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Update branch as "main" in tools/advisor/README.md (#8744) 

Summary: Pull Request resolved: https://github.com/facebook/rocksdb/pull/8744

Reviewed By: ltamasi

Differential Revision: D30716145

Pulled By: akankshamahajan15

fbshipit-source-id: c2fcaf9ddcae85a86c0f10496acab28cd795ff12
This commit is contained in:
Akanksha Mahajan 2021-09-01 19:38:08 -07:00 committed by Facebook GitHub Bot
parent b9e9872819
commit e8a7001159
2 changed files with 13 additions and 13 deletions
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2
db/compaction/compaction_picker_level.cc
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@ -385,7 +385,7 @@ uint32_t LevelCompactionBuilder::GetPathId(
if (ioptions.level_compaction_dynamic_level_bytes) { if (ioptions.level_compaction_dynamic_level_bytes) {
// Currently, level_compaction_dynamic_level_bytes is ignored when // Currently, level_compaction_dynamic_level_bytes is ignored when
// multiple db paths are specified. https://github.com/facebook/ // multiple db paths are specified. https://github.com/facebook/
// rocksdb/blob/master/db/column_family.cc. // rocksdb/blob/main/db/column_family.cc.
// Still, adding this check to avoid accidentally using // Still, adding this check to avoid accidentally using
// max_bytes_for_level_multiplier_additional // max_bytes_for_level_multiplier_additional
level_size = static_cast<uint64_t>( level_size = static_cast<uint64_t>(

24
tools/advisor/README.md
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@ -12,17 +12,17 @@ experts.
## Overview ## Overview
Experts share their wisdom as rules comprising of conditions and suggestions in the INI format (refer Experts share their wisdom as rules comprising of conditions and suggestions in the INI format (refer
[rules.ini](https://github.com/facebook/rocksdb/blob/master/tools/advisor/advisor/rules.ini)). [rules.ini](https://github.com/facebook/rocksdb/blob/main/tools/advisor/advisor/rules.ini)).
Users provide the Rocksdb configuration that they want to improve upon (as the Users provide the Rocksdb configuration that they want to improve upon (as the
familiar Rocksdb OPTIONS file — familiar Rocksdb OPTIONS file —
[example](https://github.com/facebook/rocksdb/blob/master/examples/rocksdb_option_file_example.ini)) [example](https://github.com/facebook/rocksdb/blob/main/examples/rocksdb_option_file_example.ini))
and the path of the file which contains Rocksdb logs and statistics. and the path of the file which contains Rocksdb logs and statistics.
The [Advisor](https://github.com/facebook/rocksdb/blob/master/tools/advisor/advisor/rule_parser_example.py) The [Advisor](https://github.com/facebook/rocksdb/blob/main/tools/advisor/advisor/rule_parser_example.py)
creates appropriate DataSource objects (for Rocksdb creates appropriate DataSource objects (for Rocksdb
[logs](https://github.com/facebook/rocksdb/blob/master/tools/advisor/advisor/db_log_parser.py), [logs](https://github.com/facebook/rocksdb/blob/main/tools/advisor/advisor/db_log_parser.py),
[options](https://github.com/facebook/rocksdb/blob/master/tools/advisor/advisor/db_options_parser.py), [options](https://github.com/facebook/rocksdb/blob/main/tools/advisor/advisor/db_options_parser.py),
[statistics](https://github.com/facebook/rocksdb/blob/master/tools/advisor/advisor/db_stats_fetcher.py) etc.) [statistics](https://github.com/facebook/rocksdb/blob/main/tools/advisor/advisor/db_stats_fetcher.py) etc.)
and provides them to the [Rules Engine](https://github.com/facebook/rocksdb/blob/master/tools/advisor/advisor/rule_parser.py). and provides them to the [Rules Engine](https://github.com/facebook/rocksdb/blob/main/tools/advisor/advisor/rule_parser.py).
The Rules uses rules from experts to parse data-sources and trigger appropriate rules. The Rules uses rules from experts to parse data-sources and trigger appropriate rules.
The Advisor's output gives information about which rules were triggered, The Advisor's output gives information about which rules were triggered,
why they were triggered and what each of them suggests. Each suggestion why they were triggered and what each of them suggests. Each suggestion
@ -48,9 +48,9 @@ python3 -m advisor.rule_parser_example --rules_spec=advisor/rules.ini --rocksdb_
Most important amongst all the input that the Advisor needs, are the rules Most important amongst all the input that the Advisor needs, are the rules
spec and starting Rocksdb configuration. The configuration is provided as the spec and starting Rocksdb configuration. The configuration is provided as the
familiar Rocksdb Options file (refer [example](https://github.com/facebook/rocksdb/blob/master/examples/rocksdb_option_file_example.ini)). familiar Rocksdb Options file (refer [example](https://github.com/facebook/rocksdb/blob/main/examples/rocksdb_option_file_example.ini)).
The Rules spec is written in the INI format (more details in The Rules spec is written in the INI format (more details in
[rules.ini](https://github.com/facebook/rocksdb/blob/master/tools/advisor/advisor/rules.ini)). [rules.ini](https://github.com/facebook/rocksdb/blob/main/tools/advisor/advisor/rules.ini)).
In brief, a Rule is made of conditions and is triggered when all its In brief, a Rule is made of conditions and is triggered when all its
constituent conditions are triggered. When triggered, a Rule suggests changes constituent conditions are triggered. When triggered, a Rule suggests changes
@ -61,8 +61,8 @@ For example, a log Condition (with 'source=LOG') is triggered if a particular
'regex' is found in the Rocksdb LOG files. As of now the Rules Engine 'regex' is found in the Rocksdb LOG files. As of now the Rules Engine
supports 3 types of Conditions (and consequently data-sources): supports 3 types of Conditions (and consequently data-sources):
LOG, OPTIONS, TIME_SERIES. The TIME_SERIES data can be sourced from the LOG, OPTIONS, TIME_SERIES. The TIME_SERIES data can be sourced from the
Rocksdb [statistics](https://github.com/facebook/rocksdb/blob/master/include/rocksdb/statistics.h) Rocksdb [statistics](https://github.com/facebook/rocksdb/blob/main/include/rocksdb/statistics.h)
or [perf context](https://github.com/facebook/rocksdb/blob/master/include/rocksdb/perf_context.h). or [perf context](https://github.com/facebook/rocksdb/blob/main/include/rocksdb/perf_context.h).
For more information about the remaining command-line arguments, run: For more information about the remaining command-line arguments, run:
@ -87,7 +87,7 @@ scope: col_fam:
## Running the tests ## Running the tests
Tests for the code have been added to the Tests for the code have been added to the
[test/](https://github.com/facebook/rocksdb/tree/master/tools/advisor/test) [test/](https://github.com/facebook/rocksdb/tree/main/tools/advisor/test)
directory. For example, to run the unit tests for db_log_parser.py: directory. For example, to run the unit tests for db_log_parser.py:
```shell ```shell