DRILL-8467: Update Netty to 4.1.101 (#2857)

* Update Netty to 4.1.101
* Bump up the jdbc-all size limit in the hadoop-2 profile
diff --git a/exec/jdbc-all/pom.xml b/exec/jdbc-all/pom.xml
index c61437c..c181bd1 100644
--- a/exec/jdbc-all/pom.xml
+++ b/exec/jdbc-all/pom.xml
@@ -882,7 +882,7 @@
     <profile>
       <id>hadoop-2</id>
       <properties>
-        <jdbc-all-jar.maxsize>54000000</jdbc-all-jar.maxsize>
+        <jdbc-all-jar.maxsize>54100000</jdbc-all-jar.maxsize>
       </properties>
     </profile>
   </profiles>
diff --git a/exec/memory/base/src/main/java/io/netty/buffer/PooledByteBufAllocatorL.java b/exec/memory/base/src/main/java/io/netty/buffer/PooledByteBufAllocatorL.java
index bee3beb..d5f4ee3 100644
--- a/exec/memory/base/src/main/java/io/netty/buffer/PooledByteBufAllocatorL.java
+++ b/exec/memory/base/src/main/java/io/netty/buffer/PooledByteBufAllocatorL.java
@@ -90,7 +90,14 @@
 
     @SuppressWarnings("unchecked")
     public InnerAllocator() {
-      super(true);
+      super(true,
+          PooledByteBufAllocator.defaultNumHeapArena(),
+          PooledByteBufAllocator.defaultNumDirectArena(),
+          PooledByteBufAllocator.defaultPageSize(),
+          Integer.getInteger("io.netty.allocator.maxOrder", 11),
+          PooledByteBufAllocator.defaultSmallCacheSize(),
+          PooledByteBufAllocator.defaultNormalCacheSize(),
+          Boolean.parseBoolean(System.getProperty("io.netty.allocator.useCacheForAllThreads", "true")));
 
       try {
         Field f = PooledByteBufAllocator.class.getDeclaredField("directArenas");
diff --git a/pom.xml b/pom.xml
index b8defc9..ea258bc 100644
--- a/pom.xml
+++ b/pom.xml
@@ -111,7 +111,7 @@
     <jna.version>5.13.0</jna.version>
     <commons.compress.version>1.25.0</commons.compress.version>
     <hikari.version>4.0.3</hikari.version>
-    <netty.version>4.1.73.Final</netty.version>
+    <netty.version>4.1.101.Final</netty.version>
     <httpclient.version>4.5.14</httpclient.version>
     <libthrift.version>0.18.1</libthrift.version>
     <derby.version>10.14.2.0</derby.version>