tika-config.xml

<?xml version="1.0" encoding="UTF-8"?>
<properties>
  <!--See https://cwiki.apache.org/confluence/display/TIKA/TikaServer+in+Tika+2.x -->
  <server>
    <params>
      <!-- If set to 'true', this runs tika server "in process"
          in the legacy 1.x mode.
          This means that the server will be susceptible to infinite loops
          and crashes.
          If set to 'false', the server will spawn a forked
          process and restart the forked process on catastrophic failures
          (this was called -spawnChild mode in 1.x).
          noFork=false is the default in 2.x
      -->
      <noFork>false</noFork>
      <!-- maximum time to allow per parse before shutting down and restarting
          the forked parser. Not allowed if noFork=true. -->
      <taskTimeoutMillis>3600000</taskTimeoutMillis>
      <forkedJvmArgs>
        <arg>-Xmx10g</arg>
      </forkedJvmArgs> 
    </params>
  </server>
</properties>