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UrlsController
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126 Commits 3 Branches 14 Tags 1.1 MiB
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126 Commits

Author SHA1 Message Date
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
Lampros Smyrnaios e51ee9dd27 - Add info about the Stats API usage in "README.md". 
- Optimize performance in "ParquetFileUtils.createAndLoadParquetDataIntoAttemptTable()" and "ParquetFileUtils.createAndLoadParquetDataIntoPayloadTable()".
- Handle the "EmptyResultDataAccessException" inside "StatsController".
- Optimize gradle's performance.
- Code polishing.
 2022-12-15 14:04:22 +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 0209d24068 - Change the parquet compression from "Snappy" to "Gzip", as there is an unhandleable exception when the app is running inside a Docker Container and uses the "Snappy" compression. 
- Code polishing.
 2022-12-08 16:28:41 +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 95c38c4a24 - Fix creating the "assignment" table, always in the testDatabase. 
- Code polishing.
 2022-12-07 14:58:38 +02:00
Lampros Smyrnaios 3c5f4c6464 Fix bytes to MB conversion. 2022-12-07 14:32:18 +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 b0c57d79a5 - When the Controller cannot retrieve any assignments from Impala (without an error), return an HTTP-"MULTI_STATUS" with an empty "AssignmentsResponse", instead of an "INTERNAL_SERVER_ERROR". 
- Fix an error-message.
 2022-12-05 16:44:00 +02:00
Lampros Smyrnaios 577ea983e8 - Improve some log-messages. 
- Set some optimization settings for gradle.
- Fix error-handling in "installAndRun.sh".
- Update dependencies.
 2022-11-30 16:28:39 +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 6a03103b79 Update dependencies. 2022-11-10 16:50:21 +02:00
Lampros Smyrnaios aad37cd81e Add the "StatsController", which brings the "getNumberOfPayloads" and "getNumberOfRecordsInspected" endpoints. 2022-10-18 15:00:26 +03:00
Lampros Smyrnaios e2d53105d1 Fix not creating the "assignment" table in a new production database, which contains only the "publication" and "datasource" data. 2022-10-07 15:51:31 +03:00
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 3e8f9c6074 Update the "UriBuilder.java" to be able to acquire the running port of the server, in case the port-number was initially set to "random" (0). Also make sure we get the "localHostAddress" and not the "localHostName", in case the public IP is not retrievable. 2022-09-12 17:04:05 +03:00