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UrlsController
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162 Commits

Author SHA1 Message Date
Lampros Smyrnaios f9c6bad768 Do not send shutDownRequests to workers which have already shutdown. 2023-05-29 12:42:54 +03:00
Lampros Smyrnaios a38d6ace79 Code polishing. 2023-05-29 12:21:48 +03:00
Lampros Smyrnaios 03bf4294b8 - Add documentation about the "BulkImport API" in the README. 
- Fix a link in README.
- Update dependencies.
 2023-05-29 12:13:39 +03:00
Lampros Smyrnaios 74ff31fc64 - Show the workerIPs in the logs. 
- Rename the "FullTexts"-files to "BulkImport".
 2023-05-29 12:12:08 +03:00
Lampros Smyrnaios 3988eb3a48 - Use a separate HDFS sub-dir for every assignments-batch, in order to avoid any disrruptancies from multiple threads moving parquet-files from the same sub-dir. Multiple batches from the same worker may be processed at the same time. These sub-dirs are deleted afterwards. 
- Treat the "contains no visible files" situation as an error. In which case the assignments-data is presumed to not have been inserted to the database tables.
- Code polishing/cleanup.
 2023-05-27 02:36:05 +03:00
Lampros Smyrnaios 02cee097d4 Fix an issue, which could cause some background jobs to be executed more than 1 times. The previously executed jobs were not deleted from the global list fast enough, and they would be selected again, in case they were not finished before the scheduler started again. 2023-05-26 13:08:00 +03:00
Lampros Smyrnaios 2b50e08bf6 - Handle the case, were multiple threads may load the same HDFS directory to a database table, thus causing the "directory contains no visible files"-SQLException. 
- Improve the values of the delays for some scheduledTasks.
- Improve elapsed time precision for the "lastAccessedOn" metadata of the workerReports.
- Code polishing.
 2023-05-25 00:34:36 +03:00
Lampros Smyrnaios 164245cb53 - Automatically delete the unsuccessful WorkerReports, which are more than 7 days old. 
- Optimize the Service's startup speed, by setting "initialDelays" to the scheduled tasks.
- Optimize documentation.
 2023-05-24 16:59:42 +03:00
Lampros Smyrnaios 551c4acef5 Fix property naming missmatch. 2023-05-24 14:49:29 +03:00
Lampros Smyrnaios 8b5f143b0a Place the "workerReports" and the "bulkImportReports" dirs inside the "reports" parent-directory. 2023-05-24 14:10:57 +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 0ea3e2de24 Add the "shutdownService" and "cancelShutdownService" endpoints. The Controller sends the related requests to the Workers and shutdowns gracefully, after all workers have shutdown. 2023-05-24 13:42:29 +03:00
Lampros Smyrnaios c2a1b96069 - Rename the mounted "mnt/bulkImport/" directory to "/mnt/bulk_import/". 
- Increase the "awaitTermination" timeout for the ExecutorService to 2 minutes.
 2023-05-23 21:09:34 +03:00
Lampros Smyrnaios c7bfd75973 - Add the "getWorkersInfo" endpoint. 
- Improve startup speed, by using a faster remote server to get the host's machine public IP. This also reduces the risk of not being able to get the public IP at all.
- Fix the detection of a different IP for a known worker.
- Improve documentation.
 2023-05-23 14:57:15 +03:00
Lampros Smyrnaios 5f75b48e95 - Increase the "read-timeout" when searching for the host's machine public-IP. 
- Update dependencies.
- Code polishing.
 2023-05-22 21:33:02 +03:00
Lampros Smyrnaios 0ab6bae93a - Optimize the json-conversion of the "BulkImportReport". 
- Code polishing.
 2023-05-18 17:30:40 +03:00
Lampros Smyrnaios f7f919cee1 - Make sure we set the "hasShutdown" to "false", for each known worker which was restarted. 
- Fix markdown of urls in prometheus' readme.
 2023-05-16 12:24:14 +03:00
Lampros Smyrnaios b499209ce3 - Move the Prometheus and grafana configuration in a dedicated directory and docker-compose file. 
- Add documentation about setting-up prometheus and grafana.
 2023-05-15 18:52:31 +03:00
Lampros Smyrnaios a8eea1ccf4 Fix missing changes. 2023-05-15 13:13:24 +03:00
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