Added documentation for SysVCacheItemPool #995
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dwsupplee
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README.md
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| @@ -1005,6 +1005,21 @@ $storage = new StorageClient([ | |||
| ]); | |||
| ``` | |||
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| The [Google Auth library](https://github.com/google/google-auth-library-php) provides a PSR-6 implementation with the SystemV shared memory. This implementation is only available on *nix machines, but it's the one of the fastest implementations and you can share the cache among multiple processes. The following example shows how to use it. | |||
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Spanner/README.md
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| $sessionPool = new CacheSessionPool( | ||
| $sessionCache, | ||
| ['minSession' => 10, |
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Spanner/README.md
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| ## Session warmup | ||
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| To issue a query against the Spanner service, the client library needs to request a session id to the server under the cover. This API call will add significant latency to your program. The Spanner client library provides a handy way to alleviate this problem by having a cached session pool. |
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Spanner/README.md
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| $authCache = new SysVCacheItemPool(); | ||
| $sessionCache = new SysVCacheItemPool([ | ||
| 'proj' => 'B' // Use different from the default |
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Spanner/README.md
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| ); | ||
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| $database = $client->connect( | ||
| $instance, |
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Spanner/README.md
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| $db, | ||
| ['sessionPool' => $sessionPool] | ||
| ); | ||
| // `warmup` will actually create the session for the first time. |
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Additionally, we could now update this verbiage. |
dwsupplee
approved these changes
Apr 6, 2018
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See #989
Preview available on:
https://github.com/tmatsuo/google-cloud-php/tree/docs-for-989
https://github.com/tmatsuo/google-cloud-php/tree/docs-for-989/Spanner
https://github.com/tmatsuo/google-cloud-php/blob/docs-for-989/Spanner/src/Session/CacheSessionPool.php