A persistent variable is not the same as a normal Python global variable. A normal global variable is not persisted between executions of a workflow. Do not rely on normal global variables for any state necessary to finalize a transaction.
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Example - Persistent variables for Python processing agent
Code Block
counter = persistent(0) # Defines a persistent variable with default value 0
def endBatch():
debug('endBatch')
counter.value += 1
# The persistent variable is persisted after this function block has been executed
def commit():
debug('commit')
# The persistent variable is available in commit during both normal and recovery commits
debug(counter)
