X-Git-Url: https://git.saurik.com/redis.git/blobdiff_plain/5e2022bb484791b1b3099b7ce304f02b1f4a3212..6485f293827bed97a791ff6c88a8f3d92b00b1c5:/TODO diff --git a/TODO b/TODO index 237fb649..bdbe7974 100644 --- a/TODO +++ b/TODO @@ -15,10 +15,7 @@ Virtual Memory sub-TODO: * Check if the page selection algorithm is working well * Divide swappability of objects by refcount * Use multiple open FDs against the VM file, one for thread. -* it should be possible to give the vm-max-memory option in megabyte, gigabyte, ..., just using 2GB, 100MB, and so forth. -* Try to understand what can be moved into I/O threads that currently is instead handled by the main thread. For instance swapping file table scannig to find contiguous page could be a potential candidate (but I'm not convinced it's a good idea, better to improve the algorithm, for instance double the fast forward at every step?). -* Possibly decrRefCount() against swapped objects can be moved into I/O threads, as it's a slow operation against million elements list, and in general consumes CPU time that can be consumed by other threads (and cores). -* EXISTS should avoid loading the object if possible without too make the code too specialized. +* EXISTS should avoid loading the object if possible without making the code too specialized. * vm-min-age option * Make sure objects loaded from the VM are specially encoded when possible. * Check what happens performance-wise if instead to create threads again and again the same threads are reused forever. Note: this requires a way to disable this clients in the child, but waiting for empty new jobs queue can be enough. @@ -64,6 +61,7 @@ SMALL ONES: * Don't save empty lists / sets / zsets on disk with snapshotting. * Remove keys when a list / set / zset reaches length of 0. * An option to exec a command slave-side if the master connection is lost: even cooler: if the script returns "0" the slave elects itself as master, otherwise continue trying to reconnect. +* PING the master from time to time to check if it's gone. THE "MAYBE" TODO LIST: things that may or may not get implemented =================================================================