Append(req common.SetRequest) error
Prepend(req common.SetRequest) error
Delete(req common.DeleteRequest) error
Touch(req common.TouchRequest) error
Get(req common.GetRequest) error
GetE(req common.GetRequest) error
Gat(req common.GATRequest) error
Noop(req common.NoopRequest) error
Quit(req common.QuitRequest) error
Version(req common.VersionRequest) error
Unknown(req common.Request) error
Error(req common.Request, reqType common.RequestType, err error)
}
var (
MetricCmdGetL1 = metrics.AddCounter("cmd_get_l1", nil)
MetricCmdGetL2 = metrics.AddCounter("cmd_get_l2", nil)
MetricCmdGetHits = metrics.AddCounter("cmd_get_hits", nil)
MetricCmdGetHitsL1 = metrics.AddCounter("cmd_get_hits_l1", nil)
MetricCmdGetHitsL2 = metrics.AddCounter("cmd_get_hits_l2", nil)
MetricCmdGetMisses = metrics.AddCounter("cmd_get_misses", nil)
MetricCmdGetMissesL1 = metrics.AddCounter("cmd_get_misses_l1", nil)
MetricCmdGetMissesL2 = metrics.AddCounter("cmd_get_misses_l2", nil)
MetricCmdGetErrors = metrics.AddCounter("cmd_get_errors", nil)
MetricCmdGetErrorsL1 = metrics.AddCounter("cmd_get_errors_l1", nil)
MetricCmdGetErrorsL2 = metrics.AddCounter("cmd_get_errors_l2", nil)
MetricCmdGetKeys = metrics.AddCounter("cmd_get_keys", nil)
MetricCmdGetKeysL1 = metrics.AddCounter("cmd_get_keys_l1", nil)
MetricCmdGetKeysL2 = metrics.AddCounter("cmd_get_keys_l2", nil)
// Batch L1L2 get metrics
// protocol errors or other application errors that happen all over. Other interfaces and types used
// by multiple protocols are here so any protocol can be used on the front end as well as the back
// with the same intermediate representation.
package common
import (
"errors"
"github.com/netflix/rend/metrics"
)
const VersionString = "Rend 0.1"
// Common metrics used across packages
var (
MetricBytesReadRemote = metrics.AddCounter("bytes_read_remote", nil)
MetricBytesReadLocal = metrics.AddCounter("bytes_read_local", nil)
MetricBytesReadLocalL1 = metrics.AddCounter("bytes_read_local_l1", nil)
MetricBytesReadLocalL2 = metrics.AddCounter("bytes_read_local_l2", nil)
MetricBytesWrittenRemote = metrics.AddCounter("bytes_written_remote", nil)
MetricBytesWrittenLocal = metrics.AddCounter("bytes_written_local", nil)
MetricBytesWrittenLocalL1 = metrics.AddCounter("bytes_written_local_l1", nil)
MetricBytesWrittenLocalL2 = metrics.AddCounter("bytes_written_local_l2", nil)
// Errors used across the application
ErrBadRequest = errors.New("CLIENT_ERROR bad request")
ErrBadLength = errors.New("CLIENT_ERROR length is not a valid integer")
ErrBadFlags = errors.New("CLIENT_ERROR flags is not a valid integer")
ErrBadExptime = errors.New("CLIENT_ERROR exptime is not a valid integer")
ErrNoError = errors.New("Success")
const (
ListenTCP ListenType = iota
ListenUnix
)
type ListenArgs struct {
// The type of the connection. "tcp" or "unix" only.
Type ListenType
// TCP port to listen on, if applicable
Port int
// Unix domain socket path to listen on, if applicable
Path string
}
var (
MetricConnectionsEstablishedExt = metrics.AddCounter("conn_established_ext", nil)
MetricConnectionsEstablishedL1 = metrics.AddCounter("conn_established_l1", nil)
MetricConnectionsEstablishedL2 = metrics.AddCounter("conn_established_l2", nil)
MetricCmdTotal = metrics.AddCounter("cmd_total", nil)
MetricErrAppError = metrics.AddCounter("err_app_err", nil)
MetricErrUnrecoverable = metrics.AddCounter("err_unrecoverable", nil)
MetricCmdGet = metrics.AddCounter("cmd_get", nil)
MetricCmdGetE = metrics.AddCounter("cmd_gete", nil)
MetricCmdSet = metrics.AddCounter("cmd_set", nil)
MetricCmdAdd = metrics.AddCounter("cmd_add", nil)
MetricCmdReplace = metrics.AddCounter("cmd_replace", nil)
MetricCmdAppend = metrics.AddCounter("cmd_append", nil)
MetricCmdPrepend = metrics.AddCounter("cmd_prepend", nil)
MetricCmdDelete = metrics.AddCounter("cmd_delete", nil)
MetricCmdTouch = metrics.AddCounter("cmd_touch", nil)
package binprot
import (
"encoding/binary"
"io"
"sync"
"github.com/netflix/rend/common"
"github.com/netflix/rend/metrics"
)
const ReqHeaderLen = 24
var (
MetricBinaryRequestHeadersParsed = metrics.AddCounter("binary_request_headers_parsed")
MetricBinaryRequestHeadersBadMagic = metrics.AddCounter("binary_request_headers_bad_magic")
MetricBinaryResponseHeadersParsed = metrics.AddCounter("binary_response_headers_parsed")
MetricBinaryResponseHeadersBadMagic = metrics.AddCounter("binary_response_headers_bad_magic")
)
type RequestHeader struct {
Magic uint8 // Already known, since we're here
Opcode uint8
KeyLength uint16
ExtraLength uint8
DataType uint8 // Always 0
VBucket uint16 // Not used
TotalBodyLength uint32
OpaqueToken uint32 // Echoed to the client
CASToken uint64 // Unused in current implementation
const (
ListenTCP ListenType = iota
ListenUnix
)
type ListenArgs struct {
// The type of the connection. "tcp" or "unix" only.
Type ListenType
// TCP port to listen on, if applicable
Port int
// Unix domain socket path to listen on, if applicable
Path string
}
var (
MetricConnectionsEstablishedExt = metrics.AddCounter("conn_established_ext")
MetricConnectionsEstablishedL1 = metrics.AddCounter("conn_established_l1")
MetricConnectionsEstablishedL2 = metrics.AddCounter("conn_established_l2")
MetricCmdTotal = metrics.AddCounter("cmd_total")
MetricErrAppError = metrics.AddCounter("err_app_err")
MetricErrUnrecoverable = metrics.AddCounter("err_unrecoverable")
HistSet = metrics.AddHistogram("set", false)
HistAdd = metrics.AddHistogram("add", false)
HistReplace = metrics.AddHistogram("replace", false)
HistDelete = metrics.AddHistogram("delete", false)
HistTouch = metrics.AddHistogram("touch", false)
HistGet = metrics.AddHistogram("get", false) // not sampled until configurable
HistGetE = metrics.AddHistogram("gete", false) // not sampled until configurable
HistGat = metrics.AddHistogram("gat", false) // not sampled until configurable
package chunked
import (
"bufio"
"bytes"
"io"
"math"
"github.com/netflix/rend/binprot"
"github.com/netflix/rend/common"
"github.com/netflix/rend/metrics"
)
var (
MetricCmdSetErrorsOOM = metrics.AddCounter("cmd_set_errors_oom")
MetricCmdSetErrorsOOML1 = metrics.AddCounter("cmd_set_errors_oom_l1")
MetricCmdSetErrorsOOML2 = metrics.AddCounter("cmd_set_errors_oom_l2")
MetricCmdTouchMissesMeta = metrics.AddCounter("cmd_touch_misses_meta")
MetricCmdTouchMissesMetaL1 = metrics.AddCounter("cmd_touch_misses_meta_l1")
MetricCmdTouchMissesMetaL2 = metrics.AddCounter("cmd_touch_misses_meta_l2")
MetricCmdTouchMissesChunk = metrics.AddCounter("cmd_touch_misses_chunk")
MetricCmdTouchMissesChunkL1 = metrics.AddCounter("cmd_touch_misses_chunk_l1")
MetricCmdTouchMissesChunkL2 = metrics.AddCounter("cmd_touch_misses_chunk_l2")
MetricCmdDeleteMissesMeta = metrics.AddCounter("cmd_delete_misses_meta")
MetricCmdDeleteMissesMetaL1 = metrics.AddCounter("cmd_delete_misses_meta_l1")
MetricCmdDeleteMissesMetaL2 = metrics.AddCounter("cmd_delete_misses_meta_l2")
MetricCmdDeleteMissesChunk = metrics.AddCounter("cmd_delete_misses_chunk")
MetricCmdDeleteMissesChunkL1 = metrics.AddCounter("cmd_delete_misses_chunk_l1")
Add(req common.SetRequest) error
Replace(req common.SetRequest) error
Delete(req common.DeleteRequest) error
Touch(req common.TouchRequest) error
Get(req common.GetRequest) error
GetE(req common.GetRequest) error
Gat(req common.GATRequest) error
Noop(req common.NoopRequest) error
Quit(req common.QuitRequest) error
Version(req common.VersionRequest) error
Unknown(req common.Request) error
Error(req common.Request, reqType common.RequestType, err error)
}
var (
MetricCmdGet = metrics.AddCounter("cmd_get")
MetricCmdGetL1 = metrics.AddCounter("cmd_get_l1")
MetricCmdGetL2 = metrics.AddCounter("cmd_get_l2")
MetricCmdGetHits = metrics.AddCounter("cmd_get_hits")
MetricCmdGetHitsL1 = metrics.AddCounter("cmd_get_hits_l1")
MetricCmdGetHitsL2 = metrics.AddCounter("cmd_get_hits_l2")
MetricCmdGetMisses = metrics.AddCounter("cmd_get_misses")
MetricCmdGetMissesL1 = metrics.AddCounter("cmd_get_misses_l1")
MetricCmdGetMissesL2 = metrics.AddCounter("cmd_get_misses_l2")
MetricCmdGetErrors = metrics.AddCounter("cmd_get_errors")
MetricCmdGetErrorsL1 = metrics.AddCounter("cmd_get_errors_l1")
MetricCmdGetErrorsL2 = metrics.AddCounter("cmd_get_errors_l2")
MetricCmdGetKeys = metrics.AddCounter("cmd_get_keys")
MetricCmdGetKeysL1 = metrics.AddCounter("cmd_get_keys_l1")
MetricCmdGetKeysL2 = metrics.AddCounter("cmd_get_keys_l2")