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<div class="title">constants.hpp</div> </div>
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<a href="src_2master_2constants_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">// Licensed to the Apache Software Foundation (ASF) under one</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment">// or more contributor license agreements. See the NOTICE file</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment">// distributed with this work for additional information</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment">// regarding copyright ownership. The ASF licenses this file</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment">// to you under the Apache License, Version 2.0 (the</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="comment">// &quot;License&quot;); you may not use this file except in compliance</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="comment">// with the License. You may obtain a copy of the License at</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="comment">// distributed under the License is distributed on an &quot;AS IS&quot; BASIS,</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="comment">// See the License for the specific language governing permissions and</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="comment">// limitations under the License.</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;</div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="preprocessor">#ifndef __MASTER_CONSTANTS_HPP__</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define __MASTER_CONSTANTS_HPP__</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="preprocessor">#include &lt;stdint.h&gt;</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;</div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="bytes_8hpp.html">stout/bytes.hpp</a>&gt;</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="duration_8hpp.html">stout/duration.hpp</a>&gt;</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;</div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="keyword">namespace </span>mesos {</div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;<span class="keyword">namespace </span>internal {</div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;<span class="keyword">namespace </span>master {</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;<span class="comment">// TODO(benh): Add units after constants.</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;<span class="comment">// TODO(benh): Also make configuration options be constants.</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;<span class="comment">// TODO(vinod): Move constants that are only used in flags to</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;<span class="comment">// &#39;master/flags.hpp&#39;.</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160;<span class="comment">// TODO(jieyu): Use static functions for all the constants. See more</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160;<span class="comment">// details in MESOS-1023.</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160;</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160;<span class="comment">// Maximum number of slot offers to have outstanding for each framework.</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"><a class="line" href="namespacemesos_1_1internal_1_1master.html#a628864afbb918b16c222b3d044ed95ed"> 39</a></span>&#160;constexpr <span class="keywordtype">int</span> <a class="code" href="namespacemesos_1_1internal_1_1master.html#a628864afbb918b16c222b3d044ed95ed">MAX_OFFERS_PER_FRAMEWORK</a> = 50;</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160;</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160;<span class="comment">// Minimum number of cpus per offer.</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"><a class="line" href="namespacemesos_1_1internal_1_1master.html#a4c1e069f768a3bccdfdcfa95b73dbb10"> 42</a></span>&#160;constexpr <span class="keywordtype">double</span> <a class="code" href="namespacemesos_1_1internal_1_1master.html#a4c1e069f768a3bccdfdcfa95b73dbb10">MIN_CPUS</a> = 0.01;</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160;</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160;<span class="comment">// Minimum amount of memory per offer.</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"><a class="line" href="namespacemesos_1_1internal_1_1master.html#ada380541a94eb17e7791e67dc5d3507f"> 45</a></span>&#160;constexpr <a class="code" href="classBytes.html">Bytes</a> <a class="code" href="namespacemesos_1_1internal_1_1master.html#ada380541a94eb17e7791e67dc5d3507f">MIN_MEM</a> = <a class="code" href="classMegabytes.html">Megabytes</a>(32);</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160;</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160;<span class="comment">// Default interval the master uses to send heartbeats to an HTTP</span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160;<span class="comment">// scheduler.</span></div>
<div class="line"><a name="l00049"></a><span class="lineno"><a class="line" href="namespacemesos_1_1internal_1_1master.html#a241384d7256ec21bea9b9e9cba24f766"> 49</a></span>&#160;constexpr <a class="code" href="classDuration.html">Duration</a> <a class="code" href="namespacemesos_1_1internal_1_1master.html#a241384d7256ec21bea9b9e9cba24f766">DEFAULT_HEARTBEAT_INTERVAL</a> = <a class="code" href="classSeconds.html">Seconds</a>(15);</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160;</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160;<span class="comment">// Amount of time within which a slave PING should be received.</span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160;<span class="comment">// NOTE: The slave uses these PING constants to determine when</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160;<span class="comment">// the master has stopped sending pings. If these are made</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160;<span class="comment">// configurable, then we&#39;ll need to rely on upper/lower bounds</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160;<span class="comment">// to ensure that the slave is not unnecessarily triggering</span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160;<span class="comment">// re-registrations.</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"><a class="line" href="namespacemesos_1_1internal_1_1master.html#a6f4673191011b3ee0728de7177602651"> 57</a></span>&#160;constexpr <a class="code" href="classDuration.html">Duration</a> <a class="code" href="namespacemesos_1_1internal_1_1master.html#a6f4673191011b3ee0728de7177602651">DEFAULT_AGENT_PING_TIMEOUT</a> = <a class="code" href="classSeconds.html">Seconds</a>(15);</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160;</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160;<span class="comment">// Maximum number of ping timeouts until slave is considered failed.</span></div>
<div class="line"><a name="l00060"></a><span class="lineno"><a class="line" href="namespacemesos_1_1internal_1_1master.html#af90683414a296615d19d715b53fb3bb2"> 60</a></span>&#160;constexpr <span class="keywordtype">size_t</span> <a class="code" href="namespacemesos_1_1internal_1_1master.html#af90683414a296615d19d715b53fb3bb2">DEFAULT_MAX_AGENT_PING_TIMEOUTS</a> = 5;</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160;</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160;<span class="comment">// The minimum timeout that can be used by a newly elected leader to</span></div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160;<span class="comment">// allow re-registration of slaves. Any slaves that do not re-register</span></div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160;<span class="comment">// within this timeout will be marked unreachable; if/when the agent</span></div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160;<span class="comment">// re-registers, non-partition-aware tasks running on the agent will</span></div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160;<span class="comment">// be terminated.</span></div>
<div class="line"><a name="l00067"></a><span class="lineno"><a class="line" href="namespacemesos_1_1internal_1_1master.html#a20e5905952444eba6901a5b9de5a29c8"> 67</a></span>&#160;constexpr <a class="code" href="classDuration.html">Duration</a> <a class="code" href="namespacemesos_1_1internal_1_1master.html#a20e5905952444eba6901a5b9de5a29c8">MIN_AGENT_REREGISTER_TIMEOUT</a> = <a class="code" href="classMinutes.html">Minutes</a>(10);</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160;</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160;<span class="comment">// Default limit on the percentage of slaves that will be removed</span></div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160;<span class="comment">// after recovering if no re-registration attempts were made.</span></div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160;<span class="comment">// TODO(bmahler): There&#39;s no value here that works for all setups.</span></div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160;<span class="comment">// Currently the default is 100% which is favorable to those running</span></div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160;<span class="comment">// small clusters or experimenting with Mesos. However, it&#39;s important</span></div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160;<span class="comment">// that we also prevent the catastrophic 100% removal case for</span></div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160;<span class="comment">// production clusters. This TODO is to provide a --production flag</span></div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160;<span class="comment">// which would allow flag defaults that are more appropriate for</span></div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160;<span class="comment">// production use-cases.</span></div>
<div class="line"><a name="l00078"></a><span class="lineno"><a class="line" href="namespacemesos_1_1internal_1_1master.html#a6ea47ae30dc62a5f7c87da68e9b1f22a"> 78</a></span>&#160;constexpr <span class="keywordtype">double</span> <a class="code" href="namespacemesos_1_1internal_1_1master.html#a6ea47ae30dc62a5f7c87da68e9b1f22a">RECOVERY_AGENT_REMOVAL_PERCENT_LIMIT</a> = 1.0; <span class="comment">// 100%.</span></div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160;</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160;<span class="comment">// Maximum number of removed slaves to store in the cache.</span></div>
<div class="line"><a name="l00081"></a><span class="lineno"><a class="line" href="namespacemesos_1_1internal_1_1master.html#af1f65c9e7a94cc3a9f0f48a4d5a1119a"> 81</a></span>&#160;constexpr <span class="keywordtype">size_t</span> <a class="code" href="namespacemesos_1_1internal_1_1master.html#af1f65c9e7a94cc3a9f0f48a4d5a1119a">MAX_REMOVED_SLAVES</a> = 100000;</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160;</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160;<span class="comment">// Default maximum number of completed frameworks to store in the cache.</span></div>
<div class="line"><a name="l00084"></a><span class="lineno"><a class="line" href="namespacemesos_1_1internal_1_1master.html#aba22004af07f12d1c2942b8800393a3d"> 84</a></span>&#160;constexpr <span class="keywordtype">size_t</span> <a class="code" href="namespacemesos_1_1internal_1_1master.html#aba22004af07f12d1c2942b8800393a3d">DEFAULT_MAX_COMPLETED_FRAMEWORKS</a> = 50;</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160;</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160;<span class="comment">// Default maximum number of completed tasks per framework</span></div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160;<span class="comment">// to store in the cache.</span></div>
<div class="line"><a name="l00088"></a><span class="lineno"><a class="line" href="namespacemesos_1_1internal_1_1master.html#af1bc8ca4f911546c928db70fc2452555"> 88</a></span>&#160;constexpr <span class="keywordtype">size_t</span> <a class="code" href="namespacemesos_1_1internal_1_1master.html#af1bc8ca4f911546c928db70fc2452555">DEFAULT_MAX_COMPLETED_TASKS_PER_FRAMEWORK</a> = 1000;</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160;</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160;<span class="comment">// Default maximum number of unreachable tasks per framework</span></div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160;<span class="comment">// to store in the cache.</span></div>
<div class="line"><a name="l00092"></a><span class="lineno"><a class="line" href="namespacemesos_1_1internal_1_1master.html#abaa1399485137f142575825c3f5641e1"> 92</a></span>&#160;constexpr <span class="keywordtype">size_t</span> <a class="code" href="namespacemesos_1_1internal_1_1master.html#abaa1399485137f142575825c3f5641e1">DEFAULT_MAX_UNREACHABLE_TASKS_PER_FRAMEWORK</a> = 1000;</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160;</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160;<span class="comment">// Time interval to check for updated watchers list.</span></div>
<div class="line"><a name="l00095"></a><span class="lineno"><a class="line" href="namespacemesos_1_1internal_1_1master.html#ad2627abddb03ef2da0bf1406f33876e6"> 95</a></span>&#160;constexpr <a class="code" href="classDuration.html">Duration</a> <a class="code" href="namespacemesos_1_1internal_1_1master.html#ad2627abddb03ef2da0bf1406f33876e6">WHITELIST_WATCH_INTERVAL</a> = <a class="code" href="classSeconds.html">Seconds</a>(5);</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160;</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160;<span class="comment">// Default number of tasks (limit) for /master/tasks endpoint.</span></div>
<div class="line"><a name="l00098"></a><span class="lineno"><a class="line" href="namespacemesos_1_1internal_1_1master.html#ac23a99c6272982c2141465de0eb7ed11"> 98</a></span>&#160;constexpr <span class="keywordtype">size_t</span> <a class="code" href="namespacemesos_1_1internal_1_1master.html#ac23a99c6272982c2141465de0eb7ed11">TASK_LIMIT</a> = 100;</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160;</div>
<div class="line"><a name="l00100"></a><span class="lineno"><a class="line" href="namespacemesos_1_1internal_1_1master.html#aa41c3e949f334a002aaf4866324c9fb8"> 100</a></span>&#160;constexpr <a class="code" href="classDuration.html">Duration</a> <a class="code" href="namespacemesos_1_1internal_1_1master.html#aa41c3e949f334a002aaf4866324c9fb8">DEFAULT_REGISTRY_GC_INTERVAL</a> = <a class="code" href="classMinutes.html">Minutes</a>(15);</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160;</div>
<div class="line"><a name="l00102"></a><span class="lineno"><a class="line" href="namespacemesos_1_1internal_1_1master.html#a15b34b0f2700b1f91685da509e105b14"> 102</a></span>&#160;constexpr <a class="code" href="classDuration.html">Duration</a> <a class="code" href="namespacemesos_1_1internal_1_1master.html#a15b34b0f2700b1f91685da509e105b14">DEFAULT_REGISTRY_MAX_AGENT_AGE</a> = <a class="code" href="classWeeks.html">Weeks</a>(2);</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160;</div>
<div class="line"><a name="l00104"></a><span class="lineno"><a class="line" href="namespacemesos_1_1internal_1_1master.html#a2064ecd8e5d504652f6b01f2c5aa5b62"> 104</a></span>&#160;constexpr <span class="keywordtype">size_t</span> <a class="code" href="namespacemesos_1_1internal_1_1master.html#a2064ecd8e5d504652f6b01f2c5aa5b62">DEFAULT_REGISTRY_MAX_AGENT_COUNT</a> = 100 * 1024;</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160;</div>
<div class="line"><a name="l00111"></a><span class="lineno"><a class="line" href="namespacemesos_1_1internal_1_1master.html#a5de4b87e242520966053b9d15adc1374"> 111</a></span>&#160;constexpr <span class="keywordtype">char</span> <a class="code" href="namespacemesos_1_1internal_1_1master.html#a5de4b87e242520966053b9d15adc1374">MASTER_INFO_LABEL</a>[] = <span class="stringliteral">&quot;info&quot;</span>;</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160;</div>
<div class="line"><a name="l00118"></a><span class="lineno"><a class="line" href="namespacemesos_1_1internal_1_1master.html#a0e384d8354dfe4fa76821ab53fadc01d"> 118</a></span>&#160;constexpr <span class="keywordtype">char</span> <a class="code" href="namespacemesos_1_1internal_1_1master.html#a0e384d8354dfe4fa76821ab53fadc01d">MASTER_INFO_JSON_LABEL</a>[] = <span class="stringliteral">&quot;json.info&quot;</span>;</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160;</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160;<span class="comment">// Timeout used for ZooKeeper related operations.</span></div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160;<span class="comment">// TODO(vinod): Master detector/contender should use this timeout.</span></div>
<div class="line"><a name="l00122"></a><span class="lineno"><a class="line" href="namespacemesos_1_1internal_1_1master.html#a5d21c5e6b6327cf87561add6b5f66f86"> 122</a></span>&#160;constexpr <a class="code" href="classDuration.html">Duration</a> <a class="code" href="namespacemesos_1_1internal_1_1master.html#a5d21c5e6b6327cf87561add6b5f66f86">ZOOKEEPER_SESSION_TIMEOUT</a> = <a class="code" href="classSeconds.html">Seconds</a>(10);</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160;</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160;<span class="comment">// Name of the default, CRAM-MD5 authenticator.</span></div>
<div class="line"><a name="l00125"></a><span class="lineno"><a class="line" href="namespacemesos_1_1internal_1_1master.html#a46feda342f353a3c4d12a61a30b32bef"> 125</a></span>&#160;constexpr <span class="keywordtype">char</span> <a class="code" href="namespacemesos_1_1internal_1_1master.html#a46feda342f353a3c4d12a61a30b32bef">DEFAULT_AUTHENTICATOR</a>[] = <span class="stringliteral">&quot;crammd5&quot;</span>;</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160;</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160;<span class="comment">// Name of the default, HierarchicalDRF authenticator.</span></div>
<div class="line"><a name="l00128"></a><span class="lineno"><a class="line" href="namespacemesos_1_1internal_1_1master.html#a60d9590f3ec2e34e1de0de1c13fc986e"> 128</a></span>&#160;constexpr <span class="keywordtype">char</span> <a class="code" href="namespacemesos_1_1internal_1_1master.html#a60d9590f3ec2e34e1de0de1c13fc986e">DEFAULT_ALLOCATOR</a>[] = <span class="stringliteral">&quot;HierarchicalDRF&quot;</span>;</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160;</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160;<span class="comment">// The default interval between allocations.</span></div>
<div class="line"><a name="l00131"></a><span class="lineno"><a class="line" href="namespacemesos_1_1internal_1_1master.html#a6eab5fd8da3226a75a83875255f69af7"> 131</a></span>&#160;constexpr <a class="code" href="classDuration.html">Duration</a> <a class="code" href="namespacemesos_1_1internal_1_1master.html#a6eab5fd8da3226a75a83875255f69af7">DEFAULT_ALLOCATION_INTERVAL</a> = <a class="code" href="classSeconds.html">Seconds</a>(1);</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160;</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160;<span class="comment">// Name of the default, local authorizer.</span></div>
<div class="line"><a name="l00134"></a><span class="lineno"><a class="line" href="namespacemesos_1_1internal_1_1master.html#ae1f57896b2073d4287cdb2c6ceb73961"> 134</a></span>&#160;constexpr <span class="keywordtype">char</span> <a class="code" href="namespacemesos_1_1internal_1_1master.html#ae1f57896b2073d4287cdb2c6ceb73961">DEFAULT_AUTHORIZER</a>[] = <span class="stringliteral">&quot;local&quot;</span>;</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160;</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160;<span class="comment">// Name of the master HTTP authentication realm for read-only endpoints.</span></div>
<div class="line"><a name="l00137"></a><span class="lineno"><a class="line" href="namespacemesos_1_1internal_1_1master.html#a2edb69bd13e8d6ec7e227f9e92d93de6"> 137</a></span>&#160;constexpr <span class="keywordtype">char</span> <a class="code" href="namespacemesos_1_1internal_1_1master.html#a2edb69bd13e8d6ec7e227f9e92d93de6">READONLY_HTTP_AUTHENTICATION_REALM</a>[] =</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160; <span class="stringliteral">&quot;mesos-master-readonly&quot;</span>;</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160;</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160;<span class="comment">// Name of the master HTTP authentication realm for read-write endpoints.</span></div>
<div class="line"><a name="l00141"></a><span class="lineno"><a class="line" href="namespacemesos_1_1internal_1_1master.html#a12e29915045c6afee4ea89306d3d6685"> 141</a></span>&#160;constexpr <span class="keywordtype">char</span> <a class="code" href="namespacemesos_1_1internal_1_1master.html#a12e29915045c6afee4ea89306d3d6685">READWRITE_HTTP_AUTHENTICATION_REALM</a>[] =</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; <span class="stringliteral">&quot;mesos-master-readwrite&quot;</span>;</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160;</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160;<span class="comment">// Name of the default authentication realm for HTTP frameworks.</span></div>
<div class="line"><a name="l00145"></a><span class="lineno"><a class="line" href="namespacemesos_1_1internal_1_1master.html#a4a098c0d8e9b38df5beadc7e35714ccc"> 145</a></span>&#160;constexpr <span class="keywordtype">char</span> <a class="code" href="namespacemesos_1_1internal_1_1master.html#a4a098c0d8e9b38df5beadc7e35714ccc">DEFAULT_HTTP_FRAMEWORK_AUTHENTICATION_REALM</a>[] =</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160; <span class="stringliteral">&quot;mesos-master-scheduler&quot;</span>;</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160;</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160;} <span class="comment">// namespace master {</span></div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160;} <span class="comment">// namespace internal {</span></div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160;} <span class="comment">// namespace mesos {</span></div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160;</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160;<span class="preprocessor">#endif // __MASTER_CONSTANTS_HPP__</span></div>
<div class="ttc" id="namespacemesos_1_1internal_1_1master_html_a241384d7256ec21bea9b9e9cba24f766"><div class="ttname"><a href="namespacemesos_1_1internal_1_1master.html#a241384d7256ec21bea9b9e9cba24f766">mesos::internal::master::DEFAULT_HEARTBEAT_INTERVAL</a></div><div class="ttdeci">constexpr Duration DEFAULT_HEARTBEAT_INTERVAL</div><div class="ttdef"><b>Definition:</b> constants.hpp:49</div></div>
<div class="ttc" id="namespacemesos_1_1internal_1_1master_html_a6f4673191011b3ee0728de7177602651"><div class="ttname"><a href="namespacemesos_1_1internal_1_1master.html#a6f4673191011b3ee0728de7177602651">mesos::internal::master::DEFAULT_AGENT_PING_TIMEOUT</a></div><div class="ttdeci">constexpr Duration DEFAULT_AGENT_PING_TIMEOUT</div><div class="ttdef"><b>Definition:</b> constants.hpp:57</div></div>
<div class="ttc" id="namespacemesos_1_1internal_1_1master_html_aa41c3e949f334a002aaf4866324c9fb8"><div class="ttname"><a href="namespacemesos_1_1internal_1_1master.html#aa41c3e949f334a002aaf4866324c9fb8">mesos::internal::master::DEFAULT_REGISTRY_GC_INTERVAL</a></div><div class="ttdeci">constexpr Duration DEFAULT_REGISTRY_GC_INTERVAL</div><div class="ttdef"><b>Definition:</b> constants.hpp:100</div></div>
<div class="ttc" id="namespacemesos_1_1internal_1_1master_html_a6ea47ae30dc62a5f7c87da68e9b1f22a"><div class="ttname"><a href="namespacemesos_1_1internal_1_1master.html#a6ea47ae30dc62a5f7c87da68e9b1f22a">mesos::internal::master::RECOVERY_AGENT_REMOVAL_PERCENT_LIMIT</a></div><div class="ttdeci">constexpr double RECOVERY_AGENT_REMOVAL_PERCENT_LIMIT</div><div class="ttdef"><b>Definition:</b> constants.hpp:78</div></div>
<div class="ttc" id="namespacemesos_1_1internal_1_1master_html_a0e384d8354dfe4fa76821ab53fadc01d"><div class="ttname"><a href="namespacemesos_1_1internal_1_1master.html#a0e384d8354dfe4fa76821ab53fadc01d">mesos::internal::master::MASTER_INFO_JSON_LABEL</a></div><div class="ttdeci">constexpr char MASTER_INFO_JSON_LABEL[]</div><div class="ttdoc">Label used by the Leader Contender and Detector, for JSON content. </div><div class="ttdef"><b>Definition:</b> constants.hpp:118</div></div>
<div class="ttc" id="namespacemesos_1_1internal_1_1master_html_a12e29915045c6afee4ea89306d3d6685"><div class="ttname"><a href="namespacemesos_1_1internal_1_1master.html#a12e29915045c6afee4ea89306d3d6685">mesos::internal::master::READWRITE_HTTP_AUTHENTICATION_REALM</a></div><div class="ttdeci">constexpr char READWRITE_HTTP_AUTHENTICATION_REALM[]</div><div class="ttdef"><b>Definition:</b> constants.hpp:141</div></div>
<div class="ttc" id="namespacemesos_1_1internal_1_1master_html_a5d21c5e6b6327cf87561add6b5f66f86"><div class="ttname"><a href="namespacemesos_1_1internal_1_1master.html#a5d21c5e6b6327cf87561add6b5f66f86">mesos::internal::master::ZOOKEEPER_SESSION_TIMEOUT</a></div><div class="ttdeci">constexpr Duration ZOOKEEPER_SESSION_TIMEOUT</div><div class="ttdef"><b>Definition:</b> constants.hpp:122</div></div>
<div class="ttc" id="classDuration_html"><div class="ttname"><a href="classDuration.html">Duration</a></div><div class="ttdef"><b>Definition:</b> duration.hpp:32</div></div>
<div class="ttc" id="namespacemesos_1_1internal_1_1master_html_a6eab5fd8da3226a75a83875255f69af7"><div class="ttname"><a href="namespacemesos_1_1internal_1_1master.html#a6eab5fd8da3226a75a83875255f69af7">mesos::internal::master::DEFAULT_ALLOCATION_INTERVAL</a></div><div class="ttdeci">constexpr Duration DEFAULT_ALLOCATION_INTERVAL</div><div class="ttdef"><b>Definition:</b> constants.hpp:131</div></div>
<div class="ttc" id="namespacemesos_1_1internal_1_1master_html_a2edb69bd13e8d6ec7e227f9e92d93de6"><div class="ttname"><a href="namespacemesos_1_1internal_1_1master.html#a2edb69bd13e8d6ec7e227f9e92d93de6">mesos::internal::master::READONLY_HTTP_AUTHENTICATION_REALM</a></div><div class="ttdeci">constexpr char READONLY_HTTP_AUTHENTICATION_REALM[]</div><div class="ttdef"><b>Definition:</b> constants.hpp:137</div></div>
<div class="ttc" id="duration_8hpp_html"><div class="ttname"><a href="duration_8hpp.html">duration.hpp</a></div></div>
<div class="ttc" id="namespacemesos_1_1internal_1_1master_html_ac23a99c6272982c2141465de0eb7ed11"><div class="ttname"><a href="namespacemesos_1_1internal_1_1master.html#ac23a99c6272982c2141465de0eb7ed11">mesos::internal::master::TASK_LIMIT</a></div><div class="ttdeci">constexpr size_t TASK_LIMIT</div><div class="ttdef"><b>Definition:</b> constants.hpp:98</div></div>
<div class="ttc" id="bytes_8hpp_html"><div class="ttname"><a href="bytes_8hpp.html">bytes.hpp</a></div></div>
<div class="ttc" id="namespacemesos_1_1internal_1_1master_html_a60d9590f3ec2e34e1de0de1c13fc986e"><div class="ttname"><a href="namespacemesos_1_1internal_1_1master.html#a60d9590f3ec2e34e1de0de1c13fc986e">mesos::internal::master::DEFAULT_ALLOCATOR</a></div><div class="ttdeci">constexpr char DEFAULT_ALLOCATOR[]</div><div class="ttdef"><b>Definition:</b> constants.hpp:128</div></div>
<div class="ttc" id="classMinutes_html"><div class="ttname"><a href="classMinutes.html">Minutes</a></div><div class="ttdef"><b>Definition:</b> duration.hpp:257</div></div>
<div class="ttc" id="classMegabytes_html"><div class="ttname"><a href="classMegabytes.html">Megabytes</a></div><div class="ttdef"><b>Definition:</b> bytes.hpp:131</div></div>
<div class="ttc" id="classSeconds_html"><div class="ttname"><a href="classSeconds.html">Seconds</a></div><div class="ttdef"><b>Definition:</b> duration.hpp:243</div></div>
<div class="ttc" id="namespacemesos_1_1internal_1_1master_html_af1bc8ca4f911546c928db70fc2452555"><div class="ttname"><a href="namespacemesos_1_1internal_1_1master.html#af1bc8ca4f911546c928db70fc2452555">mesos::internal::master::DEFAULT_MAX_COMPLETED_TASKS_PER_FRAMEWORK</a></div><div class="ttdeci">constexpr size_t DEFAULT_MAX_COMPLETED_TASKS_PER_FRAMEWORK</div><div class="ttdef"><b>Definition:</b> constants.hpp:88</div></div>
<div class="ttc" id="namespacemesos_1_1internal_1_1master_html_a5de4b87e242520966053b9d15adc1374"><div class="ttname"><a href="namespacemesos_1_1internal_1_1master.html#a5de4b87e242520966053b9d15adc1374">mesos::internal::master::MASTER_INFO_LABEL</a></div><div class="ttdeci">constexpr char MASTER_INFO_LABEL[]</div><div class="ttdoc">Label used by the Leader Contender and Detector. </div><div class="ttdef"><b>Definition:</b> constants.hpp:111</div></div>
<div class="ttc" id="namespacemesos_1_1internal_1_1master_html_abaa1399485137f142575825c3f5641e1"><div class="ttname"><a href="namespacemesos_1_1internal_1_1master.html#abaa1399485137f142575825c3f5641e1">mesos::internal::master::DEFAULT_MAX_UNREACHABLE_TASKS_PER_FRAMEWORK</a></div><div class="ttdeci">constexpr size_t DEFAULT_MAX_UNREACHABLE_TASKS_PER_FRAMEWORK</div><div class="ttdef"><b>Definition:</b> constants.hpp:92</div></div>
<div class="ttc" id="namespacemesos_1_1internal_1_1master_html_a20e5905952444eba6901a5b9de5a29c8"><div class="ttname"><a href="namespacemesos_1_1internal_1_1master.html#a20e5905952444eba6901a5b9de5a29c8">mesos::internal::master::MIN_AGENT_REREGISTER_TIMEOUT</a></div><div class="ttdeci">constexpr Duration MIN_AGENT_REREGISTER_TIMEOUT</div><div class="ttdef"><b>Definition:</b> constants.hpp:67</div></div>
<div class="ttc" id="namespacemesos_1_1internal_1_1master_html_a46feda342f353a3c4d12a61a30b32bef"><div class="ttname"><a href="namespacemesos_1_1internal_1_1master.html#a46feda342f353a3c4d12a61a30b32bef">mesos::internal::master::DEFAULT_AUTHENTICATOR</a></div><div class="ttdeci">constexpr char DEFAULT_AUTHENTICATOR[]</div><div class="ttdef"><b>Definition:</b> constants.hpp:125</div></div>
<div class="ttc" id="namespacemesos_1_1internal_1_1master_html_af1f65c9e7a94cc3a9f0f48a4d5a1119a"><div class="ttname"><a href="namespacemesos_1_1internal_1_1master.html#af1f65c9e7a94cc3a9f0f48a4d5a1119a">mesos::internal::master::MAX_REMOVED_SLAVES</a></div><div class="ttdeci">constexpr size_t MAX_REMOVED_SLAVES</div><div class="ttdef"><b>Definition:</b> constants.hpp:81</div></div>
<div class="ttc" id="namespacemesos_1_1internal_1_1master_html_a15b34b0f2700b1f91685da509e105b14"><div class="ttname"><a href="namespacemesos_1_1internal_1_1master.html#a15b34b0f2700b1f91685da509e105b14">mesos::internal::master::DEFAULT_REGISTRY_MAX_AGENT_AGE</a></div><div class="ttdeci">constexpr Duration DEFAULT_REGISTRY_MAX_AGENT_AGE</div><div class="ttdef"><b>Definition:</b> constants.hpp:102</div></div>
<div class="ttc" id="namespacemesos_1_1internal_1_1master_html_ae1f57896b2073d4287cdb2c6ceb73961"><div class="ttname"><a href="namespacemesos_1_1internal_1_1master.html#ae1f57896b2073d4287cdb2c6ceb73961">mesos::internal::master::DEFAULT_AUTHORIZER</a></div><div class="ttdeci">constexpr char DEFAULT_AUTHORIZER[]</div><div class="ttdef"><b>Definition:</b> constants.hpp:134</div></div>
<div class="ttc" id="namespacemesos_1_1internal_1_1master_html_a4a098c0d8e9b38df5beadc7e35714ccc"><div class="ttname"><a href="namespacemesos_1_1internal_1_1master.html#a4a098c0d8e9b38df5beadc7e35714ccc">mesos::internal::master::DEFAULT_HTTP_FRAMEWORK_AUTHENTICATION_REALM</a></div><div class="ttdeci">constexpr char DEFAULT_HTTP_FRAMEWORK_AUTHENTICATION_REALM[]</div><div class="ttdef"><b>Definition:</b> constants.hpp:145</div></div>
<div class="ttc" id="namespacemesos_1_1internal_1_1master_html_a2064ecd8e5d504652f6b01f2c5aa5b62"><div class="ttname"><a href="namespacemesos_1_1internal_1_1master.html#a2064ecd8e5d504652f6b01f2c5aa5b62">mesos::internal::master::DEFAULT_REGISTRY_MAX_AGENT_COUNT</a></div><div class="ttdeci">constexpr size_t DEFAULT_REGISTRY_MAX_AGENT_COUNT</div><div class="ttdef"><b>Definition:</b> constants.hpp:104</div></div>
<div class="ttc" id="namespacemesos_1_1internal_1_1master_html_af90683414a296615d19d715b53fb3bb2"><div class="ttname"><a href="namespacemesos_1_1internal_1_1master.html#af90683414a296615d19d715b53fb3bb2">mesos::internal::master::DEFAULT_MAX_AGENT_PING_TIMEOUTS</a></div><div class="ttdeci">constexpr size_t DEFAULT_MAX_AGENT_PING_TIMEOUTS</div><div class="ttdef"><b>Definition:</b> constants.hpp:60</div></div>
<div class="ttc" id="namespacemesos_1_1internal_1_1master_html_aba22004af07f12d1c2942b8800393a3d"><div class="ttname"><a href="namespacemesos_1_1internal_1_1master.html#aba22004af07f12d1c2942b8800393a3d">mesos::internal::master::DEFAULT_MAX_COMPLETED_FRAMEWORKS</a></div><div class="ttdeci">constexpr size_t DEFAULT_MAX_COMPLETED_FRAMEWORKS</div><div class="ttdef"><b>Definition:</b> constants.hpp:84</div></div>
<div class="ttc" id="classBytes_html"><div class="ttname"><a href="classBytes.html">Bytes</a></div><div class="ttdef"><b>Definition:</b> bytes.hpp:30</div></div>
<div class="ttc" id="namespacemesos_1_1internal_1_1master_html_a628864afbb918b16c222b3d044ed95ed"><div class="ttname"><a href="namespacemesos_1_1internal_1_1master.html#a628864afbb918b16c222b3d044ed95ed">mesos::internal::master::MAX_OFFERS_PER_FRAMEWORK</a></div><div class="ttdeci">constexpr int MAX_OFFERS_PER_FRAMEWORK</div><div class="ttdef"><b>Definition:</b> constants.hpp:39</div></div>
<div class="ttc" id="namespacemesos_1_1internal_1_1master_html_ad2627abddb03ef2da0bf1406f33876e6"><div class="ttname"><a href="namespacemesos_1_1internal_1_1master.html#ad2627abddb03ef2da0bf1406f33876e6">mesos::internal::master::WHITELIST_WATCH_INTERVAL</a></div><div class="ttdeci">constexpr Duration WHITELIST_WATCH_INTERVAL</div><div class="ttdef"><b>Definition:</b> constants.hpp:95</div></div>
<div class="ttc" id="namespacemesos_1_1internal_1_1master_html_ada380541a94eb17e7791e67dc5d3507f"><div class="ttname"><a href="namespacemesos_1_1internal_1_1master.html#ada380541a94eb17e7791e67dc5d3507f">mesos::internal::master::MIN_MEM</a></div><div class="ttdeci">constexpr Bytes MIN_MEM</div><div class="ttdef"><b>Definition:</b> constants.hpp:45</div></div>
<div class="ttc" id="classWeeks_html"><div class="ttname"><a href="classWeeks.html">Weeks</a></div><div class="ttdef"><b>Definition:</b> duration.hpp:299</div></div>
<div class="ttc" id="namespacemesos_1_1internal_1_1master_html_a4c1e069f768a3bccdfdcfa95b73dbb10"><div class="ttname"><a href="namespacemesos_1_1internal_1_1master.html#a4c1e069f768a3bccdfdcfa95b73dbb10">mesos::internal::master::MIN_CPUS</a></div><div class="ttdeci">constexpr double MIN_CPUS</div><div class="ttdef"><b>Definition:</b> constants.hpp:42</div></div>
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