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packer.go
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packer.go
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// Copyright (c) 2021-2024 SigScalr, Inc.
//
// This file is part of SigLens Observability Solution
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package writer
import (
"encoding/json"
"errors"
"fmt"
"math"
"math/rand"
"os"
"strconv"
"sync"
"time"
"github.com/axiomhq/hyperloglog"
"github.com/bits-and-blooms/bloom/v3"
jp "github.com/buger/jsonparser"
"github.com/cespare/xxhash"
"github.com/siglens/siglens/pkg/blob/ssutils"
"github.com/siglens/siglens/pkg/config"
"github.com/siglens/siglens/pkg/segment/pqmr"
. "github.com/siglens/siglens/pkg/segment/structs"
. "github.com/siglens/siglens/pkg/segment/utils"
segutils "github.com/siglens/siglens/pkg/segment/utils"
"github.com/siglens/siglens/pkg/segment/writer/metrics"
"github.com/siglens/siglens/pkg/segment/writer/stats"
"github.com/siglens/siglens/pkg/utils"
log "github.com/sirupsen/logrus"
bbp "github.com/valyala/bytebufferpool"
)
var wipCardLimit uint16 = 1001
const FPARM_INT64 = int64(0)
const FPARM_UINT64 = uint64(0)
const FPARM_FLOAT64 = float64(0)
/*
Each column stored in its own columnar file
Each column file format:
[ValType-1 1B] [OptionalStringVal-Len-1 2B] [ActualValue-1]
[ValType-2 1B] [OptionalStringVal-Len-2 2B] [ActualValue-2]
This function should not be called by itself, must be called via locks
This function assumes that the record_json has been flattened
foundColsInRecord is a map[string]bool of all columns in the WIPBlock. New columns will be added to this map
The values of this map will be set to false before returning for subsequent calls. This lets us re-use the same map across WIPBlock
returns :
1) Max index amongst the columns
3) bool if this record matched the column conditions in PQColTracker
3) error
*/
func (ss *SegStore) EncodeColumns(rawData []byte, recordTime uint64, tsKey *string,
signalType segutils.SIGNAL_TYPE) (uint32, bool, error) {
var maxIdx uint32 = 0
var matchedCol = false
ss.encodeTime(recordTime, tsKey)
var err error
maxIdx, matchedCol, err = ss.encodeRawJsonObject("", rawData, maxIdx, tsKey, matchedCol, signalType)
if err != nil {
log.Errorf("Failed to encode json object! err: %+v", err)
return maxIdx, matchedCol, err
}
for colName, foundCol := range ss.wipBlock.columnsInBlock {
if foundCol {
ss.wipBlock.columnsInBlock[colName] = false
continue
}
colWip, ok := ss.wipBlock.colWips[colName]
if !ok {
log.Errorf("EncodeColumns: tried to add a backfill for a column with no colWip! %v. This should not happen", colName)
continue
}
colWip.cstartidx = colWip.cbufidx
copy(colWip.cbuf[colWip.cbufidx:], VALTYPE_ENC_BACKFILL[:])
colWip.cbufidx += 1
// also do backfill dictEnc for this recnum
checkAddDictEnc(colWip, VALTYPE_ENC_BACKFILL[:], ss.wipBlock.blockSummary.RecCount)
}
return maxIdx, matchedCol, nil
}
func (ss *SegStore) encodeRawJsonObject(currKey string, data []byte, maxIdx uint32, tsKey *string,
matchedCol bool, signalType segutils.SIGNAL_TYPE) (uint32, bool, error) {
handler := func(key []byte, value []byte, valueType jp.ValueType, off int) error {
// Maybe push some state onto a stack here?
var finalKey string
var err error
if currKey == "" {
finalKey = string(key)
} else {
finalKey = fmt.Sprintf("%s.%s", currKey, key)
}
switch valueType {
case jp.Object:
maxIdx, matchedCol, err = ss.encodeRawJsonObject(finalKey, value, maxIdx, tsKey, matchedCol, signalType)
if err != nil {
return fmt.Errorf("encodeRawJsonObject: obj currKey: %v, err: %v", currKey, err)
}
case jp.Array:
if signalType == SIGNAL_JAEGER_TRACES {
maxIdx, matchedCol, err = ss.encodeRawJsonArray(finalKey, value, maxIdx, tsKey, matchedCol, signalType)
} else {
maxIdx, matchedCol, err = ss.encodeNonJaegerRawJsonArray(finalKey, value, maxIdx, tsKey, matchedCol, signalType)
}
if err != nil {
return fmt.Errorf("encodeRawJsonObject: arr currKey: %v, err: %v", currKey, err)
}
case jp.String:
strVal, err := jp.ParseString(value)
if err != nil {
return fmt.Errorf("encodeRawJsonObject: str currKey: %v, err: %v", currKey, err)
}
maxIdx, matchedCol, err = ss.encodeSingleString(finalKey, strVal, maxIdx, tsKey, matchedCol)
if err != nil {
return fmt.Errorf("encodeRawJsonObject: singstr currKey: %v, err: %v", currKey, err)
}
case jp.Number:
numVal, err := jp.ParseInt(value)
if err != nil {
fltVal, err := jp.ParseFloat(value)
if err != nil {
return fmt.Errorf("encodeRawJsonObject: flt currKey: %v, err: %v", currKey, err)
}
maxIdx, matchedCol, _ = ss.encodeSingleNumber(finalKey, fltVal, maxIdx, tsKey, matchedCol)
return nil
}
maxIdx, matchedCol, _ = ss.encodeSingleNumber(finalKey, numVal, maxIdx, tsKey, matchedCol)
case jp.Boolean:
boolVal, err := jp.ParseBoolean(value)
if err != nil {
return fmt.Errorf("encodeRawJsonObject: bool currKey: %v, err: %v", currKey, err)
}
maxIdx, matchedCol, err = ss.encodeSingleBool(finalKey, boolVal, maxIdx, tsKey, matchedCol)
if err != nil {
return fmt.Errorf("encodeRawJsonObject: singbool currKey: %v, err: %v", currKey, err)
}
case jp.Null:
maxIdx, matchedCol, err = ss.encodeSingleNull(finalKey, maxIdx, tsKey, matchedCol)
if err != nil {
return fmt.Errorf("encodeRawJsonObject: singnull currKey: %v, err: %v", currKey, err)
}
default:
return fmt.Errorf("currKey: %v, received unknown type of %+s", currKey, valueType)
}
return nil
}
err := jp.ObjectEach(data, handler)
return maxIdx, matchedCol, err
}
func (ss *SegStore) encodeRawJsonArray(currKey string, data []byte, maxIdx uint32, tsKey *string,
matchedCol bool, signalType segutils.SIGNAL_TYPE) (uint32, bool, error) {
var encErr error
if signalType == SIGNAL_JAEGER_TRACES {
if currKey != "references" && currKey != "logs" {
maxIdx, matchedCol, encErr = ss.encodeSingleDictArray(currKey, data, maxIdx, tsKey, matchedCol, signalType)
if encErr != nil {
log.Infof("encodeRawJsonArray error %s", encErr)
return maxIdx, matchedCol, encErr
}
} else {
maxIdx, matchedCol, encErr = ss.encodeSingleRawBuffer(currKey, data, maxIdx, tsKey, matchedCol, signalType)
if encErr != nil {
return maxIdx, matchedCol, encErr
}
}
}
return maxIdx, matchedCol, nil
}
func (ss *SegStore) encodeNonJaegerRawJsonArray(currKey string, data []byte, maxIdx uint32, tsKey *string,
matchedCol bool, signalType segutils.SIGNAL_TYPE) (uint32, bool, error) {
i := 0
var finalErr error
_, aErr := jp.ArrayEach(data, func(value []byte, valueType jp.ValueType, offset int, err error) {
var finalKey string
var encErr error
if currKey == "" {
finalKey = fmt.Sprintf("%d", i)
} else {
finalKey = fmt.Sprintf("%s.%d", currKey, i)
}
i++
switch valueType {
case jp.Object:
maxIdx, matchedCol, encErr = ss.encodeRawJsonObject(finalKey, value, maxIdx, tsKey, matchedCol, signalType)
if encErr != nil {
finalErr = encErr
return
}
case jp.Array:
maxIdx, matchedCol, encErr = ss.encodeNonJaegerRawJsonArray(finalKey, value, maxIdx, tsKey, matchedCol, signalType)
if encErr != nil {
finalErr = encErr
return
}
case jp.String:
strVal, encErr := jp.ParseString(value)
if encErr != nil {
finalErr = encErr
return
}
maxIdx, matchedCol, encErr = ss.encodeSingleString(finalKey, strVal, maxIdx, tsKey, matchedCol)
if encErr != nil {
finalErr = encErr
return
}
case jp.Number:
numVal, encErr := jp.ParseInt(value)
if encErr != nil {
fltVal, encErr := jp.ParseFloat(value)
if encErr != nil {
finalErr = encErr
return
}
maxIdx, matchedCol, _ = ss.encodeSingleNumber(finalKey, fltVal, maxIdx, tsKey, matchedCol)
return
}
maxIdx, matchedCol, _ = ss.encodeSingleNumber(finalKey, numVal, maxIdx, tsKey, matchedCol)
case jp.Boolean:
boolVal, encErr := jp.ParseBoolean(value)
if encErr != nil {
finalErr = encErr
return
}
maxIdx, matchedCol, encErr = ss.encodeSingleBool(finalKey, boolVal, maxIdx, tsKey, matchedCol)
if encErr != nil {
finalErr = encErr
return
}
case jp.Null:
maxIdx, matchedCol, encErr = ss.encodeSingleNull(finalKey, maxIdx, tsKey, matchedCol)
if encErr != nil {
finalErr = encErr
return
}
default:
finalErr = fmt.Errorf("received unknown type of %+s", valueType)
return
}
})
if aErr != nil {
finalErr = aErr
}
return maxIdx, matchedCol, finalErr
}
func (ss *SegStore) encodeSingleDictArray(arraykey string, data []byte, maxIdx uint32,
tsKey *string, matchedCol bool, signalType segutils.SIGNAL_TYPE) (uint32, bool, error) {
if arraykey == *tsKey {
return maxIdx, matchedCol, nil
}
var finalErr error
var colWip *ColWip
colWip, _, matchedCol = ss.initAndBackFillColumn(arraykey, data, matchedCol)
colBlooms := ss.wipBlock.columnBlooms
var bi *BloomIndex
var ok bool
bi, ok = colBlooms[arraykey]
if !ok {
bi = &BloomIndex{}
bi.uniqueWordCount = 0
bCount := getBlockBloomSize(bi)
bi.Bf = bloom.NewWithEstimates(uint(bCount), BLOOM_COLL_PROBABILITY)
colBlooms[arraykey] = bi
}
s := colWip.cbufidx
copy(colWip.cbuf[colWip.cbufidx:], VALTYPE_DICT_ARRAY[:])
colWip.cbufidx += 1
copy(colWip.cbuf[colWip.cbufidx:], utils.Uint16ToBytesLittleEndian(0)) //placeholder for encoding length of array
colWip.cbufidx += 2
_, aErr := jp.ArrayEach(data, func(value []byte, valueType jp.ValueType, offset int, err error) {
switch valueType {
case jp.Object:
keyName, keyType, keyVal, err := getNestedDictEntries(value)
if err != nil {
log.Errorf("getNestedDictEntries error %+v", err)
return
}
if keyName == "" || keyType == "" || keyVal == "" {
err = fmt.Errorf("encodeSingleDictArray: Jaeger tags array should have key/value/type values")
log.Error(err)
return
}
//encode and copy keyName
n := uint16(len(keyName))
copy(colWip.cbuf[colWip.cbufidx:], utils.Uint16ToBytesLittleEndian(n))
colWip.cbufidx += 2
copy(colWip.cbuf[colWip.cbufidx:], keyName)
colWip.cbufidx += uint32(n)
//check key type
//based on that encode key value
switch keyType {
case "string":
copy(colWip.cbuf[colWip.cbufidx:], VALTYPE_ENC_SMALL_STRING[:])
colWip.cbufidx += 1
n := uint16(len(keyVal))
copy(colWip.cbuf[colWip.cbufidx:], utils.Uint16ToBytesLittleEndian(n))
colWip.cbufidx += 2
copy(colWip.cbuf[colWip.cbufidx:], keyVal)
colWip.cbufidx += uint32(n)
case "bool":
copy(colWip.cbuf[colWip.cbufidx:], VALTYPE_ENC_BOOL[:])
colWip.cbufidx += 1
n := uint16(len(keyVal))
copy(colWip.cbuf[colWip.cbufidx:], utils.Uint16ToBytesLittleEndian(n))
colWip.cbufidx += 2
copy(colWip.cbuf[colWip.cbufidx:], keyVal)
colWip.cbufidx += uint32(n)
case "int64":
copy(colWip.cbuf[colWip.cbufidx:], VALTYPE_ENC_INT64[:])
colWip.cbufidx += 1
n := uint16(len(keyVal))
copy(colWip.cbuf[colWip.cbufidx:], utils.Uint16ToBytesLittleEndian(n))
colWip.cbufidx += 2
copy(colWip.cbuf[colWip.cbufidx:], keyVal)
colWip.cbufidx += uint32(n)
case "float64":
copy(colWip.cbuf[colWip.cbufidx:], segutils.VALTYPE_ENC_FLOAT64[:])
colWip.cbufidx += 1
n := uint16(len(keyVal))
copy(colWip.cbuf[colWip.cbufidx:], utils.Uint16ToBytesLittleEndian(n))
colWip.cbufidx += 2
copy(colWip.cbuf[colWip.cbufidx:], keyVal)
colWip.cbufidx += uint32(n)
default:
finalErr = fmt.Errorf("encodeSingleDictArray : received unknown key %+s", keyType)
}
if bi != nil {
bi.uniqueWordCount += addToBlockBloom(bi.Bf, []byte(keyName))
bi.uniqueWordCount += addToBlockBloom(bi.Bf, []byte(keyVal))
}
stats.AddSegStatsStr(ss.AllSst, keyName, keyVal, ss.wipBlock.bb, nil, false)
if colWip.cbufidx > maxIdx {
maxIdx = colWip.cbufidx
}
default:
finalErr = fmt.Errorf("encodeSingleDictArray : received unknown type of %+s", valueType)
return
}
})
copy(colWip.cbuf[s+1:], utils.Uint16ToBytesLittleEndian(uint16(colWip.cbufidx-s-3)))
if aErr != nil {
finalErr = aErr
}
return maxIdx, matchedCol, finalErr
}
func getNestedDictEntries(data []byte) (string, string, string, error) {
var nkey, ntype, nvalue string
handler := func(key []byte, value []byte, valueType jp.ValueType, off int) error {
switch string(key) {
case "key":
if valueType != jp.String {
err := fmt.Errorf("getNestedDictEntries key should be of type string , found type %+v", valueType)
return err
}
nkey = string(value)
case "type":
ntype = string(value)
case "value":
nvalue = string(value)
default:
err := fmt.Errorf("getNestedDictEntries: received unknown key of %+s", key)
return err
}
return nil
}
err := jp.ObjectEach(data, handler)
return nkey, ntype, nvalue, err
}
func (ss *SegStore) encodeSingleRawBuffer(key string, value []byte, maxIdx uint32,
tsKey *string, matchedCol bool, signalType segutils.SIGNAL_TYPE) (uint32, bool, error) {
if key == *tsKey {
return maxIdx, matchedCol, nil
}
var colWip *ColWip
colWip, _, matchedCol = ss.initAndBackFillColumn(key, value, matchedCol)
colBlooms := ss.wipBlock.columnBlooms
var bi *BloomIndex
var ok bool
if key != "_type" && key != "_index" && key != "tags" {
_, ok = colBlooms[key]
if !ok {
bi = &BloomIndex{}
bi.uniqueWordCount = 0
bCount := getBlockBloomSize(bi)
bi.Bf = bloom.NewWithEstimates(uint(bCount), BLOOM_COLL_PROBABILITY)
colBlooms[key] = bi
}
}
//[utils.VALTYPE_RAW_JSON][raw-byte-len][raw-byte]
copy(colWip.cbuf[colWip.cbufidx:], VALTYPE_RAW_JSON[:])
colWip.cbufidx += 1
n := uint16(len(value))
copy(colWip.cbuf[colWip.cbufidx:], utils.Uint16ToBytesLittleEndian(n))
colWip.cbufidx += 2
copy(colWip.cbuf[colWip.cbufidx:], value)
colWip.cbufidx += uint32(n)
if colWip.cbufidx > maxIdx {
maxIdx = colWip.cbufidx
}
return maxIdx, matchedCol, nil
}
func (ss *SegStore) encodeSingleString(key string, value string, maxIdx uint32,
tsKey *string, matchedCol bool) (uint32, bool, error) {
if key == *tsKey {
return maxIdx, matchedCol, nil
}
var colWip *ColWip
var recNum uint16
colWip, recNum, matchedCol = ss.initAndBackFillColumn(key, value, matchedCol)
colBlooms := ss.wipBlock.columnBlooms
var bi *BloomIndex
var ok bool
if key != "_type" && key != "_index" {
bi, ok = colBlooms[key]
if !ok {
bi = &BloomIndex{}
bi.uniqueWordCount = 0
bCount := getBlockBloomSize(bi)
bi.Bf = bloom.NewWithEstimates(uint(bCount), BLOOM_COLL_PROBABILITY)
colBlooms[key] = bi
}
}
s := colWip.cbufidx
colWip.WriteSingleString(value)
if bi != nil {
bi.uniqueWordCount += addToBlockBloom(bi.Bf, []byte(value))
}
if !ss.skipDe {
checkAddDictEnc(colWip, colWip.cbuf[s:colWip.cbufidx], recNum)
}
stats.AddSegStatsStr(ss.AllSst, key, value, ss.wipBlock.bb, nil, false)
if colWip.cbufidx > maxIdx {
maxIdx = colWip.cbufidx
}
return maxIdx, matchedCol, nil
}
func (ss *SegStore) encodeSingleBool(key string, val bool, maxIdx uint32,
tsKey *string, matchedCol bool) (uint32, bool, error) {
if key == *tsKey {
return maxIdx, matchedCol, nil
}
var colWip *ColWip
colBlooms := ss.wipBlock.columnBlooms
colWip, _, matchedCol = ss.initAndBackFillColumn(key, val, matchedCol)
var bi *BloomIndex
var ok bool
bi, ok = colBlooms[key]
if !ok {
bi = &BloomIndex{}
bi.uniqueWordCount = 0
bCount := 10
bi.Bf = bloom.NewWithEstimates(uint(bCount), BLOOM_COLL_PROBABILITY)
colBlooms[key] = bi
}
copy(colWip.cbuf[colWip.cbufidx:], VALTYPE_ENC_BOOL[:])
colWip.cbufidx += 1
copy(colWip.cbuf[colWip.cbufidx:], utils.BoolToBytesLittleEndian(val))
colWip.cbufidx += 1
if bi != nil {
bi.uniqueWordCount += addToBlockBloom(bi.Bf, []byte(strconv.FormatBool(val)))
}
if colWip.cbufidx > maxIdx {
maxIdx = colWip.cbufidx
}
return maxIdx, matchedCol, nil
}
func (ss *SegStore) encodeSingleNull(key string, maxIdx uint32,
tsKey *string, matchedCol bool) (uint32, bool, error) {
if key == *tsKey {
return maxIdx, matchedCol, nil
}
var colWip *ColWip
colWip, _, matchedCol = ss.initAndBackFillColumn(key, nil, matchedCol)
copy(colWip.cbuf[colWip.cbufidx:], VALTYPE_ENC_BACKFILL[:])
colWip.cbufidx += 1
if colWip.cbufidx > maxIdx {
maxIdx = colWip.cbufidx
}
return maxIdx, matchedCol, nil
}
func (ss *SegStore) encodeSingleNumber(key string, value interface{}, maxIdx uint32,
tsKey *string, matchedCol bool) (uint32, bool, error) {
if key == *tsKey {
return maxIdx, matchedCol, nil
}
var colWip *ColWip
var recNum uint16
colWip, recNum, matchedCol = ss.initAndBackFillColumn(key, value, matchedCol)
colRis := ss.wipBlock.columnRangeIndexes
segstats := ss.AllSst
retLen := encSingleNumber(key, value, colWip.cbuf[:], colWip.cbufidx, colRis, recNum, segstats,
ss.wipBlock.bb, colWip)
colWip.cbufidx += retLen
if colWip.cbufidx > maxIdx {
maxIdx = colWip.cbufidx
}
return maxIdx, matchedCol, nil
}
func (ss *SegStore) initAndBackFillColumn(key string, value interface{}, matchedCol bool) (*ColWip, uint16, bool) {
allColWip := ss.wipBlock.colWips
colBlooms := ss.wipBlock.columnBlooms
colRis := ss.wipBlock.columnRangeIndexes
allColsInBlock := ss.wipBlock.columnsInBlock
recNum := ss.wipBlock.blockSummary.RecCount
colWip, ok := allColWip[key]
if !ok {
colWip = InitColWip(ss.SegmentKey, key)
allColWip[key] = colWip
ss.AllSeenColumns[key] = true
}
_, ok = allColsInBlock[key]
if !ok {
if recNum != 0 {
log.Debugf("EncodeColumns: newColumn=%v showed up in the middle, backfilling it now", key)
backFillPastRecords(key, value, recNum, colBlooms, colRis, colWip)
}
}
allColsInBlock[key] = true
matchedCol = matchedCol || ss.pqTracker.isColumnInPQuery(key)
colWip.cstartidx = colWip.cbufidx
return colWip, recNum, matchedCol
}
func initMicroIndices(key string, val interface{}, colBlooms map[string]*BloomIndex,
colRis map[string]*RangeIndex) {
switch val.(type) {
case string:
bi := &BloomIndex{}
bi.uniqueWordCount = 0
bCount := getBlockBloomSize(bi)
bi.Bf = bloom.NewWithEstimates(uint(bCount), BLOOM_COLL_PROBABILITY)
colBlooms[key] = bi
case float64, int64, uint64, json.Number:
ri := &RangeIndex{}
ri.Ranges = make(map[string]*Numbers, BLOCK_RI_MAP_SIZE)
colRis[key] = ri
case bool:
// todo kunal, for bool type we need to keep a inverted index
bi := &BloomIndex{}
bi.uniqueWordCount = 0
bCount := 10
bi.Bf = bloom.NewWithEstimates(uint(bCount), BLOOM_COLL_PROBABILITY)
colBlooms[key] = bi
}
}
func backFillPastRecords(key string, val interface{}, recNum uint16, colBlooms map[string]*BloomIndex,
colRis map[string]*RangeIndex, colWip *ColWip) uint32 {
initMicroIndices(key, val, colBlooms, colRis)
packedLen := uint32(0)
recArr := make([]uint16, recNum)
for i := uint16(0); i < recNum; i++ {
// only the type will be saved when we are backfilling
copy(colWip.cbuf[colWip.cbufidx:], VALTYPE_ENC_BACKFILL[:])
colWip.cbufidx += 1
packedLen += 1
recArr[i] = i
}
// we will also init dictEnc for backfilled recnums
colWip.deMap[string(VALTYPE_ENC_BACKFILL[:])] = recArr
colWip.deCount++
return packedLen
}
func encSingleNumber(key string, val interface{}, wipbuf []byte, idx uint32,
colRis map[string]*RangeIndex, wRecNum uint16,
segstats map[string]*SegStats, bb *bbp.ByteBuffer, colWip *ColWip) uint32 {
ri, ok := colRis[key]
if !ok {
ri = &RangeIndex{}
ri.Ranges = make(map[string]*Numbers, BLOCK_RI_MAP_SIZE)
colRis[key] = ri
}
switch cval := val.(type) {
case float64:
addSegStatsNums(segstats, key, SS_FLOAT64, FPARM_INT64, FPARM_UINT64, cval,
fmt.Sprintf("%v", cval), bb)
valSize := encJsonNumber(key, SS_FLOAT64, FPARM_INT64, FPARM_UINT64, cval, wipbuf[:],
idx, ri.Ranges)
checkAddDictEnc(colWip, wipbuf[idx:idx+valSize], wRecNum)
return valSize
case int64:
addSegStatsNums(segstats, key, SS_INT64, cval, FPARM_UINT64, FPARM_FLOAT64,
fmt.Sprintf("%v", cval), bb)
valSize := encJsonNumber(key, SS_INT64, cval, FPARM_UINT64, FPARM_FLOAT64, wipbuf[:],
idx, ri.Ranges)
checkAddDictEnc(colWip, wipbuf[idx:idx+valSize], wRecNum)
return valSize
default:
log.Errorf("encSingleNumber: Tried to encode a non int/float value! value=%+v", cval)
}
return 0
}
func encJsonNumber(key string, numType SS_IntUintFloatTypes, intVal int64, uintVal uint64,
fltVal float64, wipbuf []byte, idx uint32, blockRangeIndex map[string]*Numbers) uint32 {
var valSize uint32
switch numType {
case SS_INT64:
copy(wipbuf[idx:], VALTYPE_ENC_INT64[:])
copy(wipbuf[idx+1:], utils.Int64ToBytesLittleEndian(int64(intVal)))
valSize = 1 + 8
case SS_UINT64:
copy(wipbuf[idx:], VALTYPE_ENC_UINT64[:])
copy(wipbuf[idx+1:], utils.Uint64ToBytesLittleEndian(uintVal))
valSize = 1 + 8
case SS_FLOAT64:
copy(wipbuf[idx:], VALTYPE_ENC_FLOAT64[:])
copy(wipbuf[idx+1:], utils.Float64ToBytesLittleEndian(fltVal))
valSize = 1 + 8
default:
log.Errorf("encJsonNumber: unknown numType: %v", numType)
}
if blockRangeIndex != nil {
updateRangeIndex(key, blockRangeIndex, numType, intVal, uintVal, fltVal)
}
return valSize
}
/*
Caller of this function can confidently cast the CValEncoslure.CVal to one of the foll types:
bool (if CValEncoslure.Dtype = SS_DT_BOOL)
uint64 (if CValEncoslure.Dtype = SS_DT_UNSIGNED_NUM)
int64 (if CValEncoslure.Dtype = SS_DT_SIGNED_NUM)
float64 (if CValEncoslure.Dtype = SS_DT_FLOAT)
string (if CValEncoslure.Dtype = SS_DT_STRING)
array (if CValEncoslure.Dtype = SS_DT_ARRAY_DICT)
*/
/*
parameters:
rec: byte slice
qid
returns:
CValEncoslure: Cval encoding of this col entry
uint16: len of this entry inside that was inside the byte slice
error:
*/
func GetCvalFromRec(rec []byte, qid uint64) (CValueEnclosure, uint16, error) {
if len(rec) == 0 {
return CValueEnclosure{}, 0, errors.New("column value is empty")
}
var retVal CValueEnclosure
var endIdx uint16
switch rec[0] {
case VALTYPE_ENC_SMALL_STRING[0]:
retVal.Dtype = SS_DT_STRING
// one byte for type & two for reclen
strlen := utils.BytesToUint16LittleEndian(rec[1:3])
endIdx = strlen + 3
retVal.CVal = string(rec[3:endIdx])
case VALTYPE_ENC_BOOL[0]:
retVal.Dtype = SS_DT_BOOL
if rec[1] == 0 {
retVal.CVal = false
} else {
retVal.CVal = true
}
endIdx = 2
case VALTYPE_ENC_INT8[0]:
retVal.Dtype = SS_DT_SIGNED_NUM
retVal.CVal = int64(int8(rec[1:][0]))
endIdx = 2
case VALTYPE_ENC_INT16[0]:
retVal.Dtype = SS_DT_SIGNED_NUM
retVal.CVal = int64(utils.BytesToInt16LittleEndian(rec[1:]))
endIdx = 3
case VALTYPE_ENC_INT32[0]:
retVal.Dtype = SS_DT_SIGNED_NUM
retVal.CVal = int64(utils.BytesToInt32LittleEndian(rec[1:]))
endIdx = 5
case VALTYPE_ENC_INT64[0]:
retVal.Dtype = SS_DT_SIGNED_NUM
retVal.CVal = utils.BytesToInt64LittleEndian(rec[1:])
endIdx = 9
case VALTYPE_ENC_UINT8[0]:
retVal.Dtype = SS_DT_UNSIGNED_NUM
retVal.CVal = uint64((rec[1:])[0])
endIdx = 2
case VALTYPE_ENC_UINT16[0]:
retVal.Dtype = SS_DT_UNSIGNED_NUM
retVal.CVal = uint64(utils.BytesToUint16LittleEndian(rec[1:]))
endIdx = 3
case VALTYPE_ENC_UINT32[0]:
retVal.Dtype = SS_DT_UNSIGNED_NUM
retVal.CVal = uint64(utils.BytesToUint32LittleEndian(rec[1:]))
endIdx = 5
case VALTYPE_ENC_UINT64[0]:
retVal.Dtype = SS_DT_UNSIGNED_NUM
retVal.CVal = utils.BytesToUint64LittleEndian(rec[1:])
endIdx = 9
case VALTYPE_ENC_FLOAT64[0]:
retVal.Dtype = SS_DT_FLOAT
retVal.CVal = utils.BytesToFloat64LittleEndian(rec[1:])
endIdx = 9
case VALTYPE_ENC_BACKFILL[0]:
retVal.Dtype = SS_DT_BACKFILL
retVal.CVal = nil
endIdx = 1
case VALTYPE_RAW_JSON[0]:
retVal.Dtype = SS_DT_RAW_JSON
strlen := utils.BytesToUint16LittleEndian(rec[1:3])
endIdx = strlen + 3
data := rec[3:endIdx]
entries := make([]interface{}, 0)
err := json.Unmarshal(data, &entries)
if err != nil {
log.Errorf("GetCvalFromRec: Error unmarshalling VALTYPE_RAW_JSON = %v", err)
return CValueEnclosure{}, 0, err
}
retVal.CVal = entries
case VALTYPE_DICT_ARRAY[0]:
retVal.Dtype = SS_DT_ARRAY_DICT
// one byte for type & two for reclen
totalLen := utils.BytesToInt16LittleEndian(rec[1:])
idx := uint16(3)
cValArray := make([]map[string]interface{}, 0)
for idx < uint16(totalLen) {
cVal := make(map[string]interface{})
strlen := utils.BytesToUint16LittleEndian(rec[idx : idx+2])
idx += 2
keyVal := string(rec[idx : idx+strlen])
idx += strlen
cVal["key"] = keyVal
switch rec[idx] {
case VALTYPE_ENC_SMALL_STRING[0]:
cVal["type"] = "string"
// one byte for type & two for reclen
strlen := utils.BytesToUint16LittleEndian(rec[idx+1 : idx+3])
idx += 3
cVal["value"] = string(rec[idx : idx+strlen])
idx += strlen
case VALTYPE_ENC_BOOL[0]:
cVal["type"] = "bool"
strlen := utils.BytesToUint16LittleEndian(rec[idx+1 : idx+3])
idx += 3
cVal["value"] = string(rec[idx : idx+strlen])
idx += strlen
case VALTYPE_ENC_INT64[0]:
cVal["type"] = "int64"
strlen := utils.BytesToUint16LittleEndian(rec[idx+1 : idx+3])
idx += 3
cVal["value"] = string(rec[idx : idx+strlen])
idx += strlen
case VALTYPE_ENC_FLOAT64[0]:
cVal["type"] = "float64"
strlen := utils.BytesToUint16LittleEndian(rec[idx+1 : idx+3])
idx += 3
cVal["value"] = string(rec[idx : idx+strlen])
idx += strlen
default:
log.Errorf("qid=%d, GetCvalFromRec:SS_DT_ARRAY_DICT unknown type=%v\n", qid, rec[idx])
return retVal, endIdx, errors.New("invalid rec type")
}
cValArray = append(cValArray, cVal)
}
retVal.CVal = cValArray
endIdx = uint16(totalLen)
default:
log.Errorf("qid=%d, GetCvalFromRec: dont know how to convert type=%v\n", qid, rec[0])
return retVal, endIdx, errors.New("invalid rec type")
}
return retVal, endIdx, nil
}
func WriteMockColSegFile(segkey string, numBlocks int, entryCount int) ([]map[string]*BloomIndex,
[]*BlockSummary, []map[string]*RangeIndex, map[string]bool, map[uint16]*BlockMetadataHolder,
map[string]*ColSizeInfo) {
allBlockBlooms := make([]map[string]*BloomIndex, numBlocks)
allBlockRangeIdx := make([]map[string]*RangeIndex, numBlocks)
allBlockSummaries := make([]*BlockSummary, numBlocks)
allBlockOffsets := make(map[uint16]*BlockMetadataHolder)
segstats := make(map[string]*SegStats)
lencnames := uint8(12)
cnames := make([]string, lencnames)
mapCol := make(map[string]bool)
for cidx := uint8(0); cidx < lencnames; cidx += 1 {
currCol := fmt.Sprintf("key%v", cidx)
cnames[cidx] = currCol
mapCol[currCol] = true
}
tsKey := config.GetTimeStampKey()
allCols := make(map[string]bool)
// set up entries
for j := 0; j < numBlocks; j++ {
currBlockUint := uint16(j)
columnBlooms := make(map[string]*BloomIndex)
columnRangeIndexes := make(map[string]*RangeIndex)
colWips := make(map[string]*ColWip)
wipBlock := WipBlock{
columnBlooms: columnBlooms,
columnRangeIndexes: columnRangeIndexes,
colWips: colWips,
pqMatches: make(map[string]*pqmr.PQMatchResults),
columnsInBlock: mapCol,
tomRollup: make(map[uint64]*RolledRecs),
tohRollup: make(map[uint64]*RolledRecs),
todRollup: make(map[uint64]*RolledRecs),
bb: bbp.Get(),
blockTs: make([]uint64, 0),
}
segStore := &SegStore{
wipBlock: wipBlock,
SegmentKey: segkey,
AllSeenColumns: allCols,
pqTracker: initPQTracker(),
AllSst: segstats,
numBlocks: currBlockUint,
}
for i := 0; i < entryCount; i++ {
entry := make(map[string]interface{})
entry[cnames[0]] = "match words 123 abc"
entry[cnames[1]] = "value1"
entry[cnames[2]] = i
entry[cnames[3]] = (i%2 == 0)
entry[cnames[4]] = strconv.FormatUint(uint64(i)*2, 10)
entry[cnames[5]] = "batch-" + fmt.Sprint(j) + "-" + utils.RandomStringWithCharset(10)
entry[cnames[6]] = (i * 2)
entry[cnames[7]] = "batch-" + fmt.Sprint(j)
entry[cnames[8]] = j
entry[cnames[9]] = rand.Float64()
entry[cnames[10]] = segkey
entry[cnames[11]] = "record-batch-" + fmt.Sprint(i%2)
timestp := uint64(i) + 1 // dont start with 0 as timestamp
raw, _ := json.Marshal(entry)
_, _, err := segStore.EncodeColumns(raw, timestp, &tsKey, SIGNAL_EVENTS)
if err != nil {
log.Errorf("WriteMockColSegFile: error packing entry: %s", err)
}
segStore.wipBlock.blockSummary.RecCount += 1
}
allBlockBlooms[j] = segStore.wipBlock.columnBlooms
allBlockSummaries[j] = &segStore.wipBlock.blockSummary
allBlockRangeIdx[j] = segStore.wipBlock.columnRangeIndexes
allBlockOffsets[currBlockUint] = &BlockMetadataHolder{
ColumnBlockOffset: make(map[string]int64),
ColumnBlockLen: make(map[string]uint32),
}
for cname, colWip := range segStore.wipBlock.colWips {
csgFname := fmt.Sprintf("%v_%v.csg", segkey, xxhash.Sum64String(cname))
var encType []byte
if cname == config.GetTimeStampKey() {
encType, _ = segStore.wipBlock.encodeTimestamps()
} else {
encType = ZSTD_COMLUNAR_BLOCK
}
blkLen, blkOffset, err := writeWip(colWip, encType)
if err != nil {
log.Errorf("WriteMockColSegFile: failed to write colsegfilename=%v, err=%v", csgFname, err)
}
allBlockOffsets[currBlockUint].ColumnBlockLen[cname] = blkLen
allBlockOffsets[currBlockUint].ColumnBlockOffset[cname] = blkOffset
}
}
allColsSizes := make(map[string]*ColSizeInfo)
for cname := range mapCol {
fnamecmi := fmt.Sprintf("%v_%v.csg", segkey, xxhash.Sum64String(cname))
cmiSize, _ := ssutils.GetFileSizeFromDisk(fnamecmi)
fnamecsg := fmt.Sprintf("%v_%v.csg", segkey, xxhash.Sum64String(cname))
csgSize, _ := ssutils.GetFileSizeFromDisk(fnamecsg)
allColsSizes[cname] = &ColSizeInfo{CmiSize: cmiSize, CsgSize: csgSize}
}
return allBlockBlooms, allBlockSummaries, allBlockRangeIdx, mapCol, allBlockOffsets, allColsSizes
}
func WriteMockTraceFile(segkey string, numBlocks int, entryCount int) ([]map[string]*BloomIndex,
[]*BlockSummary, []map[string]*RangeIndex, map[string]bool, map[uint16]*BlockMetadataHolder) {
allBlockBlooms := make([]map[string]*BloomIndex, numBlocks)
allBlockRangeIdx := make([]map[string]*RangeIndex, numBlocks)
allBlockSummaries := make([]*BlockSummary, numBlocks)
allBlockOffsets := make(map[uint16]*BlockMetadataHolder)
segstats := make(map[string]*SegStats)
mapCol := make(map[string]bool)
mapCol["tags"] = true
mapCol["startTimeMillis"] = true
mapCol["timestamp"] = true
tsKey := config.GetTimeStampKey()
allCols := make(map[string]bool)
// set up entries
for j := 0; j < numBlocks; j++ {
currBlockUint := uint16(j)
columnBlooms := make(map[string]*BloomIndex)
columnRangeIndexes := make(map[string]*RangeIndex)
colWips := make(map[string]*ColWip)
wipBlock := WipBlock{
columnBlooms: columnBlooms,
columnRangeIndexes: columnRangeIndexes,
colWips: colWips,
pqMatches: make(map[string]*pqmr.PQMatchResults),
columnsInBlock: mapCol,
tomRollup: make(map[uint64]*RolledRecs),
tohRollup: make(map[uint64]*RolledRecs),
todRollup: make(map[uint64]*RolledRecs),
bb: bbp.Get(),
blockTs: make([]uint64, 0),
}
segStore := &SegStore{
wipBlock: wipBlock,
SegmentKey: segkey,
AllSeenColumns: allCols,
pqTracker: initPQTracker(),
AllSst: segstats,
numBlocks: currBlockUint,
}
entries := []struct {
entry []byte
}{
{
[]byte(`{"tags": [
{
"key": "sampler.type",
"type": "string",
"value": "const"
},
{
"key": "sampler.param",
"type": "bool",
"value": "true"
},
{
"key": "http.status_code",
"type": "int64",
"value": "200"
},
{
"key": "component",
"type": "string",
"value": "gRPC"
},