GCP Datastore

Question 1

What is GCP Datastore?

Answer 1

It is a noSQL document database,

• Terabyte capacity
• Fully Managed,
• NoSQL
• Built For Scale
• High Replication
• High Availability
• Has SQL like queries
• Shards for scale
• Transactions

Question 2

Is GCP Datastore Fully Managed?

Answer 2

Yes

Question 3

I need atomic transactions, is GCP Datastore an option?

Answer 3

Yes

Question 4

I need scalability for a database, will GCP Datastore provide this?

Answer 4

Yes

Question 5

How long does a write take in GCP Datastore?

Answer 5

It takes about 1sec to complete a write

Question 6

I have to write to some type of datastore, I need to be able to write 4 transactions per second, is GCP Datastore and option for me?

Answer 6

No GCP Datastore requires 1second per write.

Question 7

In GCP Datastore Are Global Queries consistent?

Answer 7

No, they are eventual consistent because of the query more than a single key.

Question 8

In GCP Datastore, are Key Queries consistant?

Answer 8

Yes because the query is for a single key.

Question 9

What type of consistency does GCP Datastore give you?

Answer 9

It gives you both eventual and strong consistancy.

Question 10

Is GCP Datastore highly available?

Answer 10

Yes, 99.95% SLA

Question 11

I need to ensure GCP Datastore database can withatand a regional failure, what are my options.

Answer 11

Locate your database and its application in a regions supporting multi-region replication. Data is replicatited to zones with in a region but also to another region. There is currently only 2 regions with multiregion capabilities, us-centeral and europe-west.

Question 12

When creating a GCP Datastore database, how do I selected the region.

Answer 12

GCP Datastore selects the region based on the projects region.

Question 13

When using multi-region replication for GCP Datastore, how many regions is the data replicated to? and how many replicas in each region?

Answer 13

3, Region 1 has two full replicas, region 2 has two full replicas and region 3 has one replica.

Question 14

I need to export dat to Cloud Storage, is this possible?

Answer 14

Yes 100% you can export to CloudStorage

Question 15

I need to import data fromCloud Storage, is this possible?

Answer 15

Yes 100% you can import from CloudStorage

Question 16

Can I conect to GCP Cloud Datastore form Cloud Copmpute Engine, what do i need to set up?

Answer 16

Yes, 100% you will need to set up a service account and use it to conect form code.

Question 17

Can I conect to GCP Cloud Datastore form Cloud App Engine?

Answer 17

Yes, 100% you will need to set up a service account and use it to conect form code.

Question 18

If I export data form GCP Datastore to Cloud Storage, is it possible to import the same format into BigQuery?

Answer 18

Yes you can export to Cloud Storage, BigQuery will be able to import same format.

Question 19

How is GCP datastore charged?

Answer 19

You are charged for what you use, if over the weekend your database is not accesses you are not charged,

Question 20

Can I use GCP Datastore across region?

Answer 20

Normally deployed to one region, but we now have the ability to select a a region that has a buddy region.

Question 21

What is the max limit for Cloud Datastore?

Answer 21

There is no limit but Datastore sis good for TB of data

Question 22

Has Datastore got strong consistency?

Answer 22

It has strong consistency where lookup are by key and ancestor, all others are eventual.

Question 23

I need Datastore in a zone, can I deploy Datastore to a zone?

Answer 23

No you can not deploy Datastoire to a zone. You can deploy Datastore to a region (multi-zone) or to multi-region in us-centeral and europe-wwest.

Question 24

In a multi zone Datastore, where is data stored?

Answer 24

Data is replicated to 3 or more zones in the region and also to another close region.

Question 25

Is multi-tenancy supported in Datastiore

Answer 25

Yes you can use separate partitions using ‘namespaces’

Question 26

Is data encrypted?

Answer 26

Yes Google uses server side encryption and will also mage you keys.