PH37613: PERFORMANCE DEGRADATION IN CLEARCASE 9.0.1.11 MVFS WHEN CROWDSTRIKE IS INSTALLED ON THE HOST.

APAR status

• Closed as program error.

Error description

• After upgrading to IBM Rational ClearCase version 9.0.1.11 on
  hosts where Crowdstrike is also installed there have been
  noticeable performance degradations in operations run within
  dynamic views.
  
  WORKAROUND:
  None.
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED:                                              *
  * Users of ClearCase dynamic views on Microsoft Windows, on    *
  * systems with CrowdStrike antivirus                           *
  ****************************************************************
  * PROBLEM DESCRIPTION:                                         *
  * A change made in a previous version of ClearCase introduced  *
  * a performance degradation which affects some file scanning   *
  * operations by antivirus product CrowdStrike.                 *
  ****************************************************************
  * RECOMMENDATION:                                              *
  ****************************************************************
  

Problem conclusion

• This problem is fixed in ClearCase versions 9.0.1.12, 9.0.2.4,
  and 9.1.0.1.
  

Temporary fix

Comments

APAR Information

• APAR is sysrouted FROM one or more of the following:

• APAR is sysrouted TO one or more of the following:

Fix information

• Fixed component name

  CLEARCASE WIN

• Fixed component ID

  5724G2900

Applicable component levels