Lampros Smyrnaios 6226e2298d - Upgrade the results-loading process: Instead of making thousands of sql-insert requests to Impala now we write the results to parquet files, upload them to HDFS and then import the data into the Impala tables with just 2 requests. This results in a huge performance improvement. ... One side effect of using the parquet-files, is that the timestamps are now BIGDECIMAL numbers, instead of "Timestamp" objects, but, converting them to such objects is pretty easy, if we ever need to do it. - Code polishing.		2022-11-10 17:18:21 +02:00
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Assignment.java	Improve performance in the "getUrls"-endpoint, and more:	2021-11-30 19:59:46 +02:00
Attempt.java	- Upgrade the results-loading process: Instead of making thousands of sql-insert requests to Impala now we write the results to parquet files, upload them to HDFS and then import the data into the Impala tables with just 2 requests. This results in a huge performance improvement.	2022-11-10 17:18:21 +02:00
Datasource.java	Add the "Datasource" inside the "Task" class and include it in the Assignment.	2021-05-20 02:50:50 +03:00
Error.java	- Process the Error of PDF-aggregation. Distinguish between "couldRetry" and "noRetry" cases.	2021-08-05 15:43:37 +03:00
Payload.java	- Fix a "@JsonProperty" annotation inside "Payload.java".	2022-04-05 00:01:44 +03:00
Task.java	Add the "Datasource" inside the "Task" class and include it in the Assignment.	2021-05-20 02:50:50 +03:00
UrlReport.java	- Add the "isControllerAlive"-endpoint.	2021-09-23 15:08:52 +03:00