Statistics
| Branch: | Tag: | Revision:

root / src / Ganeti / HTools / Program / Hsqueeze.hs @ a5efec93

History | View | Annotate | Download (10.4 kB)

# Date Author Comment
edd09726 12/18/2013 04:47 pm Klaus Aehlig

break line longer than 80 chars

Signed-off-by: Klaus Aehlig <>
Reviewed-by: Helga Velroyen <>

dcd54d32 12/18/2013 03:49 pm Klaus Aehlig

hsqueeze: tag nodes before offlining them

hsqueeze is supposed to tag nodes before powering them down, so that
it later can recognize which nodes can be activated later. When showing
the commands to execute, also add the tagging commands.

Signed-off-by: Klaus Aehlig <>...

2a58a7b1 12/18/2013 03:49 pm Klaus Aehlig

hsqueeze: only consider nodes that are not secondaries

If an instance has a secondary node, it cannot be easily
moved to every node (in the same node group), as otherwise
no node would be distinguished as secondary. As hsqueeze
should only consider nodes were moving the instances away...

81879d92 11/25/2013 05:50 pm Klaus Aehlig

hsqueeze: fix position of option in gnt-node power

hsqueeze can produce a shell script with the commands to squeeze
the cluster; in the script, fix the position of the '-f' option
in the 'gnt-node power' command.

Signed-off-by: Klaus Aehlig <>...

268fb0bd 11/15/2013 05:40 pm Klaus Aehlig

hsqueeze: add option to show or save commands

Add an option to hsqueeze to show, or save in a file, the commands
that have to be carried out.

Signed-off-by: Klaus Aehlig <>
Reviewed-by: Hrvoje Ribicic <>

bbc6620d 11/15/2013 05:40 pm Klaus Aehlig

hsqueeze: when balancing also keep the move sequence

In hsqueeze, when computing the balancing sequence, also
remember the sequence of moves that lead there.

Signed-off-by: Klaus Aehlig <>
Reviewed-by: Hrvoje Ribicic <>

c407510c 10/31/2013 06:00 pm Klaus Aehlig

hsqueeze: support planing for onlining nodes

If the amount of free resources falls below a given threshold,
hsqueeze will suggest putting standby nodes back online until
the minimum of free resources is reached, or all standby nodes
are online.

Signed-off-by: Klaus Aehlig <>...

5f6e9cb9 10/29/2013 02:26 pm Klaus Aehlig

Add hsqueeze planning for compression

Add a new htool, hsqueeze, for dynamic power management. This
commit only implements the first useful part: plan (but not
executing) taking nodes offline nodes still keeping within the
resource limit.

Signed-off-by: Klaus Aehlig <>...