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Questions tagged [cdc]

CDC may refer to the Communication Device Class (or USB CDC). Also may refer to Change Data Capture in Microsoft SQL Server, PostgreSQL, IBM (IDR), and Informix. Also may refer to Connected Device Configuration in Java ME.

CDC acronym may refer to: the Communication Device Class (or USB CDC); or to Change Data Capture in Microsoft SQL Server, PostgreSQL, IBM (IDR) or Informix databases; or to Connected Device Configuration in Java ME.

USB communications device class (or USB CDC) is a composite Universal Serial Bus device class. It provides a single device class, but there may be more than one interface implemented such as a custom control interface, data interface, audio, or mass storage related interfaces.

The communications device class is primarily used for modems. However it also supports ISDN and fax machines. It also supports plain telephony applications for performing regular voice calls.

More details on USB CDC in Wikipedia.

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Why is CDC based on older versions of Java, instead of being a subset of current SE?

When programming in CDC I'm always reinventing the wheel, re-implementing stuff like Arrays.toString(Object[]). Why is it this way? Couldn't CDC (and FP, PBP, etc) be a subset of the current edition of SE, instead of being based on an old (may I say…
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Workaround for Enum data types for PostgreSQL Google Cloud Datastream

I was surprised to find that Cloud Datastream does not support enum data types in source if replicating from PostgreSQL. Datastream doesn't support replication of columns of the enumerated (ENUM) data type. As we have quite a few fields created…
i-za
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Enable logical replication on Google Cloud Postgres

Is there anyway to enable logical replication wal_level = logical on Google Cloud Postgres instance? I want to do CDC (change data capture) to stream WAL Record to Apache Kafka. Thanks for your help!
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AWS DMS CDC to S3 target

So I was playing around seeing what could be achieved using Data Migration Service Chance Data Capture, to take data from MSSQL to S3 & also Redshift. The redshift testing was fine, if I delete a record in my source DB, a second or two later the…
SimonB
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How to support CDC with AWS Glue

We are comparing Change Data Capture (CDC) capabilities for AWS Glue to SnapLogic and Informatica. AWS Glue has the ability to detect changes in the data structure. I am looking for specific examples of how to detect changes in data (i.e.…
Miles Baker
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FTDI implements standard CDC protocol?

Does FTDI implement the standard communications device class (CDC) USB protocol? I need to implement a host on the STM32 to connect the device to an FTDI serial chip. But searches on Google say that when using a library from ST there are problems.
Сергей Сахно
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how to use cassandra cdc (change data capture)

I would like to know how I can use CDC in cassandra. I found that this is already is implemented started from 3.8 version( https://issues.apache.org/jira/browse/CASSANDRA-8844). Are there any examples of usage?
Arshak Galstyan
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Composite USB CDC Gadget doesn't work with Windows hosts

I have an embedded Linux 3.19 system with a USB device interface. The device needs to expose three USB interfaces to the host: a virtual network interface (RNDIS or CDC ECM) and two virtual serial ports (CDC ACM). The device needs to cooperate with…
Pavel Kirienko
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How do I increase read buffer size for cdc_acm driver?

Running linux kernel 3.14.43, I am reading from a CDC ACM device (implemented on an LPC4330). The device appears at /dev/ttyACM0, and I can open it and read from it in the normal way. The device appears to be buffering about 4096 bytes (I get reads…
J. Doe
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What is difference between CDC, JRE, OSGi execution environment?

In terms of Eclipse, what is the difference between CDC, JRE and OSGi execution environments? What are the consequences of using any one of above 3 execution environment at the time of creating new project in eclipse?
MechaCode
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CDC fn_cdc_get_all_changes_dbo_ error 313 "An insufficient number of arguments..."

There's no shortage of topics covering this function and error "An insufficient number of arguments were supplied for the procedure or function cdc.fn_cdc_get_all_changes". I've checked most of them, but can't figure out what's wrong. The problem…
Kahn
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file:/// to http:// communication via IFrame

Maybe some of you could have ran into the same problem i did. Imagine you have a file on your machine: file:///c:\test.html And you have an IFrame inside of this file. You need to indicate whether the IFrame contents are loaded or no. Bacically,…
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Virtual COM Communications Issue

I'm working on a Communications Device Class (CDC) driver for an embedded device, a Full Speed implementation of USB 2.0. The COM port settings are 115200, 8-bit, no parity, 1 stop bit, no flow control. Our PC application (32-bit, Windows 7, .NET…
Jim Fell
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Change Data Capture with table joins in ETL

In my ETL process I am using Change Data Capture (CDC) to discover only rows that have been changed in the source tables since the last extraction. Then I do the transformation only for this rows. The problem is when I have for example 2 tables…
rlyzwa
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How to create a large Compatible Memory DC in GDI programming?

I want to create a large CompatibleDC, draw a large image on it, then bitblt part of the image to other DC, in order to achieve high performance. I am using the following code to create compatible Memory DC. But when the rect becomes very large,…
user25749
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