feat: add cache for location in stream writer, and trigger that when location is not presented #1804
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prerequisite for multiplexing client
new stream name as a switch of destinationt
also fixed a tiny bug inside fake bigquery write impl for getting thre response from offset
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| private static Pattern streamPattern = Pattern.compile(datasetsMatching); | ||
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| // Cache of location info for a given dataset. | ||
| private static Map<String, String> projectAndDatasetToLocation = new ConcurrentHashMap<>(); |
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Should we have a size limit of this cache? And also probably an expiration time. I am not sure how often is this but the user can delete a dataset and recreate one in different region?
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Let's just add a size limit for now and add expiration later.
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I didn't add a size limit because it's plain string, seems not possible to exceed limit. We can cache millions of entries without problem I think and it's kinda hard to imagine we need to cache that many..
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Sure fine, let's first go with this. I am a bit worry about dataset recreate case but that should be a corner case. Let's get going.
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🤖 I have created a release *beep* *boop* --- ## [2.22.0](https://togithub.com/googleapis/java-bigquerystorage/compare/v2.21.0...v2.22.0) (2022-09-29) ### Features * Add a new specific exception about json data has unknown field ([#1792](https://togithub.com/googleapis/java-bigquerystorage/issues/1792)) ([18f93c1](https://togithub.com/googleapis/java-bigquerystorage/commit/18f93c124334464a951b3d3065bdf11bbda13dac)) * Add cache for location in stream writer, and trigger that when location is not presented ([#1804](https://togithub.com/googleapis/java-bigquerystorage/issues/1804)) ([c24c14f](https://togithub.com/googleapis/java-bigquerystorage/commit/c24c14f14b1a6f8249f55630d51e3cadd500c1ad)) * Add close() to multiplexing client ([#1788](https://togithub.com/googleapis/java-bigquerystorage/issues/1788)) ([6b3a974](https://togithub.com/googleapis/java-bigquerystorage/commit/6b3a97491bf718333ae7c085f9b10723d8b24388)) * Add fully managed schema support on json writer ([#1794](https://togithub.com/googleapis/java-bigquerystorage/issues/1794)) ([b6b515f](https://togithub.com/googleapis/java-bigquerystorage/commit/b6b515f57a0f6956c9d9f902a5e3e16edc845a48)) * Add more retry error code to the sample ([#1805](https://togithub.com/googleapis/java-bigquerystorage/issues/1805)) ([4bf67bc](https://togithub.com/googleapis/java-bigquerystorage/commit/4bf67bcf0de2d370f0b04d8df236d30466b91598)) * Add multiplexing client core algorithm and basic testing, plus fix a tiny bug in fake server ([#1787](https://togithub.com/googleapis/java-bigquerystorage/issues/1787)) ([1bb8e26](https://togithub.com/googleapis/java-bigquerystorage/commit/1bb8e262941f570d7f2de60123ec5a6a0cf43600)) * Add multiplexing support to connection worker. ([#1784](https://togithub.com/googleapis/java-bigquerystorage/issues/1784)) ([a869a1d](https://togithub.com/googleapis/java-bigquerystorage/commit/a869a1d8baba3cc0f6046d661c6f52ec12a3f12d)) * Add support for flexible column name in JsonStreamWriter ([#1786](https://togithub.com/googleapis/java-bigquerystorage/issues/1786)) ([694abbb](https://togithub.com/googleapis/java-bigquerystorage/commit/694abbb43bf2970cd81803521c349dc31a38f484)) * Add two fine logs that would allow Datastream to look into the stuck issue ([#1791](https://togithub.com/googleapis/java-bigquerystorage/issues/1791)) ([745ceb4](https://togithub.com/googleapis/java-bigquerystorage/commit/745ceb46dec5922efe394773028532dcd84a4f9b)) * Always pass a null bigquery client lib to StreamWriter ([#1795](https://togithub.com/googleapis/java-bigquerystorage/issues/1795)) ([eec50c1](https://togithub.com/googleapis/java-bigquerystorage/commit/eec50c14e1dff84ae9a3e70f9d08d27b9e225e55)) * Bug fix for checking write_stream field but proto might not contain the field to unblock the release ([#1806](https://togithub.com/googleapis/java-bigquerystorage/issues/1806)) ([9791d69](https://togithub.com/googleapis/java-bigquerystorage/commit/9791d693c75367bec6451ebf65ae4ea3347bf50f)) * Client unknown fields drives writer refreshment ([#1797](https://togithub.com/googleapis/java-bigquerystorage/issues/1797)) ([d8aaed5](https://togithub.com/googleapis/java-bigquerystorage/commit/d8aaed522b9de487539165ea662465e5a96222f1)) * ExecutorProvider can now be replaced ([#1770](https://togithub.com/googleapis/java-bigquerystorage/issues/1770)) ([6380f71](https://togithub.com/googleapis/java-bigquerystorage/commit/6380f713b8f42fa3a58df2750ea2cf3b7397d29c)), closes [#1769](https://togithub.com/googleapis/java-bigquerystorage/issues/1769) * Fix some todos and reject stream writer if it's created with mixed behavior of passed in client or not ([#1803](https://togithub.com/googleapis/java-bigquerystorage/issues/1803)) ([1a69192](https://togithub.com/googleapis/java-bigquerystorage/commit/1a69192e2ffc6475a7e4b67c5a452f1c0e8aaddc)) * Minor tune after offline testing ([#1807](https://togithub.com/googleapis/java-bigquerystorage/issues/1807)) ([694a870](https://togithub.com/googleapis/java-bigquerystorage/commit/694a870bac623ef038168a4358b9d73972077edb)) * Populate location info if we already called GetWriteStream ([#1802](https://togithub.com/googleapis/java-bigquerystorage/issues/1802)) ([5f43103](https://togithub.com/googleapis/java-bigquerystorage/commit/5f4310321e7f90385f7ef5c32e3e5395f719d0ca)) * Some fixes for multiplexing client ([#1798](https://togithub.com/googleapis/java-bigquerystorage/issues/1798)) ([b3ffd77](https://togithub.com/googleapis/java-bigquerystorage/commit/b3ffd77e4b86708f241ba517c55bb3508964bc0e)) * Wire connection pool to stream writer without implementing updated schema ([#1790](https://togithub.com/googleapis/java-bigquerystorage/issues/1790)) ([3eb1475](https://togithub.com/googleapis/java-bigquerystorage/commit/3eb147545db2415e5a68752b8ede1c4d342d1a84)) --- This PR was generated with [Release Please](https://togithub.com/googleapis/release-please). See [documentation](https://togithub.com/googleapis/release-please#release-please).
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