From 80571ce7ba8d0e5bb59c9b417420fe4be46abbe7 Mon Sep 17 00:00:00 2001
From: andreyaksenov <duuusha@gmail.com>
Date: Mon, 19 Jun 2023 13:04:04 +0300
Subject: [PATCH] Tuple compression test

---
 .../test/performance/compression_speed.lua    | 111 ++++++++++++++++++
 1 file changed, 111 insertions(+)
 create mode 100644 doc/code_snippets/test/performance/compression_speed.lua

diff --git a/doc/code_snippets/test/performance/compression_speed.lua b/doc/code_snippets/test/performance/compression_speed.lua
new file mode 100644
index 0000000000..f11d2ef4a6
--- /dev/null
+++ b/doc/code_snippets/test/performance/compression_speed.lua
@@ -0,0 +1,111 @@
+-- This script is used to estimate the speed of CRUD operations
+-- for different compression algorithms: zstd, lz4, and zlib.
+
+box.cfg {
+    memtx_memory = 2 * 1024 * 1024 * 1024,
+    log_level = 1,
+    wal_mode = 'none'
+}
+clock = require('clock')
+
+test_space = box.schema.space.create('test_space', { if_not_exists = true })
+test_space:format({
+    { name = 'id', type = 'unsigned' },
+    { name = 'value', type = 'string', compression = 'none' }, -- Possible values: none, zstd, lz4, zlib
+})
+test_space:create_index(
+        'primary',
+        {
+            parts = { 'id' },
+            if_not_exists = true,
+        }
+)
+
+initial_data = [[
+{
+	"id": "0001",
+	"type": "donut",
+	"name": "Cake",
+	"ppu": 0.55,
+	"batters":
+		{
+			"batter":
+				[
+					{ "id": "1001", "type": "Regular" },
+					{ "id": "1002", "type": "Chocolate" },
+					{ "id": "1003", "type": "Blueberry" },
+					{ "id": "1004", "type": "Devil's Food" }
+				]
+		},
+	"topping":
+		[
+			{ "id": "5001", "type": "None" },
+			{ "id": "5002", "type": "Glazed" },
+			{ "id": "5005", "type": "Sugar" },
+			{ "id": "5007", "type": "Powdered Sugar" },
+			{ "id": "5006", "type": "Chocolate with Sprinkles" },
+			{ "id": "5003", "type": "Chocolate" },
+			{ "id": "5004", "type": "Maple" }
+		]
+}
+]]
+
+new_data = [[
+	{
+		"id": "0003",
+		"type": "donut",
+		"name": "Old Fashioned",
+		"ppu": 0.55,
+		"batters":
+			{
+				"batter":
+					[
+						{ "id": "1001", "type": "Regular" },
+						{ "id": "1002", "type": "Chocolate" }
+					]
+			},
+		"topping":
+			[
+				{ "id": "5001", "type": "None" },
+				{ "id": "5002", "type": "Glazed" },
+				{ "id": "5003", "type": "Chocolate" },
+				{ "id": "5004", "type": "Maple" }
+			]
+	}
+]]
+
+space_size = 100000
+
+function insert_bench()
+    for i = 1, space_size do
+        test_space:insert({i, tostring(initial_data)})
+    end
+end
+insert_rps = space_size / clock.bench(insert_bench)[1]
+
+function full_scan_bench()
+    test_space:select(nil, { fullscan = true })
+end
+full_scan_rps = space_size / clock.bench(full_scan_bench)[1]
+
+function select_bench()
+    for i = 1, space_size do
+        test_space:get(i)
+    end
+end
+select_rps = space_size / clock.bench(select_bench)[1]
+
+function replace_bench()
+    for i = 1, space_size do
+        test_space:replace({i, tostring(new_data)})
+    end
+end
+replace_rps = space_size / clock.bench(replace_bench)[1]
+
+print('Insert RPS: ' .. insert_rps)
+print('Full scan RPS: ' .. full_scan_rps)
+print('Select RPS: ' .. select_rps)
+print('Replace RPS: ' .. replace_rps)
+print('Space size: ' .. tostring(test_space:bsize()))
+
+os.exit()