Comparison Table
Feature |
Ext4 |
Btrfs |
---|---|---|
Type of FileSystem | Journaling | Copy on Write(COW) |
Deduplication | Not supported | Supported |
File-System Compression | Not Supported | Supported |
Data Integrity | Not Ensured | Ensured via CRC32C checksum |
Snapshot | Not supported | Supported |
Storage Efficiency | Not better than Btrfs | Better than Ext4 |
Maximum Number of Files | ~4 Billion (2^32) | ~18 quintillions (2^64) |
Maximum Partition Size and File size |
File Size: 16TiB Partition Size: 1 exbibyte |
File Size: 16EiB Partition Size: 16EiB |
Difference Between Ext4 VS Btrfs Filesystems in Linux
In simple terms, the filesystem is a database containing physical locations of files and data for easy retrieval at the time when it is needed. With the help of the Filesystem, the operating system controls how the data is stored and retrieved. File System usually contains files separated into groups known as directories which can hold files and furthermore directories in them. Also helps the system to store the files in the most efficient way possible.
Example:
- Ext4 and Btrfs Filesystems are pretty much well known for their performance in Linux environments.
- NTFS and FAT are known in Windows environments.
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