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172 Commits

Author SHA1 Message Date
Thomas Schoebel-Theuer 7b998de219 infra: add mars_readlink() 2013-01-23 20:06:53 +01:00
Thomas Schoebel-Theuer ab7766e829 infra: qiet harmless stat error 2013-01-23 20:06:53 +01:00
Thomas Schoebel-Theuer 2f74813ce6 light: fix opportunity for bad end_pos computation 2013-01-23 20:06:52 +01:00
Thomas Schoebel-Theuer 1a25b0c57a light: fix hangs caused by bad replay links 2013-01-23 20:06:52 +01:00
Thomas Schoebel-Theuer 3aebe8de7f mars_proc: improve naming conventions and access flags 2013-01-23 20:06:52 +01:00
Thomas Schoebel-Theuer 58a0db4280 light: improve debugging of replaylink 2013-01-23 20:06:52 +01:00
Thomas Schoebel-Theuer db19f86347 if: allow open() only when switched on 2013-01-23 20:06:51 +01:00
Thomas Schoebel-Theuer d1469b5b83 infra: better statistics on object/aspect allocations 2013-01-23 20:06:51 +01:00
Thomas Schoebel-Theuer 23c4a1cc57 proc: show lamport clock in /proc/sys/mars/ 2013-01-23 20:06:51 +01:00
Thomas Schoebel-Theuer af5c95317c light: fix potential NULL ptr deref 2013-01-23 20:06:51 +01:00
Thomas Schoebel-Theuer 3f4e86427d infra: remove timeout on brick deletion 
in any case, infinite waiting is better than bombing
due to deallocated memory where threads try to continually
work on.
 2013-01-23 20:06:51 +01:00
Thomas Schoebel-Theuer 43a6c2239c net: fix release and re-open of sockets 2013-01-23 20:06:51 +01:00
Thomas Schoebel-Theuer d07aaa75c3 net: speedup struct communication 2013-01-23 20:06:51 +01:00
Thomas Schoebel-Theuer bcea0eac40 infra: fix memleak on remote dent lists 2013-01-23 20:06:51 +01:00
Thomas Schoebel-Theuer d0b5b7ce48 brick_say: allow delaying callers upon overflow 2013-01-23 20:06:50 +01:00
Thomas Schoebel-Theuer a1ec9ec5db light: fix memory leak in rot destruction 2013-01-23 20:06:50 +01:00
Thomas Schoebel-Theuer 932a4c56ef debugging: show caller line at *path_make() and friends 2013-01-23 20:06:50 +01:00
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 f88c3c12ad brick_say: separate logfiles for each resource 2013-01-23 20:06:50 +01:00
Thomas Schoebel-Theuer fdd3b251c0 all: replace kthread by brick_thread wrapper 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 569e70eb90 light: delay shutdown if buffer memory is in use 2013-01-23 20:06:49 +01:00
Thomas Schoebel-Theuer 4b94866c80 light: parameterize aio instances correctly 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 9016c81057 light: report timestamp of replay in actual-* 2013-01-20 23:24:30 +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 261fc98d4a light: use limiter for display of rates 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 11c7900acb all: replace msleep() by brick_msleep() 2013-01-20 23:24:30 +01:00
Thomas Schoebel-Theuer c1ba96f0a0 all: fix race on close of transaction log 2013-01-20 23:24:29 +01:00
Thomas Schoebel-Theuer 5365063c58 light: fix invalid version links based on outdated prev version 2013-01-20 23:24:29 +01:00
Thomas Schoebel-Theuer 64d6397711 light: fix invalid version links at logrotate (ITOPWPT-225) 2013-01-20 23:24:29 +01:00
Thomas Schoebel-Theuer 64849f9949 light: better ERR reporting in _update_versionlink() 2013-01-20 23:24:29 +01:00
Thomas Schoebel-Theuer 9f28a4ef5f mars_net: drastically speedup network 2013-01-20 23:24:29 +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 2897ddf812 light: emergency stop logging on filesystem full 2013-01-20 23:24:24 +01:00
Thomas Schoebel-Theuer 8ad0d372aa light: implement resize operation during operation 2013-01-20 23:24:24 +01:00
Thomas Schoebel-Theuer 37e5645a8e light: add actsize-* symlinks 2013-01-20 23:24:24 +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 c1417012cc light: automatic flipping between fullsync and replay 2013-01-20 23:24:24 +01:00