improvement: use db compression

Cargo.lock

@@ -149,6 +149,9 @@ name = "cc"
 version = "1.0.67"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e3c69b077ad434294d3ce9f1f6143a2a4b89a8a2d54ef813d85003a4fd1137fd"
+dependencies = [
+ "jobserver",
+]
 
 [[package]]
 name = "cfg-if"
@@ -801,6 +804,15 @@ version = "2.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "47be2f14c678be2fdcab04ab1171db51b2762ce6f0a8ee87c8dd4a04ed216135"
 
+[[package]]
+name = "itertools"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "284f18f85651fe11e8a991b2adb42cb078325c996ed026d994719efcfca1d54b"
+dependencies = [
+ "either",
+]
+
 [[package]]
 name = "itertools"
 version = "0.10.0"
@@ -816,6 +828,15 @@ version = "0.4.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dd25036021b0de88a0aff6b850051563c6516d0bf53f8638938edbb9de732736"
 
+[[package]]
+name = "jobserver"
+version = "0.1.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c71313ebb9439f74b00d9d2dcec36440beaf57a6aa0623068441dd7cd81a7f2"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "jpeg-decoder"
 version = "0.1.22"
@@ -2023,6 +2044,7 @@ dependencies = [
  "libc",
  "log",
  "parking_lot",
+ "zstd",
 ]
 
 [[package]]
@@ -2067,7 +2089,7 @@ checksum = "3015a7d0a5fd5105c91c3710d42f9ccf0abfb287d62206484dcc67f9569a6483"
 name = "state-res"
 version = "0.1.0"
 dependencies = [
- "itertools",
+ "itertools 0.10.0",
  "log",
  "maplit",
  "ruma",
@@ -2754,3 +2776,34 @@ name = "yansi"
 version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9fc79f4a1e39857fc00c3f662cbf2651c771f00e9c15fe2abc341806bd46bd71"
+
+[[package]]
+name = "zstd"
+version = "0.5.4+zstd.1.4.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "69996ebdb1ba8b1517f61387a883857818a66c8a295f487b1ffd8fd9d2c82910"
+dependencies = [
+ "zstd-safe",
+]
+
+[[package]]
+name = "zstd-safe"
+version = "2.0.6+zstd.1.4.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "98aa931fb69ecee256d44589d19754e61851ae4769bf963b385119b1cc37a49e"
+dependencies = [
+ "libc",
+ "zstd-sys",
+]
+
+[[package]]
+name = "zstd-sys"
+version = "1.4.18+zstd.1.4.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a1e6e8778706838f43f771d80d37787cb2fe06dafe89dd3aebaf6721b9eaec81"
+dependencies = [
+ "cc",
+ "glob",
+ "itertools 0.9.0",
+ "libc",
+]

Cargo.toml

@@ -32,7 +32,7 @@ state-res = { path = "../state-res", features = ["unstable-pre-spec", "gen-event
 # Used for long polling and federation sender, should be the same as rocket::tokio
 tokio = "1.2.0"
 # Used for storing data permanently
-sled = { version = "0.34.6", default-features = false }
+sled = { version = "0.34.6", default-features = false, features = ["compression"] }
 # Used for emitting log entries
 log = "0.4.14"
 # Used for rocket<->ruma conversions

src/database.rs

@@ -103,6 +103,7 @@ impl Database {
         let db = sled::Config::default()
             .path(&config.database_path)
             .cache_capacity(config.cache_capacity as u64)
+            .use_compression(true)
             .open()?;
 
         info!("Opened sled database at {}", config.database_path);