Author Archives: maru

This is mostly a bugfix release. Issues that have been solved are: A memory corruption bug in the replication code which would garble the replication log as well as general replication improvements. Lessfs now maintains accurate information on st_blocks of … Continue reading →

New features Lessfs now supports asynchronous master/slave replication. Replication can be enabled and disabled with a simple ‘ echo 1 >/.lessfs/replication/enabled’ where 1 is enabled and 0 is disabled. Lessfs uses CRC32 checksums to ensure data integrity during data transfer … Continue reading →

This release contains a number of small bug fixes as well as improved truncation code. Lessfs can now truncate files as a background process. Files that are being truncated are no longer read/write locked but are now only write locked. … Continue reading →

Introduction Key value databases are becoming more popular lately. And for good reason. Although these databases offer a limited set of features they do come with one important feature : high performance. Not all key value databases are created equal … Continue reading →

This versions adds two new features to lessfs. A. Synchronous replication. Lessfs now supports a master / slave configuration. In this case the master will synchronously replicate the data to the slave. The slave is read-only. The master will freeze … Continue reading →

Lessfs with background deletion and truncation. Today I decided to upload a pre-release of lessfs-1.1.6. It has a new feature that a number of users have been lobbying fore. The feature is background deletion / truncation of files. Let me … Continue reading →

This version improves crash recovery and solves a potential deadlock when lessfs is used with samba. Lessfs now inserts test transactions in the databases when lessfs is mounted. When a transactions fails the database it automatically optimized. Instead of halting … Continue reading →

This release fixes a problem where lessfs would leave orphaned data chunks in the system under high load. A number of issues with lessfschk has also been solved.

Everyone who is using a 1.1.x release is encouraged to upgrade to this version. It solves a race condition that will crash lessfs when it is put under heavy load. This release also improves performance.

Lessfs-1.1.0 is now available for download. As with any .0 release there may still be small issues that can pop up. The good news is that lessfs-1.1.0 is very fast, both for reading and writing. Compression has improved in many … Continue reading →