BestHub
Sign in
Tencent Cloud Middleware
Tencent Cloud Middleware
Jul 21, 2023 · Backend Development

How Pulsar GEO Replication Keeps Subscription State in Sync Across Clusters

This article explains how Apache Pulsar's GEO Replication synchronizes subscription state between primary and backup clusters, detailing the challenges of ledger mismatches, the two‑step mapping process for MessageIds, and the mechanisms that ensure seamless failover without duplicate consumption.

Apache PulsarDistributed MessagingGEO Replication
0 likes · 8 min read
How Pulsar GEO Replication Keeps Subscription State in Sync Across Clusters
Tencent Cloud Middleware
Tencent Cloud Middleware
Feb 23, 2023 · Cloud Native

How Apache Pulsar Enables Seamless Cross‑Cluster Tenant Migration with Replication and Subscription Sync

This article explains how Apache Pulsar’s cross‑region data replication and subscription‑progress synchronization are implemented and optimized, and how they are combined with the Lookup Service to achieve reliable tenant migration across clusters in a cloud‑native environment.

Apache PulsarCross‑Region ReplicationSubscription Sync
0 likes · 16 min read
How Apache Pulsar Enables Seamless Cross‑Cluster Tenant Migration with Replication and Subscription Sync