Elek, Marton created HDDS-225:
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Summary: Provide docker-compose files to check the scalability of
KSM
Key: HDDS-225
URL: https://issues.apache.org/jira/browse/HDDS-225
Project: Hadoop Distributed Data Store
Issue Type: Improvement
Reporter: Elek, Marton
I open this jira to start a discussion. The main question: how can we prove the
scalability of KSM with minimal effort?
1. The goal is to prove that KSM could handle 1-10 billion of keys without any
problem.
2. 10 000 000 000 * 10 kbyte object = 10 Terrabyte space. But we need to test
only the KSM part.
3. With a low level data generator we can generate the volumes/buckets/keys
directly to the ksm.db (rocksdb). We can fake the block allocation and use
exactly the same containerid/localid for all the keys. With this method we can
test the read/list methods without any problems (all of the keys could be
downloaded.
4. With this storage optimization we can test 10 billion keys locally with a
specific docker-compose setup where the local db-s are mounted from the local
directory
5. The data could be generated (takes some time) or could be uploaded after a
generation
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