Blue Iris Clip Length For Continuous Recording

[gfaulk09]

Hello, just wondering how long do you all set your clip length for 24 hour recording? I have 50 cameras and currently set at 1 hour intervals. I’m having issues with the database sometimes. Seems to be every month. And what sucks is that if one clip is bad, blue Iris quits generating the clip thumbnails and you have to continuesly restart the rebuild and watch what clip hangs.. and do it over and over.. currently I have 14,000 clips…

 

[sebastiantombs]

Try increasing the clip length to to or three hours. That'll cut the number of clips in the database significantly. I run 21 cameras at the moment with one hour clip lengths and the database shows about 120,000 entries. I get a few errors in the alerts section almost daily but they clear themselves as the day goes by.

 

[SouthernYankee]

One of your problems may be directory (folder) size. If you have near to or more than 10,000 files in a single folder you will have problems.
Is the database folder on the C drive. Is the C drive an SSD.

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My Standard allocation post.

1) Do not use time (limit clip age)to determine when BI video files are moved or deleted, only use space. Using time wastes disk space.
2) If New and stored are on the same disk drive do not used stored, set the stored size to zero, set the new folder to delete, not move. All it does is waste CPU time and increase the number of disk writes. You can leave the stored folder on the drive just do not use it.
3) Never allocate over 90% of the total disk drive to BI.
4) if using continuous recording on the BI camera settings, record tab, set the combine and cut video to 1 hour or 3 GB. Really big files are difficult to transfer.
5) it is recommend to NOT store video on an SSD (the C: drive).
6) Do not run the disk defragmenter on the video storage disk drives.
7) Do not run virus scanners on BI folders
8) an alternate way to allocate space on multiple drives is to assign different cameras to different drives, so there is no file movement between new and stored.
9) Never use an External USB drive for the NEW folder. Never use a network drive for the NEW folder.
10) for performance do not put more than about 10,000 files in a folder, the search and adding files will eat CPU and disk performance. Look at using a sub folder per camera (see &CAM in bi help)


Advanced storage:
If you are using a complete disk for large video file storage (BVR) continuous recording, I recommend formatting the disk, with a windows cluster size of 1024K (1 Megabyte). This is a increase from the 4K default. This will reduce the physical number of disk write, decrease the disk fragmentation, speed up access.
Hint:
On the Blue iris status (lighting bolt graph) clip storage tab, if there is any red on the bars you have a allocation problem. If there is no Green, you have no free space, this is bad.
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