static Put createPutForNamespaceSnapshotSize(String namespace, long size) {
    Put p = new Put(getNamespaceRowKey(namespace));
    p.addColumn(QUOTA_FAMILY_USAGE, QUOTA_SNAPSHOT_SIZE_QUALIFIER,
      org.apache.hadoop.hbase.shaded.protobuf.generated.QuotaProtos.SpaceQuotaSnapshot.newBuilder()
        .setQuotaUsage(size).build().toByteArray());
    return p;
  }
Creates a {@code Put} for the namespace's total snapshot size.
hbase-client/src/main/java/org/apache/hadoop/hbase/quotas/QuotaTableUtil.java