Module ttl 

TTL (Time-to-Live) Management for Automatic Vector Expiration

This module provides:

• Background cleanup service for expired vectors
• Namespace-specific TTL policies
• Configurable cleanup intervals and batch sizes
• Statistics tracking and monitoring
• Graceful shutdown support

Structs

NamespaceCleanupStats

Per-namespace cleanup statistics

NamespaceTtlPolicy

TTL policy for a specific namespace

TtlAwareStorage

A wrapper that applies TTL policies and tracks expiration on upsert

TtlCleanupResult

Result of a TTL cleanup operation

TtlConfig

Configuration for TTL cleanup service

TtlManager

TTL Manager for coordinating automatic vector expiration

TtlService

Background TTL cleanup service

TtlStats

Statistics for TTL cleanup operations

Functions

calculate_expiration

Calculate expiration timestamp from TTL

is_expired

Check if a timestamp has expired

remaining_ttl

Get remaining TTL from expiration timestamp