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UrlsController
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76 Commits

Author SHA1 Message Date
Lampros Smyrnaios ede7ca5a89 - Add bulk-import support for non-Authoritative data-sources. 
- Update Spring Boot.
- Code polishing.
 2023-09-26 18:02:48 +03:00
Lampros Smyrnaios 0f5d4dac78 Check and show warning/error message for failed payloads. 2023-09-20 17:38:22 +03:00
Lampros Smyrnaios 903c3e1ffc Add thread-safety when reading the bulkImportReport-files. 2023-09-15 11:54:32 +03:00
Lampros Smyrnaios 360731ba72 - Improve handling of the "NO_CONTENT" case, in "getAssignments"-endpoint. 
- Code optimization and polishing.
 2023-09-14 13:53:01 +03:00
Lampros Smyrnaios ee2df19ce1 - Allow "pretty-printing" the json response of the "getBulkImportReport" endpoint. 
- Add useful log-messages for various bulk-import stages and improve the current ones.
- Optimize reading and writing the reports.
 2023-09-11 17:24:39 +03:00
Lampros Smyrnaios 1c8f3765ca - Fix not acquiring the full workerReport when retrying it, with the scheduler. 
- Improve error-handling in the "inspectWorkerReportsAndTakeAction" process.
- Code polishing.
 2023-09-08 14:59:48 +03:00
Lampros Smyrnaios 4014d1eabb Code polishing. 2023-09-05 15:20:03 +03:00
Lampros Smyrnaios 98516498eb - Increase app's version. 
- Code polishing.
 2023-09-04 12:46:55 +03:00
Lampros Smyrnaios febe2b212c Upgrade management of failed workerReports: 
- Upon completing processing a workerReport, the name of the json-file will be appended with "successful" or "failed".
- Avoid deleting immediately the failed workerReports.
- Add a scheduling task to process leftover failed workerReports from previous executions of the service, only once, 12 hours after startup, in order for the workers to have participated and filled the "workersInfoMap".
- Add a scheduling task to process leftover failed workerReports from the current execution, regularly.
- Fix not iterating through the workers' subDirs when checking the last-access-time of workerReports.
- Fix not deleting the assignment records from the DB, when a failed leftover workerReport gets deleted.
- Code refactoring.
 2023-09-01 15:10:58 +03:00
Lampros Smyrnaios 601776e81c - Fix not handling for the case where the info about the worker in the WorkerReport, does not exist inside the "workersInfoMap", as that worker is not participating in the Service. (this case may appear in future code) 
- Code polishing.
 2023-08-30 17:07:51 +03:00
Lampros Smyrnaios aa3f32f3da - Make sure the given number of threads, given by the user is above zero. 
- Adjust the number and size of log files.
- Update Spring Boot.
- Code polishing.
 2023-08-30 14:02:54 +03:00
Lampros Smyrnaios 44459c8681 - Rename "ImpalaConnector.java" to "DatabaseConnector.java". 
- Update dependencies.
- Code polishing.
 2023-08-23 16:55:23 +03:00
Lampros Smyrnaios fd1cf56863 - Avoid passing some duplicate publications to the Workers, by post-processing the assignments retrieved from Impala. The assignments may contain duplicate id-url pairs, which have different datasources, since one publication may be connected to multiple datasources. 
- Code polishing.
 2023-07-19 18:31:24 +03:00
Lampros Smyrnaios 8dfb58ee63 Avoid assigning the same publications multiple times to the Workers, after the recent "parallelization enchantment". 
After that enchantment, each worker could request multiple assignment-batches, before its previous batches were processed by the Controller. This means that for each batch that was processed, the Controller was deleting from the "assignment" table, all the assignments (-batches) delivered to the Worker that brought that batch, even though the "attempt" and "payload" records for the rest of the batches were not inserted in the DB yet. So in a new assignments-batch request, the same publications that were already under processing, were delivered to the same or other Workers.
Now, for each finished batch, only the assignments of that batch are deleted from the "assignment" table.
 2023-07-11 17:27:23 +03:00
Lampros Smyrnaios 2d5643cb0a Fix missing spaces in some secondary "DROP"-queries. 2023-07-07 20:51:14 +03:00
Lampros Smyrnaios e8644cb64f - Optimize the "insertAssignmentsQuery". 
- Add documentation about the Prometheus Metrics, in README.
- Update Dependencies.
- Code polishing.
 2023-07-05 17:10:30 +03:00
Lampros Smyrnaios 798fa09d68 - Identify and handle a possible Worker-crash, in "UrlsServiceImpl.postReportResultToWorker()". 
- Add/Improve some log messages.
- Update and cleanup dependencies.
- Code polishing.
 2023-06-15 23:19:36 +03:00
Lampros Smyrnaios c37f157f51 Split the full-texts-batch's main handling-code to two separate methods, which can be used in parallel by two threads, in the future. 2023-06-14 17:16:38 +03:00
Lampros Smyrnaios 0b1ab5b991 Attempt to recover from serious failures, by individualizing the error-handling for each of the "table-merging" queries. 2023-06-10 02:28:02 +03:00
Lampros Smyrnaios cd1fb0af88 - Process the WorkerReports in background Jobs and post the reportResults to the Workers. 
- Save the workerReports to json files, until they are processed successfully.
- Show some custom metrics in prometheus.
 2023-05-24 13:52:28 +03:00
Lampros Smyrnaios 0ab6bae93a - Optimize the json-conversion of the "BulkImportReport". 
- Code polishing.
 2023-05-18 17:30:40 +03:00
Lampros Smyrnaios 9412391903 - In test-environment mode, check for already existing file-hashes only in the "payload_aggregated" table, instead of the whole "payload" view. This way the investigation for false-positive docUrls is easier, as we avoid checking against the millions of "legacy" payloads. 
- Improve performance in production, by not creating the string objects for "trace"-logs.
 2023-05-15 12:44:16 +03:00
Lampros Smyrnaios 992d4ffd5e - Add the time-zone in the logs. 
- Change some log-levels to "trace", although most of them are still disabled.
 2023-05-11 03:10:53 +03:00
Lampros Smyrnaios b6e8cd1889 New feature: BulkImport full-text files from compatible datasources. 2023-05-11 03:07:55 +03:00
Lampros Smyrnaios fd15372fd6 Add error-checks for retrieving the status-code from HttpUrlConnections. 2023-05-03 13:30:29 +03:00
Lampros Smyrnaios 55ea5118ac - Update the "testDatabaseName" property. 
- Code polishing.
 2023-04-26 19:33:28 +03:00
Lampros Smyrnaios 484cf5cefc - Avoid requesting the remaining full-text batches in case the Worker returns a 5XX error in one of the batches. 
- Add nullability-checks for "datasourceId" and "hash" before constructing the new filename and upload the full-text on S3.
- Improve a log-message.
 2023-03-29 17:12:37 +03:00
Lampros Smyrnaios 4280f89296 - Set the default value of the "isTestEnvironment" property to "true", in order to avoid undesired outcomes in the production db. 
- Code polishing.
 2023-03-21 17:04:28 +02:00
Lampros Smyrnaios 17a6c120dd Improve logs for full-texts' metrics. 2023-03-14 20:57:01 +02:00
Lampros Smyrnaios 38643c76a3 - Code polishing. 
- Update Gradle.
 2023-03-07 16:55:41 +02:00
Lampros Smyrnaios 7b217764e0 Improve performance when downloading and decompressing the full-texts archive. 2023-03-02 17:44:53 +02:00
Lampros Smyrnaios c8485d472e Code polishing. 2023-02-24 13:53:09 +02:00
Lampros Smyrnaios b7f6056032 - Improve an error-message. 
- Update Gradle.
 2023-02-21 15:42:07 +02:00
Lampros Smyrnaios a1c16ffc19 - Exclude empty and null urls in the assignments. 
- Update the "getFullTextsImproved"-call to "getFullTexts", now that the "improved" version is stable.
- Update Gradle.
- Code polishing.
 2023-02-16 14:24:47 +02:00
Lampros Smyrnaios dc8f0f2bd1 - Heavily reduce the maximum amount of space needed, by deleting the files of each full-texts batch, right after they are uploaded to the S3 Object Store. 
- Add a check for when the retrieved full-texts-batch is missing some requested files and show a warn-log.
- Update dependencies.
 2023-01-23 20:23:21 +02:00
Lampros Smyrnaios 8876089022 - Use Facebook's [**Zstandard**](https://facebook.github.io/zstd/) compression algorithm, which brings very big benefits on compression rate and speed. 
- Update the minIO dependency.
- Code polishing.
 2023-01-10 13:34:54 +02:00
Lampros Smyrnaios d1a4c84289 - Make sure the fullPath of the baseFilesLocation is available when the user specifies a non-root directory. 
- Improve error-checking and exception-handling in some "S3ObjectStore"-methods.
- Make sure the "responseCode" is "200-OK", before trying to get the InputStream in "UriBuilder.getPublicIP()".
 2023-01-09 15:44:53 +02:00
Lampros Smyrnaios 4528d1f9be - Fix the "baseFilesLocation" being null (there was no serious problem, but multiple directories were spawned in the project's directory). 
- Make sure the given "baseFilesLocation" ends with a file-separator, before using it.
- Optimize the process of unzipping-files.
 2022-12-20 18:38:11 +02:00
Lampros Smyrnaios e11afe5ab2 Improve performance of the hash-checking algorithm by using multithreading. 2022-12-15 18:34:28 +02:00
Lampros Smyrnaios 9cdbbdea67 Refactor the files' storage location. 2022-12-15 18:29:51 +02:00
Lampros Smyrnaios bfdf06bd09 - Apply error-checking on individual CallableTasks and in tasks-batches related to the creation and upload of all the data related to the "attempt" and "payload" table. So, if no data could be uploaded for one or both tables, no "load"-queries will be executed for that/those tables. 
- Catch the more general "Exception", inside "FileUtils.mergeParquetFiles()", in order to be certain that the "SQLException" can also be caught.
- Code polishing.
 2022-12-09 12:46:06 +02:00
Lampros Smyrnaios c8baf5a5fc - Fix not finding the parquet-schema files when the app was run inside a Docker Container. 
- Update the "namespaces" and the "names" inside the parquet schemas.
- Code polishing.
 2022-12-08 12:16:05 +02:00
Lampros Smyrnaios 8607594f6d - Improve exception handling. 
- Code polishing.
 2022-12-07 13:48:00 +02:00
Lampros Smyrnaios f183df276b - Move the "uploadFullTexts"-code in its own method. 
- Code polishing.
 2022-12-06 12:24:34 +02:00
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
Lampros Smyrnaios b6340066a7 - Improve handling of the case, where the full-texts were found, but the Controller could not acquire them from the Worker. 
- Add/improve logs and comments.
- Code cleanup.
 2022-09-28 22:34:33 +03:00
Lampros Smyrnaios a22144bd51 - Refactor "FileUtils.getErrorMessageFromResponseBody(conn)" into "FileUtils.getMessageFromResponseBody(conn, isError)", in order to be able to either retrieve the "normal" or the "error" response. 
- Add comments.
 2022-09-15 23:12:05 +03:00
Lampros Smyrnaios e3b374a32f - Optimize file-related tasks. 
- Update dependencies.
- Code cleanup.
 2022-05-26 15:43:59 +03:00
Lampros Smyrnaios 9b95eebb6c - Remove the obsolete "parenthesis" and "increasing duplicate-num" from the full-texts' names, before sending them to the S3-Object-Store. They now end with the "file-hash", so it is guaranteed that they will be unique. The Worker continues to produce the previous kind of names, without any disturbance. 
- Improve logging.
- Update MinIO dependency.
 2022-04-11 21:15:22 +03:00
Lampros Smyrnaios a81ed3c60f - Add an "isTestEnvironment"-switch, which makes it easier to work with production and test databases. 
- In case the Worker cannot be reached during a full-texts' batch request, abort the rest of the batches.
- Fix memory leaks when unzipping the batch-zip-file.
- Add explanatory comments for picking the database related to a full-text file.
 2022-04-08 17:39:45 +03:00