Add input plugin for McRouter (#4077)
This commit is contained in:
Craig Thayer
committed by
Daniel Nelson
Daniel Nelson
parent
cb0472c4d3
commit
9803d6291b
250
plugins/inputs/mcrouter/mcrouter_test.go
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250
plugins/inputs/mcrouter/mcrouter_test.go
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@@ -0,0 +1,250 @@
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package mcrouter
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import (
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"bufio"
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"strings"
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"testing"
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"github.com/influxdata/telegraf/testutil"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func TestAddressParsing(t *testing.T) {
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m := &Mcrouter{
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Servers: []string{"tcp://" + testutil.GetLocalHost()},
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}
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var acceptTests = [][3]string{
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{"tcp://localhost:8086", "localhost:8086", "tcp"},
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{"tcp://localhost", "localhost:" + defaultServerURL.Port(), "tcp"},
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{"tcp://localhost:", "localhost:" + defaultServerURL.Port(), "tcp"},
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{"tcp://:8086", defaultServerURL.Hostname() + ":8086", "tcp"},
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{"tcp://:", defaultServerURL.Host, "tcp"},
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}
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var rejectTests = []string{
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"tcp://",
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}
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for _, args := range acceptTests {
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address, protocol, err := m.ParseAddress(args[0])
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assert.Nil(t, err, args[0])
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assert.True(t, address == args[1], args[0])
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assert.True(t, protocol == args[2], args[0])
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}
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for _, addr := range rejectTests {
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address, protocol, err := m.ParseAddress(addr)
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assert.NotNil(t, err, addr)
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assert.Empty(t, address, addr)
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assert.Empty(t, protocol, addr)
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}
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}
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func TestMcrouterGeneratesMetrics(t *testing.T) {
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if testing.Short() {
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t.Skip("Skipping integration test in short mode")
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}
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m := &Mcrouter{
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Servers: []string{"tcp://" + testutil.GetLocalHost()},
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}
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var acc testutil.Accumulator
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err := acc.GatherError(m.Gather)
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require.NoError(t, err)
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intMetrics := []string{"uptime", "num_servers", "num_servers_new", "num_servers_up",
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"num_servers_down", "num_servers_closed", "num_clients",
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"num_suspect_servers", "destination_batches_sum", "destination_requests_sum",
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"outstanding_route_get_reqs_queued", "outstanding_route_update_reqs_queued",
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"outstanding_route_get_avg_queue_size", "outstanding_route_update_avg_queue_size",
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"outstanding_route_get_avg_wait_time_sec", "outstanding_route_update_avg_wait_time_sec",
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"retrans_closed_connections", "destination_pending_reqs", "destination_inflight_reqs",
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"destination_batch_size", "asynclog_requests", "proxy_reqs_processing",
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"proxy_reqs_waiting", "client_queue_notify_period",
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"ps_num_minor_faults", "ps_num_major_faults",
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"ps_vsize", "ps_rss", "fibers_allocated", "fibers_pool_size", "fibers_stack_high_watermark",
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"successful_client_connections", "duration_us", "destination_max_pending_reqs",
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"destination_max_inflight_reqs", "retrans_per_kbyte_max", "cmd_get_count", "cmd_delete_out",
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"cmd_lease_get", "cmd_set", "cmd_get_out_all", "cmd_get_out", "cmd_lease_set_count",
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"cmd_other_out_all", "cmd_lease_get_out", "cmd_set_count", "cmd_lease_set_out",
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"cmd_delete_count", "cmd_other", "cmd_delete", "cmd_get", "cmd_lease_set", "cmd_set_out",
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"cmd_lease_get_count", "cmd_other_out", "cmd_lease_get_out_all", "cmd_set_out_all",
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"cmd_other_count", "cmd_delete_out_all", "cmd_lease_set_out_all"}
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floatMetrics := []string{"rusage_system", "rusage_user", "ps_user_time_sec", "ps_system_time_sec"}
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for _, metric := range intMetrics {
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assert.True(t, acc.HasInt64Field("mcrouter", metric), metric)
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}
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for _, metric := range floatMetrics {
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assert.True(t, acc.HasFloatField("mcrouter", metric), metric)
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}
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}
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func TestMcrouterParseMetrics(t *testing.T) {
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r := bufio.NewReader(strings.NewReader(mcrouterStats))
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scanner := bufio.NewScanner(r)
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values, err := parseResponse(scanner)
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require.NoError(t, err, "Error parsing mcrouter response")
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tests := []struct {
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key string
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value string
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}{
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{"uptime", "166"},
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{"num_servers", "1"},
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{"num_servers_new", "1"},
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{"num_servers_up", "0"},
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{"num_servers_down", "0"},
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{"num_servers_closed", "0"},
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{"num_clients", "1"},
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{"num_suspect_servers", "0"},
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{"destination_batches_sum", "0"},
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{"destination_requests_sum", "0"},
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{"outstanding_route_get_reqs_queued", "0"},
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{"outstanding_route_update_reqs_queued", "0"},
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{"outstanding_route_get_avg_queue_size", "0"},
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{"outstanding_route_update_avg_queue_size", "0"},
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{"outstanding_route_get_avg_wait_time_sec", "0"},
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{"outstanding_route_update_avg_wait_time_sec", "0"},
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{"retrans_closed_connections", "0"},
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{"destination_pending_reqs", "0"},
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{"destination_inflight_reqs", "0"},
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{"destination_batch_size", "0"},
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{"asynclog_requests", "0"},
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{"proxy_reqs_processing", "1"},
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{"proxy_reqs_waiting", "0"},
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{"client_queue_notify_period", "0"},
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{"rusage_system", "0.040966"},
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{"rusage_user", "0.020483"},
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{"ps_num_minor_faults", "2490"},
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{"ps_num_major_faults", "11"},
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{"ps_user_time_sec", "0.02"},
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{"ps_system_time_sec", "0.04"},
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{"ps_vsize", "697741312"},
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{"ps_rss", "10563584"},
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{"fibers_allocated", "0"},
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{"fibers_pool_size", "0"},
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{"fibers_stack_high_watermark", "0"},
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{"successful_client_connections", "18"},
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{"duration_us", "0"},
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{"destination_max_pending_reqs", "0"},
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{"destination_max_inflight_reqs", "0"},
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{"retrans_per_kbyte_max", "0"},
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{"cmd_get_count", "0"},
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{"cmd_delete_out", "0"},
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{"cmd_lease_get", "0"},
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{"cmd_set", "0"},
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{"cmd_get_out_all", "0"},
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{"cmd_get_out", "0"},
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{"cmd_lease_set_count", "0"},
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{"cmd_other_out_all", "0"},
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{"cmd_lease_get_out", "0"},
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{"cmd_set_count", "0"},
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{"cmd_lease_set_out", "0"},
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{"cmd_delete_count", "0"},
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{"cmd_other", "0"},
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{"cmd_delete", "0"},
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{"cmd_get", "0"},
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{"cmd_lease_set", "0"},
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{"cmd_set_out", "0"},
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{"cmd_lease_get_count", "0"},
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{"cmd_other_out", "0"},
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{"cmd_lease_get_out_all", "0"},
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{"cmd_set_out_all", "0"},
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{"cmd_other_count", "0"},
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{"cmd_delete_out_all", "0"},
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{"cmd_lease_set_out_all", "0"},
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}
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for _, test := range tests {
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value, ok := values[test.key]
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if !ok {
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t.Errorf("Did not find key for metric %s in values", test.key)
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continue
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}
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if value != test.value {
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t.Errorf("Metric: %s, Expected: %s, actual: %s",
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test.key, test.value, value)
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}
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}
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}
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var mcrouterStats = `STAT version 36.0.0 mcrouter
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STAT commandargs --port 11211 --config-file /etc/mcrouter/mcrouter.json --async-dir /var/spool/mcrouter --log-path /var/log/mcrouter/mcrouter.log --stats-root /var/mcrouter/stats --server-timeout 100 --reset-inactive-connection-interval 10000 --proxy-threads auto
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STAT pid 21357
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STAT parent_pid 1
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STAT time 1524673265
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STAT uptime 166
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STAT num_servers 1
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STAT num_servers_new 1
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STAT num_servers_up 0
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STAT num_servers_down 0
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STAT num_servers_closed 0
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STAT num_clients 1
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STAT num_suspect_servers 0
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STAT destination_batches_sum 0
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STAT destination_requests_sum 0
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STAT outstanding_route_get_reqs_queued 0
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STAT outstanding_route_update_reqs_queued 0
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STAT outstanding_route_get_avg_queue_size 0
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STAT outstanding_route_update_avg_queue_size 0
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STAT outstanding_route_get_avg_wait_time_sec 0
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STAT outstanding_route_update_avg_wait_time_sec 0
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STAT retrans_closed_connections 0
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STAT destination_pending_reqs 0
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STAT destination_inflight_reqs 0
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STAT destination_batch_size 0
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STAT asynclog_requests 0
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STAT proxy_reqs_processing 1
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STAT proxy_reqs_waiting 0
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STAT client_queue_notify_period 0
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STAT rusage_system 0.040966
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STAT rusage_user 0.020483
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STAT ps_num_minor_faults 2490
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STAT ps_num_major_faults 11
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STAT ps_user_time_sec 0.02
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STAT ps_system_time_sec 0.04
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STAT ps_vsize 697741312
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STAT ps_rss 10563584
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STAT fibers_allocated 0
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STAT fibers_pool_size 0
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STAT fibers_stack_high_watermark 0
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STAT successful_client_connections 18
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STAT duration_us 0
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STAT destination_max_pending_reqs 0
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STAT destination_max_inflight_reqs 0
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STAT retrans_per_kbyte_max 0
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STAT cmd_get_count 0
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STAT cmd_delete_out 0
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STAT cmd_lease_get 0
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STAT cmd_set 0
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STAT cmd_get_out_all 0
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STAT cmd_get_out 0
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STAT cmd_lease_set_count 0
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STAT cmd_other_out_all 0
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STAT cmd_lease_get_out 0
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STAT cmd_set_count 0
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STAT cmd_lease_set_out 0
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STAT cmd_delete_count 0
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STAT cmd_other 0
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STAT cmd_delete 0
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STAT cmd_get 0
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STAT cmd_lease_set 0
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STAT cmd_set_out 0
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STAT cmd_lease_get_count 0
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STAT cmd_other_out 0
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STAT cmd_lease_get_out_all 0
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STAT cmd_set_out_all 0
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STAT cmd_other_count 0
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STAT cmd_delete_out_all 0
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STAT cmd_lease_set_out_all 0
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END
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`
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