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fix typo in readme

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1 parent b66750e commit 15c198ae72f789c32ed046274abf59d920e5c332 Mark Lucovsky committed Jan 4, 2013
Showing with 6 additions and 3 deletions.
  1. +6 −3 README.md
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9 README.md
@@ -14,9 +14,12 @@ Installing/running Stac2 on your Cloud Foundry instance requires a small amount
* from the stac2 repo root, where the manifest.yml file is run vmc push (note, you must have vmc 0.4.7 or higher, cfoundry 0.4.10 or higher, and manifests-vmc-plugin 0.4.17 or higher for the push to succeed)
* note: the manifest is identical between v2 and v1 systems, v2 properties are transformed into v1 properties or ignored, depending on the property.
* based on the size of your cloud and desired concurrency you will need to adjust the instance counts of nabv, nabh, and nf
- * nabv should be sized to closely match the concurrency setting in your cloud config. It should be a little over half your desired concurrecny.
- for a large production cloud with a cmax of 192 set the instance count of nabv to ~100 (vmc scale nabv --instances 100)
- * nabh should be between 16 and 32, depending on how hot of an http load you plan to run, at 32 you can easily overwhelm a small router pool with so a rule of thumb would be to start with 16 for must mid-sized (100+ dea clouds), 32 for 250+ dea clouds, and4-8 for very small clouds
+ * nabv should be sized to closely match the concurrency setting in your cloud config. It should be a little over half your desired concurrency.
+ for a large production cloud with a cmax of 192 set the instance count of nabv to ~100 (vmc scale nabv --instances 100).
+ Note: be careful with cmax. Setting this to 32 or more requires a pretty beefy CF instance with multiple cloud controllers
+ and several DEAs. If you have a very small/toy-class CF instance make sure you don't overdo it.
+ * nabh should be between 16 and 32, depending on how hot of an http load you plan to run, at 32 you can easily overwhelm a small router pool with so a
+ rule of thumb would be to start with 16 for most mid-sized (100+ dea clouds), 32 for 250+ dea clouds, and 4-8 for very small clouds
* nf should be set large IFF you plan on running the high thru-put xnf_ loads. Tun run 30,000 http requests per second run between 75 and 100 instances of nf
* stac2 is a single instance app so leave it at 1

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