# General **URL:** https://ask.lenses.io/c/general/4.md?page=1 [Latest](https://ask.lenses.io/latest.md) · [Categories](https://ask.lenses.io/categories.md) · [Tags](https://ask.lenses.io/tags.md) **Page:** 2 --- ## [Streaming with topic metadata](https://ask.lenses.io/t/streaming-with-topic-metadata/245)
**Author:** [@Edward\_k](https://ask.lenses.io/u/Edward_k)\ **Replies:** 1\ **Last updated:** [May 31, 2024, 6:29pm UTC](https://ask.lenses.io/t/streaming-with-topic-metadata/245 "2024-05-31T18:29:40Z")
Is there a way to send the data from the \_meta field via stream to a topic? --- ## [Grafana doesn’t display the metrics from Lenses](https://ask.lenses.io/t/grafana-doesn-t-display-the-metrics-from-lenses/229)
**Author:** [@Edward\_k](https://ask.lenses.io/u/Edward_k)\ **Replies:** 1\ **Last updated:** [May 14, 2024, 1:59pm UTC](https://ask.lenses.io/t/grafana-doesn-t-display-the-metrics-from-lenses/229 "2024-05-14T13:59:29Z")
I configured the export of Lenses metrics, but they are not showing up in Grafana. What steps do I need to take to check this issue? --- ## [Integration With MSK Serverless](https://ask.lenses.io/t/integration-with-msk-serverless/223)
**Author:** [@grudtnerv](https://ask.lenses.io/u/grudtnerv)\ **Replies:** 1\ **Last updated:** [May 3, 2024, 12:08pm UTC](https://ask.lenses.io/t/integration-with-msk-serverless/223 "2024-05-03T12:08:34Z")
Hello. Does Lenses integrate with MSK Serverless? Is there any specific configuration required to work with the Glue Schema Registry? --- ## [Can Lenses be configured in HA mode?](https://ask.lenses.io/t/can-lenses-be-configured-in-ha-mode/221)
**Author:** [@grudtnerv](https://ask.lenses.io/u/grudtnerv)\ **Replies:** 1\ **Last updated:** [April 30, 2024, 8:04pm UTC](https://ask.lenses.io/t/can-lenses-be-configured-in-ha-mode/221 "2024-04-30T20:04:07Z")
Hello. Is it possible to configure Lenses in HA mode on Kubernetes? What parameters in the Helm Chart do I need to change to enable HA? --- ## [Does the SQL Processor support Node Selector?](https://ask.lenses.io/t/does-the-sql-processor-support-node-selector/216)
**Author:** [@grudtnerv](https://ask.lenses.io/u/grudtnerv)\ **Replies:** 1\ **Last updated:** [April 22, 2024, 7:10pm UTC](https://ask.lenses.io/t/does-the-sql-processor-support-node-selector/216 "2024-04-22T19:10:29Z")
Hello. I have Lenses installed on Kubernetes, and the SQL Processor is configured in KUBERNETES mode. How do I configure the nodeselector on the SQL Processor pod to run on a specific node? --- ## [Using the REST API to Execute Queries](https://ask.lenses.io/t/using-the-rest-api-to-execute-queries/211)
**Author:** [@Edward\_k](https://ask.lenses.io/u/Edward_k)\ **Replies:** 1\ **Last updated:** [April 16, 2024, 12:06pm UTC](https://ask.lenses.io/t/using-the-rest-api-to-execute-queries/211 "2024-04-16T12:06:41Z")
In older versions of Lenses, there was a REST API available to query the data, but I haven’t found anything related to that in recent versions. How can I use the Lenses API to execute queries? --- ## [Proxy Configuration in Lenses](https://ask.lenses.io/t/proxy-configuration-in-lenses/210)
**Author:** [@Edward\_k](https://ask.lenses.io/u/Edward_k)\ **Replies:** 1\ **Last updated:** [April 15, 2024, 8:45pm UTC](https://ask.lenses.io/t/proxy-configuration-in-lenses/210 "2024-04-15T20:45:30Z")
I have a restricted environment where services can only access the internet via a proxy. Does Lenses support the proxy? --- ## [Rollback Procedure in Lenses Upgrade](https://ask.lenses.io/t/rollback-procedure-in-lenses-upgrade/209)
**Author:** [@Edward\_k](https://ask.lenses.io/u/Edward_k)\ **Replies:** 1\ **Last updated:** [April 15, 2024, 8:30pm UTC](https://ask.lenses.io/t/rollback-procedure-in-lenses-upgrade/209 "2024-04-15T20:30:59Z")
I’m upgrading Lenses and want to know if Lenses has a way to perform a rollback in case of errors? --- ## [S3 Sink Has No Prefix Value](https://ask.lenses.io/t/s3-sink-has-no-prefix-value/200)
**Author:** [@cwoodruff](https://ask.lenses.io/u/cwoodruff)\ **Replies:** 1\ **Last updated:** [April 4, 2024, 8:47am UTC](https://ask.lenses.io/t/s3-sink-has-no-prefix-value/200 "2024-04-04T08:47:54Z")
Documentation at the link below the default partitioning for an S3 bucket is: bucket/prefix/topic/partition/ My data was backed up to S3 without a prefix so files were stored in: bucket/topic/partition How do you sho… --- ## [Lenses MSK IAM Connection](https://ask.lenses.io/t/lenses-msk-iam-connection/181)
**Author:** [@grudtnerv](https://ask.lenses.io/u/grudtnerv)\ **Replies:** 1\ **Last updated:** [February 6, 2024, 8:29pm UTC](https://ask.lenses.io/t/lenses-msk-iam-connection/181 "2024-02-06T20:29:23Z")
My Kafka instance is hosted in MSK, and my authentication is configured using IAM. How can I utilize Lenses to connect to my MSK instance with IAM, considering that my Lenses instance is deployed on EC2? --- ## [Unable to see/collect AWS MSK metrics with Lenses](https://ask.lenses.io/t/unable-to-see-collect-aws-msk-metrics-with-lenses/186)
**Author:** [@Edward\_k](https://ask.lenses.io/u/Edward_k)\ **Replies:** 1\ **Last updated:** [February 12, 2024, 5:43pm UTC](https://ask.lenses.io/t/unable-to-see-collect-aws-msk-metrics-with-lenses/186 "2024-02-12T17:43:40Z")
I’m having trouble setting up MSK metrics; I’m encountering a timeout error with the metrics. How can I resolve this? --- ## [Using the H2 backup to revert a failed Postgres Migration](https://ask.lenses.io/t/using-the-h2-backup-to-revert-a-failed-postgres-migration/182)
**Author:** [@grudtnerv](https://ask.lenses.io/u/grudtnerv)\ **Replies:** 1\ **Last updated:** [February 6, 2024, 8:34pm UTC](https://ask.lenses.io/t/using-the-h2-backup-to-revert-a-failed-postgres-migration/182 "2024-02-06T20:34:24Z")
How can I use the H2 backup to revert a failed Postgres Migration? --- ## [SQL Studio error: Failed to get the latest offsets on table](https://ask.lenses.io/t/sql-studio-error-failed-to-get-the-latest-offsets-on-table/173)
**Author:** [@ejhon\_s](https://ask.lenses.io/u/ejhon_s)\ **Replies:** 1\ **Last updated:** [January 19, 2024, 2:36pm UTC](https://ask.lenses.io/t/sql-studio-error-failed-to-get-the-latest-offsets-on-table/173 "2024-01-19T14:36:06Z")
When I try to use SQL Studio on my topic, the error message ‘Failed to get the latest offset on table \[users-events-v1.2\]’ appears. My topic name is ‘users-events-v1.2.1’. How can I query this topic? --- ## [Receiving the error message "Couldn't create Kafka topic backup configuration."](https://ask.lenses.io/t/receiving-the-error-message-couldnt-create-kafka-topic-backup-configuration/168)
**Author:** [@ejhon\_s](https://ask.lenses.io/u/ejhon_s)\ **Replies:** 1\ **Last updated:** [January 3, 2024, 12:06pm UTC](https://ask.lenses.io/t/receiving-the-error-message-couldnt-create-kafka-topic-backup-configuration/168 "2024-01-03T12:06:37Z")
I am trying to use the backup and restore feature of Lenses, but an error message is appearing. The detail is that Lenses is correctly connected to Kafka-Connect. Couldn't create Kafka topic back configuration. No plugi… --- ## [Live Sample Not Showing Messages When Using a Query](https://ask.lenses.io/t/live-sample-not-showing-messages-when-using-a-query/164)
**Author:** [@ejhon\_s](https://ask.lenses.io/u/ejhon_s)\ **Replies:** 1\ **Last updated:** [December 29, 2023, 1:00pm UTC](https://ask.lenses.io/t/live-sample-not-showing-messages-when-using-a-query/164 "2023-12-29T13:00:39Z")
When I run a query in Live Sample, not all the data appears, but when I run the same query in SQL Studio, all the data is visible. Could the message volume be affecting this? Does the query type and its filters have any … --- ## [ElasticSearch combined with kafka topic contents](https://ask.lenses.io/t/elasticsearch-combined-with-kafka-topic-contents/155)
**Author:** [@Laurens](https://ask.lenses.io/u/Laurens)\ **Replies:** 2\ **Last updated:** [December 28, 2023, 3:22pm UTC](https://ask.lenses.io/t/elasticsearch-combined-with-kafka-topic-contents/155 "2023-12-28T15:22:18Z")
I would like to see if and how it would be possible to a search on a combination of elastic data and topic data. For instance , I find in my elastic index all contract id’s sent & processed by SAP I would like to sel… --- ## [Types of Schema Creation in Lenses](https://ask.lenses.io/t/types-of-schema-creation-in-lenses/157)
**Author:** [@ejhon\_s](https://ask.lenses.io/u/ejhon_s)\ **Replies:** 1\ **Last updated:** [December 26, 2023, 8:15pm UTC](https://ask.lenses.io/t/types-of-schema-creation-in-lenses/157 "2023-12-26T20:15:26Z")
I’m using Lenses version 5.4 and I want to create a schema in JSON format, but I only see options for AVRO or PROTOBUF. Does Lenses not support JSON Schemas? --- ## [Connector\_info: extract multiple properties (instead of one topic)](https://ask.lenses.io/t/connector-info-extract-multiple-properties-instead-of-one-topic/102)
**Author:** [@hachemsfar](https://ask.lenses.io/u/hachemsfar)\ **Replies:** 1\ **Last updated:** [August 14, 2023, 4:16pm UTC](https://ask.lenses.io/t/connector-info-extract-multiple-properties-instead-of-one-topic/102 "2023-08-14T16:16:04Z")
I am using this docker-compose file that able the connector to extract data to 1 topic. And the connector is able to multiple topics can you help me and tell me what I should change in the docker-compose to extract sap… --- ## [Launchpass link to the community Slack doesn't work](https://ask.lenses.io/t/launchpass-link-to-the-community-slack-doesnt-work/82)
**Author:** [@fejiwack](https://ask.lenses.io/u/fejiwack)\ **Replies:** 1\ **Last updated:** [June 14, 2023, 9:02am UTC](https://ask.lenses.io/t/launchpass-link-to-the-community-slack-doesnt-work/82 "2023-06-14T09:02:41Z")
When I try to put my email in the field at https://launchpass.com/lensesio, it doesn’t look like it goes through, and I receive no email. --- ## [Dead letter Queue support for Influxdb sink connector](https://ask.lenses.io/t/dead-letter-queue-support-for-influxdb-sink-connector/55)
**Author:** [@omalcooray](https://ask.lenses.io/u/omalcooray)\ **Replies:** 1\ **Last updated:** [May 2, 2023, 9:12am UTC](https://ask.lenses.io/t/dead-letter-queue-support-for-influxdb-sink-connector/55 "2023-05-02T09:12:02Z")
Even though in the documentation, its says “In addition to the deadletter queues provided by Kafka Connect, the Stream Reactor sink connectors support Error Policies to handle failure scenarios.” I tried dead letter q… [Previous page](https://ask.lenses.io/c/general/4.md)