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235 lines
8.3 KiB
Markdown
235 lines
8.3 KiB
Markdown
## Naming Change
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* binary name
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- `nb`
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- `nb5`
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## Runtime Requirements
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* Java 17 + GC improvements
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- woo ZGC
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* Deprecated old drivers (conflicts, etc)
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- version conflicts (removing cql drivers 1.9.* 3.*)
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## new Docs
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javadoc site
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developer guide
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first-time-user guide
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Ideally:
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* imported bindings details
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* imported plugins details
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* imported addons details
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* imported app details
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* imported scenario script details
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* imported workload details
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* imported format details
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## Added Drivers
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- cql driver 4
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- dynamodb
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- mongodb
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- others refreshed
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Any driver carried forward has been updated to the DriverAdapter API.
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Any driver which is explicitly incompatible with newer driver versions is deprecated and removed.
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This includes drivers which would require using Maven shading to avoid conflicts.
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This puts NB on a footing to be "Modular Jar" compatible, which is a step towards being fully modular in the jpms sense.
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## Bundled Scenario Scripts
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- stepup
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- optimo
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- findmax redux
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## Removed Drivers
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## New command line options
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```
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--docker-prom-retention-days=183d
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--list-scripts
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--list-apps
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```
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## New help topics
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## New scripting plugins
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- globalvars
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- fileaccess
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- csvoutput
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- shutdown
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- s3uploader
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## URL support
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- s3 (any usage of an S3 URL should work effectively like an equivalent http* URL)
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## New binding functions
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- SaveGlobalVars + Expr updates
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- DecimalFormat
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- DateRangeDuring
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- DateRangeFunc
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- DateRangeOnOrAfter
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- DateRangeOnOrBefore
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- DateRangeParser
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- double -> ToBigDecimal
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- int -> ToBigDecimal
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- long -> ToBigDecimal
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- String -> ToBigDecimal
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- distinct HashRange vs HashInterval functions
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- ToByteBuffer
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- long -> FixedValues() -> double
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- String -> ReplaceAll(...) -> String
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- String -> ReplaceRegex(...) -> String
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- long -> HashRangeScaled(...) -> int
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- long -> HashRangeScaled(...) -> long
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- int -> HashRangeScaled(...) -> int
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- Object -> ToJSON -> String
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- Object -> ToJSONPretty -> String
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- long -> ByteBufferSizedHashed -> ByteBuffer
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- long -> ByteBufferToHex -> String
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- long -> HashedByteBufferExtract -> ByteBuffer
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- long -> HashedCharBufferExtract -> CharBuffer
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- CharBuffer -> ToByteBuffer() -> ByteBuffer
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- String -> ToCharBuffer() -> String
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- long -> CharBufferExtract() -> CharBuffer
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- long -> CharBufImage() -> String
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- long -> CurrentEpochMillis() -> long
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- long -> ElapsedNanoTime() -> long
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- double -> LongStats() -> double
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- long -> ThreadNum() -> long
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- long -> ThreadNum() -> int
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- String -> EscapeJSON() -> String
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- long -> Expr(...) -> Object
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- long -> ToJavaInstant() -> (Java) Instant
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- long -> ToJodaInstant() -> (Joda) Instant
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- long -> ToLocalTime() -> LocalTime
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## Optimizations
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- avoid preparing ops which are not selected
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- skip over ops with ratio 0
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## UX Improvements
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- secure field indirection, username, userfile, password, passfile,
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- op templates can pull from activity params for some fields
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- All yaml can be in mapping form (everything is named)
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- All elements in a yaml can have a description field
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- Uniform Workload Format
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- Uniform Error Handling
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- Uniform Driver API
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- this means:
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- standard core activity params across all drivers, like 'retry'
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- standard metrics across all drivers
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- standard error handler support
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- standard op meta-behaviors, like start-timers and stop-timers across all drivers
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- interoperable data between drivers
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- standard diagnostic tools across all drivers
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* Named Scenario subsections
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- `nb5 namedscenario.yaml`
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- `nb5 namedscenario.yaml default.schema`
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- `nb5 namedscenario.yaml [<name>]`
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- `nb5 namedscenario.yaml <scenarioname>.<stepname>`
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* Multiple named scenarios can be chained on the command line, just like any command:
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- `nb5 workloadfile scenario scenario2 scenario3.step1`
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- Uniform Workload format
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* In-Line Bindings
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- `{bindingname}`
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- `{{NumberNameToString()}}`
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- anything can be an op template, even a command line option
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- `nb5 run driver=cql op="select * from baselines.keyvalue where foo='{{ToString()}} limit 10"`
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* type-safe parameters
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- extraneous parameters are verboten
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- parameter types are adapted as needed or an error is thrown
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- auto-suggested alternatives based on Levenshtein distance
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* improved progress meter
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- fine-grained
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- based on actual op metrics in real time instead of internal batching state
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* open-ended binding structures now support multi-layer scaffolding of generated values with a
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mix of static and dynamic values. This means you can write templates for JSON which look like
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the payload you want to send.
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* supports all combinations of lists and maps and strings, with interspersed dynamic values
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for individual elements or as collection generators, with literals, templated strings, or
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direct binding references, and in-line bindings recipes.
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* argsfile allows defaults to be set programmatically or on the command line.
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* tag filtering conjugates
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* auto-injected statement block and statement name tags.
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- this means: You can now construct filters for specific blocks or statements simply by
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knowing their name:
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- `tags=block:schema` or `tags='main-.*'`
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* safe usage of activity params and template vars are compatible, but may not be ambiguous. This
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means that if you have a template variable in myworkload.yaml, it must be distinctly named
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from any valid activity parameters, or an error is thrown. This eliminates a confusing source
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of ambiguity.
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* ANSI color support in some places
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* template vars can set defaults the first time they are seen
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### Scripting
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- scenario.stop(...) now allows regexes for activity aliases
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## Core machinery & API Improvements
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- dynamic lib loading via jars
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- startup logging now captures basic system hardware details and NB version, to assist in
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troubleshooting
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- redesigned developer API around op template, op mapper, op dispenser, and parsed op types.
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- This means:
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- ParsedOp - op template -> op mapping -> op dispensing follows an incremental path of
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construction, allowing functional programming methods to be used *only* when needed.
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- This means that you only pay for what you use or change. Op builder methods are only
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added to the construction logic when you need to digress from the defaults.
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* simpler and more powerful API for driver developers
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- consolidated logic into core machinery
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- thin out and focus the driver APIs
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- pick concepts and API terms which are very responsibility focused
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- Op Mapper
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- Op Dispenser
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- ParsedOp (mapping from op templates to native driver calls)
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* support for op generators, or ops that inject other ops into the activity. (LWT
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statement retry, client-side join, etc)
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* Type-And-Target op template convention which represents special op types and their primary
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payload template as a key and value.
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- drivers are specified per-op. (The activity param just sets the default)
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- native driver contexts, known as a driver `space` allows for instancing native drivers in a data-driven way
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## Driver Improvements
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* modular diag driver
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* cqld4 driver
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* all statement forms are supported
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* allows file or parameter-based configuration
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* some backward support for classic nb cql driver options
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* op templates can support any valid statement builder option
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## Bundled Applications
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Bundled apps have been part of NoSQLBench for some time, but these were mostly used for
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behind-the-scenes work, like generating docs for binding functions. Now, these apps are
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discoverable and usable by anybody who runs the `--list-apps` command.
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These fall into roughly two categories: 1) NB utilities which can be used to slice and dice
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test data and 2) driver-specific utilites which are useful when testing or analyzing a specific
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type of system.
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- `--list-apps`
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- `nb5 <appname> -h`
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- `nb5 <appname> ...`
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### cqlgen
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cqlgen - takes schema.cql tablestats -> workload.yaml
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- obfuscation
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- weighting by op ratios from tablestats
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- point to docs ->
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sstablegen
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* yaml+nb version checks
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- `min_version: "4.17.15"`
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* Mac M1 support
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- as of 08/15, all Mac M1 systems should be supported for the.jar and the docker image
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review:
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- 7578e91d773a9ea8113250899ef46b7aacf95e70
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- 392bbcc5954019ae58956850c980646cef14a1f7
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- b6627943e2aed2a80ba1aa13d0a929c1ed04b685
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- 394580d66c107127cc68f88cdc64a59e9c481d43
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- 0330c18a7ba0904b3b3420b94416b04ee73dd7fb
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- 11dd8f62daf3d1603b75cdd85fbb872dbfaac111
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