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Peter (Stig) Edwards 2ed91622fb sst_dump recompress show #blocks compressed and not compressed (#5791) 
Summary:
Closes https://github.com/facebook/rocksdb/issues/1474
Helps show when the 12.5% threshold for GoodCompressionRatio (originally from ldb) is hit.

Example output:

```
> ./sst_dump --file=/tmp/test.sst --command=recompress
from [] to []
Process /tmp/test.sst
Sst file format: block-based
Block Size: 16384
Compression: kNoCompression           Size:  122579836 Blocks:   2300 Compressed:      0 (  0.0%) Not compressed (ratio):   2300 (100.0%) Not compressed (abort):      0 (  0.0%)
Compression: kSnappyCompression       Size:   46289962 Blocks:   2300 Compressed:   2119 ( 92.1%) Not compressed (ratio):    181 (  7.9%) Not compressed (abort):      0 (  0.0%)
Compression: kZlibCompression         Size:   29689825 Blocks:   2300 Compressed:   2301 (100.0%) Not compressed (ratio):      0 (  0.0%) Not compressed (abort):      0 (  0.0%)
Unsupported compression type: kBZip2Compression.
Compression: kLZ4Compression          Size:   44785490 Blocks:   2300 Compressed:   1950 ( 84.8%) Not compressed (ratio):    350 ( 15.2%) Not compressed (abort):      0 (  0.0%)
Compression: kLZ4HCCompression        Size:   37498895 Blocks:   2300 Compressed:   2301 (100.0%) Not compressed (ratio):      0 (  0.0%) Not compressed (abort):      0 (  0.0%)
Unsupported compression type: kXpressCompression.
Compression: kZSTD                    Size:   32208707 Blocks:   2300 Compressed:   2301 (100.0%) Not compressed (ratio):      0 (  0.0%) Not compressed (abort):      0 (  0.0%)
```
Pull Request resolved: https://github.com/facebook/rocksdb/pull/5791

Differential Revision: D17347870

fbshipit-source-id: af10849c010b46b20e54162b70123c2805ffe526
2019-09-13 16:30:41 -07:00
..
advisor Rules Advisor: some fixes to support fetching stats from ODS (#4223) 2018-08-02 15:42:42 -07:00
block_cache_analyzer Fix RocksDB bug in block_cache_trace_analyzer.cc on Windows (#5786) 2019-09-11 18:36:41 -07:00
dump simplify include directive involving inttypes (#5402) 2019-06-06 13:56:07 -07:00
rdb Add copyright headers per FB open-source checkup tool. (#5199) 2019-04-18 10:55:01 -07:00
analyze_txn_stress_test.sh Add copyright headers per FB open-source checkup tool. (#5199) 2019-04-18 10:55:01 -07:00
auto_sanity_test.sh Add copyright headers per FB open-source checkup tool. (#5199) 2019-04-18 10:55:01 -07:00
benchmark_leveldb.sh Add copyright headers per FB open-source checkup tool. (#5199) 2019-04-18 10:55:01 -07:00
benchmark.sh Add copyright headers per FB open-source checkup tool. (#5199) 2019-04-18 10:55:01 -07:00
blob_dump.cc comment unused parameters to turn on -Wunused-parameter flag 2018-04-12 17:59:16 -07:00
check_format_compatible.sh Add more release versions to tools/check_format_compatible.sh (#5518) 2019-06-28 17:41:58 -07:00
CMakeLists.txt cmake support for linux and osx (#1358) 2016-09-28 11:53:15 -07:00
db_bench_tool_test.cc Refactor trimming logic for immutable memtables (#5022) 2019-08-23 13:55:34 -07:00
db_bench_tool.cc Add insert hints for each writebatch (#5728) 2019-09-12 17:15:18 -07:00
db_bench.cc simplify include directive involving inttypes (#5402) 2019-06-06 13:56:07 -07:00
db_crashtest.py Temporarily disable hash index in stress tests (#5792) 2019-09-12 12:11:34 -07:00
db_repl_stress.cc Move some memory related files from util/ to memory/ (#5382) 2019-05-30 17:44:09 -07:00
db_sanity_test.cc Change RocksDB License 2017-07-15 16:11:23 -07:00
db_stress.cc Support partitioned index and filters in stress/crash tests (#4020) 2019-09-11 14:13:38 -07:00
dbench_monitor Fix /bin/bash shebangs 2017-08-03 15:56:46 -07:00
Dockerfile adding docker build script and dockerfile 2015-05-22 16:03:39 -07:00
generate_random_db.sh Add copyright headers per FB open-source checkup tool. (#5199) 2019-04-18 10:55:01 -07:00
ingest_external_sst.sh Add copyright headers per FB open-source checkup tool. (#5199) 2019-04-18 10:55:01 -07:00
ldb_cmd_impl.h Add command "list_file_range_deletes" in ldb (#5615) 2019-08-15 17:01:03 -07:00
ldb_cmd_test.cc Add command "list_file_range_deletes" in ldb (#5615) 2019-08-15 17:01:03 -07:00
ldb_cmd.cc Add command "list_file_range_deletes" in ldb (#5615) 2019-08-15 17:01:03 -07:00
ldb_test.py Fix interpreter lines for files with python2-only syntax. 2019-07-09 10:51:37 -07:00
ldb_tool.cc Add command "list_file_range_deletes" in ldb (#5615) 2019-08-15 17:01:03 -07:00
ldb.cc comment unused parameters to turn on -Wunused-parameter flag 2018-04-12 17:59:16 -07:00
pflag Fix /bin/bash shebangs 2017-08-03 15:56:46 -07:00
reduce_levels_test.cc Organizing rocksdb/db directory 2019-05-31 11:57:01 -07:00
regression_test.sh Add copyright headers per FB open-source checkup tool. (#5199) 2019-04-18 10:55:01 -07:00
report_lite_binary_size.sh Add copyright headers per FB open-source checkup tool. (#5199) 2019-04-18 10:55:01 -07:00
rocksdb_dump_test.sh Add copyright headers per FB open-source checkup tool. (#5199) 2019-04-18 10:55:01 -07:00
run_flash_bench.sh Add copyright headers per FB open-source checkup tool. (#5199) 2019-04-18 10:55:01 -07:00
run_leveldb.sh Add copyright headers per FB open-source checkup tool. (#5199) 2019-04-18 10:55:01 -07:00
sample-dump.dmp First version of rocksdb_dump and rocksdb_undump. 2015-06-19 16:24:36 -07:00
sst_dump_test.cc Move some memory related files from util/ to memory/ (#5382) 2019-05-30 17:44:09 -07:00
sst_dump_tool_imp.h sst_dump recompress show #blocks compressed and not compressed (#5791) 2019-09-13 16:30:41 -07:00
sst_dump_tool.cc sst_dump recompress show #blocks compressed and not compressed (#5791) 2019-09-13 16:30:41 -07:00
sst_dump.cc comment unused parameters to turn on -Wunused-parameter flag 2018-04-12 17:59:16 -07:00
trace_analyzer_test.cc Move util/trace_replay.* to trace_replay/ (#5376) 2019-06-03 13:25:26 -07:00
trace_analyzer_tool.cc replace sprintf with its safe version snprintf (#5475) 2019-06-18 16:42:26 -07:00
trace_analyzer_tool.h Move util/trace_replay.* to trace_replay/ (#5376) 2019-06-03 13:25:26 -07:00
trace_analyzer.cc RocksDB Trace Analyzer (#4091) 2018-08-13 11:44:02 -07:00
verify_random_db.sh Add copyright headers per FB open-source checkup tool. (#5199) 2019-04-18 10:55:01 -07:00
write_external_sst.sh Add copyright headers per FB open-source checkup tool. (#5199) 2019-04-18 10:55:01 -07:00
write_stress_runner.py Fix interpreter lines for files with python2-only syntax. 2019-07-09 10:51:37 -07:00
write_stress.cc simplify include directive involving inttypes (#5402) 2019-06-06 13:56:07 -07:00