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| author | Alex Auvolat <alex@adnab.me> | 2023-09-11 18:03:20 +0200 |
|---|---|---|
| committer | Alex Auvolat <alex@adnab.me> | 2023-09-11 18:03:44 +0200 |
| commit | 51b9731a086b4e158cbfa2127bcbfd6cb6274578 (patch) | |
| tree | ce5bac4a3fa0ef4a7546c91ad87a5161c3367a35 /doc/book/reference-manual | |
| parent | 5f86b48f9766019c6c74d14c2fba8c1176423cfb (diff) | |
| download | garage-51b9731a086b4e158cbfa2127bcbfd6cb6274578.tar.gz garage-51b9731a086b4e158cbfa2127bcbfd6cb6274578.zip | |
make lmdb's map_size configurable (fix #628)
Diffstat (limited to 'doc/book/reference-manual')
| -rw-r--r-- | doc/book/reference-manual/configuration.md | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/doc/book/reference-manual/configuration.md b/doc/book/reference-manual/configuration.md index b916bb61..c3b8ca00 100644 --- a/doc/book/reference-manual/configuration.md +++ b/doc/book/reference-manual/configuration.md @@ -17,6 +17,7 @@ block_size = 1048576 sled_cache_capacity = 134217728 sled_flush_every_ms = 2000 +lmdb_map_size = "10T" replication_mode = "3" @@ -160,6 +161,14 @@ Increase this if sled is thrashing your SSD, at the risk of losing more data in of a power outage (though this should not matter much as data is replicated on other nodes). The default value, 2000ms, should be appropriate for most use cases. +### `lmdb_map_size` + +This parameters can be used to set the map size used by LMDB, +which is the size of the virtual memory region used for mapping the database file. +The value of this parameter is the maximum size the metadata database can take. +This value is not bound by the physical RAM size of the machine running Garage. +If not specified, it defaults to 1GiB on 32-bit machines and 1TiB on 64-bit machines. + ### `replication_mode` Garage supports the following replication modes: |