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docs(ds): Update README

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ieQu1 2024-04-13 21:38:45 +02:00
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apps/emqx_durable_storage/README.md
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@ -13,7 +13,7 @@ This makes the storage disk requirements very predictable: only the number of _p
DS _backend_ is a callback module that implements `emqx_ds` behavior.
EMQX repository contains the "builtin" backend, implemented in `emqx_ds_replication_layer` module, that uses RocksDB as the main storage.
EMQX repository contains the "builtin" backend, implemented in `emqx_ds_replication_layer` module, that uses Raft algorithm for data replication, and RocksDB as the main storage.
Note that builtin backend introduces the concept of **site** to alleviate the problem of changing node names.
Site IDs are persistent, and they are randomly generated at the first startup of the node.
@ -95,10 +95,10 @@ Consumption of messages is done in several stages:
# Limitation
- Builtin backend currently doesn't replicate data across different sites
- There is no local cache of messages, which may result in transferring the same data multiple times
# Documentation links
TBD
# Usage