diff --git a/buildSrc/src/main/groovy/io.deephaven.java-conventions.gradle b/buildSrc/src/main/groovy/io.deephaven.java-conventions.gradle
index 813d3dc1b23..03cae47335d 100644
--- a/buildSrc/src/main/groovy/io.deephaven.java-conventions.gradle
+++ b/buildSrc/src/main/groovy/io.deephaven.java-conventions.gradle
@@ -1,3 +1,5 @@
+import groovy.json.JsonBuilder
+
 plugins {
   id 'java'
 }
@@ -74,18 +76,123 @@ tasks.withType(JavaCompile).configureEach {
   }
 }
 
+def tier4CompilationExcludes = [
+  // All ChunkedSumOperators
+  'io.deephaven.engine.table.impl.by.BigDecimalChunkedSumOperator':['addChunk'],
+  'io.deephaven.engine.table.impl.by.BigIntegerChunkedSumOperator':['addChunk'],
+  'io.deephaven.engine.table.impl.by.BooleanChunkedSumOperator':['addChunk'],
+  'io.deephaven.engine.table.impl.by.ByteChunkedSumOperator':['addChunk'],
+  'io.deephaven.engine.table.impl.by.CharChunkedSumOperator':['addChunk'],
+  'io.deephaven.engine.table.impl.by.DoubleChunkedSumOperator':['addChunk'],
+  'io.deephaven.engine.table.impl.by.FloatChunkedSumOperator':['addChunk'],
+  'io.deephaven.engine.table.impl.by.IntChunkedSumOperator':['addChunk'],
+  'io.deephaven.engine.table.impl.by.LongChunkedSumOperator':['addChunk'],
+  'io.deephaven.engine.table.impl.by.ShortChunkedSumOperator':['addChunk'],
+
+  // All PercentileTypeMedianHelpers
+  'io.deephaven.engine.table.impl.by.ssmpercentile.BooleanPercentileTypeMedianHelper':['setResult'],
+  'io.deephaven.engine.table.impl.by.ssmpercentile.BytePercentileTypeMedianHelper':['setResult'],
+  'io.deephaven.engine.table.impl.by.ssmpercentile.CharPercentileTypeMedianHelper':['setResult'],
+  'io.deephaven.engine.table.impl.by.ssmpercentile.DoublePercentileTypeMedianHelper':['setResult'],
+  'io.deephaven.engine.table.impl.by.ssmpercentile.FloatPercentileTypeMedianHelper':['setResult'],
+  'io.deephaven.engine.table.impl.by.ssmpercentile.IntPercentileTypeMedianHelper':['setResult'],
+  'io.deephaven.engine.table.impl.by.ssmpercentile.LongPercentileTypeMedianHelper':['setResult'],
+  'io.deephaven.engine.table.impl.by.ssmpercentile.ShortPercentileTypeMedianHelper':['setResult'],
+
+  'io.deephaven.engine.table.impl.by.ssmpercentile.SsmChunkedPercentileOperator':['addChunk'],
+
+  // All types emitted by ReplicateHashTable
+  'io.deephaven.engine.table.impl.IncrementalChunkedNaturalJoinStateManager':['addToIndex', 'buildTable', 'decorationProbe'],
+  'io.deephaven.engine.table.impl.RightIncrementalChunkedNaturalJoinStateManager':['addToIndex', 'buildTable', 'decorationProbe'],
+  'io.deephaven.engine.table.impl.StaticChunkedAsOfJoinStateManager':['addToIndex', 'buildTable', 'decorationProbe'],
+  'io.deephaven.engine.table.impl.StaticChunkedNaturalJoinStateManager':['addToIndex', 'buildTable', 'decorationProbe'],
+  'io.deephaven.engine.table.impl.RightIncrementalChunkedAsOfJoinStateManager':['addToIndex', 'buildTable', 'decorationProbe'],
+  'io.deephaven.engine.table.impl.SymbolTableCombiner':['addToIndex', 'buildTable', 'decorationProbe'],
+  'io.deephaven.engine.table.impl.LeftOnlyIncrementalChunkedCrossJoinStateManager':['addToIndex', 'buildTable', 'decorationProbe'],
+  'io.deephaven.engine.table.impl.RightIncrementalChunkedCrossJoinStateManager':['addToIndex', 'buildTable', 'decorationProbe'],
+  'io.deephaven.engine.table.impl.StaticChunkedCrossJoinStateManager':['addToIndex', 'buildTable', 'decorationProbe'],
+  'io.deephaven.engine.table.impl.by.StaticChunkedOperatorAggregationStateManager':['addToIndex', 'buildTable', 'decorationProbe'],
+  'io.deephaven.engine.table.impl.by.IncrementalChunkedOperatorAggregationStateManager':['addToIndex', 'buildTable', 'decorationProbe'],
+]
+def createCompilerDirectives = tasks.register('createCompilerDirectives') {
+  def compilerDirectivesFile = project.layout.buildDirectory.file('dh-compiler-directives.txt')
+  it.outputs.file(compilerDirectivesFile)
+
+  doFirst {
+    def excludesAsList = []
+    tier4CompilationExcludes.forEach({type, methods ->
+      methods.forEach {method ->
+        excludesAsList += "${type}::${method}"
+      }
+    })
+    def builder = new JsonBuilder([{
+       match excludesAsList
+       c2 {
+         Exclude true
+       }
+    }])
+
+    compilerDirectivesFile.get().asFile.text = builder.toPrettyString()
+  }
+}
+
+def c2ExcludesJvmArgs = { String c2ExcludesFile ->
+  return [
+          '-XX:+UnlockDiagnosticVMOptions',
+          "-XX:CompilerDirectivesFile=${c2ExcludesFile}",
+  ]
+}
+
+// Utility to add jvm args to all executions, whether intellij or from a application script or gradle javaexec
+def devJvmArgs = [
+//  '-XX:Tier4CompileThreshold=1000', // this optional line makes it easier to trigger the c2 error on the above methods
+//  '-XX:+PrintFlagsFinal',           // this optional line makes it easier to explore the final values for compiler args
+//  '-XX:+PrintCompilation',          // this optional line shows jit operations as they happen
+]
+
 tasks.withType(JavaExec).configureEach {
+  def c2ExcludesFile = createCompilerDirectives.get().outputs.files
+  inputs.files c2ExcludesFile
   javaLauncher.set runtimeLauncher
+  jvmArgs += c2ExcludesJvmArgs(c2ExcludesFile.singleFile.path) + devJvmArgs
 }
 
 tasks.withType(Test).configureEach {
+  def c2ExcludesFile = createCompilerDirectives.get().outputs.files
+  inputs.files c2ExcludesFile
+
   javaLauncher.set testRuntimeLauncher
+  jvmArgs += c2ExcludesJvmArgs(c2ExcludesFile.singleFile.path) + devJvmArgs
 }
 
 tasks.withType(GroovyCompile).configureEach {
   javaLauncher.set groovyCompilerLauncher
 }
 
+plugins.withType(ApplicationPlugin) {
+  applicationDistribution.into('lib') {
+    from(createCompilerDirectives.get().outputs.files)
+  }
+}
+tasks.withType(CreateStartScripts).configureEach {
+  def unixStartScript = resources.text.fromUri(getClass().classLoader.getResource('unixStartScript.txt'))
+  inputs.files unixStartScript
+  unixStartScriptGenerator.template = unixStartScript
+  // For now we only modify the *nix script, as the windows .bat file doesn't seem to work properly anyway,
+  // and we don't yet have a requirement for it.
+  windowsStartScriptGenerator.template = resources.text.fromString("echo Sorry, Windows .bat is not currently supported, please use WSL2\nexit 1")
+
+//  def windowsStartScript = resources.text.fromUri(getClass().classLoader.getResource('windowsStartScript.txt'))
+//  inputs.files windowsStartScript
+//  windowsStartScriptGenerator.template = windowsStartScript
+
+  // Note that we don't call c2ExcludesJvmArgs() at this time, there is no way to template those strings.
+  // Instead, we hard code the expected paths in the above templates to match the path lib/dh-compiler-directives.txt
+//  defaultJvmOpts += c2ExcludesJvmArgs(c2ExcludesFile.singleFile.path)
+
+  defaultJvmOpts += devJvmArgs
+}
+
 tasks.withType(Jar).configureEach {
   Jar jar ->
     jar.preserveFileTimestamps = false
@@ -107,4 +214,4 @@ jar {
 
 configurations {
   testOutput.extendsFrom testRuntimeClasspath
-}
\ No newline at end of file
+}
diff --git a/buildSrc/src/main/resources/unixStartScript.txt b/buildSrc/src/main/resources/unixStartScript.txt
new file mode 100644
index 00000000000..44db5630994
--- /dev/null
+++ b/buildSrc/src/main/resources/unixStartScript.txt
@@ -0,0 +1,188 @@
+#!/usr/bin/env sh
+
+#
+# Copyright 2015 the original author or authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+##############################################################################
+##
+##  ${applicationName} start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: \$0 may be a link
+PRG="\$0"
+# Need this for relative symlinks.
+while [ -h "\$PRG" ] ; do
+    ls=`ls -ld "\$PRG"`
+    link=`expr "\$ls" : '.*-> \\(.*\\)\$'`
+    if expr "\$link" : '/.*' > /dev/null; then
+        PRG="\$link"
+    else
+        PRG=`dirname "\$PRG"`"/\$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"\$PRG\"`/${appHomeRelativePath}" >/dev/null
+APP_HOME="`pwd -P`"
+cd "\$SAVED" >/dev/null
+
+APP_NAME="${applicationName}"
+APP_BASE_NAME=`basename "\$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and ${optsEnvironmentVar} to pass JVM options to this script.
+DEFAULT_JVM_OPTS=${defaultJvmOpts}
+
+# Customization for deephaven-core to reference a compiler directives file
+DEFAULT_JVM_OPTS="\${DEFAULT_JVM_OPTS} -XX:+UnlockDiagnosticVMOptions -XX:CompilerDirectivesFile=\"\${APP_HOME}/lib/dh-compiler-directives.txt\""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "\$*"
+}
+
+die () {
+    echo
+    echo "\$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$classpath
+<% if ( mainClassName.startsWith('--module ') ) { %>MODULE_PATH=$modulePath<% } %>
+
+# Determine the Java command to use to start the JVM.
+if [ -n "\$JAVA_HOME" ] ; then
+    if [ -x "\$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="\$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="\$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "\$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: \$JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "\$cygwin" = "false" -a "\$darwin" = "false" -a "\$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ \$? -eq 0 ] ; then
+        if [ "\$MAX_FD" = "maximum" -o "\$MAX_FD" = "max" ] ; then
+            MAX_FD="\$MAX_FD_LIMIT"
+        fi
+        ulimit -n \$MAX_FD
+        if [ \$? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: \$MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: \$MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if \$darwin; then
+    GRADLE_OPTS="\$GRADLE_OPTS \\"-Xdock:name=\$APP_NAME\\" \\"-Xdock:icon=\$APP_HOME/media/gradle.icns\\""
+fi
+
+# For Cygwin or MSYS, switch paths to Windows format before running java
+if [ "\$cygwin" = "true" -o "\$msys" = "true" ] ; then
+    APP_HOME=`cygpath --path --mixed "\$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "\$CLASSPATH"`
+<% if ( mainClassName.startsWith('--module ') ) { %>    MODULE_PATH=`cygpath --path --mixed "\$MODULE_PATH"`<% } %>
+    JAVACMD=`cygpath --unix "\$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in \$ROOTDIRSRAW ; do
+        ROOTDIRS="\$ROOTDIRS\$SEP\$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^(\$ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "\$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="\$OURCYGPATTERN|(\$GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "\$@" ; do
+        CHECK=`echo "\$arg"|egrep -c "\$OURCYGPATTERN" -`
+        CHECK2=`echo "\$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ \$CHECK -ne 0 ] && [ \$CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args\$i`=`cygpath --path --ignore --mixed "\$arg"`
+        else
+            eval `echo args\$i`="\"\$arg\""
+        fi
+        i=`expr \$i + 1`
+    done
+    case \$i in
+        0) set -- ;;
+        1) set -- "\$args0" ;;
+        2) set -- "\$args0" "\$args1" ;;
+        3) set -- "\$args0" "\$args1" "\$args2" ;;
+        4) set -- "\$args0" "\$args1" "\$args2" "\$args3" ;;
+        5) set -- "\$args0" "\$args1" "\$args2" "\$args3" "\$args4" ;;
+        6) set -- "\$args0" "\$args1" "\$args2" "\$args3" "\$args4" "\$args5" ;;
+        7) set -- "\$args0" "\$args1" "\$args2" "\$args3" "\$args4" "\$args5" "\$args6" ;;
+        8) set -- "\$args0" "\$args1" "\$args2" "\$args3" "\$args4" "\$args5" "\$args6" "\$args7" ;;
+        9) set -- "\$args0" "\$args1" "\$args2" "\$args3" "\$args4" "\$args5" "\$args6" "\$args7" "\$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\\\n "\$i" | sed "s/'/'\\\\\\\\''/g;1s/^/'/;\\\$s/\\\$/' \\\\\\\\/" ; done
+    echo " "
+}
+APP_ARGS=`save "\$@"`
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- \$DEFAULT_JVM_OPTS \$JAVA_OPTS \$${optsEnvironmentVar} <% if ( appNameSystemProperty ) { %>"\"-D${appNameSystemProperty}=\$APP_BASE_NAME\"" <% } %>-classpath "\"\$CLASSPATH\"" <% if ( mainClassName.startsWith('--module ') ) { %>--module-path "\"\$MODULE_PATH\"" <% } %>${mainClassName} "\$APP_ARGS"
+
+exec "\$JAVACMD" "\$@"