# Available Space and SMR HDD **URL:** \ **Category:** Node Operators\ **Tags:** smr, storagenode\ **Created:** [September 9, 2020, 6:53am UTC](https://forum.storj.io/t/available-space-and-smr-hdd/9044 "2020-09-09T06:53:32Z")\ **Posts on this page:** 1\ **Showing post:** 3
**Author:** ![Alexey](https://storj.bcdn.literatehosting.com/user_avatar/forum.storj.io/alexey/32/41_2.png) [@Alexey](https://forum.storj.io/u/Alexey)\ **Post date:** [September 9, 2020, 7:07am UTC](https://forum.storj.io/t/available-space-and-smr-hdd/9044/3 "2020-09-09T07:07:03Z")
> [@Filestore.write-buffer-size](https://forum.storj.io/t/filestore-write-buffer-size/7442): > > Hi guys, I’m sorry I keep asking questions. I was going through the config.yam and came across the # in-memory buffer for uploads option. I did search the forums but didn’t find any information regarding this option. Is it worth enabling something like 512MiB or even 1GiB as write cache? Will it improve node performance? I understand it does increase the risk of data corruption in case of an ungraceful shutdown but I’m behind a UPS so hopefully that is somewhat unlikely. Any thoughts? André … I can only found this feedback: > [@Machine freezing for short periods](https://forum.storj.io/t/machine-freezing-for-short-periods/5739/84): > > After roughly 1h15 with the --filestore.write-buffer-size="4MiB" option, the node is dying again it seems: load average: 299.51, 282.63, 210.63. Besides, something really suspect happens time to time, not sure if it was the case with previous configurations, but it is little by little taking a very large amount of RAM (1000MB+) up to the point where it suddenly goes back to almost nothing, and it rises again (I saw it above 1580MB once). When checking the logs, it appears that the start-up rou… So this option is likely doesn’t help. --- _[View the full topic](https://forum.storj.io/t/available-space-and-smr-hdd/9044)._