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Tune badgerDB for large logs with high throughput #869

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Tune badgerDB for large logs with high throughput #869

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10 changes: 9 additions & 1 deletion cmd/tesseract/posix/main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -36,6 +36,7 @@ import (
"time"

"github.com/dgraph-io/badger/v4"
"github.com/dgraph-io/badger/v4/options"
"github.com/dustin/go-humanize"
"github.com/transparency-dev/tessera"
tposix "github.com/transparency-dev/tessera/storage/posix"
Expand Down Expand Up @@ -100,9 +101,12 @@ var (
clientHTTPMaxIdlePerHost = flag.Int("client_http_max_idle_per_host", 10, "Maximum number of idle HTTP connections per host for outgoing requests.")
garbageCollectionInterval = flag.Duration("garbage_collection_interval", 10*time.Second, "Interval between scans to remove obsolete partial tiles and entry bundles. Set to 0 to disable.")
antispamBatchSize = flag.Uint("antispam_batch_size", 10000, "Maximum number of antispam rows to insert per batch update.")
antispamBlockCacheSize = flag.String("antispam_block_cache_size", "768MB", "Amount of RAM to allocate for antispam block cache, set to zero to disable.")
antispamBlockCacheSize = flag.String("antispam_block_cache_size", "0MB", "Amount of RAM to allocate for antispam block cache, set to zero to disable. Default disabled since compression is off.")
antispamIndexCacheSize = flag.String("antispam_index_cache_size", "768MB", "Amount of RAM to allocate for antispam index cache, set to zero for unlimited.")
antispamCompactionInterval = flag.Duration("antispam_compaction_interval", tposix_as.DefaultCompactionInterval, "Interval between GC/compaction runs on the antispam index.")
antispamNumCompactors = flag.Int("antispam_num_compactors", 2, "Number of BadgerDB compactors to run.")
antispamMemTableSize = flag.Int64("antispam_mem_table_size", 256<<20, "Size of BadgerDB memtables.")
antispamBaseTableSize = flag.Int64("antispam_base_table_size", 16<<20, "Size of BadgerDB base tables.")
awaiterPollInterval = flag.Duration("awaiter_poll_interval", storage.DefaultAwaiterPollInterval, "Interval between two checkpoint polls by the awaiter. Used for antispam, and if enable_publication_awaiter is set, to block add-* requests responses. Must be strictly positive or defaults to DefaultAwaiterPollInterval.")

// Infrastructure setup flags
Expand Down Expand Up @@ -245,6 +249,10 @@ func newStorage(ctx context.Context, signer note.Signer) (st *storage.CTStorage,
CompactionInterval: *antispamCompactionInterval,
BadgerOptions: func(o badger.Options) badger.Options {
return o.
WithCompression(options.None). // Off as this appears to cause memory issues when compacting large indices.
WithMemTableSize(*antispamMemTableSize). // Default tunes memtables for high write throughput
WithBaseTableSize(*antispamBaseTableSize). // Default tunes to reduce file count
WithNumCompactors(*antispamNumCompactors). // Default tunes to be able keep up with high throughput of LSM merges
WithIndexCacheSize(int64(antispamIndexCacheBytes)).
WithBlockCacheSize(int64(antispamBlockCacheBytes))
},
Expand Down
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