mirror of https://github.com/tidwall/tile38.git
Merge branch 'Ext-server-stats'
This commit is contained in:
tidwall
commit
453468cfed
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@ -66,16 +66,44 @@ func (c *Server) cmdStats(msg *Message) (res resp.Value, err error) {
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}
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return res, nil
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}
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func (c *Server) cmdServer(msg *Message) (res resp.Value, err error) {
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start := time.Now()
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m := make(map[string]interface{})
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args := msg.Args[1:]
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if len(msg.Args) != 1 {
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// Switch on the type of stats requested
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switch len(args) {
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case 0:
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c.basicStats(m)
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case 1:
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if strings.ToLower(args[0]) == "ext" {
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c.extStats(m)
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}
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default:
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return NOMessage, errInvalidNumberOfArguments
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}
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m := make(map[string]interface{})
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switch msg.OutputType {
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case JSON:
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data, err := json.Marshal(m)
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if err != nil {
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return NOMessage, err
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}
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res = resp.StringValue(`{"ok":true,"stats":` + string(data) + `,"elapsed":"` + time.Since(start).String() + "\"}")
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case RESP:
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vals := respValuesSimpleMap(m)
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res = resp.ArrayValue(vals)
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}
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return res, nil
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}
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// basicStats populates the passed map with basic system/go/tile38 statistics
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func (c *Server) basicStats(m map[string]interface{}) {
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m["id"] = c.config.serverID()
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if c.config.followHost() != "" {
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m["following"] = fmt.Sprintf("%s:%d", c.config.followHost(), c.config.followPort())
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m["following"] = fmt.Sprintf("%s:%d", c.config.followHost(),
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c.config.followPort())
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m["caught_up"] = c.fcup
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m["caught_up_once"] = c.fcuponce
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}
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@ -119,26 +147,175 @@ func (c *Server) cmdServer(msg *Message) (res resp.Value, err error) {
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m["pointer_size"] = (32 << uintptr(uint64(^uintptr(0))>>63)) / 8
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m["read_only"] = c.config.readOnly()
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m["cpus"] = runtime.NumCPU()
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m["threads"] = runtime.GOMAXPROCS(0)
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n, _ := runtime.ThreadCreateProfile(nil)
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m["threads"] = float64(n)
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}
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switch msg.OutputType {
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case JSON:
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data, err := json.Marshal(m)
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if err != nil {
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return NOMessage, err
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// extStats populates the passed map with extended system/go/tile38 statistics
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func (c *Server) extStats(m map[string]interface{}) {
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var mem runtime.MemStats
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n, _ := runtime.ThreadCreateProfile(nil)
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runtime.ReadMemStats(&mem)
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// Go/Memory Stats
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// Number of goroutines that currently exist
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m["go_goroutines"] = runtime.NumGoroutine()
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// Number of OS threads created
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m["go_threads"] = float64(n)
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// A summary of the GC invocation durations
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m["go_version"] = runtime.Version()
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// Number of bytes allocated and still in use
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m["alloc_bytes"] = mem.Alloc
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// Total number of bytes allocated, even if freed
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m["alloc_bytes_total"] = mem.TotalAlloc
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// Number of CPUS available on the system
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m["sys_cpus"] = runtime.NumCPU()
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// Number of bytes obtained from system
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m["sys_bytes"] = mem.Sys
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// Total number of pointer lookups
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m["lookups_total"] = mem.Lookups
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// Total number of mallocs
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m["mallocs_total"] = mem.Mallocs
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// Total number of frees
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m["frees_total"] = mem.Frees
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// Number of heap bytes allocated and still in use
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m["heap_alloc_bytes"] = mem.HeapAlloc
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// Number of heap bytes obtained from system
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m["heap_sys_bytes"] = mem.HeapSys
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// Number of heap bytes waiting to be used
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m["heap_idle_bytes"] = mem.HeapIdle
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// Number of heap bytes that are in use
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m["heap_inuse_bytes"] = mem.HeapInuse
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// Number of heap bytes released to OS
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m["heap_released_bytes"] = mem.HeapReleased
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// Number of allocated objects
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m["heap_objects"] = mem.HeapObjects
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// Number of bytes in use by the stack allocator
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m["stack_inuse_bytes"] = mem.StackInuse
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// Number of bytes obtained from system for stack allocator
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m["stack_sys_bytes"] = mem.StackSys
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// Number of bytes in use by mspan structures
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m["mspan_inuse_bytes"] = mem.MSpanInuse
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// Number of bytes used for mspan structures obtained from system
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m["mspan_sys_bytes"] = mem.MSpanSys
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// Number of bytes in use by mcache structures
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m["mcache_inuse_bytes"] = mem.MCacheInuse
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// Number of bytes used for mcache structures obtained from system
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m["mcache_sys_bytes"] = mem.MCacheSys
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// Number of bytes used by the profiling bucket hash table
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m["buck_hash_sys_bytes"] = mem.BuckHashSys
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// Number of bytes used for garbage collection system metadata
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m["gc_sys_bytes"] = mem.GCSys
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// Number of bytes used for other system allocations
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m["other_sys_bytes"] = mem.OtherSys
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// Number of heap bytes when next garbage collection will take place
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m["next_gc_bytes"] = mem.NextGC
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// Number of seconds since 1970 of last garbage collection
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m["last_gc_time_seconds"] = float64(mem.LastGC) / 1e9
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// The fraction of this program's available CPU time used by the GC since
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// the program started
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m["gc_cpu_fraction"] = mem.GCCPUFraction
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// Tile38 Stats
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// ID of the server
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m["tile38_id"] = c.config.serverID()
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// The process ID of the server
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m["tile38_pid"] = os.Getpid()
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// Version of Tile38 running
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m["tile38_version"] = core.Version
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// Maximum heap size allowed
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m["tile38_max_heap_size"] = c.config.maxMemory()
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// Type of instance running
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if c.config.followHost() == "" {
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m["tile38_type"] = "leader"
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} else {
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m["tile38_type"] = "follower"
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}
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res = resp.StringValue(`{"ok":true,"stats":` + string(data) + `,"elapsed":"` + time.Now().Sub(start).String() + "\"}")
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case RESP:
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vals := respValuesSimpleMap(m)
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res = resp.ArrayValue(vals)
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// Whether or not the server is read-only
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m["tile38_read_only"] = c.config.readOnly()
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// Size of pointer
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m["tile38_pointer_size"] = (32 << uintptr(uint64(^uintptr(0))>>63)) / 8
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// Uptime of the Tile38 server in seconds
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m["tile38_uptime_in_seconds"] = time.Since(c.started).Seconds()
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// Number of currently connected Tile38 clients
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c.connsmu.RLock()
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m["tile38_connected_clients"] = len(c.conns)
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c.connsmu.RUnlock()
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// Whether or not a cluster is enabled
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m["tile38_cluster_enabled"] = false
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// Whether or not the Tile38 AOF is enabled
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m["tile38_aof_enabled"] = core.AppendOnly
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// Whether or not an AOF shrink is currently in progress
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m["tile38_aof_rewrite_in_progress"] = c.shrinking
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// Length of time the last AOF shrink took
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m["tile38_aof_last_rewrite_time_sec"] = c.lastShrinkDuration.get() / int(time.Second)
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// Duration of the on-going AOF rewrite operation if any
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var currentShrinkStart time.Time
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if currentShrinkStart.IsZero() {
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m["tile38_aof_current_rewrite_time_sec"] = 0
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} else {
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m["tile38_aof_current_rewrite_time_sec"] = time.Since(currentShrinkStart).Seconds()
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}
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return res, nil
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// Total size of the AOF in bytes
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m["tile38_aof_size"] = c.aofsz
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// Whether or no the HTTP transport is being served
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m["tile38_http_transport"] = c.http
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// Number of connections accepted by the server
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m["tile38_total_connections_received"] = c.statsTotalConns.get()
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// Number of commands processed by the server
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m["tile38_total_commands_processed"] = c.statsTotalCommands.get()
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// Number of key expiration events
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m["tile38_expired_keys"] = c.statsExpired.get()
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// Number of connected slaves
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m["tile38_connected_slaves"] = len(c.aofconnM)
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points := 0
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objects := 0
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strings := 0
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c.cols.Scan(func(key string, value interface{}) bool {
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col := value.(*collection.Collection)
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points += col.PointCount()
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objects += col.Count()
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strings += col.StringCount()
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return true
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})
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// Number of points in the database
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m["tile38_num_points"] = points
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// Number of objects in the database
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m["tile38_num_objects"] = objects
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// Number of string in the database
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m["tile38_num_strings"] = strings
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// Number of collections in the database
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m["tile38_num_collections"] = c.cols.Len()
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// Number of hooks in the database
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m["tile38_num_hooks"] = len(c.hooks)
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avgsz := 0
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if points != 0 {
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avgsz = int(mem.HeapAlloc) / points
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}
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// Average point size in bytes
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m["tile38_avg_point_size"] = avgsz
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sz := 0
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c.cols.Scan(func(key string, value interface{}) bool {
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col := value.(*collection.Collection)
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sz += col.TotalWeight()
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return true
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})
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// Total in memory size of all collections
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m["tile38_in_memory_size"] = sz
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}
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func (c *Server) writeInfoServer(w *bytes.Buffer) {
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fmt.Fprintf(w, "tile38_version:%s\r\n", core.Version)
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fmt.Fprintf(w, "redis_version:%s\r\n", core.Version) // Version of the Redis server
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fmt.Fprintf(w, "uptime_in_seconds:%d\r\n", time.Now().Sub(c.started)/time.Second) //Number of seconds since Redis server start
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fmt.Fprintf(w, "uptime_in_seconds:%d\r\n", int(time.Since(c.started).Seconds())) // Number of seconds since Redis server start
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}
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func (c *Server) writeInfoClients(w *bytes.Buffer) {
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c.connsmu.RLock()
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@ -157,7 +334,7 @@ func boolInt(t bool) int {
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return 0
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}
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func (c *Server) writeInfoPersistence(w *bytes.Buffer) {
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fmt.Fprintf(w, "aof_enabled:1\r\n")
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fmt.Fprintf(w, "aof_enabled:%d\r\n", boolInt(core.AppendOnly))
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fmt.Fprintf(w, "aof_rewrite_in_progress:%d\r\n", boolInt(c.shrinking)) // Flag indicating a AOF rewrite operation is on-going
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fmt.Fprintf(w, "aof_last_rewrite_time_sec:%d\r\n", c.lastShrinkDuration.get()/int(time.Second)) // Duration of the last AOF rewrite operation in seconds
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