Sergey Puchnin created IGNITE-6638:
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             Summary: Add an ability for auto activate BLT
                 Key: IGNITE-6638
                 URL: https://issues.apache.org/jira/browse/IGNITE-6638
             Project: Ignite
          Issue Type: Improvement
          Components: persistence
    Affects Versions: 2.1
            Reporter: Sergey Puchnin
            Assignee: Dmitriy Pavlov
             Fix For: 2.1


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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