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https://github.com/ivuorinen/cheatsheet-tldr.git
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Update cheatsheets
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26
tldr/arthas
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26
tldr/arthas
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---
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syntax: markdown
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tags: [tldr, common]
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source: https://github.com/tldr-pages/tldr.git
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---
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# arthas
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> Java diagnostic tool.
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> See also: `arthas-watch`, `arthas-trace`.
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> More information: <https://arthas.aliyun.com/en/>.
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- Start Arthas:
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`java -jar {{path/to/arthas-boot.jar}}`
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- Reconnect Arthas (default port used by Arthas is 3658):
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`telnet localhost {{port_number}}`
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- Exit the current Arthas client without affecting other clients. equals `exit`、`logout`、`q` command:
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`exit|quit|logout|q`
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- Terminate the Arthas server, all the Arthas clients connecting to this server will be disconnected:
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`stop`
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tldr/arthas-trace
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tldr/arthas-trace
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---
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syntax: markdown
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tags: [tldr, common]
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source: https://github.com/tldr-pages/tldr.git
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---
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# arthas-trace
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> Trace method invoke chain, and output the time cost for each node in the path.
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> See also: `arthas`, `arthas-watch`.
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> More information: <https://arthas.aliyun.com/en/doc/trace.html>.
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- Trace method invoke chain:
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`trace {{class-pattern}} {{method-pattern}}`
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- Trace method invoke chains and only display invoke information longer than 10 ms:
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`trace {{class-pattern}} {{method-pattern}} '#cost > {{10}}'`
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- Trace the invoke chain of multiple classes or multiple methods:
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`trace -E {{class-pattern1|class-patter2}} {{method-pattern1|method-pattern2|method-pattern3}}`
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- Track method invoke chains, only display invoke information that exceeds 10 ms, and exit after 5 times:
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`trace {{class-pattern}} {{method-pattern}} '#cost > {{10}}' -n 5`
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tldr/arthas-watch
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22
tldr/arthas-watch
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---
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syntax: markdown
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tags: [tldr, common]
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source: https://github.com/tldr-pages/tldr.git
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---
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# arthas-watch
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> Method invoke data observation.
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> See also: `arthas`, `arthas-trace`.
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> More information: <https://arthas.aliyun.com/en/doc/watch.html>.
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- Observe the first parameter and return value of method, and expand the nested attributes of the object to 4 levels:
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`watch {{class-pattern}} {{method-pattern}} {{'{ params[0],returnObj }'}} -x 4`
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- When the value of the first parameter of the method is 5, the second parameter and return value are output, and the object is expanded 4 layers:
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`watch {{class-pattern}} {{method-pattern}} {{'{ params[1],returnObj }'}} {{'"5".equals(params[0])'}} -x 4`
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- When the method returns or an exception occurs, observe the count property of the second parameter:
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`watch {{class-pattern}} {{method-pattern}} {{'{ params[1].count }'}} -e -s`
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@@ -7,7 +7,7 @@ source: https://github.com/tldr-pages/tldr.git
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> Define infrastructure on any cloud using familiar programming languages.
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> Some subcommands such as `up` have their own usage documentation.
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> More information: <https://www.pulumi.com/docs/cli>.
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> More information: <https://www.pulumi.com/docs/iac/cli/>.
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- Create a new project using a template:
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@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
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# pulumi destroy
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> Destroy all existing resources in a stack.
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> More information: <https://www.pulumi.com/docs/cli/commands/pulumi_destroy/>.
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> More information: <https://www.pulumi.com/docs/iac/cli/commands/pulumi_destroy/>.
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- Destroy all resources in the current stack:
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@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
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# pulumi login
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> Log in to the Pulumi cloud.
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> More information: <https://www.pulumi.com/docs/cli/commands/pulumi_login/>.
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> More information: <https://www.pulumi.com/docs/iac/cli/commands/pulumi_login/>.
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- Log in to the managed Pulumi Cloud backend, defaults to `app.pulumi.cloud`:
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@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
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# pulumi logout
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> Log out of the Pulumi cloud.
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> More information: <https://www.pulumi.com/docs/cli/commands/pulumi_logout/>.
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> More information: <https://www.pulumi.com/docs/iac/cli/commands/pulumi_logout/>.
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- Log out of a specific cloud backend:
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@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
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# pulumi up
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> Create or update the resources in a stack.
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> More information: <https://www.pulumi.com/docs/cli/commands/pulumi_up/>.
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> More information: <https://www.pulumi.com/docs/iac/cli/commands/pulumi_up/>.
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- Preview and deploy changes to a program and/or infrastructure:
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