On Tue, 2005-07-26 at 15:10 -0700, Andrew Morton wrote: > Badari Pulavarty <[EMAIL PROTECTED]> wrote: > > > > On Tue, 2005-07-26 at 14:24 -0700, Andrew Morton wrote: > > > Badari Pulavarty <[EMAIL PROTECTED]> wrote: > > > > > > > > ext2 is incredibly better. Machine is very responsive. > > > > > > > > > > OK. Please, always monitor and send /proc/meminfo. I assume that the > > > dirty-memory clamping is working OK with ext2 and that perhaps it'll work > > > OK with ext3/data=writeback. > > > > Nope. Dirty is still very high.. > > That's a relief in a way. Can you please try decreasing the number of > filesystems now?
Here is the data with 5 ext2 filesystems. I also collected /proc/meminfo every 5 seconds. As you can see, we seem to dirty 6GB of data in 20 seconds of starting the test. I am not sure if its bad, since we have lots of free memory.. Thanks, Badari
procs -----------memory---------- ---swap-- -----io---- --system-- ----cpu---- r b swpd free buff cache si so bi bo in cs us sy id wa 2 11 120 32912 10624 6813476 0 0 0 6766 10364 485 0 4 0 96 0 11 120 33036 10652 6813964 0 0 2 8889 10079 475 0 4 0 96 0 11 120 33036 10712 6813904 0 0 0 8077 9984 469 0 4 0 96 0 11 120 32912 10752 6814380 0 0 0 15576 10226 514 0 4 0 95 0 11 120 33036 10668 6813432 0 0 0 11334 10112 488 0 4 0 96 0 11 120 33656 10600 6813500 0 0 0 11811 10238 497 0 4 0 96 0 11 120 33036 10596 6814020 0 0 0 12713 10191 489 0 4 0 96 0 11 120 33036 10648 6813968 0 0 1 15775 10195 508 0 4 0 96 0 10 120 33780 10656 6812928 0 0 2 5390 10265 503 0 3 5 92 0 11 120 33036 10660 6813440 0 0 0 9700 10217 518 0 4 2 94
MemTotal: 7143628 kB MemFree: 7001860 kB Buffers: 5080 kB Cached: 23300 kB SwapCached: 0 kB Active: 48600 kB Inactive: 5872 kB HighTotal: 0 kB HighFree: 0 kB LowTotal: 7143628 kB LowFree: 7001860 kB SwapTotal: 1048784 kB SwapFree: 1048780 kB Dirty: 0 kB Writeback: 0 kB Mapped: 45948 kB Slab: 56348 kB CommitLimit: 4620596 kB Committed_AS: 148436 kB PageTables: 1544 kB VmallocTotal: 34359738367 kB VmallocUsed: 9888 kB VmallocChunk: 34359728447 kB HugePages_Total: 0 HugePages_Free: 0 Hugepagesize: 2048 kB MemTotal: 7143628 kB MemFree: 4871864 kB Buffers: 14564 kB Cached: 2091232 kB SwapCached: 0 kB Active: 51380 kB Inactive: 2081780 kB HighTotal: 0 kB HighFree: 0 kB LowTotal: 7143628 kB LowFree: 4871864 kB SwapTotal: 1048784 kB SwapFree: 1048780 kB Dirty: 2070752 kB Writeback: 0 kB Mapped: 46368 kB Slab: 107912 kB CommitLimit: 4620596 kB Committed_AS: 148524 kB PageTables: 1608 kB VmallocTotal: 34359738367 kB VmallocUsed: 9888 kB VmallocChunk: 34359728447 kB HugePages_Total: 0 HugePages_Free: 0 Hugepagesize: 2048 kB MemTotal: 7143628 kB MemFree: 406384 kB Buffers: 18940 kB Cached: 6443960 kB SwapCached: 0 kB Active: 55688 kB Inactive: 6435048 kB HighTotal: 0 kB HighFree: 0 kB LowTotal: 7143628 kB LowFree: 406384 kB SwapTotal: 1048784 kB SwapFree: 1048780 kB Dirty: 6144652 kB Writeback: 252152 kB Mapped: 46380 kB Slab: 216580 kB CommitLimit: 4620596 kB Committed_AS: 148756 kB PageTables: 1608 kB VmallocTotal: 34359738367 kB VmallocUsed: 9888 kB VmallocChunk: 34359728447 kB HugePages_Total: 0 HugePages_Free: 0 Hugepagesize: 2048 kB MemTotal: 7143628 kB MemFree: 32772 kB Buffers: 10028 kB Cached: 6817680 kB SwapCached: 4 kB Active: 48180 kB Inactive: 6804552 kB HighTotal: 0 kB HighFree: 0 kB LowTotal: 7143628 kB LowFree: 32772 kB SwapTotal: 1048784 kB SwapFree: 1048664 kB Dirty: 6489496 kB Writeback: 285264 kB Mapped: 46000 kB Slab: 228172 kB CommitLimit: 4620596 kB Committed_AS: 148756 kB PageTables: 1608 kB VmallocTotal: 34359738367 kB VmallocUsed: 9888 kB VmallocChunk: 34359728447 kB HugePages_Total: 0 HugePages_Free: 0 Hugepagesize: 2048 kB MemTotal: 7143628 kB MemFree: 32524 kB Buffers: 10056 kB Cached: 6816620 kB SwapCached: 4 kB Active: 48672 kB Inactive: 6803212 kB HighTotal: 0 kB HighFree: 0 kB LowTotal: 7143628 kB LowFree: 32524 kB SwapTotal: 1048784 kB SwapFree: 1048664 kB Dirty: 6465124 kB Writeback: 268876 kB Mapped: 46008 kB Slab: 229580 kB CommitLimit: 4620596 kB Committed_AS: 148996 kB PageTables: 1608 kB VmallocTotal: 34359738367 kB VmallocUsed: 9888 kB VmallocChunk: 34359728447 kB HugePages_Total: 0 HugePages_Free: 0 Hugepagesize: 2048 kB
