Alexey Goncharuk created IGNITE-5558:
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Summary: Add ability to read WAL outside of an Ignite node
Key: IGNITE-5558
URL: https://issues.apache.org/jira/browse/IGNITE-5558
Project: Ignite
Issue Type: Improvement
Components: cache
Affects Versions: 2.1
Reporter: Alexey Goncharuk
Fix For: 2.2
Currently, the WAL iterator can be obtained from the WAL manager when an Ignite
node is up and running.
However, it may be extremely useful to read WAL in an 'offline' mode, when a
node is not started up. This may be required for crash analysis or to export
committed data to some external systems.
In the future we can make this even a public interface, however as a starting
point, I would like to keep it in private package because moving to the public
package will require Iterator and records to be public too.
So, as a starting point, we need:
* An object that will allow us to get WALIterator instances (probably, should
be closeable)
* A method on this object which will create an iterator by a file name or file
names
Using this object should not require an active Ignite instance running.
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