Marton Elek created HDDS-3479:
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Summary: Use SCMMetadataStore instead of low level DBStore
Key: HDDS-3479
URL: https://issues.apache.org/jira/browse/HDDS-3479
Project: Hadoop Distributed Data Store
Issue Type: Improvement
Reporter: Marton Elek
Suggested by Nanda in https://github.com/apache/hadoop-ozone/pull/700
Context: we have a low-level DBStoreBuilder with separated DB definition
(SCMDBDefinition). But as we have a higher level wrapper class
(scmMetadataStore) It seems to be more reasonable to use ScmMetadataStore
everywhere inside SCM
(Currently It's called SCMMetadataStoreRDBImpl but it's proposed to remove R
from the name as it's no more RocksDB specific)
bq. If we are going with renaming and using it, it's better to use
SCMMetadataStoreRDBImpl in all the places rather than
DBStoreBuilder.createDBStore(conf, new SCMDBDefinition()
bq.
Instead of this:
{code}
DBStore dbStore = DBStoreBuilder.createDBStore(conf, new SCMDBDefinition());
Table<PipelineID, Pipeline> pipelineTable =
SCMDBDefinition.PIPELINES.getTable(dbStore);
dbStore.close();
{code}
we can use this:
{code}
SCMMetadataStore scmMetadataStore = new SCMMetadataStoreRDBImpl(conf);
Table<PipelineID, Pipeline> pipelineTable = scmMetadataStore.getPipelineTable();
scmMetadataStore.close();
{code}
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