H2
Activate H2 as storage, set storage provider to H2 In-Memory Databases by default in the distribution package.
Please read Database URL Overview
in H2 official document.
You can set the target to H2 in Embedded, Server and Mixed modes.
Setting fragment example
storage:
selector: ${SW_STORAGE:h2}
h2:
driver: org.h2.jdbcx.JdbcDataSource
url: jdbc:h2:mem:skywalking-oap-db
user: sa
maxSizeOfBatchSql: ${SW_STORAGE_MAX_SIZE_OF_BATCH_SQL:100}
asyncBatchPersistentPoolSize: ${SW_STORAGE_ASYNC_BATCH_PERSISTENT_POOL_SIZE:1}