Description of problem:

Engine logs are throwing parse error when it receives huge writeRate from VDSM.

[org.ovirt.engine.core.vdsbroker.vdsbroker.VdsBrokerObjectsBuilder] (DefaultQuartzScheduler10) [373252d] Failed to parse 'writeRate' value '2433810432' to integer: For input string: "2433810432"

It seems the error is fired from VdsBrokerObjectsBuilder in diskData.setWriteRate(assignIntValue(disk, VdsProperties.vm_disk_write_rate));

It needs to change the assignIntValue to assignLongValue

Version-Release number of selected component (if applicable):
ovirt-engine-4.1.6.2-0.1.el7.noarch

How reproducible:
Induce huge write I/O from VM. 

Actual results:

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2018-04-16 00:37:01,963+07 INFO  [org.ovirt.engine.?core.bll.aaa.TerminateSessionsForTokenCommand] (default task-62) [23003396] Running command: TerminateSessionsForTokenCommand internal: true.
2018-04-16 00:37:01,986+07 INFO  [org.ovirt.engine.core.sso.servlets.OAuthRevokeServlet] (default task-47) [] User admin@internal successfully logged out
2018-04-16 00:37:01,990+07 INFO  [org.ovirt.engine.core.bll.aaa.TerminateSessionsForTokenCommand] (default task-33) [4140f4c7] Running command: TerminateSessionsForTokenCommand internal: true.
2018-04-16 00:38:48,211+07 ERROR [org.ovirt.engine.core.vdsbroker.vdsbroker.VdsBrokerObjectsBuilder] (DefaultQuartzScheduler10) [373252d] Failed to parse 'writeRate' value '2433810432' to integer: For input string: "2433810432"
2018-04-16 00:41:48,683+07 ERROR [org.ovirt.engine.core.vdsbroker.vdsbroker.VdsBrokerObjectsBuilder] (DefaultQuartzScheduler10) [4b3bdda8] Failed to parse 'writeRate' value '2432188699' to integer: For input string: "2432188699"
2018-04-16 00:42:48,858+07 ERROR [org.ovirt.engine.core.vdsbroker.vdsbroker.VdsBrokerObjectsBuilder] (DefaultQuartzScheduler8) [2f34f7db] Failed to parse 'writeRate' value '4151793800' to integer: For input string: "4151793800"
2018-04-16 00:44:04,076+07 ERROR [org.ovirt.engine.core.vdsbroker.vdsbroker.VdsBrokerObjectsBuilder] (DefaultQuartzScheduler3) [437b070a] Failed to parse 'writeRate' value '2433810158' to integer: For input string: "2433810158"
2018-04-16 00:46:19,424+07 ERROR [org.ovirt.engine.core.vdsbroker.vdsbroker.VdsBrokerObjectsBuilder] (DefaultQuartzScheduler5) [5fdfeabc] Failed to parse 'writeRate' value '2575258623' to integer: For input string: "2575258623"
2018-04-16 00:47:34,702+07 ERROR [org.ovirt.engine.core.vdsbroker.vdsbroker.VdsBrokerObjectsBuilder] (DefaultQuartzScheduler7) [61beedb8] Failed to parse 'writeRate' value '2241157802' to integer: For input string: "2241157802"
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2018-04-16 09:28:51,686+07 ERROR [org.ovirt.engine.core.vdsbroker.vdsbroker.VdsBrokerObjectsBuilder] (DefaultQuartzScheduler3) [2ed85b17] Failed to parse 'writeRate' value '2290644855' to integer: For input string: "2290644855"
2018-04-16 09:29:36,762+07 ERROR [org.ovirt.engine.core.vdsbroker.vdsbroker.VdsBrokerObjectsBuilder] (DefaultQuartzScheduler4) [3559451d] Failed to parse 'writeRate' value '2271192977' to integer: For input string: "2271192977"
2018-04-16 09:31:06,931+07 ERROR [org.ovirt.engine.core.vdsbroker.vdsbroker.VdsBrokerObjectsBuilder] (DefaultQuartzScheduler7) [19809dbf] Failed to parse 'writeRate' value '3151737835' to integer: For input string: "3151737835"
2018-04-16 09:32:07,064+07 ERROR [org.ovirt.engine.core.vdsbroker.vdsbroker.VdsBrokerObjectsBuilder] (DefaultQuartzScheduler9) [44bc719d] Failed to parse 'writeRate' value '3435967283' to integer: For input string: "3435967283"
2018-04-16 09:33:07,188+07 ERROR [org.ovirt.engine.core.vdsbroker.vdsbroker.VdsBrokerObjectsBuilder] (DefaultQuartzScheduler8) [35f76ee1] Failed to parse 'writeRate' value '3438259456' to integer: For input string: "3438259456"
2018-04-16 09:34:07,291+07 ERROR [org.ovirt.engine.core.vdsbroker.vdsbroker.VdsBrokerObjectsBuilder] (DefaultQuartzScheduler6) [100c181e] Failed to parse 'writeRate' value '3147538317' to integer: For input string: "3147538317"
2018-04-16 09:35:07,417+07 ERROR [org.ovirt.engine.core.vdsbroker.vdsbroker.VdsBrokerObjectsBuilder] (DefaultQuartzScheduler10) [85695ec] Failed to parse 'writeRate' value '2290644855' to integer: For input string: "2290644855"
2018-04-16 09:35:52,504+07 ERROR [org.ovirt.engine.core.vdsbroker.vdsbroker.VdsBrokerObjectsBuilder] (DefaultQuartzScheduler4) [2ce7d1a8] Failed to parse 'writeRate' value '2575347345' to integer: For input string: "2575347345"
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Expected results:
Engine should not throw parse error on receiving huge writeRate from VDSM

Additional info:
I will be attaching the logs shortly.