Jaime is the Senior DBA of the Wikimedia Foundation, managing Wikipedia databases.
In the last few years there have been several examples of major service problems affecting businesses data: outages causing data inconsistencies; unavailability or data loss, and worldwide cyberattack...
For Percona Live Europe this year, I got accepted a workshop on query optimization and a 50-minute talk covering TLS for MySQL at Large Scale, talking about our experiences at the Wikimedia Foundatio...
%22%3E%3Cpath%20d=%22M352.016%20109.322h-18.62v33.317H308.887V31.542h45.54c26.587.0%2042.669%2015.7006%2042.669%2038.4065V70.2514c0%2025.715-20.051%2039.0416-45.051%2039.0416L352.016%20109.322v0zm20.207-38.885C372.223%2059.4847%20364.589%2053.6128%20352.32%2053.6128H333.367V87.5641H352.78c12.27.0%2019.414-7.3081%2019.414-16.8242V70.437H372.223z%22%20fill=%22%23fff%22/%3E%3Cpath%20d=%22M410.776%20142.648V31.542H494.84V53.3001H435.139V75.8497h52.527V97.6078H435.139V120.949h60.494v21.758H410.776V142.648v0z%22%20fill=%22%23fff%22/%3E%3Cpath%20d=%22M582.46%20142.648%20558.588%20107.104H539.331v35.544H514.822V31.542h50.939c26.284.0%2042.032%2013.815%2042.032%2036.6674V68.5123c0%2017.9282-9.702%2029.2128-23.872%2034.4497L611.145%20142.639H582.451L582.46%20142.648zM582.95%2069.4893C582.95%2059.0255%20575.62%2053.603%20563.694%2053.603H539.341V85.5026h24.843C576.12%2085.5026%20582.95%2079.1422%20582.95%2069.8019V69.4991%2069.4893z%22%20fill=%22%23fff%22/%3E%3Cpath%20d=%22M678.058%20145.618c-33.221.0-57.907-25.568-57.907-57.9171V87.3882C620.151%2055.3812%20644.337%2029.1678%20679.048%2029.1678c21.285.0%2034.055%207.0639%2044.54%2017.3616L707.781%2064.6922C699.059%2056.7979%20690.21%2051.9909%20678.891%2051.9909c-19.021.0-32.761%2015.7593-32.761%2035.0652V87.3687c0%2019.3063%2013.397%2035.3683%2032.761%2035.3683C691.788%20122.737%20699.706%20117.588%20708.585%20109.537l15.807%2015.916C712.76%20137.851%20699.863%20145.56%20678.088%20145.56L678.058%20145.618z%22%20fill=%22%23fff%22/%3E%3Cpath%20d=%22M789.963%20145.618c-34.858.0-59.858-25.9-59.858-57.9171V87.3882c0-32.007%2025.333-58.2204%2060.162-58.2204%2034.829.0%2059.858%2025.9007%2059.858%2057.9176V87.398c0%2032.007-25.333%2058.22-60.162%2058.22zm34.212-58.22C824.175%2068.0922%20809.975%2052.03%20789.963%2052.03%20769.952%2052.03%20756.095%2067.7893%20756.095%2087.0951V87.4078C756.095%20106.714%20770.295%20122.776%20790.306%20122.776%20810.318%20122.776%20824.175%20107.017%20824.175%2087.7107V87.398v0z%22%20fill=%22%23fff%22/%3E%3Cpath%20d=%22M985.089%20142.736%201039.93%2029.1678%201094.77%20142.746h-27.5L1039.93%2086.2256l-27.24%2056.5204H985.089V142.736z%22%20fill=%22%23fff%22/%3E%3Cpath%20d=%22M974.936%2031.5811V145.628L891.304%2078.0968V142.551H865.285V29.1678L948.917%2096.4354V31.5811h26.019z%22%20fill=%22%23fff%22/%3E%3C/g%3E%3Cpath%20d=%22M219.315%20146.829c28.718-18.788%2038.114-57.1102%2020.735-87.2301-8.708-15.108-22.784-25.9277-39.624-30.4456-15.602-4.1923-31.898-2.478-46.241%204.7743L134.603.0%2093.9541%2070.4613.0%20233.311H269.206l-49.891-86.482zM195.821%2046.4134c12.241%203.263%2022.427%2011.1294%2028.771%2022.0826%2012.47%2021.5912%205.993%2048.977-14.23%2062.808L163.128%2049.4361c10.176-4.8971%2021.653-5.9652%2032.693-3.0227zM134.603%2035.7593%20238.247%20215.426H177.605L104.268%2088.3409l30.329-52.5762L134.603%2035.7593zM30.9588%20215.426l62.99-109.168L156.939%20215.426H30.9588z%22%20fill=%22url(%23paint0_linear_1391_11470)%22/%3E%3Cpath%20d=%22M306.655%20202.335C306.655%20196.555%20307.958%20191.37%20310.565%20186.78%20313.172%20182.133%20316.713%20178.507%20321.19%20175.9%20325.723%20173.293%20330.738%20171.99%20336.235%20171.99%20342.695%20171.99%20348.333%20173.548%20353.15%20176.665%20357.967%20179.782%20361.48%20184.202%20363.69%20189.925H354.425C352.782%20186.355%20350.402%20183.607%20347.285%20181.68%20344.225%20179.753%20340.542%20178.79%20336.235%20178.79%20332.098%20178.79%20328.387%20179.753%20325.1%20181.68%20321.813%20183.607%20319.235%20186.355%20317.365%20189.925%20315.495%20193.438%20314.56%20197.575%20314.56%20202.335%20314.56%20207.038%20315.495%20211.175%20317.365%20214.745%20319.235%20218.258%20321.813%20220.978%20325.1%20222.905%20328.387%20224.832%20332.098%20225.795%20336.235%20225.795%20340.542%20225.795%20344.225%20224.86%20347.285%20222.99%20350.402%20221.063%20352.782%20218.315%20354.425%20214.745H363.69C361.48%20220.412%20357.967%20224.803%20353.15%20227.92%20348.333%20230.98%20342.695%20232.51%20336.235%20232.51%20330.738%20232.51%20325.723%20231.235%20321.19%20228.685%20316.713%20226.078%20313.172%20222.48%20310.565%20217.89%20307.958%20213.3%20306.655%20208.115%20306.655%20202.335zm130.259%2030.26C431.418%20232.595%20426.403%20231.32%20421.869%20228.77%20417.336%20226.163%20413.738%20222.565%20411.074%20217.975%20408.468%20213.328%20407.164%20208.115%20407.164%20202.335S408.468%20191.37%20411.074%20186.78C413.738%20182.133%20417.336%20178.535%20421.869%20175.985%20426.403%20173.378%20431.418%20172.075%20436.914%20172.075%20442.468%20172.075%20447.511%20173.378%20452.044%20175.985%20456.578%20178.535%20460.148%20182.105%20462.754%20186.695%20465.361%20191.285%20466.664%20196.498%20466.664%20202.335%20466.664%20208.172%20465.361%20213.385%20462.754%20217.975%20460.148%20222.565%20456.578%20226.163%20452.044%20228.77%20447.511%20231.32%20442.468%20232.595%20436.914%20232.595zm0-6.715C441.051%20225.88%20444.763%20224.917%20448.049%20222.99%20451.393%20221.063%20453.999%20218.315%20455.869%20214.745%20457.796%20211.175%20458.759%20207.038%20458.759%20202.335%20458.759%20197.575%20457.796%20193.438%20455.869%20189.925%20453.999%20186.355%20451.421%20183.607%20448.134%20181.68%20444.848%20179.753%20441.108%20178.79%20436.914%20178.79%20432.721%20178.79%20428.981%20179.753%20425.694%20181.68%20422.408%20183.607%20419.801%20186.355%20417.874%20189.925%20416.004%20193.438%20415.069%20197.575%20415.069%20202.335%20415.069%20207.038%20416.004%20211.175%20417.874%20214.745%20419.801%20218.315%20422.408%20221.063%20425.694%20222.99%20429.038%20224.917%20432.778%20225.88%20436.914%20225.88zm134.906-52.7V232H564.085V188.14L544.535%20232H539.095L519.46%20188.055V232H511.725V173.18H520.055L541.815%20221.8l21.76-48.62H571.82zm108.063.0V232H672.148V188.14L652.598%20232H647.158l-19.635-43.945V232H619.788V173.18H628.118l21.76%2048.62%2021.76-48.62H679.883zM735.416%20172.755V210.24C735.416%20215.51%20736.691%20219.42%20739.241%20221.97%20741.848%20224.52%20745.446%20225.795%20750.036%20225.795%20754.57%20225.795%20758.111%20224.52%20760.661%20221.97%20763.268%20219.42%20764.571%20215.51%20764.571%20210.24V172.755H772.306v37.4C772.306%20215.085%20771.315%20219.25%20769.331%20222.65%20767.348%20225.993%20764.656%20228.487%20761.256%20230.13%20757.913%20231.773%20754.145%20232.595%20749.951%20232.595%20745.758%20232.595%20741.961%20231.773%20738.561%20230.13%20735.218%20228.487%20732.555%20225.993%20730.571%20222.65%20728.645%20219.25%20727.681%20215.085%20727.681%20210.155v-37.4H735.416zM866.64%20232H858.905l-31.11-47.175V232H820.06V172.67H827.795l31.11%2047.09V172.67H866.64V232zm55.77-59.245V232H914.675V172.755H922.41zm84.5.0V179.045H990.758V232H983.023V179.045H966.788V172.755h40.122zm85.85.0-19.3%2036.89V232H1065.73V209.645L1046.35%20172.755H1054.93L1069.55%20202.76%201084.17%20172.755H1092.76z%22%20fill=%22%23fff%22/%3E%3Cdefs%3E%3ClinearGradient%20id=%22paint0_linear_1391_11470%22%20x1=%2230.363%22%20y1=%22238.463%22%20x2=%22230.327%22%20y2=%2238.6685%22%20gradientUnits=%22userSpaceOnUse%22%3E%3Cstop%20stop-color=%22%23FC3519%22/%3E%3Cstop%20offset=%221%22%20stop-color=%22%23F0D136%22/%3E%3C/linearGradient%3E%3CclipPath%20id=%22clip0_1391_11470%22%3E%3Crect%20width=%22962.614%22%20height=%22116.656%22%20fill=%22%23fff%22%20transform=%22translate(132.155%2028.9724)%22/%3E%3C/clipPath%3E%3C/defs%3E%3C/svg%3E)
