Github user ottobackwards commented on a diff in the pull request:
https://github.com/apache/incubator-metron/pull/397#discussion_r92866062
--- Diff: metron-platform/metron-common/README.md ---
@@ -229,21 +249,33 @@ Using parens such as: "foo" : "\<ok\>" requires
escaping; "foo": "\'\<ok\>\'"
* input - List
* Returns: Last element of the list
-### `FILL_LEFT`
- * Description: Fills or pads a given string with a given character, to a
given length on the left
+### `HLLP_CARDINALITY`
+ * Description: Returns HyperLogLogPlus-estimated cardinality for this set
* Input:
- * input - string
- * fill - the fill character
- * len - the required length
- * Returns: the filled string
+ * hyperLogLogPlus - the hllp set
+ * Returns: Long value representing the cardinality for this set
-### `FILL_RIGHT`
- * Description: Fills or pads a given string with a given character, to a
given length on the right
+### `HLLP_INIT`
+ * Description: Initializes the set
* Input:
- * input - string
- * fill - the fill character string
- * len - the required length
- * Returns: Last element of the list
+ * p (required) - the precision value for the normal set
+ * sp - the precision value for the sparse set. If sp is not specified
the sparse set will be disabled.
+ * Returns: A new HyperLogLogPlus set
+
+### `HLLP_MERGE`
+ * Description: Merge hllp sets together
+ * Input:
+ * hllp1 - first hllp set
+ * hllp2 - second hllp set
+ * hllpn - additional sets to merge
+ * Returns: A new merged HyperLogLogPlus estimator set
+
+### `HLLP_OFFER`
--- End diff --
That is a great idea
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