After upgrading from Access 7.4.3.200 (llt 7.4.2.2300) to Access 8.0.100.1 (llt 8.0.0.1400), the 'load average' is much higher although the workload hasn't changed.

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Article ID: 100055570

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Updated On:

Cause

LLT 8.0 introduced a feature that sets llt_hb thread in uninterruptable sleep state (D) while waiting for i/o. The 'load average' takes into account both the processes waiting for CPU and the processes in uninterruptable sleep state.

 

Resolution

The fix has been included in Access 8.0.200 which is available for download from:

 

https://www.veritas.com/content/support/en_US/downloads/update.UPD445144

 

To disable this feature temporarily:

# lltconfig -H hbthread:0

To disable this feature permanently:

# vi /etc/llttab

set-misc hbthread:0

To verify that this feature is disabled:

# lltconfig -H query
Current LLT miscellaneous values:
sleepalloc = 0
hbthread = 0

Issue/Introduction

After upgrading from Access 7.4.3.200 (llt 7.4.2.2300) to Access 8.0.100.1 (llt 8.0.0.1400), the 'load average' is much higher although the workload hasn't changed.

Additional Information

ETrack: 4093905 JIRA: STESC-7768