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This commit is contained in:
eleksir
2024-04-19 21:30:16 +03:00
parent 3b6dd3fdef
commit 442142291c
585 changed files with 21099 additions and 15328 deletions
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89
vendor/github.com/cockroachdb/pebble/options.go generated vendored
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@@ -119,6 +119,16 @@ type IterOptions struct {
// false to skip scanning. This function must be thread-safe since the same
// function can be used by multiple iterators, if the iterator is cloned.
TableFilter func(userProps map[string]string) bool
// SkipPoint may be used to skip over point keys that don't match an
// arbitrary predicate during iteration. If set, the Iterator invokes
// SkipPoint for keys encountered. If SkipPoint returns true, the iterator
// will skip the key without yielding it to the iterator operation in
// progress.
//
// SkipPoint must be a pure function and always return the same result when
// provided the same arguments. The iterator may call SkipPoint multiple
// times for the same user key.
SkipPoint func(userKey []byte) bool
// PointKeyFilters can be used to avoid scanning tables and blocks in tables
// when iterating over point keys. This slice represents an intersection
// across all filters, i.e., all filters must indicate that the block is
@@ -540,6 +550,11 @@ type Options struct {
// concurrency slots as determined by the two options is chosen.
CompactionDebtConcurrency uint64
// IngestSplit, if it returns true, allows for ingest-time splitting of
// existing sstables into two virtual sstables to allow ingestion sstables to
// slot into a lower level than they otherwise would have.
IngestSplit func() bool
// ReadCompactionRate controls the frequency of read triggered
// compactions by adjusting `AllowedSeeks` in manifest.FileMetadata:
//
@@ -603,10 +618,10 @@ type Options struct {
// desired size of each level of the LSM. Defaults to 10.
LevelMultiplier int
// MultiLevelCompactionHueristic determines whether to add an additional
// MultiLevelCompactionHeuristic determines whether to add an additional
// level to a conventional two level compaction. If nil, a multilevel
// compaction will never get triggered.
MultiLevelCompactionHueristic MultiLevelHeuristic
MultiLevelCompactionHeuristic MultiLevelHeuristic
// MaxWriterConcurrency is used to indicate the maximum number of
// compression workers the compression queue is allowed to use. If
@@ -670,19 +685,44 @@ type Options struct {
// allows ingestion of external files.
RemoteStorage remote.StorageFactory
// If CreateOnShared is true, any new sstables are created on remote storage
// (using CreateOnSharedLocator). These sstables can be shared between
// different Pebble instances; the lifecycle of such objects is managed by
// the cluster.
// If CreateOnShared is non-zero, new sstables are created on remote storage
// (using CreateOnSharedLocator and with the appropriate
// CreateOnSharedStrategy). These sstables can be shared between different
// Pebble instances; the lifecycle of such objects is managed by the
// remote.Storage constructed by options.RemoteStorage.
//
// Can only be used when RemoteStorage is set (and recognizes
// CreateOnSharedLocator).
CreateOnShared bool
CreateOnShared remote.CreateOnSharedStrategy
CreateOnSharedLocator remote.Locator
// CacheSizeBytesBytes is the size of the on-disk block cache for objects
// on shared storage in bytes. If it is 0, no cache is used.
SecondaryCacheSizeBytes int64
// IneffectualPointDeleteCallback is called in compactions/flushes if any
// single delete is being elided without deleting a point set/merge.
IneffectualSingleDeleteCallback func(userKey []byte)
// SingleDeleteInvariantViolationCallback is called in compactions/flushes if any
// single delete has consumed a Set/Merge, and there is another immediately older
// Set/SetWithDelete/Merge. The user of Pebble has violated the invariant under
// which SingleDelete can be used correctly.
//
// Consider the sequence SingleDelete#3, Set#2, Set#1. There are three
// ways some of these keys can first meet in a compaction.
//
// - All 3 keys in the same compaction: this callback will detect the
// violation.
//
// - SingleDelete#3, Set#2 meet in a compaction first: Both keys will
// disappear. The violation will not be detected, and the DB will have
// Set#1 which is likely incorrect (from the user's perspective).
//
// - Set#2, Set#1 meet in a compaction first: The output will be Set#2,
// which will later be consumed by SingleDelete#3. The violation will
// not be detected and the DB will be correct.
SingleDeleteInvariantViolationCallback func(userKey []byte)
}
// Filters is a map from filter policy name to filter policy. It is used for
@@ -797,12 +837,18 @@ type Options struct {
// writing the contents of the old one in the
// background. MemTableStopWritesThreshold places a hard limit on the size of
// the queued MemTables.
//
// The default value is 4MB.
MemTableSize uint64
// Hard limit on the size of queued of MemTables. Writes are stopped when the
// sum of the queued memtable sizes exceeds
// MemTableStopWritesThreshold*MemTableSize. This value should be at least 2
// or writes will stop whenever a MemTable is being flushed.
// Hard limit on the number of queued of MemTables. Writes are stopped when
// the sum of the queued memtable sizes exceeds:
// MemTableStopWritesThreshold * MemTableSize.
//
// This value should be at least 2 or writes will stop whenever a MemTable is
// being flushed.
//
// The default value is 2.
MemTableStopWritesThreshold int
// Merger defines the associative merge operation to use for merging values
@@ -934,6 +980,10 @@ type Options struct {
// A private option to disable stats collection.
disableTableStats bool
// testingAlwaysWaitForCleanup is set by some tests to force waiting for
// obsolete file deletion (to make events deterministic).
testingAlwaysWaitForCleanup bool
// fsCloser holds a closer that should be invoked after a DB using these
// Options is closed. This is used to automatically stop the
// long-running goroutine associated with the disk-health-checking FS.
@@ -1045,7 +1095,7 @@ func (o *Options) EnsureDefaults() *Options {
o.MaxOpenFiles = 1000
}
if o.MemTableSize <= 0 {
o.MemTableSize = 4 << 20
o.MemTableSize = 4 << 20 // 4 MB
}
if o.MemTableStopWritesThreshold <= 0 {
o.MemTableStopWritesThreshold = 2
@@ -1086,8 +1136,8 @@ func (o *Options) EnsureDefaults() *Options {
if o.Experimental.CPUWorkPermissionGranter == nil {
o.Experimental.CPUWorkPermissionGranter = defaultCPUWorkGranter{}
}
if o.Experimental.MultiLevelCompactionHueristic == nil {
o.Experimental.MultiLevelCompactionHueristic = NoMultiLevel{}
if o.Experimental.MultiLevelCompactionHeuristic == nil {
o.Experimental.MultiLevelCompactionHeuristic = WriteAmpHeuristic{}
}
o.initMaps()
@@ -1228,6 +1278,7 @@ func (o *Options) String() string {
fmt.Fprintf(&buf, " max_writer_concurrency=%d\n", o.Experimental.MaxWriterConcurrency)
fmt.Fprintf(&buf, " force_writer_parallelism=%t\n", o.Experimental.ForceWriterParallelism)
fmt.Fprintf(&buf, " secondary_cache_size_bytes=%d\n", o.Experimental.SecondaryCacheSizeBytes)
fmt.Fprintf(&buf, " create_on_shared=%d\n", o.Experimental.CreateOnShared)
// Private options.
//
@@ -1283,7 +1334,11 @@ func parseOptions(s string, fn func(section, key, value string) error) error {
pos := strings.Index(line, "=")
if pos < 0 {
return errors.Errorf("pebble: invalid key=value syntax: %s", errors.Safe(line))
const maxLen = 50
if len(line) > maxLen {
line = line[:maxLen-3] + "..."
}
return base.CorruptionErrorf("invalid key=value syntax: %q", errors.Safe(line))
}
key := strings.TrimSpace(line[:pos])
@@ -1499,6 +1554,10 @@ func (o *Options) Parse(s string, hooks *ParseHooks) error {
o.Experimental.ForceWriterParallelism, err = strconv.ParseBool(value)
case "secondary_cache_size_bytes":
o.Experimental.SecondaryCacheSizeBytes, err = strconv.ParseInt(value, 10, 64)
case "create_on_shared":
var createOnSharedInt int64
createOnSharedInt, err = strconv.ParseInt(value, 10, 64)
o.Experimental.CreateOnShared = remote.CreateOnSharedStrategy(createOnSharedInt)
default:
if hooks != nil && hooks.SkipUnknown != nil && hooks.SkipUnknown(section+"."+key, value) {
return nil