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34 lines
1 KiB
Go
34 lines
1 KiB
Go
package encoding
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import (
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/encoding/zstd"
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"github.com/VictoriaMetrics/metrics"
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)
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// CompressZSTDLevel appends compressed src to dst and returns
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// the appended dst.
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//
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// The given compressLevel is used for the compression.
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func CompressZSTDLevel(dst, src []byte, compressLevel int) []byte {
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compressCalls.Inc()
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originalBytes.Add(len(src))
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dstLen := len(dst)
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dst = zstd.CompressLevel(dst, src, compressLevel)
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compressedBytes.Add(len(dst) - dstLen)
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return dst
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}
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// DecompressZSTD decompresses src, appends the result to dst and returns
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// the appended dst.
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func DecompressZSTD(dst, src []byte) ([]byte, error) {
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decompressCalls.Inc()
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return zstd.Decompress(dst, src)
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}
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var (
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compressCalls = metrics.NewCounter(`vm_zstd_block_compress_calls_total`)
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decompressCalls = metrics.NewCounter(`vm_zstd_block_decompress_calls_total`)
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originalBytes = metrics.NewCounter(`vm_zstd_block_original_bytes_total`)
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compressedBytes = metrics.NewCounter(`vm_zstd_block_compressed_bytes_total`)
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)
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