PH51990: DBB API SEARCHPATHDEPENDENCYRESOLVER IS SLOW AND CONSUMES TOO MUCH CPU

APAR status

• Closed as duplicate of another APAR.

Error description

• In IBM Dependency Based Build (DBB) v1.1.3 and v2.0, the API
  SearchPathDependencyResolver takes a lot of CPU and is slow when
  the search root directory contains a lot of files.
  When there is a CPU limit then the build may fail with the
  error: CEE5230S The signal SIGXCPU was received.
  
  For example with a search root like
  "search:[SYSLIB:MACRO]/path/to/workspace?path=application/MACLIB
  /*.MAC" then an execution of a build shows:
  
  real 0m22.02s
  user 0m14.50s
  
  with the search root
  "search:[SYSLIB:MACRO]/path/to/workspace/application/MACLIB/?pat
  h=*.MAC", it shows:
  
  real    0m10.84s
  user    0m 7.70
  

Local fix

• When possible then narrow down the search root DIR.
  In zAppBuild, it is set by parameters *_dependencySearch (i.e.
  cobol_dependencySearch, assembler_dependencySearch, ...)
  

Problem summary

Problem conclusion

Temporary fix

Comments

• Close as duplicate of cumulative apar PH53100
  

APAR Information

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

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

Fix information

Applicable component levels