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### DML ### | |
# Keyspace Name | |
keyspace: stresscql | |
# The CQL for creating a keyspace (optional if it already exists) | |
keyspace_definition: | | |
CREATE KEYSPACE stresscql WITH replication = {'class': 'SimpleStrategy', 'replication_factor': 1}; | |
# Table name | |
table: blogposts | |
# The CQL for creating a table you wish to stress (optional if it already exists) | |
table_definition: | | |
CREATE TABLE blogposts ( | |
domain text, | |
published_date timeuuid, | |
url text, | |
author text, | |
title text, | |
body text, | |
PRIMARY KEY(domain, published_date) | |
) WITH CLUSTERING ORDER BY (published_date DESC) | |
AND compaction = { 'class':'LeveledCompactionStrategy' } | |
AND comment='A table to hold blog posts' | |
### Column Distribution Specifications ### | |
columnspec: | |
- name: domain | |
size: gaussian(5..100) #domain names are relatively short | |
population: uniform(1..10M) #10M possible domains to pick from | |
- name: published_date | |
cluster: fixed(1000) #under each domain we will have max 1000 posts | |
- name: url | |
size: uniform(30..300) | |
- name: title #titles shouldn't go beyond 200 chars | |
size: gaussian(10..200) | |
- name: author | |
size: uniform(5..20) #author names should be short | |
- name: body | |
size: gaussian(100..5000) #the body of the blog post can be long | |
### Batch Ratio Distribution Specifications ### | |
insert: | |
partitions: fixed(1) # Our partition key is the domain so only insert one per batch | |
select: fixed(1)/1000 # We have 1000 posts per domain so 1/1000 will allow 1 post per batch | |
batchtype: UNLOGGED # Unlogged batches | |
# | |
# A list of queries you wish to run against the schema | |
# | |
queries: | |
singlepost: | |
cql: select * from blogposts where domain = ? LIMIT 1 | |
fields: samerow | |
timeline: | |
cql: select url, title, published_date from blogposts where domain = ? LIMIT 10 | |
fields: samerow |
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./bin/cassandra-stress user profile=./blogpost.yaml ops\(insert=1\) | |
Results: | |
op rate : 8625 | |
partition rate : 8625 | |
row rate : 8612 | |
latency mean : 46.8 | |
latency median : 34.5 | |
latency 95th percentile : 121.9 | |
latency 99th percentile : 203.4 | |
latency 99.9th percentile : 600.4 | |
latency max : 877.0 | |
Total operation time : 00:00:42 | |
Improvement over 271 threadCount: 1% | |
Sleeping for 15s | |
id, partitions, op/s, pk/s, row/s, mean, med, .95, .99, .999, max, time, stderr | |
4 threadCount, 224850 , 4459, 4459, 4463, 0.9, 0.6, 2.0, 3.5, 18.5, 399.9, 50.4, 0.02339 | |
8 threadCount, 162950 , 5177, 5177, 5186, 1.5, 1.1, 3.9, 6.7, 33.4, 524.5, 31.5, 0.02161 | |
16 threadCount, 244850 , 6439, 6439, 6425, 2.5, 1.6, 6.4, 11.7, 47.7, 672.4, 38.0, 0.01971 | |
24 threadCount, 214200 , 6933, 6933, 6928, 3.4, 2.2, 9.4, 16.8, 57.7, 551.1, 30.9, 0.01743 | |
36 threadCount, 231700 , 7345, 7345, 7334, 4.9, 3.0, 12.5, 22.0, 66.5, 732.5, 31.5, 0.01348 | |
54 threadCount, 250700 , 7976, 7976, 7982, 6.8, 4.5, 18.4, 34.8, 73.6, 399.1, 31.4, 0.01045 | |
81 threadCount, 263600 , 8238, 8238, 8207, 9.8, 6.8, 25.4, 45.8, 83.0, 472.1, 32.0, 0.00976 | |
121 threadCount, 270400 , 8267, 8267, 8220, 14.6, 10.5, 37.3, 66.6, 133.5, 394.9, 32.7, 0.01334 | |
181 threadCount, 282950 , 8409, 8409, 8398, 21.4, 15.8, 54.4, 85.0, 152.7, 227.8, 33.6, 0.01107 | |
271 threadCount, 304350 , 8561, 8561, 8537, 31.4, 24.2, 81.3, 119.9, 224.3, 367.0, 35.6, 0.01268 | |
406 threadCount, 365300 , 8625, 8625, 8612, 46.8, 34.5, 121.9, 203.4, 600.4, 877.0, 42.4, 0.01867 | |
END |
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./bin/cassandra-stress user profile=./blogpost.yaml ops\(singlepost=2,timeline=1,insert=1\) | |
Results: | |
op rate : 5938 | |
partition rate : 5583 | |
row rate : 10555 | |
latency mean : 67.6 | |
latency median : 57.8 | |
latency 95th percentile : 160.3 | |
latency 99th percentile : 287.1 | |
latency 99.9th percentile : 450.6 | |
latency max : 719.7 | |
Total operation time : 00:00:43 | |
Improvement over 271 threadCount: -4% | |
Sleeping for 15s | |
id, partitions, op/s, pk/s, row/s, mean, med, .95, .99, .999, max, time, stderr | |
4 threadCount, 144779 , 3424, 3159, 5527, 1.2, 0.9, 2.1, 3.9, 23.2, 382.1, 45.8, 0.01988 | |
8 threadCount, 302678 , 4240, 3921, 6907, 1.9, 1.5, 3.8, 7.3, 47.1, 718.7, 77.2, 0.01967 | |
16 threadCount, 233321 , 5144, 4768, 8547, 3.1, 2.2, 7.3, 13.1, 77.0, 365.5, 48.9, 0.01945 | |
24 threadCount, 152504 , 5251, 4875, 8808, 4.6, 3.2, 11.0, 19.8, 127.8, 330.0, 31.3, 0.02022 | |
36 threadCount, 323510 , 5316, 4953, 9017, 6.8, 5.2, 18.6, 39.8, 157.5, 383.8, 65.3, 0.01950 | |
54 threadCount, 192879 , 5533, 5162, 9368, 9.7, 7.2, 24.1, 50.8, 127.8, 373.5, 37.4, 0.01915 | |
81 threadCount, 174440 , 5693, 5320, 9804, 14.1, 11.0, 32.8, 63.9, 127.2, 384.2, 32.8, 0.02233 | |
121 threadCount, 192749 , 5989, 5608, 10436, 20.1, 16.2, 47.1, 83.4, 158.3, 362.0, 34.4, 0.01916 | |
181 threadCount, 196909 , 6053, 5674, 10633, 29.8, 24.5, 67.8, 111.9, 195.2, 321.1, 34.7, 0.01669 | |
271 threadCount, 214778 , 6186, 5808, 10962, 43.5, 35.5, 104.1, 177.8, 310.3, 526.3, 37.0, 0.01777 | |
406 threadCount, 242622 , 5938, 5583, 10555, 67.6, 57.8, 160.3, 287.1, 450.6, 719.7, 43.5, 0.01863 | |
END |
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./bin/cassandra-stress user profile=./blogpost.yaml ops\(singlepost=1\) | |
Results: | |
op rate : 7222 | |
partition rate : 6456 | |
row rate : 6456 | |
latency mean : 83.0 | |
latency median : 72.4 | |
latency 95th percentile : 180.9 | |
latency 99th percentile : 307.0 | |
latency 99.9th percentile : 732.3 | |
latency max : 1057.8 | |
Total operation time : 00:00:40 | |
Improvement over 406 threadCount: -1% | |
Sleeping for 15s | |
id, partitions, op/s, pk/s, row/s, mean, med, .95, .99, .999, max, time, stderr | |
4 threadCount, 86769 , 3212, 2871, 2871, 1.2, 1.1, 2.1, 3.3, 9.1, 39.9, 30.2, 0.00906 | |
8 threadCount, 122557 , 4461, 3982, 3982, 1.8, 1.5, 3.2, 5.2, 18.2, 871.2, 30.8, 0.02569 | |
16 threadCount, 157139 , 5769, 5156, 5156, 2.8, 2.4, 5.8, 9.0, 25.1, 47.0, 30.5, 0.00378 | |
24 threadCount, 167097 , 6099, 5454, 5454, 3.9, 3.3, 8.3, 12.9, 38.0, 329.0, 30.6, 0.00963 | |
36 threadCount, 162503 , 5894, 5262, 5262, 6.1, 5.0, 14.1, 23.4, 43.9, 196.7, 30.9, 0.01686 | |
54 threadCount, 179920 , 6482, 5789, 5789, 8.3, 7.2, 16.5, 26.2, 53.5, 101.1, 31.1, 0.01165 | |
81 threadCount, 195019 , 6967, 6229, 6229, 11.6, 10.2, 22.6, 34.5, 71.1, 372.4, 31.3, 0.00480 | |
121 threadCount, 200841 , 7026, 6280, 6280, 17.1, 15.6, 31.9, 47.2, 103.7, 200.8, 32.0, 0.00737 | |
181 threadCount, 209828 , 7267, 6490, 6490, 24.8, 23.1, 45.7, 62.2, 123.2, 156.5, 32.3, 0.00417 | |
271 threadCount, 220879 , 7243, 6466, 6466, 37.7, 33.5, 74.9, 112.6, 688.4, 771.8, 34.2, 0.00883 | |
406 threadCount, 238178 , 7299, 6514, 6514, 55.1, 48.7, 113.8, 179.6, 643.5, 916.4, 36.6, 0.00949 | |
609 threadCount, 261881 , 7222, 6456, 6456, 83.0, 72.4, 180.9, 307.0, 732.3, 1057.8, 40.6, 0.01282 | |
END |
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./bin/cassandra-stress user profile=./blogpost.yaml ops\(timeline=1\) | |
Results: | |
op rate : 7132 | |
partition rate : 6366 | |
row rate : 25337 | |
latency mean : 37.7 | |
latency median : 33.2 | |
latency 95th percentile : 74.4 | |
latency 99th percentile : 107.9 | |
latency 99.9th percentile : 713.3 | |
latency max : 929.6 | |
Total operation time : 00:00:35 | |
Improvement over 181 threadCount: -1% | |
Sleeping for 15s | |
id, partitions, op/s, pk/s, row/s, mean, med, .95, .99, .999, max, time, stderr | |
4 threadCount, 113793 , 4219, 3773, 15040, 0.9, 0.9, 1.5, 2.1, 6.3, 31.5, 30.2, 0.00846 | |
8 threadCount, 137662 , 5075, 4538, 18106, 1.6, 1.4, 2.9, 5.1, 20.1, 36.0, 30.3, 0.00896 | |
16 threadCount, 166180 , 6095, 5444, 21701, 2.6, 2.2, 5.5, 8.7, 21.4, 40.3, 30.5, 0.00619 | |
24 threadCount, 171222 , 6258, 5586, 22224, 3.8, 3.1, 8.1, 13.4, 28.4, 703.5, 30.6, 0.01146 | |
36 threadCount, 182360 , 6632, 5924, 23571, 5.4, 4.6, 11.5, 19.7, 34.7, 211.3, 30.8, 0.00579 | |
54 threadCount, 190032 , 6834, 6109, 24323, 7.9, 6.9, 16.3, 26.0, 41.3, 68.8, 31.1, 0.00511 | |
81 threadCount, 193598 , 6852, 6130, 24397, 11.8, 10.3, 23.9, 35.8, 51.9, 168.2, 31.6, 0.00700 | |
121 threadCount, 199891 , 6899, 6170, 24551, 17.5, 15.3, 31.9, 45.6, 649.3, 864.2, 32.4, 0.00605 | |
181 threadCount, 210030 , 7195, 6429, 25578, 25.1, 23.0, 46.1, 67.9, 110.5, 181.0, 32.7, 0.00411 | |
271 threadCount, 223373 , 7132, 6366, 25337, 37.7, 33.2, 74.4, 107.9, 713.3, 929.6, 35.1, 0.01103 | |
END |
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how can i understand this?
Cluster distribution - Defines the distribution for the number of clustering prefixes within a given partition (default of FIXED(1))