kind PersistentVolumeClaim with the name "" already exists in the cluster and wasn't defined in the previous release. Before upgrading, please either delete the resource from the cluster or remove it from the chart code example

Example 1: PHP Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP;

//From
public function TSStatus($host, $queryPort);

//to
public function __construct($host, $queryPort);

Example 2: Gets an existing SparkSession or, if there is no existing one, creates a new one based on the options set in this builder

# if there is no existing SparkSession, creates a new one

s1 = SparkSession.builder.config("k1", "v1").getOrCreate()
s1.conf.get("k1") == s1.sparkContext.getConf().get("k1") == "v1"
# True

# In case an existing SparkSession is returned

s2 = SaprkSession.builder.config("k2", "v2").getOrCreate()
s1.conf.get("k1") == s2.conf.get("k1")
# True
s1.conf.get("k2") == s2.conf.get("k2")
# True