Hi, We found that our application savepoint restoration time (~ 40 mins) is much slower than checkpoint restoration time (~ 4 mins). We wonder if this is expected behavior or not?
Some detail about the environment:
* Flink version: 1.14.0
* Persistent storage is GCS, via the following jars:
* flink-shaded-hadoop-3-uber-3.1.1.7.2.9.0-173-9.0.jar
* gcs-connector-hadoop3-2.2.2-shaded.jar
* Unaligned checkpoint is enabled.
* The network ingress for checkpoint restoration (~ 750 MiB/s) is much
faster than savepoint restoration (~ 50 MiB/s)
* Checkpoint and savepoint uses different GCS buckets, not sure if this
will affect the throughput of GCS.
--
ChangZhuo Chen (陳昌倬) czchen@{czchen,debian}.org
http://czchen.info/
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