MEM-FLUSHBLOCKS

Syntax

MEM-FLUSHBLOCKS <number of blocks>

Variable

VT_MEM_FLUSHBLOCKS

Default

1024

Description

This option controls when a background thread flushes trace data into the flush file without blocking the application. It has no effect if AUTOFLUSH is disabled. Setting this option to a negative value also disables the background flushing.

Flushing is started whenever the number of blocks in memory exceeds this threshold or when a thread needs a new block, but cannot get it without flushing.

If the number of blocks also exceeds MEM-MAXBLOCKS, then the application is stopped until the background thread has flushed enough data.

For more complete information about compiler optimizations, see our Optimization Notice.
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