Appendix B ContentDirector Limits
© 2017 Harmonic Inc. All rights reserved. 329 Harmonic MediaGrid Release 4.1
Capacity Specifications
Node count: the number of named nodes in the file system, including regular files, directories,
symlinks, and hard links.
Slice count: the number of slices used to hold user file data.
Table B–1 shows the capacity specifications for Harmonic MediaGrid ContentDirectors.
Table B–1: Capacity Specifications for ContentDirectors
* Standard ContentDirectors with file counts greater than 1 million
are supported when upgraded
to Harmonic MediaGrid 3.1 or later provided that the other limits are met. However, load and
restart times will increase as file counts increase beyond the recommended limit. To improve load
and restart times with file counts beyond the recommended limit, upgrade to the High-
Performance ContentDirector.
Table B–2: Additional Specifications for ContentDirectors
ContentDirector
Type
Max File Count
Recommended*
(Files + Symlinks)
Max Node Count
Supported
(Files + Directories
+ Links)
Directory
Count
Supported
Slice Count
Supported
Storage
Size
Supported
ContentDirector
1000B (8 GB
RAM)
1 million 4 million 240,000 125 million 250 TB
ContentDirector
1000C (12
GB
RAM)
1 million 10 million 600,000 250 million 500 TB
ContentDirector
1000D/1000E/
1000F
(16 GB
RAM)
1 million 10 million 600,000 500 million 1 PB
High-Performance
ContentDirector
2000C (64 GB
RAM)
50 million 50 million 1.5 million 2 billion 4 PB
ContentDirector
Type
Max files
within a
directory
Max
subdirectories
within a
directory
Max connections
to Harmonic
MediaGrid server
from FSD/
ContentBridges
Max File
name
length
Max
directory
name
length
Max
hardlinks
to file
ContentDirector
1000 series
100,000
optimally
(250,000
max)
30,000 1000 254 249 1024
High-
Performance
ContentDirector
100,000
optimally
(250,000
max)
30,000 1000 254 249 1024
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