benchmark command:
./db_bench --benchmarks=fillrandom --num=10000000 --value_size=1024 --db=your_running_db_folder
new command:
cannot change exec flow of userspace function
root@banana:~/zys/bpftime-evaluation/AisLSM/build# ./db_bench --benchmarks="fillrandom,stats" --num=10000000 --value_size=8192 --db=your_running_db_folder --level0_file_num_compaction_trigger=2 --level0_slowdown_writes_trigger=40 --level0_stop_writes_trigger=60
Set seed to 1701285792561867 because --seed was 0
Initializing RocksDB Options from the specified file
Initializing RocksDB Options from command-line flags
Integrated BlobDB: blob cache disabled
RocksDB: version 7.10.0
Date: Wed Nov 29 19:23:12 2023
CPU: 48 * Intel(R) Xeon(R) Gold 5418Y
CPUCache: 46080 KB
Keys: 16 bytes each (+ 0 bytes user-defined timestamp)
Values: 8192 bytes each (4096 bytes after compression)
Entries: 10000000
Prefix: 0 bytes
Keys per prefix: 0
RawSize: 78277.6 MB (estimated)
FileSize: 39215.1 MB (estimated)
Write rate: 0 bytes/second
Read rate: 0 ops/second
Compression: Snappy
Compression sampling rate: 0
Memtablerep: SkipListFactory
Perf Level: 1
------------------------------------------------
Initializing RocksDB Options from the specified file
Initializing RocksDB Options from command-line flags
Integrated BlobDB: blob cache disabled
DB path: [your_running_db_folder]
fillrandom : 72.623 micros/op 13769 ops/sec 726.232 seconds 10000000 operations; 107.8 MB/s
** Compaction Stats [default] **
Level Files Size Score Read(GB) Rn(GB) Rnp1(GB) Write(GB) Wnew(GB) Moved(GB) W-Amp Rd(MB/s) Wr(MB/s) Comp(sec) CompMergeCPU(sec) Comp(cnt) Avg(sec) KeyIn KeyDrop Rblob(GB) Wblob(GB)
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
L0 32/0 1.10 GB 16.0 0.0 0.0 0.0 42.6 42.6 0.0 1.0 0.0 303.3 143.82 137.60 1234 0.117 0 0 0.0 0.0
L1 95/1 5.94 GB 23.5 182.7 41.5 141.2 177.9 36.8 0.0 4.3 355.0 345.8 526.94 526.38 40 13.174 42M 1107K 0.0 0.0
L2 461/4 23.76 GB 9.4 57.5 25.8 31.7 50.4 18.7 5.0 2.0 357.4 313.5 164.71 164.46 354 0.465 13M 1655K 0.0 0.0
Sum 588/5 30.81 GB 0.0 240.2 67.3 172.9 271.0 98.1 5.0 6.4 294.3 332.1 835.47 828.45 1628 0.513 56M 2762K 0.0 0.0
Int 0/0 0.00 KB 0.0 37.4 9.7 27.8 40.2 12.4 0.0 7.6 275.9 296.0 138.98 138.16 228 0.610 8779K 606K 0.0 0.0
** Compaction Stats [default] **
Priority Files Size Score Read(GB) Rn(GB) Rnp1(GB) Write(GB) Wnew(GB) Moved(GB) W-Amp Rd(MB/s) Wr(MB/s) Comp(sec) CompMergeCPU(sec) Comp(cnt) Avg(sec) KeyIn KeyDrop Rblob(GB) Wblob(GB)
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Low 0/0 0.00 KB 0.0 240.2 67.3 172.9 228.4 55.5 0.0 0.0 355.5 338.1 691.65 690.84 394 1.755 56M 2762K 0.0 0.0
High 0/0 0.00 KB 0.0 0.0 0.0 0.0 42.6 42.6 0.0 0.0 0.0 303.3 143.82 137.60 1234 0.117 0 0 0.0 0.0
Blob file count: 0, total size: 0.0 GB, garbage size: 0.0 GB, space amp: 0.0
Uptime(secs): 726.2 total, 123.2 interval
Flush(GB): cumulative 42.596, interval 5.316
AddFile(GB): cumulative 0.000, interval 0.000
AddFile(Total Files): cumulative 0, interval 0
AddFile(L0 Files): cumulative 0, interval 0
AddFile(Keys): cumulative 0, interval 0
Cumulative compaction: 270.97 GB write, 382.06 MB/s write, 240.15 GB read, 338.62 MB/s read, 835.5 seconds
Interval compaction: 40.17 GB write, 333.83 MB/s write, 37.44 GB read, 311.15 MB/s read, 139.0 seconds
Stalls(count): 311 level0_slowdown, 97 level0_slowdown_with_compaction, 0 level0_numfiles, 0 level0_numfiles_with_compaction, 0 stop for pending_compaction_bytes, 0 slowdown for pending_compaction_bytes, 924 memtable_compaction, 0 memtable_slowdown, interval 183 total count
Block cache LRUCache@0x55555564f910#535028 capacity: 8.00 MB usage: 336.11 KB table_size: 256 occupancy: 352568 collections: 2 last_copies: 0 last_secs: 8.2e-05 secs_since: 123
Block cache entry stats(count,size,portion): Misc(43,340.61 KB,4.15783%)
** File Read Latency Histogram By Level [default] **
** DB Stats **
Uptime(secs): 726.2 total, 123.2 interval
Cumulative writes: 10M writes, 10M keys, 10M commit groups, 1.0 writes per commit group, ingest: 76.59 GB, 108.00 MB/s
Cumulative WAL: 10M writes, 0 syncs, 10000000.00 writes per sync, written: 76.59 GB, 108.00 MB/s
Cumulative stall: 00:09:50.644 H:M:S, 81.3 percent
Interval writes: 1254K writes, 1254K keys, 1254K commit groups, 1.0 writes per commit group, ingest: 9840.88 MB, 79.86 MB/s
Interval WAL: 1254K writes, 0 syncs, 1254731.00 writes per sync, written: 9.61 GB, 79.86 MB/s
Interval stall: 00:01:45.095 H:M:S, 85.3 percent
clear!
enable uprobe and kernel work together:
# LD_PRELOAD=/root/zys/bpftime/build/runtime/agent/libbpftime-agent.so ./db_bench --benchmarks="fillrandom,stats" --num=10000000 --value_size=8192 --db=your_running_db_folder --level0_file_num_compaction_trigger=2 --level0_slowdown_writes_trigger=40 --level0_stop_writes_trigger=60
[2023-11-29 23:13:24.790] [info] [agent.cpp:66] Entering bpftime agent
[2023-11-29 23:13:24.791] [info] [bpftime_shm_internal.cpp:597] Global shm constructed. shm_open_type 1 for bpftime_maps_shm
[2023-11-29 23:13:24.791] [info] [agent.cpp:81] Initializing agent..
[2023-11-29 23:13:24][info][694467] Executable path: /root/zys/bpftime-evaluation/AisLSM/build/db_bench
[2023-11-29 23:13:24][info][694467] Attach successfully
Set seed to 1701299604796503 because --seed was 0
Initializing RocksDB Options from the specified file
Initializing RocksDB Options from command-line flags
Integrated BlobDB: blob cache disabled
RocksDB: version 7.10.0
Date: Wed Nov 29 23:13:24 2023
CPU: 48 * Intel(R) Xeon(R) Gold 5418Y
CPUCache: 46080 KB
Keys: 16 bytes each (+ 0 bytes user-defined timestamp)
Values: 8192 bytes each (4096 bytes after compression)
Entries: 10000000
Prefix: 0 bytes
Keys per prefix: 0
RawSize: 78277.6 MB (estimated)
FileSize: 39215.1 MB (estimated)
Write rate: 0 bytes/second
Read rate: 0 ops/second
Compression: Snappy
Compression sampling rate: 0
Memtablerep: SkipListFactory
Perf Level: 1
------------------------------------------------
Initializing RocksDB Options from the specified file
Initializing RocksDB Options from command-line flags
Integrated BlobDB: blob cache disabled
DB path: [your_running_db_folder]
fillrandom : 78.684 micros/op 12709 ops/sec 786.842 seconds 10000000 operations; 99.5 MB/s
** Compaction Stats [default] **
Level Files Size Score Read(GB) Rn(GB) Rnp1(GB) Write(GB) Wnew(GB) Moved(GB) W-Amp Rd(MB/s) Wr(MB/s) Comp(sec) CompMergeCPU(sec) Comp(cnt) Avg(sec) KeyIn KeyDrop Rblob(GB) Wblob(GB)
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
L0 16/0 565.60 MB 8.0 0.0 0.0 0.0 42.6 42.6 0.0 1.0 0.0 274.9 158.66 152.52 1234 0.129 0 0 0.0 0.0
L1 99/1 6.16 GB 24.5 179.9 42.0 137.8 175.2 37.4 0.0 4.2 315.5 307.3 583.70 583.26 40 14.592 42M 1098K 0.0 0.0
L2 461/1 23.89 GB 9.5 59.9 27.2 32.7 52.6 19.9 4.0 1.9 316.4 277.8 193.95 193.76 377 0.514 14M 1713K 0.0 0.0
Sum 576/2 30.60 GB 0.0 239.8 69.2 170.5 270.4 99.8 4.0 6.3 262.2 295.7 936.30 929.53 1651 0.567 56M 2811K 0.0 0.0
Int 0/0 0.00 KB 0.0 57.1 14.8 42.3 60.7 18.4 0.0 8.0 269.7 286.9 216.77 215.52 339 0.639 13M 924K 0.0 0.0
** Compaction Stats [default] **
Priority Files Size Score Read(GB) Rn(GB) Rnp1(GB) Write(GB) Wnew(GB) Moved(GB) W-Amp Rd(MB/s) Wr(MB/s) Comp(sec) CompMergeCPU(sec) Comp(cnt) Avg(sec) KeyIn KeyDrop Rblob(GB) Wblob(GB)
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Low 0/0 0.00 KB 0.0 239.8 69.2 170.5 227.8 57.2 0.0 0.0 315.7 299.9 777.65 777.01 417 1.865 56M 2811K 0.0 0.0
High 0/0 0.00 KB 0.0 0.0 0.0 0.0 42.6 42.6 0.0 0.0 0.0 274.9 158.66 152.52 1234 0.129 0 0 0.0 0.0
Blob file count: 0, total size: 0.0 GB, garbage size: 0.0 GB, space amp: 0.0
Uptime(secs): 786.8 total, 183.8 interval
Flush(GB): cumulative 42.596, interval 7.594
AddFile(GB): cumulative 0.000, interval 0.000
AddFile(Total Files): cumulative 0, interval 0
AddFile(L0 Files): cumulative 0, interval 0
AddFile(Keys): cumulative 0, interval 0
Cumulative compaction: 270.38 GB write, 351.87 MB/s write, 239.77 GB read, 312.04 MB/s read, 936.3 seconds
Interval compaction: 60.73 GB write, 338.28 MB/s write, 57.08 GB read, 317.95 MB/s read, 216.8 seconds
Stalls(count): 295 level0_slowdown, 106 level0_slowdown_with_compaction, 0 level0_numfiles, 0 level0_numfiles_with_compaction, 0 stop for pending_compaction_bytes, 0 slowdown for pending_compaction_bytes, 965 memtable_compaction, 0 memtable_slowdown, interval 245 total count
Block cache LRUCache@0x55555563e6f0#694467 capacity: 8.00 MB usage: 336.09 KB table_size: 256 occupancy: 352552 collections: 2 last_copies: 0 last_secs: 9.6e-05 secs_since: 183
Block cache entry stats(count,size,portion): Misc(42,332.48 KB,4.05865%)
** File Read Latency Histogram By Level [default] **
** DB Stats **
Uptime(secs): 786.8 total, 183.8 interval
Cumulative writes: 10M writes, 10M keys, 10M commit groups, 1.0 writes per commit group, ingest: 76.59 GB, 99.68 MB/s
Cumulative WAL: 10M writes, 0 syncs, 10000000.00 writes per sync, written: 76.59 GB, 99.68 MB/s
Cumulative stall: 00:10:46.047 H:M:S, 82.1 percent
Interval writes: 1785K writes, 1785K keys, 1785K commit groups, 1.0 writes per commit group, ingest: 14007.42 MB, 76.19 MB/s
Interval WAL: 1785K writes, 0 syncs, 1785973.00 writes per sync, written: 13.68 GB, 76.19 MB/s
Interval stall: 00:02:38.171 H:M:S, 86.0 percent
INFO [694467]: Global shm destructed
clear!
root@banana:~/zys/bpftime-evaluation/AisLSM/build#
override all:
LD_PRELOAD=/root/zys/bpftime/build/runtime/agent/libbpftime-agent.so ./db_bench --benchmarks="fillrandom,stats" --num=10000000 --value_size=8192 --db=your_running_db_folder --level0_file_num_compaction_trigger=2 --level0_slowdown_writes_trigger=40 --level0_stop_writes_trigger=60
[2023-11-29 23:30:28.570] [info] [agent.cpp:66] Entering bpftime agent
[2023-11-29 23:30:28.572] [info] [bpftime_shm_internal.cpp:597] Global shm constructed. shm_open_type 1 for bpftime_maps_shm
[2023-11-29 23:30:28.572] [info] [agent.cpp:81] Initializing agent..
[2023-11-29 23:30:28][info][708665] Executable path: /root/zys/bpftime-evaluation/AisLSM/build/db_bench
[2023-11-29 23:30:28][info][708665] Attach successfully
Set seed to 1701300628577395 because --seed was 0
Initializing RocksDB Options from the specified file
Initializing RocksDB Options from command-line flags
Integrated BlobDB: blob cache disabled
RocksDB: version 7.10.0
Date: Wed Nov 29 23:30:29 2023
CPU: 48 * Intel(R) Xeon(R) Gold 5418Y
CPUCache: 46080 KB
Keys: 16 bytes each (+ 0 bytes user-defined timestamp)
Values: 8192 bytes each (4096 bytes after compression)
Entries: 10000000
Prefix: 0 bytes
Keys per prefix: 0
RawSize: 78277.6 MB (estimated)
FileSize: 39215.1 MB (estimated)
Write rate: 0 bytes/second
Read rate: 0 ops/second
Compression: Snappy
Compression sampling rate: 0
Memtablerep: SkipListFactory
Perf Level: 1
------------------------------------------------
Initializing RocksDB Options from the specified file
Initializing RocksDB Options from command-line flags
Integrated BlobDB: blob cache disabled
DB path: [your_running_db_folder]
fillrandom : 78.074 micros/op 12808 ops/sec 780.741 seconds 10000000 operations; 100.3 MB/s
** Compaction Stats [default] **
Level Files Size Score Read(GB) Rn(GB) Rnp1(GB) Write(GB) Wnew(GB) Moved(GB) W-Amp Rd(MB/s) Wr(MB/s) Comp(sec) CompMergeCPU(sec) Comp(cnt) Avg(sec) KeyIn KeyDrop Rblob(GB) Wblob(GB)
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
L0 41/0 1.42 GB 20.5 0.0 0.0 0.0 42.6 42.6 0.0 1.0 0.0 283.6 153.93 147.73 1235 0.125 0 0 0.0 0.0
L1 89/1 5.60 GB 22.1 179.7 41.2 138.5 175.0 36.6 0.0 4.2 319.5 311.2 575.81 575.43 39 14.764 42M 1091K 0.0 0.0
L2 469/4 23.82 GB 9.5 58.3 26.5 31.8 51.2 19.3 4.5 1.9 305.3 267.9 195.55 195.39 371 0.527 13M 1673K 0.0 0.0
Sum 599/5 30.83 GB 0.0 238.0 67.7 170.3 268.8 98.5 4.5 6.3 263.4 297.5 925.29 918.55 1645 0.562 55M 2765K 0.0 0.0
Int 0/0 0.00 KB 0.0 58.2 15.4 42.8 62.5 19.7 0.0 7.4 270.7 291.0 219.98 218.59 378 0.582 13M 970K 0.0 0.0
** Compaction Stats [default] **
Priority Files Size Score Read(GB) Rn(GB) Rnp1(GB) Write(GB) Wnew(GB) Moved(GB) W-Amp Rd(MB/s) Wr(MB/s) Comp(sec) CompMergeCPU(sec) Comp(cnt) Avg(sec) KeyIn KeyDrop Rblob(GB) Wblob(GB)
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Low 0/0 0.00 KB 0.0 238.0 67.7 170.3 226.2 55.9 0.0 0.0 315.9 300.3 771.36 770.82 410 1.881 55M 2765K 0.0 0.0
High 0/0 0.00 KB 0.0 0.0 0.0 0.0 42.6 42.6 0.0 0.0 0.0 283.6 153.93 147.73 1235 0.125 0 0 0.0 0.0
Blob file count: 0, total size: 0.0 GB, garbage size: 0.0 GB, space amp: 0.0
Uptime(secs): 780.7 total, 177.7 interval
Flush(GB): cumulative 42.629, interval 8.491
AddFile(GB): cumulative 0.000, interval 0.000
AddFile(Total Files): cumulative 0, interval 0
AddFile(L0 Files): cumulative 0, interval 0
AddFile(Keys): cumulative 0, interval 0
Cumulative compaction: 268.81 GB write, 352.56 MB/s write, 237.97 GB read, 312.12 MB/s read, 925.3 seconds
Interval compaction: 62.51 GB write, 360.14 MB/s write, 58.16 GB read, 335.07 MB/s read, 220.0 seconds
Stalls(count): 316 level0_slowdown, 100 level0_slowdown_with_compaction, 0 level0_numfiles, 0 level0_numfiles_with_compaction, 0 stop for pending_compaction_bytes, 0 slowdown for pending_compaction_bytes, 902 memtable_compaction, 0 memtable_slowdown, interval 286 total count
Block cache LRUCache@0x55555563e6f0#708665 capacity: 8.00 MB usage: 344.30 KB table_size: 256 occupancy: 352568 collections: 2 last_copies: 0 last_secs: 0.000102 secs_since: 177
Block cache entry stats(count,size,portion): Misc(43,340.61 KB,4.15783%)
** File Read Latency Histogram By Level [default] **
** DB Stats **
Uptime(secs): 780.7 total, 177.7 interval
Cumulative writes: 10M writes, 10M keys, 10M commit groups, 1.0 writes per commit group, ingest: 76.59 GB, 100.46 MB/s
Cumulative WAL: 10M writes, 0 syncs, 10000000.00 writes per sync, written: 76.59 GB, 100.46 MB/s
Cumulative stall: 00:10:38.310 H:M:S, 81.8 percent
Interval writes: 1985K writes, 1985K keys, 1985K commit groups, 1.0 writes per commit group, ingest: 15571.06 MB, 87.61 MB/s
Interval WAL: 1985K writes, 0 syncs, 1985340.00 writes per sync, written: 15.21 GB, 87.61 MB/s
Interval stall: 00:02:29.716 H:M:S, 84.2 percent
INFO [708665]: Global shm destructed
clear!