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27 Commits

Author SHA1 Message Date
Thomas Schoebel-Theuer 8490dcc7bc light: add statusfile_rollover 2013-01-23 20:06:50 +01:00
Thomas Schoebel-Theuer 87631d14fc all: make rmmod more robust when requests are flying 2013-01-23 20:06:50 +01:00
Thomas Schoebel-Theuer 5041dd1cf4 mem: show raw statistics in /proc 2013-01-23 20:06:50 +01:00
Thomas Schoebel-Theuer 47040b5798 brick_say: implement status files via intermediate .tmp files 2013-01-23 20:06:49 +01:00
Thomas Schoebel-Theuer e7f88c84d6 infra: rewrite brick_say to work with threads 
It was cumbersome to write to files in / after in_interrupt() & co.
A master write thread will also reduce the peak IO parallelism
on log data in /mars .

Further work has to be done to utilize non-default write channels.
 2013-01-23 20:06:49 +01:00
Thomas Schoebel-Theuer c319230fa1 all: IO scheduling improvements, tuning 
Dastically boost random write performance on RAID controllers with BBUs.
Writeback is only performed when there is no IO contention / starvation.
The old IO contention controller was suited to workstations.
Now server loads are well-controlled even when BBUs are present.
 2013-01-23 20:06:49 +01:00
Thomas Schoebel-Theuer 06e6ff0973 proc: show actual traffic rates 2013-01-20 23:24:30 +01:00
Thomas Schoebel-Theuer 23c8af994c proc: show actual mem usage in /proc/sys/mars/ 2013-01-20 23:24:30 +01:00
Thomas Schoebel-Theuer 37c4e34f76 all: port to kernel 3.2 2013-01-20 23:24:30 +01:00
Thomas Schoebel-Theuer 5737198009 client: fix net io timeout 2013-01-20 23:24:29 +01:00
jmann 2ced26ef59 update *limit names in /proc/sys/mars/* 2013-01-20 23:24:28 +01:00
Thomas Schoebel-Theuer 74f9a8fd85 light: make LOGDELETE_AUTO runtime configurable 2013-01-20 23:24:28 +01:00
Thomas Schoebel-Theuer ebeaa7c7c0 light: make MIN_SPACE runtime configurable 2013-01-20 23:24:28 +01:00
Thomas Schoebel-Theuer 44f58e7004 light: make LOGROT_AUTO runtime configurable 2013-01-20 23:24:28 +01:00
Thomas Schoebel-Theuer 3336b513ce net: make network timeout configurable 2013-01-20 23:24:28 +01:00
Thomas Schoebel-Theuer cf05c126b5 mem: make total memory usage tunable in percent 2013-01-20 23:24:24 +01:00
Thomas Schoebel-Theuer 284d559bf3 light: add limiters for io and network bandwidth 2013-01-20 23:24:24 +01:00
Thomas Schoebel-Theuer 49336fdcac disable /proc/sys/mars/loadavg_limit by default 2013-01-20 23:24:13 +01:00
Thomas Schoebel-Theuer 06fea5042f stall network IO traffic when loadavg gets too high 2013-01-20 23:24:10 +01:00
Thomas Schoebel-Theuer 7ee39d8dfa usability: added /proc/sys/mars/{errors,warnings} 2013-01-20 23:23:49 +01:00
Thomas Schoebel-Theuer 92d9778dd7 fix race on primary switchover 
solution: wait until all in /mars/resouce-*/ has stabilized
for 60s and all known logfiles have been migrated.
This more a workaround than a solution and should be fixed
in MARS FULL.
 2013-01-20 23:23:41 +01:00
Thomas Schoebel-Theuer 2f9d86b994 rename /proc/sys/mars to /proc/sys/mars/trigger 
create basis for adding more entries to /proc/sys/mars/
 2013-01-20 23:23:40 +01:00
Thomas Schoebel-Theuer 188636c6af import mars-127.tgz 2013-01-08 15:54:49 +01:00
Thomas Schoebel-Theuer b54dbfb492 import mars-126.tgz 2013-01-08 15:54:44 +01:00
Thomas Schoebel-Theuer 3091f75f67 import mars-125.tgz 2013-01-08 15:54:44 +01:00
Thomas Schoebel-Theuer b7326a74a7 import mars-122.tgz 2013-01-08 15:54:41 +01:00
Thomas Schoebel-Theuer 866ac28322 import mars-119.tgz 2013-01-08 15:54:39 +01:00