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From Paul Lam <paullin3...@gmail.com>
Subject Re: RocksDBStatebackend does not write checkpoints to backup path
Date Thu, 28 Mar 2019 09:10:56 GMT
Hi Gordon,

Thanks for your reply. I’ve found out that it should be a bug of RocksDBStateBackend [1].

[1] https://issues.apache.org/jira/browse/FLINK-12042 <https://issues.apache.org/jira/browse/FLINK-12042>

Best,
Paul Lam

> 在 2019年3月28日,17:03,Tzu-Li (Gordon) Tai <tzulitai@apache.org> 写道:
> 
> Hi,
> 
> Do you have the full error message of the failure?
> A wild guess to begin with: have you made sure that there are sufficient permissions
to create the directory?
> 
> Best,
> Gordon
> 
> On Tue, Mar 26, 2019 at 5:46 PM Paul Lam <paullin3280@gmail.com <mailto:paullin3280@gmail.com>>
wrote:
> Hi,
> 
> I have a job (with Flink 1.6.4) which uses rocksdb incremental checkpointing, but the
checkpointing always fails with `IllegalStateException`, 
> because hen performing `RocksDBIncrementalSnapshotOperation`, rocksdb finds that `localBackupDirectory`,
which should be created earlier
> by rocksdb checkpoint, doesn’t exist. But there is no error message about failures
of rocksdb checkpoint. 
> 
> What could possibly be the cause? Thanks a lot!
> 
> Best,
> Paul Lam
> 


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