[ImgBot] Optimize images

*Total -- 7,250.12kb -> 4,127.08kb (43.08%)

/distributed/mq/kafka/assets/1560998717331.png -- 89.64kb -> 8.11kb (90.96%)
/distributed/mq/kafka/assets/1560990199054.png -- 59.11kb -> 9.09kb (84.62%)
/distributed/mq/kafka/assets/1561429109275.png -- 20.19kb -> 3.42kb (83.03%)
/distributed/mq/kafka/assets/1561449176100.png -- 47.09kb -> 8.51kb (81.93%)
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/distributed/mq/kafka/assets/1561429274885.png -- 31.40kb -> 9.16kb (70.84%)
/distributed/zookeeper/assets/1560307105450.png -- 71.86kb -> 22.45kb (68.76%)
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/netty/assets/1561012923419.png -- 31.18kb -> 10.28kb (67.03%)
/distributed/mq/kafka/assets/1561430480975.png -- 39.94kb -> 13.32kb (66.64%)
/netty/assets/1561010123016.png -- 16.27kb -> 5.60kb (65.56%)
/distributed/mq/kafka/assets/1560907993793.png -- 4.70kb -> 1.66kb (64.62%)
/distributed/mq/activemq/assets/1560840049257.png -- 15.31kb -> 5.46kb (64.35%)
/netty/assets/1561012423898.png -- 24.38kb -> 8.84kb (63.74%)
/distributed/dubbo/assets/1560483748172.png -- 12.57kb -> 4.56kb (63.72%)
/distributed/mq/kafka/assets/1560125642172.png -- 22.86kb -> 8.43kb (63.11%)
/distributed/mq/kafka/assets/1560908068419.png -- 12.42kb -> 4.66kb (62.51%)
/distributed/mq/activemq/assets/1560817684924.png -- 53.55kb -> 20.32kb (62.05%)
/microservice-core/alibaba/nacos/assets/1564469449830.png -- 15.25kb -> 5.96kb (60.88%)
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/distributed/mq/activemq/assets/1560840069897.png -- 14.86kb -> 6.18kb (58.43%)
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/distributed/dubbo/assets/1560394094623.png -- 7.58kb -> 3.30kb (56.45%)
/distributed/mq/activemq/assets/1560839186858.png -- 39.02kb -> 17.02kb (56.38%)
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/netty/assets/1561010043153.png -- 9.02kb -> 4.02kb (55.46%)
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/distributed/mq/activemq/assets/1560840058844.png -- 7.22kb -> 3.35kb (53.53%)
/concurrence/pic/死锁.png -- 31.81kb -> 15.07kb (52.61%)
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/microservice-core/mvc/assets/1558577442687.png -- 3.82kb -> 1.92kb (49.83%)
/microservice-core/cloud/assets/1559026104974.png -- 35.07kb -> 17.69kb (49.56%)
/microservice-core/cloud/assets/1559095719840.png -- 17.33kb -> 8.84kb (48.97%)
/concurrence/pic/活锁.png -- 16.67kb -> 8.52kb (48.92%)
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/concurrence/pic/线程池.png -- 22.61kb -> 11.58kb (48.76%)
/microservice-core/rest/assets/1559111829439.png -- 28.59kb -> 14.83kb (48.14%)
/mybatis-3/doc/assets/1575894218362.png -- 79.12kb -> 41.25kb (47.86%)
/microservice-core/cloud/assets/1559263789318.png -- 42.84kb -> 22.34kb (47.84%)
/concurrence/pic/线程同步锁.png -- 26.88kb -> 14.21kb (47.12%)
/microservice-core/mvc/assets/1558577285631.png -- 47.37kb -> 25.14kb (46.93%)
/microservice-core/mvc/assets/1558577287217.png -- 47.37kb -> 25.14kb (46.93%)
/distributed/mq/kafka/assets/1222875_20181019144711265_1345821003.png -- 88.22kb -> 47.06kb (46.66%)
/distributed/dubbo/assets/1560497372159.png -- 69.56kb -> 37.11kb (46.66%)
/microservice-core/rest/assets/1559112075806.png -- 4.61kb -> 2.47kb (46.35%)
/mybatis-3/doc/assets/1575890475839.png -- 54.87kb -> 29.51kb (46.21%)
/microservice-core/cloud/assets/1559096225248.png -- 16.11kb -> 8.67kb (46.16%)
/microservice-core/rest/assets/1558596538312.png -- 88.26kb -> 47.68kb (45.98%)
/distributed/dubbo/assets/1560740663364.png -- 109.09kb -> 59.46kb (45.5%)
/distributed/dubbo/assets/1560731550763.png -- 49.44kb -> 27.03kb (45.32%)
/distributed/dubbo/assets/1560740233267.png -- 71.38kb -> 39.10kb (45.23%)
/microservice-core/spring-application/assets/1558507030394.png -- 144.58kb -> 79.41kb (45.07%)
/distributed/dubbo/assets/1560742289076.png -- 114.57kb -> 63.20kb (44.84%)
/microservice-core/mvc/assets/1558574808649.png -- 149.90kb -> 83.16kb (44.53%)
/distributed/mq/activemq/assets/1560824800118.png -- 46.36kb -> 25.75kb (44.46%)
/distributed/mq/kafka/assets/1561449436838.png -- 127.33kb -> 71.07kb (44.19%)
/distributed/dubbo/assets/1560750628969.png -- 86.01kb -> 48.02kb (44.17%)
/microservice-core/spring-application/assets/1558506990967.png -- 32.85kb -> 18.35kb (44.12%)
/distributed/dubbo/assets/1560732900992.png -- 79.52kb -> 44.53kb (43.99%)
/microservice-core/mvc/assets/1558576345170.png -- 94.45kb -> 52.95kb (43.94%)
/microservice-core/mvc/assets/1558576343901.png -- 94.45kb -> 52.95kb (43.94%)
/microservice-core/cloud/assets/1559093385712.png -- 42.13kb -> 23.67kb (43.81%)
/distributed/dubbo/assets/1560735891744.png -- 97.54kb -> 54.91kb (43.71%)
/distributed/dubbo/assets/1560733610277.png -- 74.44kb -> 41.93kb (43.68%)
/distributed/dubbo/assets/1560741601282.png -- 60.04kb -> 34.03kb (43.32%)
/distributed/dubbo/assets/1560743063444.png -- 56.17kb -> 32.14kb (42.78%)
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/distributed/dubbo/assets/1560741497096.png -- 78.91kb -> 45.24kb (42.67%)
/design/assets/1558057278605.png -- 65.62kb -> 37.63kb (42.65%)
/distributed/dubbo/assets/1560736446637.png -- 41.50kb -> 23.84kb (42.54%)
/distributed/zookeeper/assets/1560308522848.png -- 25.85kb -> 14.86kb (42.52%)
/distributed/dubbo/assets/1560731475666.png -- 61.67kb -> 35.52kb (42.39%)
/distributed/mq/activemq/assets/1560818083335.png -- 39.63kb -> 22.84kb (42.36%)
/distributed/dubbo/assets/1560494151911.png -- 90.73kb -> 52.34kb (42.31%)
/microservice-core/alibaba/nacos/assets/1564469416053.png -- 26.84kb -> 15.50kb (42.24%)
/hadoop/asserts/1574817314049.png -- 52.96kb -> 30.70kb (42.03%)
/distributed/dubbo/assets/1560736421596.png -- 6.04kb -> 3.54kb (41.39%)
/distributed/mq/activemq/assets/1560839232009.png -- 1.80kb -> 1.06kb (41.21%)
/microservice-core/alibaba/nacos/assets/1564469226006.png -- 21.90kb -> 12.93kb (40.93%)
/distributed/dubbo/assets/1560731607034.png -- 38.88kb -> 23.03kb (40.77%)
/distributed/mq/activemq/assets/1560762835634.png -- 52.14kb -> 30.90kb (40.73%)
/distributed/dubbo/assets/1560497310497.png -- 47.31kb -> 28.05kb (40.72%)
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/distributed/mq/activemq/assets/1560839297143.png -- 5.94kb -> 3.56kb (39.99%)
/microservice-core/rest/assets/1559111599103.png -- 10.16kb -> 6.10kb (39.95%)
/distributed/dubbo/assets/1560752140621.png -- 92.05kb -> 55.53kb (39.68%)
/microservice-core/mvc/assets/1558577366752.png -- 21.81kb -> 13.35kb (38.78%)
/microservice-core/cloud/assets/1559030879315.png -- 13.04kb -> 7.99kb (38.75%)
/microservice-core/cloud/assets/1559091452613.png -- 51.06kb -> 31.39kb (38.52%)
/distributed/mq/activemq/assets/1560815303709.png -- 66.95kb -> 41.21kb (38.44%)
/distributed/dubbo/assets/1560741753126.png -- 76.33kb -> 47.03kb (38.39%)
/distributed/mq/kafka/assets/1560990205701.png -- 42.36kb -> 26.12kb (38.35%)
/distributed/mq/activemq/assets/1560815518714.png -- 66.32kb -> 40.96kb (38.24%)
/microservice-core/cloud/assets/1559091435791.png -- 48.04kb -> 29.78kb (38.02%)
/microservice-core/cloud/assets/1559093118222.png -- 16.59kb -> 10.39kb (37.39%)
/microservice-core/cloud/assets/1559096214590.png -- 2.30kb -> 1.44kb (37.36%)
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/distributed/assets/1560218050594.png -- 112.60kb -> 71.70kb (36.33%)
/microservice-core/alibaba/nacos/assets/1564468757370.png -- 37.42kb -> 24.12kb (35.55%)
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/concurrence/pic/生产者消费者模型01.png -- 37.28kb -> 24.67kb (33.81%)
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/microservice-core/alibaba/nacos/assets/1564453777258.png -- 62.52kb -> 44.23kb (29.26%)
/mybatis-3/doc/assets/1575892763661.png -- 97.51kb -> 69.32kb (28.91%)
/distributed/mq/rabbitmq/assets/1.png -- 56.37kb -> 40.14kb (28.8%)
/distributed/mq/kafka/assets/1560905017527.png -- 21.02kb -> 15.44kb (26.56%)
/mybatis-3/doc/assets/1575892167982.png -- 131.88kb -> 96.86kb (26.55%)
/security/sec-web/assets/1573353995141.png -- 15.07kb -> 11.11kb (26.27%)
/distributed/assets/1559632500117.png -- 28.71kb -> 21.27kb (25.9%)
/mybatis-3/doc/assets/1575892511471.png -- 112.10kb -> 83.55kb (25.46%)
/mybatis-3/doc/assets/1575892687076.png -- 40.40kb -> 30.12kb (25.44%)
/distributed/assets/1559632149030.png -- 22.08kb -> 16.47kb (25.38%)
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/mybatis-3/doc/assets/1575891988804.png -- 102.62kb -> 78.40kb (23.6%)
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/microservice-core/alibaba/nacos/assets/1564453437135.png -- 29.36kb -> 23.28kb (20.7%)
/distributed/assets/1559632708743.png -- 42.47kb -> 34.22kb (19.44%)
/hadoop/asserts/hdfs架构.jpg -- 52.32kb -> 44.04kb (15.81%)
/hadoop/asserts/hadoop.jpg -- 56.88kb -> 48.67kb (14.42%)
/hadoop/asserts/mapreduce流程.jpg -- 19.84kb -> 17.61kb (11.26%)
/distributed/id-gen/assets/snowflake.jpeg -- 16.91kb -> 15.52kb (8.2%)
/hadoop/asserts/结构图.jpg -- 16.17kb -> 16.03kb (0.92%)

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