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                [TOC] # CREATE RESOURCE UNIT ## 描述 該語句用來創建資源單元配置,描述了分配硬件資源的規格,用于給租戶分配硬件資源。 ## 格式 ~~~ CREATE RESOURCE UNIT unitname MAX_CPU [=] cpunum, MAX_MEMORY [=] memsize, MAX_IOPS [=] iopsnum, MAX_DISK_SIZE [=] disksize, MAX_SESSION_NUM [=] sessionnum, [MIN_CPU [=] cpunum,] [MIN_MEMORY [=] memsize,] [MIN_IOPS [=] iopsnum] ; ~~~ ## 參數解釋 <table data-tag="table" id="table-75e-3l4-kbe" class="table"><colgroup width="375" span="1" data-tag="col" id="col-1rg-g16-xwu" colwidth="1*" colnum="1" colname="col1" style="width:50%" class="col"></colgroup><colgroup width="374" span="1" data-tag="col" id="col-j7f-npr-gmx" colwidth="1*" colnum="2" colname="col2" style="width:50%" class="col"></colgroup><thead id="thead-hbq-qvj-90z" class="thead"><tr id="tr-p31-yw9-z3d"><th id="td-ann-71v-40u"><p id="p-1z1-cye-v9b"><b>參數</b></p></th><th id="td-3f5-nou-vi0"><p id="p-w41-l8l-nly"><b>描述</b></p></th></tr></thead><tbody data-tag="tbody" id="tbody-al7-2dp-nvx" class="tbody"><tr data-tag="tr" id="tr-a8z-q76-tyu" class="tr"><td data-tag="td" id="td-kke-9qk-7zc" class="td"><p data-tag="p" id="p-s2h-ayv-p2q" class="p">MAX_CPU</p></td><td data-tag="td" id="td-9nr-s8l-tjj" class="td"><p data-tag="p" id="p-zje-i04-xkf" class="p">指定要修改的 CPU 最多數量</p></td></tr><tr data-tag="tr" id="tr-mu0-rk0-nth" class="tr"><td data-tag="td" id="td-gla-oin-srz" class="td"><p data-tag="p" id="p-lll-z11-xnj" class="p">MAX_MEMORY</p></td><td data-tag="td" id="td-6xz-ca9-8be" class="td"><p id="p-q7a-8ed-24d">指定要修改的最大內存容量,取值范圍為[1073741824, +∞) 單位為字節,即最小值為1G</p></td></tr><tr data-tag="tr" id="tr-f4z-nw7-d60" class="tr"><td data-tag="td" id="td-9av-pue-0lf" class="td"><p id="p-dxl-kam-9bp">MAX_IOPS</p></td><td data-tag="td" id="td-npy-j5f-06g" class="td"><p id="p-co9-6gb-rxi">指定要修改的 IOPS 最多數量,取值范圍為[128,+∞)</p></td></tr><tr data-tag="tr" id="tr-bz3-tpz-ie2" class="tr"><td data-tag="td" id="td-rou-c5g-vv8" class="td"><p data-tag="p" id="p-2wr-n56-scu" class="p">MAX_DISK_SIZE</p></td><td data-tag="td" id="td-ewf-dm3-i54" class="td"><p id="p-uy4-gl4-8th">指定要修改的最大硬盤容量,取值范圍為[536870912,+∞]單位為字節,即最小值為512M</p></td></tr><tr data-tag="tr" id="tr-zd6-00e-q8k" class="tr"><td data-tag="td" id="td-uq0-8xf-flj" class="td"><p data-tag="p" id="p-d3l-cxs-vxn" class="p">MAX_SESSION_NUM</p></td><td data-tag="td" id="td-tgk-lqq-ec3" class="td"><p id="p-bs7-cq8-fgn">指定要修改的 session 最多數量,取值范圍為[64,+∞)</p></td></tr><tr data-tag="tr" id="tr-41z-ple-gd9" class="tr"><td data-tag="td" id="td-9kh-pvn-106" class="td"><p data-tag="p" id="p-b4b-xgt-hbi" class="p">MIN_CPU</p></td><td data-tag="td" id="td-cdh-dzf-5fr" class="td"><p data-tag="p" id="p-b4g-aku-8g0" class="p">指定要修改的 CPU 最少數量</p></td></tr><tr data-tag="tr" id="tr-t0x-w14-cle" class="tr"><td data-tag="td" id="td-59t-1fj-pn4" class="td"><p data-tag="p" id="p-mz9-hw2-rcv" class="p">MIN_MEMORY</p></td><td data-tag="td" id="td-m2j-hnl-a10" class="td"><p id="p-2vy-frx-07g">指定要修改的最小內存容量</p></td></tr><tr data-tag="tr" id="tr-2nn-j39-oht" class="tr"><td data-tag="td" id="td-szf-kcc-zqe" class="td"><p data-tag="p" id="p-vgv-vfe-dr6" class="p">MIN_IOPS</p></td><td data-tag="td" id="td-gxm-lbp-bcw" class="td"><p id="p-epy-9zv-o7m">指定要修改的 IOPS 最少數量</p></td></tr></tbody></table> ## 示例 * 創建資源單元 unit1 配置為1 個 CPU,1G 內存,128 個 IOPS,10G 硬盤容量,運行64個 session。 ~~~ OceanBase(admin@test)> CREATE RESOURCE UNIT unit1 max_cpu 1, max_memory '1G', max_iops 128,max_disk_size '10G', max_session_num 64, MIN_CPU=1, MIN_MEMORY= '1G', MIN_IOPS=128; Query OK, 0 rows affected (0.02 sec) ~~~ * 創建資源單元 unit1 配置為1 個 CPU,1G 內存,128個 IOPS,10G 硬盤容量,運行64個 session。 ~~~ OceanBase(admin@test)> CREATE RESOURCE UNIT unit1 max_cpu 1, max_memory 1073741824, max_iops 128, max_disk_size 10737418240, max_session_num 64, MIN_CPU=1, MIN_MEMORY=1073741824, MIN_IOPS=128; Query OK, 0 rows affected (0.01 sec) ~~~
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