Changelog

Cloud Storage connector:

1. Improve build configuration (pom.xmls) compatibility with Maven release plugin.

   Changes version string from 1.9.5-hadoop2 to hadoop2-1.9.5.

2. Update Maven plugins versions.

3. Do not send batch request when performing operations (rename, delete, copy) on 1 object.

4. Add fs.gs.performance.cache.dir.metadata.prefetch.limit (default=1000) configuration property to control number of prefetched metadata objects in the same directory by PerformanceCachingGoogleCloudStorage.

   To disable metadata prefetching set property value to 0.

   To prefetch all objects metadata in a directory set property value to -1.

5. Add configuration properties to control batching of copy operations separately from other operations:

   fs.gs.copy.max.requests.per.batch (default: 30)
   fs.gs.copy.batch.threads (default: 0)
   

6. Fix RejectedExecutionException during parallel execution of GCS batch requests.

7. Change default values for GCS batch/directory operations properties:

   fs.gs.copy.with.rewrite.enable (default: false -> true)
   fs.gs.copy.max.requests.per.batch (default: 30 -> 1)
   fs.gs.copy.batch.threads (default: 0 -> 50)
   fs.gs.max.requests.per.batch (default: 30 -> 25)
   fs.gs.batch.threads (default: 0 -> 25)
   

BigQuery connector:

1. POM updates for GCS connector 1.9.5.

2. Improve build configuration (pom.xmls) compatibility with Maven release plugin.

   Changes version string from 0.13.5-hadoop2 to hadoop2-0.13.5.

3. Update Maven plugins versions.