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| 1 | +# Release notes |
| 2 | + |
| 3 | +## Version 1.59 |
| 4 | + |
| 5 | +!!! tip "" |
| 6 | + Helm chart version 1.59.2 |
| 7 | + |
| 8 | +### Helm configuration changes |
| 9 | + |
| 10 | +The following ODM components were removed: `clickhouse`, `mysql-prepare` and `clickhouse-helper`. |
| 11 | + |
| 12 | +Removing the old `clickHouse` instance is completely safe, as its data was migrated to the cluster version of ClickHouse in the 1.58 release, and it should have been disabled after that. |
| 13 | + |
| 14 | +### Mysql migration |
| 15 | + |
| 16 | +Background migrations, running during the `core` container startup, may take up to tens of minutes. Use the Helm `--timeout 30m` option to adjust the timeout accordingly. |
| 17 | + |
| 18 | +If the ODM service is unable to start within the allocated time, increase the `failureThreshold` value for the core container. |
| 19 | + |
| 20 | +### Removal of Application Container Persistent Volume |
| 21 | + |
| 22 | +We have removed the Persistent Volume Claim (PVC) and the necessary configuration for the `applications` container. This removal is safe, so there's no need for concern. |
| 23 | + |
| 24 | +### Increasing memory limits for func-file |
| 25 | + |
| 26 | +A mechanism of attaching files to studies has been extended with new data sources. Attached files are stored in an |
| 27 | +S3 bucket, configured for `applications` container. The `func-file` container requires additional memory |
| 28 | +to facilitate efficient data transfer. This is particularly critical for the parallel upload of large files |
| 29 | +(several gigabytes in size) from the S3 source. |
| 30 | + |
| 31 | +The default configuration works fine for sequential file uploads. To enable parallel uploads, |
| 32 | +please increase the `limits` for memory, as well as the `cRTInitialReadBufferSizeInBytes` parameter. Additionally, |
| 33 | +it is highly recommended that for JVM services, the values for the `requests` and `limits` parameters be equal. |
| 34 | +Take a look at the `odm/examples/parallel-file-upload.yaml` file as an example of configuration, |
| 35 | +demonstrating the settings required for the parallel upload of five files, each 10GB in size. |
| 36 | +Please contact Genestack support if you need any further help with the configuration. |
| 37 | + |
| 38 | +You can also check Amazon S3 limits here: <https://docs.aws.amazon.com/AmazonS3/latest/userguide/qfacts.html>. |
| 39 | + |
| 40 | +### Amazon S3 bucket configuration |
| 41 | + |
| 42 | +The CORS policy is not necessary for the S3 bucket used by ODM. The policy could be removed from the bucket |
| 43 | +configuration. |
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