HyperLogLog
Object Hierarchy:
Description:
public class HyperLogLog : Object
HyperLogLog cardinality estimator.
HyperLogLog estimates unique count with fixed memory usage. It is suitable for large-scale log and metric aggregation.
Content:
Static methods:
Methods:
- public void add (string value)
Adds value to estimator.
- public void addAll (ArrayList<string> values)
Adds multiple values.
- public void addBytes (uint8[] value)
Adds raw bytes to estimator.
- public void clear ()
Clears internal state.
- public int64 count ()
Returns estimated unique count.
- public double errorRate ()
Returns configured error rate of this instance.
- public bool merge (HyperLogLog other)
Merges another HyperLogLog into this instance.
- public int registerCount ()
Returns internal register count.
- public uint8[] toBytes ()
Serializes estimator state.
Inherited Members:
All known members inherited from class GLib.Object
- @get
- @new
- @ref
- @set
- add_toggle_ref
- add_weak_pointer
- bind_property
- connect
- constructed
- disconnect
- dispose
- dup_data
- dup_qdata
- force_floating
- freeze_notify
- get_class
- get_data
- get_property
- get_qdata
- get_type
- getv
- interface_find_property
- interface_install_property
- interface_list_properties
- is_floating
- new_valist
- new_with_properties
- newv
- notify
- notify_property
- ref_count
- ref_sink
- remove_toggle_ref
- remove_weak_pointer
- replace_data
- replace_qdata
- set_data
- set_data_full
- set_property
- set_qdata
- set_qdata_full
- set_valist
- setv
- steal_data
- steal_qdata
- thaw_notify
- unref
- watch_closure
- weak_ref
- weak_unref