High CPU load and slowness in GCM cipher encryption

Issue

• We are seeing slowness and high CPU in GCM cipher encryption operations:

"http-0.0.0.0:8443-48" #1277 prio=5 os_prio=0 tid=0x00007fa7a41ff000 nid=0x121f0 runnable [0x00007fa6db4c8000]
   java.lang.Thread.State: RUNNABLE
    at com.sun.crypto.provider.GHASH.update(GHASH.java:167)
    at com.sun.crypto.provider.GaloisCounterMode.doLastBlock(GaloisCounterMode.java:362)
    at com.sun.crypto.provider.GaloisCounterMode.encryptFinal(GaloisCounterMode.java:419)
    at com.sun.crypto.provider.CipherCore.finalNoPadding(CipherCore.java:1025)
    at com.sun.crypto.provider.CipherCore.doFinal(CipherCore.java:984)
    at com.sun.crypto.provider.AESCipher.engineDoFinal(AESCipher.java:479)
    at javax.crypto.CipherSpi.bufferCrypt(CipherSpi.java:776)
    at javax.crypto.CipherSpi.engineDoFinal(CipherSpi.java:730)
    at javax.crypto.Cipher.doFinal(Cipher.java:2460)
    at sun.security.ssl.CipherBox.encrypt(CipherBox.java:396)
    at sun.security.ssl.EngineOutputRecord.write(EngineOutputRecord.java:300)
    at sun.security.ssl.EngineOutputRecord.write(EngineOutputRecord.java:225)
    at sun.security.ssl.EngineWriter.writeRecord(EngineWriter.java:186)
    - locked <0x0000000780e5b560> (a sun.security.ssl.EngineWriter)
    at sun.security.ssl.SSLEngineImpl.writeRecord(SSLEngineImpl.java:1300)
    at sun.security.ssl.SSLEngineImpl.writeAppRecord(SSLEngineImpl.java:1271)
    - locked <0x0000000780e5d2c0> (a java.lang.Object)
    at sun.security.ssl.SSLEngineImpl.wrap(SSLEngineImpl.java:1186)
    - locked <0x0000000780e5d2a0> (a java.lang.Object)
    at javax.net.ssl.SSLEngine.wrap(SSLEngine.java:469)