereby causing hundreds of
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# ms long pauses during GC)
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wrapper.java.additional.6=-XX:+PerfDisableSharedMem
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# PORTABLE installation:
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# uncomment the following
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wrapper.java.additional.6=-Di2p.dir.pid=logs
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wrapper.java.additional.6.stripquotes=TRUE
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wrapper.java.additional.7=-Di2p.dir.temp=tmp
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wrapper.java.additional.7=-Di2p.dir.pid=logs
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wrapper.java.additional.7.stripquotes=TRUE
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wrapper.java.additional.8=-Di2p.dir.config=.
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wrapper.java.additional.8=-Di2p.dir.temp=tmp
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wrapper.java.additional.8.stripquotes=TRUE
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wrapper.java.additional.9=-Di2p.dir.config=.
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wrapper.java.additional.9.stripquotes=TRUE
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# Uncomment this for better performance.
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# If it doesn't work, server mode is not available in your JVM.
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@@ -139,4 +144,4 @@ wrapper.pidfile=logs/i2p.pid
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#********************************************************************
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# Wrapper NT Service Properties
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#********************************************************************
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# Not useful for portable version - BOOM
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# Not useful for portable version - BOOM
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@@ -59,6 +59,10 @@ wrapper.java.additional.2=-Dorg.mortbay.http.Version.paranoid=true
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wrapper.java.additional.3=-Dorg.mortbay.util.FileResource.checkAliases=false
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wrapper.java.additional.4=-Dorg.mortbay.xml.XmlParser.NotValidating=true
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# Prevent the JVM from exporting stats (and thereby causing hundreds of
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# ms long pauses during GC)
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wrapper.java.additional.5=-XX:+PerfDisableSharedMem
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# Initial Java Heap Size (in MB)
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#wrapper.java.initmemory=4
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@@ -79,29 +79,33 @@ wrapper.java.additional.3=-Dorg.mortbay.xml.XmlParser.NotValidating=true
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wrapper.java.additional.4=-Di2p.dir.base="$INSTALL_PATH"
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wrapper.java.additional.4.stripquotes=TRUE
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# Prevent the JVM from exporting stats (and thereby causing hundreds of
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# ms long pauses during GC)
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wrapper.java.additional.5=-XX:+PerfDisableSharedMem
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# On some IPv6 enabled systems, I2P and other network-enabled java applications
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# may fail to start. For examples see
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# http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=560044.
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# Two things that may help if you experience this issue
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# 1) "echo 0 > /proc/sys/net/ipv6/bindv6only" as root; or
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# 2) uncomment the next two lines:
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#wrapper.java.additional.5=-Djava.net.preferIPv4Stack=true
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#wrapper.java.additional.6=-Djava.net.preferIPv6Addresses=false
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#wrapper.java.additional.6=-Djava.net.preferIPv4Stack=true
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#wrapper.java.additional.7=-Djava.net.preferIPv6Addresses=false
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# Jetty says this is a security risk
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# Uncommenting this won't help as the router forces it to true
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# If you really need this, you have to set it in jetty.xml
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# somehow - not sure exactly but here's a clue:
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# org.mortbay.util.FileResource.setCheckAliases(false)
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# wrapper.java.additional.7=-Dorg.mortbay.util.FileResource.checkAliases=false
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# wrapper.java.additional.8=-Dorg.mortbay.util.FileResource.checkAliases=false
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# PORTABLE installation:
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# uncomment the following
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#wrapper.java.additional.7=-Di2p.dir.pid="$INSTALL_PATH"
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#wrapper.java.additional.7.stripquotes=TRUE
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#wrapper.java.additional.8=-Di2p.dir.temp="$INSTALL_PATH"
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#wrapper.java.additional.8=-Di2p.dir.pid="$INSTALL_PATH"
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#wrapper.java.additional.8.stripquotes=TRUE
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#wrapper.java.additional.9=-Di2p.dir.config="$INSTALL_PATH"
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#wrapper.java.additional.9=-Di2p.dir.temp="$INSTALL_PATH"
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#wrapper.java.additional.9.stripquotes=TRUE
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#wrapper.java.additional.10=-Di2p.dir.config="$INSTALL_PATH"
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#wrapper.java.additional.10.stripquotes=TRUE
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#
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# Uncomment this for better performance.
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# If it doesn't work, server mode is not available in your JVM.
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