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UrlsController
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193 Commits

Author SHA1 Message Date
Lampros Smyrnaios f51a34138f - Use separate HDFS subdirectories for each worker in order to avoid seeing exceptions about "empty hdfs directory" when "loading" data to the database, because one worker has loaded data generated by multiple workers (since we use only 1 load operation for multiple parquet files). 
- Store each worker's info in a hash-table, in order to efficiently know if we need to create new hdfs subdirectories. Also, this will help to issue "shutdown" requests to the workers in the future, as well as to know which worker has shutdown.
 2023-05-15 13:12:20 +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 8381df70c6 - Improve performance of uploading parquet-files to HDFS. 
- Add some logs.
- Code polishing.
 2023-05-11 19:40:48 +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 42b93e9429 - Add the "getNumberOfAllDistinctFullTexts" stats-endpoint. 
- Add TODOs for more stats endpoints.
- Code polishing.
 2023-05-04 15:48:49 +03:00
Lampros Smyrnaios b3196376eb Fix a bug, which caused the full-text files to never close. 2023-05-04 13:03:28 +03:00
Lampros Smyrnaios 3473d91ce4 Add the "shutdownController.sh" script. 2023-05-03 20:43:44 +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 49662319a1 - Simplify the creation of local directories. 
- Improve exception messages.
 2023-04-28 14:58:33 +03:00
Lampros Smyrnaios 55ea5118ac - Update the "testDatabaseName" property. 
- Code polishing.
 2023-04-26 19:33:28 +03:00
Lampros Smyrnaios d7797eaaf6 Add the "getNumberOfPayloadsForDatasource" endpoint. 2023-04-24 09:54:35 +03:00
Lampros Smyrnaios 1b14a7e554 - Add profiles to docker-services to selectively run the additional "Prometheus" and "Grafana" services or not. 
- Update Gradle.
 2023-04-22 16:50:33 +03:00
Lampros Smyrnaios 68759e3023 Update dependencies. 2023-04-20 18:57:16 +03:00
Lampros Smyrnaios c2b17163cd Automatically show the Controller's logs after the docker-container starts running and the status is shown. 2023-04-11 11:59:10 +03:00
Lampros Smyrnaios 4dc34429f8 - Increase the waiting-time before checking the docker containers' status, in order to catch configuration-crashes. 
- Code polishing.
 2023-04-10 22:28:53 +03:00
Lampros Smyrnaios c39fef2654 Upgrade payload-table to payload-view which consists of three separate payload tables: "payload_legacy", "payload_aggregated" and "payload_bulk_import". 2023-04-10 15:55:50 +03:00
Lampros Smyrnaios 37363100fd Prioritize most recent publications. 2023-04-10 15:00:23 +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 495d5de19b - Automatically get the status of the docker containers after 30 secs of their initialization. 
- Add an error-handling in "installAndRun.sh"
- Update dependencies.
 2023-03-27 19:43:15 +03:00
Lampros Smyrnaios 882c6f447b Update the "testDatabaseName". 2023-03-21 23:10:21 +02:00
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 e975bec911 - Add Prometheus and Grafana which help measuring various metrics for the Controller's health and performance. 
- Fix Docker config still using the old (now removed) "application.properties" file.
- Simplify the process of building and running the docker image; Now we use docker compose to run the Controller, along with the Prometheus and Grafana. Also, now it is not requested from the user to login and push the image (this may change in the future).
 2023-03-21 16:46:33 +02:00
Lampros Smyrnaios 003c0bf179 - Add support for excluding specific datasources from being crawled. These datasources may be aggregated through bulk-imports, by other pieces of software. Such a datasource is "arXiv.org". 
- Fix an issue, where the "datasource-type" was retrieved instead of the "datasource-name".
- Polish the "findAssignmentsQuery".
 2023-03-21 07:19:35 +02:00
Lampros Smyrnaios f835a752bf Transform the "application.properties" file to "application.yml" and optimize the property-trees. 2023-03-20 15:23:00 +02:00
Lampros Smyrnaios 17a6c120dd Improve logs for full-texts' metrics. 2023-03-14 20:57:01 +02:00
Lampros Smyrnaios ff13af7abb Use a StatsService interface. 2023-03-13 12:39:39 +02:00
Lampros Smyrnaios 38643c76a3 - Code polishing. 
- Update Gradle.
 2023-03-07 16:55:41 +02:00
Lampros Smyrnaios 4af298a52a Revert the version of "libthrift"-dependency to "0.17.0", as the newer version is not compatible with Java 8. 2023-03-03 12:57:30 +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 62a4279e3b Update dependencies. 2023-03-02 17:40:16 +02:00
Lampros Smyrnaios c4670073ae - Add missing refactoring-change. 
- Code polishing.
- Update Spring.
 2023-02-24 23:49:04 +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 8893662a81 Refactor the UrlsController: a) offload the business-logic to the dedicated "UrlsService" and b) move the "checkParquetFilesSuccess()"-method to "ParquetFileUtils". 2023-02-21 15:36:35 +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 2253f05bf5 Refactor the "StatsController"-code, by offloading it to a dedicated "StatsService". 2023-02-09 19:25:48 +02:00
Lampros Smyrnaios 49fefefafd - Refactor the payloads-statistics-code and provide two endpoints: "getNumberOfPayloadsAggregatedByService", which returns the number of payloads aggregated only by the PDF-Aggregation-Service, and the "getNumberOfAllPayloads", which returns the number of all payloads existing in the database, even the ones aggregated in the past, by other pieces of software. 
- Update README.md.
- Make sure the docker image is clean-built, by avoiding the use of cache.
 2023-02-02 17:58:47 +02:00
Lampros Smyrnaios c9f33d3afa Add an extra precaution-check to allow the emptying or deletion of an S3-Object-Store bucket, only when the app runs in "TestEnvironment". 2023-02-01 16:42:22 +02:00
Lampros Smyrnaios f89730f196 Improve documentation. 2023-01-27 14:31:07 +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 d8773e6ebb - Make sure the test-environment uses a dedicated hdfs-parquet-directory. 
- Block app-execution in case the hdfs parquet directories failed to be created.
- Code polishing.
 2023-01-18 13:38:05 +02:00
Lampros Smyrnaios b0b00c8aed Update the minio dependency. 2023-01-11 15:46:34 +02:00
Lampros Smyrnaios c08ba1cc89 Revert the update of the "minio" dependency, as it introduces a bug, related to the "okhttp3.HttpUrl"-class. 2023-01-10 15:58:23 +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 9904ea5743 - Improve the stability of "UriBuilder.getPublicIP()", by using a "HttpURLConnection" to increase the connection and read timeouts and avoid timeout-exceptions. 
- Update Spring.
 2023-01-03 18:39:50 +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