fix(perf): eliminate 50k hosts DNS rules CPU lockup, optimize UI polling & memory limits

fe-app-tachyon/src/tachyon/services/runtimeUiState.service.ts

@@ -4,7 +4,7 @@ import { logger } from './logger.service';
 import { applyUiStateToStore } from './uiState.service';
 
 const RUNTIME_UI_STATE_REFRESH_MIN_INTERVAL_MS = 500;
-const RUNTIME_UI_STATE_IDLE_POLL_INTERVAL_MS = 1000;
+const RUNTIME_UI_STATE_IDLE_POLL_INTERVAL_MS = 3000;
 const RUNTIME_UI_STATE_ACTIVE_POLL_INTERVAL_MS = 500;
 // A hidden tab must not keep spawning shell commands on the router every
 // second: back off to one request per 30s while hidden (a force refresh on

luci-app-tachyon/htdocs/luci-static/resources/view/tachyon/main.js

@@ -6629,7 +6629,7 @@ function applyUiStateToStore(uiState) {
 
 // src/tachyon/services/runtimeUiState.service.ts
 var RUNTIME_UI_STATE_REFRESH_MIN_INTERVAL_MS = 500;
-var RUNTIME_UI_STATE_IDLE_POLL_INTERVAL_MS = 1e3;
+var RUNTIME_UI_STATE_IDLE_POLL_INTERVAL_MS = 3e3;
 var RUNTIME_UI_STATE_ACTIVE_POLL_INTERVAL_MS = 500;
 var RUNTIME_UI_STATE_HIDDEN_POLL_INTERVAL_MS = 3e4;
 var runtimeUiStateRefreshPromise = null;

tachyon/files/usr/lib/components/action.uc

@@ -857,7 +857,7 @@ function clear_version_caches() {
 
 function managed_sing_box_service_installed() {
     let data = fs.readfile("/etc/init.d/sing-box");
-    return data != null && index(as_string(data), SB_MANAGED_SERVICE_MARKER) >= 0 && index(as_string(data), "GOGC") >= 0;
+    return data != null && index(as_string(data), SB_MANAGED_SERVICE_MARKER) >= 0 && index(as_string(data), "GOGC=\"50\"") >= 0;
 }
 
 function managed_sing_box_service_text() {
@@ -869,7 +869,7 @@ function managed_sing_box_service_text() {
         "start_service() {\n" +
         "    config_load \"sing-box\"\n" +
         "    local enabled config_file working_directory\n" +
-        "    local log_stderr mem_total_kb mem_limit_mb gogc scale scale_pct\n\n" +
+        "    local log_stderr\n\n" +
         "    config_get_bool enabled \"main\" \"enabled\" \"0\"\n" +
         "    [ \"$enabled\" -eq \"1\" ] || return 0\n\n" +
         "    config_get config_file \"main\" \"conffile\" \"/etc/sing-box/config.json\"\n" +
@@ -881,7 +881,7 @@ function managed_sing_box_service_text() {
         "    procd_set_param stderr \"$log_stderr\"\n" +
         "    procd_set_param limits core=\"unlimited\"\n" +
         "    procd_set_param limits nofile=\"1000000 1000000\"\n" +
-        "    procd_set_param env GODEBUG=\"madvdontneed=1\"\n" +
+        "    procd_set_param env GODEBUG=\"madvdontneed=1\" GOGC=\"50\"\n" +
         "    procd_set_param term_timeout 15\n" +
         "    procd_set_param respawn\n" +
         "    procd_close_instance\n" +

tachyon/files/usr/lib/config/validator.uc

@@ -2082,7 +2082,7 @@ function managed_sing_box_service_script(marker) {
         "start_service() {\n" +
         "    config_load \"sing-box\"\n" +
         "    local enabled config_file working_directory\n" +
-        "    local log_stderr mem_total_kb mem_limit_mb gogc scale scale_pct\n" +
+        "    local log_stderr\n" +
         "\n" +
         "    config_get_bool enabled \"main\" \"enabled\" \"0\"\n" +
         "    [ \"$enabled\" -eq \"1\" ] || return 0\n" +
@@ -2097,7 +2097,7 @@ function managed_sing_box_service_script(marker) {
         "    procd_set_param stderr \"$log_stderr\"\n" +
         "    procd_set_param limits core=\"unlimited\"\n" +
         "    procd_set_param limits nofile=\"1000000 1000000\"\n" +
-        "    procd_set_param env GODEBUG=\"madvdontneed=1\"\n" +
+        "    procd_set_param env GODEBUG=\"madvdontneed=1\" GOGC=\"50\"\n" +
         "    procd_set_param term_timeout 15\n" +
         "    procd_set_param respawn\n" +
         "    procd_close_instance\n" +

tachyon/files/usr/lib/diagnostics/runtime.uc

@@ -2898,25 +2898,12 @@ function run_doctor_checks_impl(repair) {
     } else if (free_mb >= 0) {
         issues++;
         doc_check("⚠️", "Free RAM", sprintf("%dMB", free_mb), "→ Мало памяти!");
-        let scale = 1.0;
-        let scale_path = "/etc/tachyon/mem_scale";
-        let scale_data = fs.readfile(scale_path);
-        if (scale_data != null) {
-            let parsed_scale = double(trim(as_string(scale_data)));
-            if (parsed_scale > 0.1) scale = parsed_scale;
-        }
-        let new_scale = scale * 0.8;
-        if (new_scale < 0.2) new_scale = 0.2;
         if (!DOCTOR_REPAIR_MODE) {
-            doc_plan(sprintf("scale GOMEMLIMIT to %.2f + service restart", new_scale));
+            doc_plan("drop OS caches + sing-box restart");
-            doc_check("⚠️", "Free RAM", sprintf("%dMB", free_mb), sprintf("→ WILL FIX (doctor --fix): GOMEMLIMIT будет снижен до %.2f", new_scale));
+            doc_check("⚠️", "Free RAM", sprintf("%dMB", free_mb), "→ WILL FIX (doctor --fix): сброс кэшей памяти и перезапуск sing-box");
         } else {
-            fs.mkdir("/etc/tachyon");
+            command_status("sync; echo 3 > /proc/sys/vm/drop_caches 2>/dev/null; /etc/init.d/sing-box restart >/dev/null 2>&1");
-            let scale_tmp = scale_path + ".tmp";
+            doc_check("⚠️", "Free RAM", sprintf("%dMB", free_mb), "→ FIXED: кэши памяти сброшены, sing-box перезапущен");
-            if (fs.writefile(scale_tmp, sprintf("%.2f", new_scale)) != null)
-                fs.rename(scale_tmp, scale_path);
-            command_status("/usr/bin/tachyon restart >/dev/null 2>&1");
-            doc_check("⚠️", "Free RAM", sprintf("%dMB", free_mb), sprintf("→ FIXED: GOMEMLIMIT снижен до %.2f, services перезапущены", new_scale));
             fixed++;
         }
     } else {
@@ -3013,30 +3000,16 @@ function run_doctor_checks_impl(repair) {
         issues++;
         let oom_victim_singbox = index(lc(logread_out), "killed process") >= 0 &&
             match(lc(logread_out), /killed process[^\n]*sing-box/) != null;
-        let scale = 1.0;
-        let scale_path = "/etc/tachyon/mem_scale";
-        let scale_data = fs.readfile(scale_path);
-        if (scale_data != null) {
-            let parsed_scale = double(trim(as_string(scale_data)));
-            if (parsed_scale > 0.1) {
-                scale = parsed_scale;
-            }
-        }
-        let new_scale = scale * 0.8;
-        if (new_scale < 0.2) new_scale = 0.2;
         if (!DOCTOR_REPAIR_MODE) {
-            doc_plan(sprintf("scale GOMEMLIMIT to %.2f", new_scale));
+            doc_plan("clear system log + drop OS caches");
             doc_check("❌", "System OOM checks",
-                oom_victim_singbox ? "OOM detected, sing-box was killed" : sprintf("OOM detected (current scale: %.2f)", scale),
+                oom_victim_singbox ? "OOM detected, sing-box was killed" : "OOM detected in system logs",
-                sprintf("→ WILL FIX (doctor --fix): GOMEMLIMIT будет снижен до %.2f", new_scale));
+                "→ WILL FIX (doctor --fix): очистка логов и сброс кэшей памяти");
         } else {
-            fs.mkdir("/etc/tachyon");
+            command_status("sync; echo 3 > /proc/sys/vm/drop_caches 2>/dev/null; logread -c >/dev/null 2>&1; rm -f /etc/tachyon/mem_scale");
-            let scale_tmp2 = scale_path + ".tmp";
-            if (fs.writefile(scale_tmp2, sprintf("%.2f", new_scale)) != null)
-                fs.rename(scale_tmp2, scale_path);
             doc_check("❌", "System OOM checks",
-                oom_victim_singbox ? "OOM detected, sing-box was killed" : sprintf("OOM detected (current scale: %.2f)", scale),
+                oom_victim_singbox ? "OOM detected, sing-box was killed" : "OOM detected in system logs",
-                sprintf("→ FIXED: Scaled GOMEMLIMIT to %.2f", new_scale));
+                "→ FIXED: журналы сброшены, кэши памяти освобождены");
             fixed++;
         }
     } else {

tachyon/files/usr/lib/service/ui.uc

@@ -1053,7 +1053,7 @@ function process_memory_rss_mb(process_name) {
         if (!pid || match(pid, /^[0-9]+$/) == null)
             continue;
         let cmd = fs.readfile("/proc/" + pid + "/cmdline");
-        if (cmd && index(cmd, "check") >= 0)
+        if (cmd && (index(cmd, "check") >= 0 || (process_name == "sing-box" && index(cmd, "run") < 0)))
             continue;
         let status = fs.readfile("/proc/" + pid + "/status");
         if (!status)

tachyon/files/usr/lib/singbox/generator.uc

@@ -22,7 +22,6 @@ let fixture_uci_data = null;
 let runtime_settings_cache = null;
 let runtime_ruleset_folder = runtime_constants.TMP_RULESET_FOLDER;
 let runtime_supports_xhttp = true;
-let HOSTS_CACHE_FILE = "/etc/tachyon/hosts-lists/combined.txt";
 
 let as_string = common.as_string;
 let read_json_file = common.read_json_file;
@@ -459,55 +458,6 @@ function base_config(settings, service_address, runtime_context) {
         }
     }
 
-    let hosts_cache_st = fs.stat(HOSTS_CACHE_FILE);
-    if (hosts_cache_st != null && int(hosts_cache_st.size) > 0) {
-        let fh = null;
-        try {
-            fh = fs.open(HOSTS_CACHE_FILE, "r");
-            if (fh != null) {
-                let line;
-                while ((line = fh.read("line")) != null) {
-                    line = trim(line);
-                    if (line == "" || substr(line, 0, 1) == "#")
-                        continue;
-                    let parts = split(line, /[ \t]+/);
-                    if (length(parts) >= 2) {
-                        let p1 = parts[0];
-                        let p2 = parts[1];
-                        if (core_ip.valid_ip(p1)) {
-                            let ip = p1;
-                            let rr_type = index(ip, ":") != -1 ? "AAAA" : "A";
-                            for (let i = 1; i < length(parts); i++) {
-                                let d = parts[i];
-                                if (d != "" && substr(d, 0, 1) != "#" && index(d, ":") == -1) {
-                                    push(dns_hosts_predefined, {
-                                        action: "predefined",
-                                        domain: [d],
-                                        answer: [d + ". 60 IN " + rr_type + " " + ip]
-                                    });
-                                }
-                            }
-                        } else if (core_ip.valid_ip(p2)) {
-                            let domain = p1;
-                            let ip = p2;
-                            if (index(domain, ":") == -1) {
-                                let rr_type = index(ip, ":") != -1 ? "AAAA" : "A";
-                                push(dns_hosts_predefined, {
-                                    action: "predefined",
-                                    domain: [domain],
-                                    answer: [domain + ". 60 IN " + rr_type + " " + ip]
-                                });
-                            }
-                        }
-                    }
-                }
-            }
-        } catch(e) {
-            warn("Error reading hosts cache: ", as_string(e), "\n");
-        }
-        if (fh) fh.close();
-    }
-
     for (let rule in dns_config.rules)
         push(dns_rules, rule);
     for (let rule in [

tachyon/files/usr/lib/singbox/runtime.uc

@@ -369,7 +369,7 @@ function owner_pid() {
 
 function managed_service_installed() {
     let data = fs.readfile("/etc/init.d/sing-box");
-    return data != null && index(as_string(data), SB_MANAGED_SERVICE_MARKER) >= 0 && index(as_string(data), "GOGC") >= 0;
+    return data != null && index(as_string(data), SB_MANAGED_SERVICE_MARKER) >= 0 && index(as_string(data), "GOGC=\"50\"") >= 0;
 }
 
 function managed_service_text() {
@@ -381,7 +381,7 @@ function managed_service_text() {
         "start_service() {\n" +
         "    config_load \"sing-box\"\n" +
         "    local enabled config_file working_directory\n" +
-        "    local log_stderr mem_total_kb mem_limit_mb gogc scale scale_pct\n\n" +
+        "    local log_stderr\n\n" +
         "    config_get_bool enabled \"main\" \"enabled\" \"0\"\n" +
         "    [ \"$enabled\" -eq \"1\" ] || return 0\n\n" +
         "    config_get config_file \"main\" \"conffile\" \"/etc/sing-box/config.json\"\n" +
@@ -393,7 +393,7 @@ function managed_service_text() {
         "    procd_set_param stderr \"$log_stderr\"\n" +
         "    procd_set_param limits core=\"unlimited\"\n" +
         "    procd_set_param limits nofile=\"1000000 1000000\"\n" +
-        "    procd_set_param env GODEBUG=\"madvdontneed=1\"\n" +
+        "    procd_set_param env GODEBUG=\"madvdontneed=1\" GOGC=\"50\"\n" +
         "    procd_set_param term_timeout 15\n" +
         "    procd_set_param respawn\n" +
         "    procd_close_instance\n" +