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From YouTube: 2019-07-25 :: Ceph Performance Meeting
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A
All
right,
yeah,
that's
a
rgw
request
here
to
remove
a
data
copy
Eric,
it's
a
double
caching
one!
That's
gonna
be
based
on
top
of
what
you're
merging
now,
okay,
so.
A
We
should
pack
imported,
we
should
let
it
bacon
master
for
a
little
bit,
but
we
should
back
for
no,
because
it's
it's
a
pretty
significant
speed
up,
though.
B
A
A
B
Others
there's
two
outstanding
pull
requests,
there's
one
that
redoes
the
cache
or,
like
you
know
like
sorry,
this
is
the
one
that
does
the
trim
change
and
then
also
splits,
the
Oh
nodes
and
the
the
buffers
out
there's
another
FPR
that
avoids
double
caching
own
ODEs
in
the
rocks,
TV
block
hash,
and
that
one
is
the
one
that
requires
not
just
format
change
that
is
based
on
Adams,
theoretically,
based
on
top
of
Adams
thing,
but
it
applies
to
master
right.
Now
is
current.
B
B
A
Would
be
the
thing
I
mean
he
said
it
needs
to
be
a
optional
thing
where
you
either
do
a
a
blue
search,
will
repair
to
do
a
conversion
or
you
know,
Steve
and.
A
Okay,
all
right,
I
think
the
biggest
question
here
is
really
about
charting.
We
need
to
be
really
careful
there.
If
we
backboard
it,
then
we
need
to
do
it
in
a
way
that
it's
probably
off
by
default
and
as
the
seamless
or
existing
OS
DS.
If
the.
C
C
B
B
A
All
right
and
there's
also
this
blue
star
one
eye
just
reduces
way
cuts.
Reach
reveal
needs
to
be
tested.
Oh
map
testing,
I'm,
not
familiar
with
that
one
there's
one
that
turns
on
the
PG
autoscaler,
always
for
octopus,
that's
merged,
oh,
so
the
rock
City
full
request
did
merge
that
the
bill.
Does
you
with
the
standard
or
whatever
is
ela,
was
fixed
yep.
B
D
A
B
B
A
A
Now
these
are
really
worth
talking
about
right
now.
Well,
it's
on
the
agenda.
Oh
yeah,
it's
nothing!
Yet
should
we
should
we
talk
about
what
the
plan
is
for
all
their
works
to
be
and
blue
store,
backboards,
yeah,
sure
Josh
yeah,
so
I
can
get
it
straight
in
my
head,
though,
master
is
now
but
1.2,
which
adds
arm
range
nautilus,
though
the
blunt
the
first
thing
we
wanted
for
nautilus
was.
C
A
B
B
A
Right,
but
we
do
want
six
one
two
for
the
arm
reach
yes,
I
mean
we
have
time
to
let
that
make
sure
that
work
is
working
right
in
master
okay,
but
we
also
want
that
read
ahead
stuff
in
luminous
right,
because
we
have
users
who
are
seeing
the
slow
start
up
times
and
getting
LST
timeouts
after
deleting
a
pulpy
geez
of
objects
and
and
so
on.
Right,
yes,
even
without
leads
I
think
what
about
the
OMAP
tale
happened
to
remember.
That
part
was
back
for
because
that's
the
other
piece.
A
A
A
This
is
the
tutor,
so
I
could
do
that
and
then,
if
we
wanted
to
update
so
I
think
the
question
is
then:
if
we
want
to
update
rocks
to
be
in
Munich
and
Nautilus
in
order
to
fix
the
iterator
problem,
do
we
move
to
the
version?
That's
a
nautilus
right
now
or
do
we
go
to
this
even
further
forward,
one
that
does
two
armed
range.
B
A
B
A
A
Yeah,
the
port
ours
to
be
prefetch.
This
is
full
request
in
the
chat
here
rocks.
We
need
the
prefetch
method
implementation
in
order
to
perform
a
tad
for
buffer
grades
dopher.
Maybe
for
directories.
That's
not
the
case.
I
don't
know
whatever,
but
yeah
it
has
a
prefetch
call.
We
have
to
implement
that
just
does
a
read:
okay,.
B
And
but
for
compaction
read
ahead,
we
should
already
be
doing
that
pretty
well
I,
don't
I!
Don't
remember
that
we
said
just
a
default
like
2
megabyte
read
ahead
for
compaction
back
like
a
year
or
two
ago,
two
years
ago
we
fit
right.
A
B
A
C
Other
thing
I
needs
to
earn
our
ax
to
be.
If
you
wanted
to
back
quite
at
further
the
Nautilus,
it's
the
convection
threads
equals
to
its
mark
Y.
If
you
never
there's
a
bug,
fix
yeah.
Sorry.
B
B
B
A
A
I,
don't
know
I
mean
my
hope
is
that
by
the
time
people
get
to
know,
let's
say
like
won't,
have
these
objects
anymore,
but
who
knows
we're
back
porting
all
the
monitoring
stuff
voluminous
to
like
identify
these
big
map
objects.
Those.
A
A
Anyway,
okay,
well,
that
that
seems
like
a
reasonable
plan
to
me.
That's
the
more
conservative
path,
that's
supposed
to
the
latest
greatest
I,
wonder
if
there's
a
five
17.3
or
something
or
there
there
are
a
couple
of
intermediate
ones
like
within
that
stable
like
a
stable
series
or
something
like
that.
I,
don't
know:
I,
don't.
A
B
A
A
Is
that
right,
no
compactions
are
okay,
sorry
declan
is
equals
to
what
was
the
dependence
on
the
confections
tooth.
There's
a
bug,
Oh
version.