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Ryan McGuire edited comment on CASSANDRA-7519 at 9/7/14 6:26 PM: ----------------------------------------------------------------- I'm getting compilation errors from this on cassandra-2.1 HEAD (was it merged before it was ready? I still see this ticket as 'patch available'): {code} stress-build: [mkdir] Created dir: /home/ryan/git/datastax/cassandra/build/classes/stress [javac] Compiling 102 source files to /home/ryan/git/datastax/cassandra/build/classes/stress [javac] /home/ryan/git/datastax/cassandra/tools/stress/src/org/apache/cassandra/stress/settings/SettingsCommandPreDefinedMixed.java:60: error: constructor SampledOpDistributionFactory in class SampledOpDistributionFactory<T> cannot be applied to given types; [javac] return new SampledOpDistributionFactory<Command>(ratios, clustering) [javac] ^ [javac] required: List<Pair<Command,Double>>,DistributionFactory [javac] found: Map<Command,Double>,DistributionFactory [javac] reason: actual argument Map<Command,Double> cannot be converted to List<Pair<Command,Double>> by method invocation conversion [javac] where T is a type-variable: [javac] T extends Object declared in class SampledOpDistributionFactory [javac] /home/ryan/git/datastax/cassandra/tools/stress/src/org/apache/cassandra/stress/settings/SettingsCommandPreDefinedMixed.java:61: error: constructor SampledOpDistributionFactory in class SampledOpDistributionFactory<T> cannot be applied to given types; [javac] { [javac] ^ [javac] required: List<Pair<Command,Double>>,DistributionFactory [javac] found: no arguments [javac] reason: actual and formal argument lists differ in length [javac] where T is a type-variable: [javac] T extends Object declared in class SampledOpDistributionFactory [javac] /home/ryan/git/datastax/cassandra/tools/stress/src/org/apache/cassandra/stress/settings/SettingsCommandUser.java:67: error: constructor SampledOpDistributionFactory in class SampledOpDistributionFactory<T> cannot be applied to given types; [javac] return new SampledOpDistributionFactory<String>(ratios, clustering) [javac] ^ [javac] required: List<Pair<String,Double>>,DistributionFactory [javac] found: Map<String,Double>,DistributionFactory [javac] reason: actual argument Map<String,Double> cannot be converted to List<Pair<String,Double>> by method invocation conversion [javac] where T is a type-variable: [javac] T extends Object declared in class SampledOpDistributionFactory [javac] /home/ryan/git/datastax/cassandra/tools/stress/src/org/apache/cassandra/stress/settings/SettingsCommandUser.java:68: error: constructor SampledOpDistributionFactory in class SampledOpDistributionFactory<T> cannot be applied to given types; [javac] { [javac] ^ [javac] required: List<Pair<String,Double>>,DistributionFactory [javac] found: no arguments [javac] reason: actual and formal argument lists differ in length [javac] where T is a type-variable: [javac] T extends Object declared in class SampledOpDistributionFactory [javac] Note: Some input files use or override a deprecated API. [javac] Note: Recompile with -Xlint:deprecation for details. [javac] Note: Some input files use unchecked or unsafe operations. [javac] Note: Recompile with -Xlint:unchecked for details. [javac] 4 errors BUILD FAILED /home/ryan/git/datastax/cassandra/build.xml:735: Compile failed; see the compiler error output for details. {code} was (Author: enigmacurry): I'm getting compilation errors from this on cassandra-2.1 HEAD: {code} stress-build: [mkdir] Created dir: /home/ryan/git/datastax/cassandra/build/classes/stress [javac] Compiling 102 source files to /home/ryan/git/datastax/cassandra/build/classes/stress [javac] /home/ryan/git/datastax/cassandra/tools/stress/src/org/apache/cassandra/stress/settings/SettingsCommandPreDefinedMixed.java:60: error: constructor SampledOpDistributionFactory in class SampledOpDistributionFactory<T> cannot be applied to given types; [javac] return new SampledOpDistributionFactory<Command>(ratios, clustering) [javac] ^ [javac] required: List<Pair<Command,Double>>,DistributionFactory [javac] found: Map<Command,Double>,DistributionFactory [javac] reason: actual argument Map<Command,Double> cannot be converted to List<Pair<Command,Double>> by method invocation conversion [javac] where T is a type-variable: [javac] T extends Object declared in class SampledOpDistributionFactory [javac] /home/ryan/git/datastax/cassandra/tools/stress/src/org/apache/cassandra/stress/settings/SettingsCommandPreDefinedMixed.java:61: error: constructor SampledOpDistributionFactory in class SampledOpDistributionFactory<T> cannot be applied to given types; [javac] { [javac] ^ [javac] required: List<Pair<Command,Double>>,DistributionFactory [javac] found: no arguments [javac] reason: actual and formal argument lists differ in length [javac] where T is a type-variable: [javac] T extends Object declared in class SampledOpDistributionFactory [javac] /home/ryan/git/datastax/cassandra/tools/stress/src/org/apache/cassandra/stress/settings/SettingsCommandUser.java:67: error: constructor SampledOpDistributionFactory in class SampledOpDistributionFactory<T> cannot be applied to given types; [javac] return new SampledOpDistributionFactory<String>(ratios, clustering) [javac] ^ [javac] required: List<Pair<String,Double>>,DistributionFactory [javac] found: Map<String,Double>,DistributionFactory [javac] reason: actual argument Map<String,Double> cannot be converted to List<Pair<String,Double>> by method invocation conversion [javac] where T is a type-variable: [javac] T extends Object declared in class SampledOpDistributionFactory [javac] /home/ryan/git/datastax/cassandra/tools/stress/src/org/apache/cassandra/stress/settings/SettingsCommandUser.java:68: error: constructor SampledOpDistributionFactory in class SampledOpDistributionFactory<T> cannot be applied to given types; [javac] { [javac] ^ [javac] required: List<Pair<String,Double>>,DistributionFactory [javac] found: no arguments [javac] reason: actual and formal argument lists differ in length [javac] where T is a type-variable: [javac] T extends Object declared in class SampledOpDistributionFactory [javac] Note: Some input files use or override a deprecated API. [javac] Note: Recompile with -Xlint:deprecation for details. [javac] Note: Some input files use unchecked or unsafe operations. [javac] Note: Recompile with -Xlint:unchecked for details. [javac] 4 errors BUILD FAILED /home/ryan/git/datastax/cassandra/build.xml:735: Compile failed; see the compiler error output for details. {code} > Further stress improvements to generate more realistic workloads > ---------------------------------------------------------------- > > Key: CASSANDRA-7519 > URL: https://issues.apache.org/jira/browse/CASSANDRA-7519 > Project: Cassandra > Issue Type: Improvement > Components: Tools > Reporter: Benedict > Assignee: Benedict > Priority: Minor > Labels: tools > Fix For: 2.1.1 > > > We generally believe that the most common workload is for reads to > exponentially prefer most recently written data. However as stress currently > behaves we have two id generation modes: sequential and random (although > random can be distributed). I propose introducing a new mode which is > somewhat like sequential, except we essentially 'look back' from the current > id by some amount defined by a distribution. I may possibly make the position > only increment as it's first written to also, so that this mode can be run > from a clean slate with a mixed workload. This should allow is to generate > workloads that are more representative. > At the same time, I will introduce a timestamp value generator for primary > key columns that is strictly ascending, i.e. has some random component but is > based off of the actual system time (or some shared monotonically increasing > state) so that we can again generate a more realistic workload. This may be > challenging to tie in with the new procedurally generated partitions, but I'm > sure it can be done without too much difficulty. -- This message was sent by Atlassian JIRA (v6.3.4#6332)