leofs - 技术专题

The LeoFS Storage System

leo_object_storage is a log-structured object/BLOB storage.

leo_redundant_manager monitors Gateway-node(s) and Storage-node(s) to keep availability and consistency. leo_redundant_manager also manages and provides routing-table(RING).

The note of LeoFS' developers and LeoFS' benchmark report to developers and users

leo_mq is a local message-queueing library.

leo_backend_db is a wrapper library for Basho bitcask, Basho eleveldb and Erlang ETS. They are used as local KVS in LeoFS.

An original RPC library written in Erlang whose interface is similar to Erlang's buildin RPC.

leo_logger is a logging library for LeoFS and other Erlang applications. It has plugin-mechanism.

leo_cache is an object caching server into RAM and Disc (SSD)

leo_statistics collects Erlang VM’s statistics and application’s statistics.

leo_pod - A Fast Erlang worker pool manager

leo_ordning_reda is a library to stack objects and send stacked objects with async.

LeoFS’ test cases for S3-clients

leo_commons include common modules for LeoFS and other Erlang applications.

leo_watchdog keep monitoring an application in order to realize high-availability.

leofs_rpm is a LeoFS' configuration file for RPM and DEB

LeoFS' Ansible for deployment and operation of LeoFS

leo_s3_libs are S3 related libraries for LeoFS and other Erlang applications.

leo_tran is a library to handle a data-transaction. We can easily write programs that manager a data-transaction to avoid a conflicts and reduce unnecessary requests between nodes.

LeoFS Exporter for Prometheus