public long getDefaultMaxManifestFileSizeBytes() {
    return getLong(DEFAULT_ROCKSDB_MAX_MANIFEST_FILE_SIZE, DEFAULT_ROCKSDB_MAX_MANIFEST_FILE_SIZE_IN_BYTES);
  }
Helper method to get the default RocksDB max manifest file size in bytes for ANY stores, which is default to 1GB.
The default value for ANY stores can be configured by "stores-default.rocksdb.max.manifest.file.size.bytes",
and the value for a specific store can be configured by "stores.store-name.rocksdb.max.manifest.file.size".
samza-core/src/main/java/org/apache/samza/config/StorageConfig.java