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Subject: [Bitcoin-development] What is the danger if bitcoind startted with
	-flushwallet=false ?
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Hi everybody,

    I tried to reduce the IO of bitcoind, and I found '-flushwallet=false'.
After trying it, my IO reduced greatly.
    But why 'flushwallet' is true by default? Is there any danger if
closing the flush wallet thread?
    I lost all my coins in testnet after one crash with
'-flushwallet=false', was this because of no flush wallet thread?




  --
  Qing Qing Pan
  okcoin.com

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<div dir=3D"ltr"><span style=3D"color:rgb(0,0,0);font-family:&#39;lucida Gr=
ande&#39;,Verdana;font-size:14px;font-style:normal;font-variant:normal;font=
-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;te=
xt-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;displ=
ay:inline!important;float:none;background-color:rgb(255,255,255)">Hi everyb=
ody,</span><br style=3D"color:rgb(0,0,0);font-family:&#39;lucida Grande&#39=
;,Verdana;font-size:14px;font-style:normal;font-variant:normal;font-weight:=
normal;letter-spacing:normal;line-height:normal;text-align:start;text-inden=
t:0px;text-transform:none;white-space:normal;word-spacing:0px;background-co=
lor:rgb(255,255,255)">

<br style=3D"color:rgb(0,0,0);font-family:&#39;lucida Grande&#39;,Verdana;f=
ont-size:14px;font-style:normal;font-variant:normal;font-weight:normal;lett=
er-spacing:normal;line-height:normal;text-align:start;text-indent:0px;text-=
transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255=
,255,255)">

<span style=3D"color:rgb(0,0,0);font-family:&#39;lucida Grande&#39;,Verdana=
;font-size:14px;font-style:normal;font-variant:normal;font-weight:normal;le=
tter-spacing:normal;line-height:normal;text-align:start;text-indent:0px;tex=
t-transform:none;white-space:normal;word-spacing:0px;display:inline!importa=
nt;float:none;background-color:rgb(255,255,255)">=C2=A0=C2=A0=C2=A0 I tried=
 to reduce the IO of bitcoind, and I found &#39;-flushwallet=3Dfalse&#39;. =
After trying it, my IO reduced greatly.</span><br style=3D"color:rgb(0,0,0)=
;font-family:&#39;lucida Grande&#39;,Verdana;font-size:14px;font-style:norm=
al;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height=
:normal;text-align:start;text-indent:0px;text-transform:none;white-space:no=
rmal;word-spacing:0px;background-color:rgb(255,255,255)">

<span style=3D"color:rgb(0,0,0);font-family:&#39;lucida Grande&#39;,Verdana=
;font-size:14px;font-style:normal;font-variant:normal;font-weight:normal;le=
tter-spacing:normal;line-height:normal;text-align:start;text-indent:0px;tex=
t-transform:none;white-space:normal;word-spacing:0px;display:inline!importa=
nt;float:none;background-color:rgb(255,255,255)">=C2=A0=C2=A0=C2=A0 But why=
 &#39;flushwallet&#39; is true by default? Is there any danger if closing t=
he flush wallet thread?</span><br style=3D"color:rgb(0,0,0);font-family:&#3=
9;lucida Grande&#39;,Verdana;font-size:14px;font-style:normal;font-variant:=
normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-ali=
gn:start;text-indent:0px;text-transform:none;white-space:normal;word-spacin=
g:0px;background-color:rgb(255,255,255)">

<span style=3D"color:rgb(0,0,0);font-family:&#39;lucida Grande&#39;,Verdana=
;font-size:14px;font-style:normal;font-variant:normal;font-weight:normal;le=
tter-spacing:normal;line-height:normal;text-align:start;text-indent:0px;tex=
t-transform:none;white-space:normal;word-spacing:0px;display:inline!importa=
nt;float:none;background-color:rgb(255,255,255)">=C2=A0=C2=A0=C2=A0 I lost =
all my coins in testnet after one crash with &#39;-flushwallet=3Dfalse&#39;=
, was this because of no flush wallet thread?</span><br style=3D"color:rgb(=
0,0,0);font-family:&#39;lucida Grande&#39;,Verdana;font-size:14px;font-styl=
e:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-=
height:normal;text-align:start;text-indent:0px;text-transform:none;white-sp=
ace:normal;word-spacing:0px;background-color:rgb(255,255,255)">

<br style=3D"color:rgb(0,0,0);font-family:&#39;lucida Grande&#39;,Verdana;f=
ont-size:14px;font-style:normal;font-variant:normal;font-weight:normal;lett=
er-spacing:normal;line-height:normal;text-align:start;text-indent:0px;text-=
transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255=
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