search for: read_bucket_lock

Displaying 3 results from an estimated 3 matches for "read_bucket_lock".

2019 Mar 05
0
[PATCH nbdkit] Add new filter for rate-limiting connections.
...the + * length of time in "rate-equivalent seconds" that the client can + * burst for after a period of inactivity. This could be adjustable + * in future. + */ +#define BUCKET_CAPACITY 2.0 + +/* Global read and write buckets. */ +static struct bucket read_bucket; +static pthread_mutex_t read_bucket_lock = PTHREAD_MUTEX_INITIALIZER; +static struct bucket write_bucket; +static pthread_mutex_t write_bucket_lock = PTHREAD_MUTEX_INITIALIZER; + +/* Per-connection handle. */ +struct rate_handle { + /* Per-connection read and write buckets. */ + struct bucket read_bucket; + pthread_mutex_t read_bucket_...
2019 Mar 05
2
[PATCH nbdkit] Add new filter for rate-limiting connections.
For virt-v2v we have been discussing how to limit network bandwidth. The initial discussion has been around how to use cgroups to do this limiting, and that is still probably what we will go with in the end. However this patch gives us another possibility for certain virt-v2v inputs, especially VDDK. We could apply a filter on top of the nbdkit plugin which limits the rate at which it copies
2019 Jul 31
13
[nbdkit PATCH 0/8] fd leak safety
There's enough here to need a review; some of it probably needs backporting to stable-1.12. This probably breaks tests on Haiku or other platforms that have not been as on-the-ball about atomic CLOEXEC; feel free to report issues that arise, and I'll help come up with workarounds (even if we end up leaving a rare fd leak on less-capable systems). Meanwhile, I'm still working on my