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optionsdialog.ui
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<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
<class>OptionsDialog</class>
<widget class="QDialog" name="OptionsDialog">
<property name="windowModality">
<enum>Qt::WindowModal</enum>
</property>
<property name="geometry">
<rect>
<x>0</x>
<y>0</y>
<width>512</width>
<height>363</height>
</rect>
</property>
<property name="windowTitle">
<string>ParPar - Options</string>
</property>
<layout class="QVBoxLayout" name="verticalLayout">
<item>
<widget class="QTabWidget" name="tabWidget">
<property name="currentIndex">
<number>0</number>
</property>
<widget class="QWidget" name="tab">
<attribute name="title">
<string>General</string>
</attribute>
<layout class="QVBoxLayout" name="verticalLayout_4">
<item>
<widget class="QGroupBox" name="groupBox_5">
<property name="sizePolicy">
<sizepolicy hsizetype="Preferred" vsizetype="Maximum">
<horstretch>0</horstretch>
<verstretch>0</verstretch>
</sizepolicy>
</property>
<property name="title">
<string>ParPar Executable</string>
</property>
<layout class="QFormLayout" name="formLayout_5">
<item row="0" column="0">
<widget class="QLabel" name="label">
<property name="text">
<string>ParPar binary/script</string>
</property>
<property name="buddy">
<cstring>txtPathParPar</cstring>
</property>
</widget>
</item>
<item row="0" column="1">
<layout class="QHBoxLayout" name="horizontalLayout_5">
<item>
<widget class="QLineEdit" name="txtPathParPar">
<property name="toolTip">
<string><html><head/><body><p>The ParPar executable, or main script (.js) file</p></body></html></string>
</property>
</widget>
</item>
<item>
<widget class="QPushButton" name="btnPathParPar">
<property name="text">
<string>Browse...</string>
</property>
</widget>
</item>
</layout>
</item>
<item row="1" column="0">
<widget class="QCheckBox" name="chkPathNode">
<property name="text">
<string>Node.js engine</string>
</property>
</widget>
</item>
<item row="1" column="1">
<layout class="QHBoxLayout" name="horizontalLayout_6">
<item>
<widget class="QLineEdit" name="txtPathNode">
<property name="enabled">
<bool>false</bool>
</property>
<property name="toolTip">
<string><html><head/><body><p>If a script file was provided above, choose the Node.js executable here</p></body></html></string>
</property>
</widget>
</item>
<item>
<widget class="QPushButton" name="btnPathNode">
<property name="enabled">
<bool>false</bool>
</property>
<property name="text">
<string>Browse...</string>
</property>
</widget>
</item>
</layout>
</item>
</layout>
</widget>
</item>
<item>
<layout class="QHBoxLayout" name="horizontalLayout_4" stretch="0,0">
<item>
<layout class="QVBoxLayout" name="verticalLayout_6">
<item>
<widget class="QGroupBox" name="groupBox_6">
<property name="maximumSize">
<size>
<width>260</width>
<height>16777215</height>
</size>
</property>
<property name="title">
<string>PAR2 Options</string>
</property>
<layout class="QFormLayout" name="formLayout_4">
<item row="0" column="0">
<widget class="QLabel" name="unicodePacketsLabel">
<property name="text">
<string>Unicode packets</string>
</property>
<property name="buddy">
<cstring>cboUnicode</cstring>
</property>
</widget>
</item>
<item row="0" column="1">
<widget class="QComboBox" name="cboUnicode">
<property name="maximumSize">
<size>
<width>120</width>
<height>16777215</height>
</size>
</property>
<property name="toolTip">
<string><html><head/><body><p>Whether to include PAR2 &quot;Unicode&quot; (UTF-16) packets for file names and comments.</p><p>By default, will only include them if characters outside the 7-bit ASCII range are present.</p></body></html></string>
</property>
<item>
<property name="text">
<string>Auto</string>
</property>
</item>
<item>
<property name="text">
<string>Never include</string>
</property>
</item>
<item>
<property name="text">
<string>Always include</string>
</property>
</item>
</widget>
</item>
<item row="1" column="0">
<widget class="QLabel" name="LocalCharsetLabel">
<property name="text">
<string>8-bit charset</string>
</property>
<property name="buddy">
<cstring>cboCharset</cstring>
</property>
</widget>
</item>
<item row="1" column="1">
<widget class="QComboBox" name="cboCharset">
<property name="maximumSize">
<size>
<width>120</width>
<height>16777215</height>
</size>
</property>
<property name="toolTip">
<string><html><head/><body><p>The character set used to encode non-&quot;Unicode&quot; packets.</p><p>'utf8' is recommended.</p></body></html></string>
</property>
<item>
<property name="text">
<string notr="true">utf8</string>
</property>
</item>
<item>
<property name="text">
<string notr="true">latin1</string>
</property>
</item>
<item>
<property name="text">
<string notr="true">ascii</string>
</property>
</item>
</widget>
</item>
<item row="2" column="0">
<widget class="QLabel" name="label_7">
<property name="text">
<string>Packet repetition</string>
</property>
<property name="buddy">
<cstring>txtPacketMin</cstring>
</property>
</widget>
</item>
<item row="2" column="1">
<layout class="QHBoxLayout" name="horizontalLayout_7">
<item>
<widget class="QSpinBox" name="txtPacketMin">
<property name="maximumSize">
<size>
<width>60</width>
<height>16777215</height>
</size>
</property>
<property name="toolTip">
<string><html><head/><body><p>Minimum &quot;critical packet&quot; copies to store per recovery volume.<br/>Also defines the number of copies to store in the index file.</p></body></html></string>
</property>
<property name="minimum">
<number>1</number>
</property>
</widget>
</item>
<item>
<widget class="QLabel" name="label_13">
<property name="sizePolicy">
<sizepolicy hsizetype="Fixed" vsizetype="Preferred">
<horstretch>0</horstretch>
<verstretch>0</verstretch>
</sizepolicy>
</property>
<property name="text">
<string notr="true">-</string>
</property>
<property name="buddy">
<cstring>txtPacketMax</cstring>
</property>
</widget>
</item>
<item>
<widget class="QSpinBox" name="txtPacketMax">
<property name="maximumSize">
<size>
<width>60</width>
<height>16777215</height>
</size>
</property>
<property name="toolTip">
<string><html><head/><body><p>Maximum &quot;critical packet&quot; copies to store per recovery volume.<br/>The number of copies is computed by taking a base-2 logarithm of the number of recovery packets in the file, so this value sets an upper limit.</p><p>Note that a value above 16 is meaningless unless the minimum value is higher.</p></body></html></string>
</property>
<property name="minimum">
<number>1</number>
</property>
<property name="maximum">
<number>16</number>
</property>
<property name="value">
<number>16</number>
</property>
</widget>
</item>
</layout>
</item>
<item row="3" column="0" colspan="2">
<widget class="QCheckBox" name="chkStdNaming">
<property name="toolTip">
<string><html><head/><body><p>Use standard naming scheme for recovery files, instead of that popularized by par2cmdline.</p><p>Output names will look like <span style=" font-weight:700; font-style:italic;">xxx</span><span style=" font-weight:700;">.vol</span><span style=" font-weight:700; font-style:italic;">12</span><span style=" font-weight:700;">-</span><span style=" font-weight:700; font-style:italic;">22</span><span style=" font-weight:700;">.par2</span> instead of <span style=" font-weight:700; font-style:italic;">xxx</span><span style=" font-weight:700;">.vol</span><span style=" font-weight:700; font-style:italic;">12</span><span style=" font-weight:700;">+</span><span style=" font-weight:700; font-style:italic;">10</span><span style=" font-weight:700;">.par2</span></p></body></html></string>
</property>
<property name="text">
<string>Use spec-defined volume naming</string>
</property>
</widget>
</item>
</layout>
</widget>
</item>
</layout>
</item>
<item>
<layout class="QVBoxLayout" name="verticalLayout_8">
<item>
<widget class="QGroupBox" name="groupBox_7">
<property name="maximumSize">
<size>
<width>340</width>
<height>16777215</height>
</size>
</property>
<property name="title">
<string>Default Slice Allocation</string>
</property>
<layout class="QGridLayout" name="gridLayout" rowstretch="0,0,0,0,100" columnstretch="0,5,3">
<item row="3" column="2">
<widget class="QSpinBox" name="txtSliceLimit">
<property name="sizePolicy">
<sizepolicy hsizetype="Preferred" vsizetype="Fixed">
<horstretch>0</horstretch>
<verstretch>0</verstretch>
</sizepolicy>
</property>
<property name="maximumSize">
<size>
<width>100</width>
<height>16777215</height>
</size>
</property>
<property name="minimum">
<number>1</number>
</property>
<property name="maximum">
<number>32768</number>
</property>
<property name="value">
<number>32768</number>
</property>
</widget>
</item>
<item row="1" column="1">
<widget class="QComboBox" name="cboAllocRecMode">
<property name="maximumSize">
<size>
<width>150</width>
<height>16777215</height>
</size>
</property>
<property name="toolTip">
<string><html><head/><body><p>The default allocation for recovery slices. This can be:</p><p><span style=" font-style:italic;">By source ratio</span>: the ratio of recovery to generate, based on the number of source slices<span style=" font-style:italic;"><br/>By slice count</span>: exact number of recovery slices to generate<br/><span style=" font-style:italic;">By total size</span>: target amount of recovery to generate, based on total recovery data size</p></body></html></string>
</property>
<item>
<property name="text">
<string>By source ratio</string>
</property>
</item>
<item>
<property name="text">
<string>By slice count</string>
</property>
</item>
<item>
<property name="text">
<string>By total size</string>
</property>
</item>
</widget>
</item>
<item row="0" column="0">
<widget class="QLabel" name="label_5">
<property name="sizePolicy">
<sizepolicy hsizetype="Fixed" vsizetype="Preferred">
<horstretch>0</horstretch>
<verstretch>0</verstretch>
</sizepolicy>
</property>
<property name="text">
<string>Source</string>
</property>
<property name="buddy">
<cstring>cboAllocInMode</cstring>
</property>
</widget>
</item>
<item row="1" column="2">
<widget class="QStackedWidget" name="stkAllocRec">
<property name="maximumSize">
<size>
<width>100</width>
<height>16777215</height>
</size>
</property>
<property name="currentIndex">
<number>0</number>
</property>
<widget class="QWidget" name="page_6">
<layout class="QHBoxLayout" name="horizontalLayout_12">
<property name="leftMargin">
<number>0</number>
</property>
<property name="topMargin">
<number>0</number>
</property>
<property name="rightMargin">
<number>0</number>
</property>
<property name="bottomMargin">
<number>0</number>
</property>
<item>
<widget class="QDoubleSpinBox" name="txtAllocRecRatio">
<property name="sizePolicy">
<sizepolicy hsizetype="Preferred" vsizetype="Fixed">
<horstretch>0</horstretch>
<verstretch>0</verstretch>
</sizepolicy>
</property>
<property name="suffix">
<string notr="true">%</string>
</property>
<property name="maximum">
<double>6553500.000000000000000</double>
</property>
<property name="value">
<double>10.000000000000000</double>
</property>
</widget>
</item>
</layout>
</widget>
<widget class="QWidget" name="page_7">
<layout class="QHBoxLayout" name="horizontalLayout_14">
<property name="leftMargin">
<number>0</number>
</property>
<property name="topMargin">
<number>0</number>
</property>
<property name="rightMargin">
<number>0</number>
</property>
<property name="bottomMargin">
<number>0</number>
</property>
<item>
<widget class="QSpinBox" name="txtAllocRecCount">
<property name="maximum">
<number>65535</number>
</property>
<property name="value">
<number>1000</number>
</property>
</widget>
</item>
</layout>
</widget>
<widget class="QWidget" name="page_8">
<layout class="QHBoxLayout" name="horizontalLayout_15">
<property name="leftMargin">
<number>0</number>
</property>
<property name="topMargin">
<number>0</number>
</property>
<property name="rightMargin">
<number>0</number>
</property>
<property name="bottomMargin">
<number>0</number>
</property>
<item>
<widget class="SizeEdit" name="txtAllocRecSize">
<property name="text">
<string>100M</string>
</property>
</widget>
</item>
</layout>
</widget>
</widget>
</item>
<item row="2" column="2">
<widget class="SizeEdit" name="txtSliceMultiple">
<property name="enabled">
<bool>false</bool>
</property>
<property name="sizePolicy">
<sizepolicy hsizetype="Preferred" vsizetype="Fixed">
<horstretch>0</horstretch>
<verstretch>0</verstretch>
</sizepolicy>
</property>
<property name="minimumSize">
<size>
<width>60</width>
<height>0</height>
</size>
</property>
<property name="maximumSize">
<size>
<width>100</width>
<height>16777215</height>
</size>
</property>
<property name="text">
<string notr="true">750K</string>
</property>
</widget>
</item>
<item row="0" column="1">
<widget class="QComboBox" name="cboAllocInMode">
<property name="maximumSize">
<size>
<width>150</width>
<height>16777215</height>
</size>
</property>
<property name="toolTip">
<string><html><head/><body><p>The default allocation for source/input slices. This can be:</p><p><span style=" font-style:italic;">By size</span>: a fixed slice size<br/><span style=" font-style:italic;">By slice count</span>: target number of slices to divide source files by<br/><span style=" font-style:italic;">By count÷size</span>: target ratio between number of slices and slice size</p></body></html></string>
</property>
<item>
<property name="text">
<string>By size</string>
</property>
</item>
<item>
<property name="text">
<string>By slice count</string>
</property>
</item>
<item>
<property name="text">
<string>By count÷size</string>
</property>
</item>
</widget>
</item>
<item row="3" column="0" colspan="2">
<widget class="QLabel" name="label_8">
<property name="text">
<string>Max number of source slices</string>
</property>
<property name="buddy">
<cstring>txtSliceLimit</cstring>
</property>
</widget>
</item>
<item row="2" column="0" colspan="2">
<widget class="QCheckBox" name="chkSliceMultiple">
<property name="toolTip">
<string><html><head/><body><p>Ensure the <span style=" font-style:italic;">Source Data Slice size</span> is a multiple of specified value.</p></body></html></string>
</property>
<property name="text">
<string>Enforce slice size multiple</string>
</property>
</widget>
</item>
<item row="4" column="0" colspan="3">
<spacer name="verticalSpacer">
<property name="orientation">
<enum>Qt::Vertical</enum>
</property>
<property name="sizeHint" stdset="0">
<size>
<width>20</width>
<height>40</height>
</size>
</property>
</spacer>
</item>
<item row="0" column="2">
<widget class="QStackedWidget" name="stkAllocIn">
<property name="maximumSize">
<size>
<width>100</width>
<height>16777215</height>
</size>
</property>
<property name="currentIndex">
<number>0</number>
</property>
<widget class="QWidget" name="page_4">
<layout class="QHBoxLayout" name="horizontalLayout_11">
<property name="leftMargin">
<number>0</number>
</property>
<property name="topMargin">
<number>0</number>
</property>
<property name="rightMargin">
<number>0</number>
</property>
<property name="bottomMargin">
<number>0</number>
</property>
<item>
<widget class="SizeEdit" name="txtAllocInSize">
<property name="text">
<string>1M</string>
</property>
</widget>
</item>
</layout>
</widget>
<widget class="QWidget" name="page_5">
<layout class="QHBoxLayout" name="horizontalLayout_13">
<property name="leftMargin">
<number>0</number>
</property>
<property name="topMargin">
<number>0</number>
</property>
<property name="rightMargin">
<number>0</number>
</property>
<property name="bottomMargin">
<number>0</number>
</property>
<item>
<widget class="QSpinBox" name="txtAllocInCount">
<property name="maximum">
<number>32768</number>
</property>
<property name="value">
<number>1000</number>
</property>
</widget>
</item>
</layout>
</widget>
<widget class="QWidget" name="page_9">
<layout class="QHBoxLayout" name="horizontalLayout_16">
<property name="leftMargin">
<number>0</number>
</property>
<property name="topMargin">
<number>0</number>
</property>
<property name="rightMargin">
<number>0</number>
</property>
<property name="bottomMargin">
<number>0</number>
</property>
<item>
<widget class="QDoubleSpinBox" name="txtAllocInRatio">
<property name="sizePolicy">
<sizepolicy hsizetype="Preferred" vsizetype="Fixed">
<horstretch>0</horstretch>
<verstretch>0</verstretch>
</sizepolicy>
</property>
<property name="suffix">
<string notr="true">%</string>
</property>
<property name="maximum">
<double>819200.000000000000000</double>
</property>
<property name="singleStep">
<double>0.500000000000000</double>
</property>
<property name="value">
<double>1.000000000000000</double>
</property>
</widget>
</item>
</layout>
</widget>
</widget>
</item>
<item row="1" column="0">
<widget class="QLabel" name="label_9">
<property name="sizePolicy">
<sizepolicy hsizetype="Fixed" vsizetype="Preferred">
<horstretch>0</horstretch>
<verstretch>0</verstretch>
</sizepolicy>
</property>
<property name="text">
<string>Recovery</string>
</property>
<property name="buddy">
<cstring>cboAllocRecMode</cstring>
</property>
</widget>
</item>
</layout>
</widget>
</item>
</layout>
</item>
</layout>
</item>
<item>
<widget class="QCheckBox" name="chkRunClose">
<property name="toolTip">
<string>Close the progress window once process completes without error, or is cancelled</string>
</property>
<property name="text">
<string>Auto-close progress window</string>
</property>
</widget>
</item>
</layout>
</widget>
<widget class="QWidget" name="tab_2">
<attribute name="title">
<string>I/O Tuning</string>
</attribute>
<layout class="QVBoxLayout" name="verticalLayout_2">
<item>
<widget class="QFrame" name="horizontalFrame_2">
<property name="sizePolicy">
<sizepolicy hsizetype="Preferred" vsizetype="Fixed">
<horstretch>0</horstretch>
<verstretch>0</verstretch>
</sizepolicy>
</property>
<layout class="QHBoxLayout" name="horizontalLayout">
<property name="sizeConstraint">
<enum>QLayout::SetFixedSize</enum>
</property>
<item>
<widget class="QLabel" name="label_14">
<property name="sizePolicy">
<sizepolicy hsizetype="Preferred" vsizetype="Fixed">
<horstretch>0</horstretch>
<verstretch>0</verstretch>
</sizepolicy>
</property>
<property name="text">
<string>Tuning preset</string>
</property>
<property name="buddy">
<cstring>cboIOPreset</cstring>
</property>
</widget>
</item>
<item>
<spacer name="horizontalSpacer">
<property name="orientation">
<enum>Qt::Horizontal</enum>
</property>
<property name="sizeType">
<enum>QSizePolicy::Fixed</enum>
</property>
<property name="sizeHint" stdset="0">
<size>
<width>35</width>
<height>20</height>
</size>
</property>
</spacer>
</item>
<item>
<widget class="QComboBox" name="cboIOPreset">
<property name="sizePolicy">
<sizepolicy hsizetype="Expanding" vsizetype="Fixed">
<horstretch>0</horstretch>
<verstretch>0</verstretch>
</sizepolicy>
</property>
<property name="toolTip">
<string><html><head/><body><p>Select a I/O tuning preset based on the random I/O performance of the disk, relative to the single-threaded performance of the CPU.</p></body></html></string>
</property>
<property name="currentIndex">
<number>1</number>
</property>
<item>
<property name="text">
<string>Slow random I/O [e.g. HDD]</string>
</property>
</item>
<item>
<property name="text">
<string>Balanced (default)</string>
</property>
</item>
<item>
<property name="text">
<string>Fast random I/O [e.g. NVMe SSD]</string>
</property>
</item>
<item>
<property name="text">
<string>Custom</string>
</property>
</item>
</widget>
</item>
</layout>
</widget>
</item>
<item>
<layout class="QHBoxLayout" name="horizontalLayout_8" stretch="5,5">
<item>
<widget class="QGroupBox" name="groupBox">
<property name="title">
<string>Reading</string>
</property>
<layout class="QFormLayout" name="formLayout">
<item row="0" column="0">
<widget class="QLabel" name="readSizeLabel">
<property name="minimumSize">
<size>
<width>100</width>
<height>0</height>
</size>
</property>
<property name="text">
<string>Read size</string>
</property>
<property name="buddy">
<cstring>txtReadSize</cstring>
</property>
</widget>
</item>
<item row="0" column="1">
<widget class="SizeEdit" name="txtReadSize">
<property name="maximumSize">
<size>
<width>120</width>
<height>16777215</height>
</size>
</property>
<property name="toolTip">
<string><html><head/><body><p>The maximum amount of data which can be read in a single read call.</p><p>Larger values improves efficiency on spinning hard disks, but consumes more RAM.</p><p>This value is mostly used during sequential processing.</p></body></html></string>
</property>
<property name="text">
<string notr="true">4M</string>
</property>
</widget>
</item>
<item row="1" column="0">
<widget class="QLabel" name="readBuffersLabel">
<property name="minimumSize">
<size>
<width>100</width>
<height>0</height>
</size>
</property>
<property name="text">
<string>Read buffers</string>
</property>
<property name="buddy">
<cstring>txtReadBufs</cstring>
</property>
</widget>
</item>
<item row="1" column="1">
<widget class="QSpinBox" name="txtReadBufs">
<property name="maximumSize">
<size>
<width>120</width>
<height>16777215</height>
</size>
</property>
<property name="toolTip">
<string><html><head/><body><p>The maximum number of outstanding reads to hold in memory. Once all buffers have been filled, reading will halt until the back-end finishes processing a buffer, making it available for the next read.<br/>Larger values increase memory usage (where each buffer is sized according to <span style=" font-style:italic;">Read size</span>) but may allow for better variation and flexibility during processing.</p></body></html></string>
</property>
<property name="minimum">
<number>1</number>
</property>
<property name="maximum">
<number>32768</number>
</property>
<property name="value">
<number>8</number>
</property>
</widget>
</item>
<item row="2" column="0">
<widget class="QLabel" name="hashQueueLabel">
<property name="minimumSize">
<size>
<width>100</width>
<height>0</height>
</size>
</property>
<property name="text">
<string>Hash queue</string>
</property>
<property name="buddy">
<cstring>txtHashQueue</cstring>
</property>
</widget>
</item>
<item row="2" column="1">
<widget class="QSpinBox" name="txtHashQueue">
<property name="maximumSize">
<size>
<width>120</width>
<height>16777215</height>
</size>
</property>
<property name="toolTip">
<string><html><head/><body><p>The maximum number of outstanding unhashed <span style=" font-style:italic;">Read buffers</span> associated with a file. Once a file's hash queue has been filled, read buffers will be allocated to reading from another file. This option enables multiple files to be hashed concurrently, working around the bottleneck of single-threaded file hashing, whilst considering the fact that hard drives strongly prefer sequential reading.<br/>Larger values decrease the likelihood of reading from concurrent files. SSDs or disks with fast random access may prefer smaller values than the default.</p></body></html></string>
</property>
<property name="minimum">
<number>1</number>
</property>
<property name="maximum">
<number>32768</number>
</property>
<property name="value">
<number>5</number>
</property>
</widget>
</item>
<item row="3" column="0">
<widget class="QLabel" name="hashKernelLabel">
<property name="text">
<string>Hash kernel</string>
</property>
<property name="buddy">
<cstring>cboHashKernel</cstring>
</property>
</widget>
</item>
<item row="3" column="1">
<widget class="QComboBox" name="cboHashKernel">
<property name="maximumSize">
<size>
<width>120</width>
<height>16777215</height>
</size>
</property>
<property name="toolTip">
<string><html><head/><body><p>The kernel used to hash the input.</p><p>PAR2 requires 2x MD5 + CRC32 to be calculated on the input; the names refer to the method used for each type of hash.</p><p>Choosing a kernel unsupported by your CPU may cause ParPar to crash</p></body></html></string>
</property>
<item>
<property name="text">
<string notr="true">auto</string>
</property>
</item>
<item>
<property name="text">
<string notr="true">scalar</string>
</property>
</item>
</widget>
</item>
<item row="4" column="0">
<widget class="QLabel" name="minChunkSizeLabel_2">
<property name="text">
<string>Min chunk size</string>
</property>
<property name="buddy">
<cstring>txtMinChunk</cstring>
</property>
</widget>
</item>
<item row="4" column="1">
<widget class="SizeEdit" name="txtMinChunk">
<property name="maximumSize">
<size>
<width>120</width>
<height>16777215</height>
</size>
</property>
<property name="toolTip">
<string><html><head/><body><p>The minimum unit of data to process during chunked processing.<br/>Allowing smaller chunks generally improves efficiency, but increases per-chunk overhead.</p></body></html></string>
</property>
<property name="text">
<string notr="true">128K</string>
</property>
</widget>
</item>
<item row="5" column="0">
<widget class="QLabel" name="chunkReadThreadsLabel">
<property name="text">
<string>Chunk read threads</string>
</property>
<property name="buddy">
<cstring>txtChunkReadThreads</cstring>
</property>
</widget>
</item>
<item row="5" column="1">
<widget class="QSpinBox" name="txtChunkReadThreads">
<property name="maximumSize">
<size>
<width>120</width>
<height>16777215</height>
</size>
</property>
<property name="toolTip">
<string><html><head/><body><p>The number of concurrent read requests to issue during chunked processing.<br/>Issuing more concurrent reads may place a higher load on the disk, but could be more performant on disks which prefer higher QD random reads (like SSDs).</p></body></html></string>
</property>
<property name="minimum">
<number>1</number>
</property>
<property name="maximum">
<number>32768</number>
</property>
<property name="value">
<number>2</number>
</property>
</widget>
</item>
</layout>
</widget>
</item>
<item>
<widget class="QGroupBox" name="groupBox_2">
<property name="title">
<string>Writing</string>
</property>
<layout class="QFormLayout" name="formLayout_2">
<item row="0" column="0">
<widget class="QLabel" name="recoveryBuffersLabel">
<property name="minimumSize">
<size>
<width>100</width>
<height>0</height>
</size>
</property>
<property name="text">
<string>Recovery buffers</string>
</property>
<property name="buddy">
<cstring>txtRecBufs</cstring>
</property>