HEARTBEAT.
**"Actually downloading information as part of a NSA-approved program, called Heartbeat."
***"APAR status
Closed as program error.
Error description
OLDEST_COMMIT_LSN value in IBMQREP_APPLYMON gets reset to zero
if there is a period of no activity and Q CAPTURE has sent a
Heartbeat message.
Local fix
Problem summary
If Q APPLY has no outstanding transactions to
be applied, and receives a Heartbeat message
from Q Capture, it may cause the
OLDEST_COMMIT_LSN value in IBMQREP_APPLYMON to
be reported incorrectly as zero for that
monitoring interval. This behavior is not as
per product specifications.
Problem conclusion
Q APPLY has been fixed to prevent resetting
OLDEST_COMMIT_LSN to zero while handling
Heartbeat messages and will report the
commit LSN of the last applied transaction
instead.
PMR Number: 54925,010,678"
CORONA_OFFLINE_Deac[0000].
Definition - What does Corona mean?
Corona is an open-source scheduling framework used on Apache Hadoop based data infrastructure. Corona was initially designed by Facebook to cope up with a large amount of current, incoming data and the queries processed by each data cluster. Corona is considered an advancement or successor to Hadoop MapReduce.
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https:// github.com/apache/hadoop
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>News unlocks MAP.
>Think Mirror.
"Time cannot break the bird's wing from the bird.
Bird and wing together
Go down, one feather.
No thing that ever flew,
Not the lark, not you,
Can die as others do. "
>Which team?
>THEY don't know.
>APACHE.
>https:// github.com/apache/hadoop
>https:// github.com/apache/hadoop
>https:// github.com/apache/hadoop
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