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Network bandwidth tracking + refactoring.

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Track bandwidth used by clients and replication (but diskless
replication is not tracked since the actual transfer happens in the
child process).

This includes a refactoring that makes tracking new instantaneous
metrics simpler.
This commit is contained in:
antirez
2014-12-03 12:06:54 +01:00
parent f60c8c0999
commit d56ef62983
4 changed files with 63 additions and 24 deletions
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24
src/redis.h
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@ -97,7 +97,6 @@ typedef long long mstime_t; /* millisecond time type. */
#define REDIS_REPL_PING_SLAVE_PERIOD 10
#define REDIS_RUN_ID_SIZE 40
#define REDIS_EOF_MARK_SIZE 40
#define REDIS_OPS_SEC_SAMPLES 16
#define REDIS_DEFAULT_REPL_BACKLOG_SIZE (1024*1024) /* 1mb */
#define REDIS_DEFAULT_REPL_BACKLOG_TIME_LIMIT (60*60) /* 1 hour */
#define REDIS_REPL_BACKLOG_MIN_SIZE (1024*16) /* 16k */
@ -140,6 +139,13 @@ typedef long long mstime_t; /* millisecond time type. */
#define ACTIVE_EXPIRE_CYCLE_SLOW 0
#define ACTIVE_EXPIRE_CYCLE_FAST 1
/* Instantaneous metrics tracking. */
#define REDIS_METRIC_SAMPLES 16 /* Number of samples per metric. */
#define REDIS_METRIC_COMMAND 0 /* Number of commands executed. */
#define REDIS_METRIC_NET_INPUT 1 /* Bytes read to network .*/
#define REDIS_METRIC_NET_OUTPUT 2 /* Bytes written to network. */
#define REDIS_METRIC_COUNT 3
/* Protocol and I/O related defines */
#define REDIS_MAX_QUERYBUF_LEN (1024*1024*1024) /* 1GB max query buffer. */
#define REDIS_IOBUF_LEN (1024*16) /* Generic I/O buffer size */
@ -661,12 +667,16 @@ struct redisServer {
long long slowlog_log_slower_than; /* SLOWLOG time limit (to get logged) */
unsigned long slowlog_max_len; /* SLOWLOG max number of items logged */
size_t resident_set_size; /* RSS sampled in serverCron(). */
/* The following two are used to track instantaneous "load" in terms
* of operations per second. */
long long ops_sec_last_sample_time; /* Timestamp of last sample (in ms) */
long long ops_sec_last_sample_ops; /* numcommands in last sample */
long long ops_sec_samples[REDIS_OPS_SEC_SAMPLES];
int ops_sec_idx;
long long stat_net_input_bytes; /* Bytes read from network. */
long long stat_net_output_bytes; /* Bytes written to network. */
/* The following two are used to track instantaneous metrics, like
* number of operations per second, network traffic. */
struct {
long long last_sample_time; /* Timestamp of last sample in ms */
long long last_sample_count;/* Count in last sample */
long long samples[REDIS_METRIC_SAMPLES];
int idx;
} inst_metric[REDIS_METRIC_COUNT];
/* Configuration */
int verbosity; /* Loglevel in redis.conf */
int maxidletime; /* Client timeout in seconds */