chronicrawl | Experimental continouous web crawler for web archiving | Continuous Backup library
kandi X-RAY | chronicrawl Summary
kandi X-RAY | chronicrawl Summary
Chronicrawl is an experimental web crawler for web archiving. The goal is to explore some ideas around budget-based continuous crawling and mixing of browser-based crawling with traditional link extraction.
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Top functions reviewed by kandi - BETA
- Generate seeds
- Fetches the request
- Calculates the next time
- Step 1
- Merge a set of patches
- Remove semantically equalities
- Get the difference between two strings
- Reorders all changes
- Parse the payload
- Add a random seed
- Converts UUID to byte array
- Get the text as text
- List all visits for a given location
- Replays a replay url
- Generates a SVG chart for metrics
- Get the http header for a war
- Parses a text line and returns a list of patches
- Browse the page
- Returns a summary of the period
- Converts a diff into an encoded string
- reapplies rules to an origin
- Converts a Diff object into a pretty HTML report
- Read devtools URL from the stderr
- Serves the incoming request
- Compute the diffs from the original text1 and text2
- Fetches the OIDC configuration from the URL
chronicrawl Key Features
chronicrawl Examples and Code Snippets
Community Discussions
Trending Discussions on Continuous Backup
QUESTION
ANSWER
Answered 2022-Feb-22 at 10:59I am not sure if you have seen this message in the portal when you created the account/also mentioned in the doc
"You will not be able to switch between the backup policies after the account has been created"
since you need to select either "Periodic" or "Continuous" at the creation of Cosmos Account, it becomes mandatory.
Update:
You will not see the above in portal anymore, you can Switch from "Periodic" to "Continous" on an existing account and that cannot be reverted. You can read more here.
QUESTION
What would be the consistency of the continuous backup of the write region if the database is using bounded staleness consistency? Will it be equivalent to strong consistent data assuming no failovers happened?
Thanks Guru
...ANSWER
Answered 2021-Nov-25 at 17:15Backups made from any secondary region will have data consistency defined by the guarantees provided by the consistency level chosen. In the case of strong consistency, all secondary region backups will have completely consistent data.
Bounded staleness will have data that may have stale or inconsistent data inside the defined staleness window (minimum 300 seconds or 100k writes). Outside of that staleness window the data will be consistent.
Data for the weaker consistency levels will have no guarantees for consistency from backups in secondary regions.
QUESTION
MongoDB has deprecated the continuous back up of data. It has recommended using CPS (Cloud provider snapshots). As far as I understood, snapshots isn't really going to be effective compared to continuous backup coz, if system breaks, then we can only be able to restore the data till the previous snapshot which isn't gonna make the database up-to-date or close to it atleast.
Am I missing something here in my understanding?
...ANSWER
Answered 2020-May-19 at 10:12Cloud provider snapshots can be combined with point in time restore to give the recovery point objective you require. With oplog based restores you can get granularity of one second.
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install chronicrawl
You can use chronicrawl like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the chronicrawl component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .
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