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* starting parquet support starting parquet support. some things are still todo: compaction, find trace by ID Co-Authored-By: Annanay Agarwal <[email protected]> Co-Authored-By: Martin Disibio <[email protected]> * add parquet reusable streaming block * Add parquet compaction * Add findTraceByID logic and parquet -> proto conversion Signed-off-by: Annanay <[email protected]> * Switch findtracebyid to readrow until we get SeekToRow working * Fix error handling in bufferedReaderAt. Add various instrumentation and log messages * Use jsonpb to roundtrip event attributes * Improve buffered reader when reading near end of file. More instrumentation and tidiness * Add totalBlockBytes instrumentation. Fix inspectedBytes instrumentation * parquet.FindTraceByID check bloom * Make compator flush on trace count until we get the row group size target working * Support maxDuration in parquet search * Correct attribute translation for array/kvlist Signed-off-by: Annanay <[email protected]> * extend roundtrip test Signed-off-by: Annanay <[email protected]> * Use default page buffer size * Fix size url param to be uint64 * Increase parquet searches to 1MB stripes * Add test for findtracebyid * make row group size configurable Signed-off-by: Annanay <[email protected]> * Record parquet footer size in block meta and short-circuit header/footer reads * Add tests for SubstringPredicate * Switch compaction to compact blocks of same version, use re-usable buffer in findtracebyid Signed-off-by: Annanay <[email protected]> * Add search support for remaining well-known attributes and span status, add search tests * Benchmark substringPredicate * Make block version configurable, default to v2 * memoize substringPredicate * Update segmentio/parquet-go to catch SeekToRow fix, revert hack in FindTraceByID Signed-off-by: Annanay <[email protected]> * Add multi block prefetch iterator for use in compactor Signed-off-by: Annanay <[email protected]> * Add BufferedWriter with outgoing queue to flush traces async Signed-off-by: Annanay <[email protected]> Make compactor block complete async Signed-off-by: Annanay <[email protected]> * First pass CLI to dump schema and column sizes from block Signed-off-by: Annanay <[email protected]> * honor search start/end time range * Improve error message, add blockID Signed-off-by: Annanay <[email protected]> * Fix race in InstrumentedPredicate with atomics * Make bufferedReaderAt not single-threaded * Debug SeekToRow panic, add test data from vulture tenant Signed-off-by: Annanay <[email protected]> * fix test * repair tests * Address println warnings * Experiment with bookmark prefetch Signed-off-by: Annanay <[email protected]> Remove quitCh from bookmark Signed-off-by: Annanay <[email protected]> * fix prefetch on the bookmarks Signed-off-by: Annanay <[email protected]> * lint * tracker -> RowNumber, lint * delete unused predicates * lint * lint * mod vendor * remove pool from buffered writer queue Signed-off-by: Annanay <[email protected]> * post merge cleanup Signed-off-by: Annanay <[email protected]> * Close quitCh instead of attempting to signal to it Signed-off-by: Annanay <[email protected]> * split multiblock and prefetch iterators, refactor around interface Signed-off-by: Annanay <[email protected]> * Split search into 2 phases to avoid loading traceid/display columns unless there is a match * Make columnIterator.SeekTo do something * update to catch segmentio/parquet-go#220 Signed-off-by: Annanay <[email protected]> * Fix column index to store entire 32-byte trace ID string. lint * Make parquet honor the adjusted start/end times that come from the wal * post merge cleanup: use compaction metric callbacks Signed-off-by: Annanay <[email protected]> * serverless sum/mods Signed-off-by: Annanay <[email protected]> * parquetquery predicates handle column index not present * Make parquet compaction really honor input block start/end times, add universal test at tempodb-level * parquet skip page indexes while searching to reduce latency on openfile * More testing around iterators and combiner Signed-off-by: Annanay <[email protected]> * Update to latest parquet lib to catch rle bitpack fix * Review feedback: LatestEncoding -> DefaultEncoding * Pass block footerSize through serverless * mod vendor for serverless * Fix tests * add blockID to error message in block iterator Signed-off-by: Annanay <[email protected]> * increase readvalues buffer, add more span instrumentation Signed-off-by: Annanay <[email protected]> * changelog and docs * Remove the use of async writer in vparquet compactor Signed-off-by: Annanay <[email protected]> Co-authored-by: Annanay Agarwal <[email protected]>
snappy
The Snappy compression format in the Go programming language.
This is a drop-in replacement for github.com/golang/snappy.
It provides a full, compatible replacement of the Snappy package by simply changing imports.
See Snappy Compatibility in the S2 documentation.
"Better" compression mode is used. For buffered streams concurrent compression is used.
For more options use the s2 package.
usage
Replace imports github.com/golang/snappy with github.com/klauspost/compress/snappy.