Deploying API implementations to CloudHub11% of the exam
Object Store Use on CloudHub
Choose Object Store v2 for keyed CloudHub integration state, budget application-wide calls and inspect value limits, partitions and lifecycle boundaries.
Describe the scenarios for which Object Store (OS) should be used with CloudHub.
~6 min read · 5 practice questions
What the exam expects
- Choose an object store for integration state rather than treating every storage need as messaging.
- Budget Object Store v2 calls across the whole application.
- Distinguish entry limits, value limits and logical partitions.
- Inspect stored values and their lifecycle without inferring corruption from the console.
An object store holds keyed application state; a partition separates a logical key area; TPS measures service transactions per second; TTL controls an entry's lifetime; a watermark records synchronization progress (Application data, Object Store FAQ). This lesson concerns worker-based CloudHub and its Object Store v2 service.
Sources for this section (2)
Key facts
State examples
- Detail
- Synchronization progress and OAuth tokens are documented uses.
Base rate
- Detail
- 10 TPS per application; every connector or API call counts.
- Source
- FAQ (opens in a new tab)
Premium rate
- Detail
- Up to 100 TPS per application.
- Source
- FAQ (opens in a new tab)
Value size
- Detail
- Each value must fit within 10 MB after Base64 encoding.
Store volume
- Detail
- Total size and number of entries are unrestricted.
Partitions
- Detail
- Logical separation does not reduce access time.
- Source
- FAQ (opens in a new tab)
Messaging
- Detail
- Use Anypoint MQ for app-to-app communication.
- Source
- FAQ (opens in a new tab)
Binary console value
- Detail
- Inspect through Object Store Retrieve before assuming corruption.
- Source
- FAQ (opens in a new tab)
- Which delimiter character must an Object Store v2 key convention avoid, and what happens to spaces?
- When Use Object Store v2 is reenabled, which condition preserves the earlier key-value pairs?
- When an automated report needs Object Store usage data, which programmatic interface should it use?
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