\u306a\u3093\u304bMariaDB\u3067mysql-connector-java-5.1.42-bin.jar\u3067JDBC\u3059\u308b\u3068\u304d\u306b\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u3092\u8cbc\u308a\u307e\u304f\u3063\u3066\u3001executeUpdate\u3067\u3044\u3063\u3071\u3044\u66f4\u65b0\u3057\u3088\u3046\u3068\u3057\u305f\u3068\u304d\u3001\u306a\u3093\u304bMariaDB\u304c\u3082\u3046\u3044\u3044\u3063\u3071\u3044\u3060\u3088\uff5e\uff08dirty page \u3060\u3088\uff5e\uff09\u307f\u305f\u3044\u306a\u611f\u3058\u3067\u305c\u3093\u305c\u3093SQL\u306eInsert\u304c\u3067\u304d\u306a\u304f\u306a\u3063\u305f<\/p>\n
\u6700\u521d\u306fMariaDB\u306e\u554f\u984c\u304b\u3068\u601d\u3063\u3066\u8272\u3005\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u3057\u305f\u308a\u3057\u305f\u3051\u3069\u3001\u89e3\u6c7a\u305b\u305a<\/p>\n
\u539f\u56e0\u306fJDBC\u306eexecuteUpdate\u3067\u3057\u305f<\/p>\n
\u3053\u308c1\u79d2\u306b100\u30ea\u30af\u30a8\u30b9\u30c8\u3068\u304b\u3081\u3063\u3061\u3083\u9001\u308b\u3068\u304d\u306b\u3044\u3061\u3044\u3061\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u8cbc\u308a\u76f4\u3057\u305f\u308a\u3059\u308b\u611f\u3058\u3067\u52b9\u7387\u304c\u60aa\u3044\u3063\u307d\u3044<\/p>\n
\u3081\u3063\u3061\u3083\u3044\u3063\u3071\u3044\u66f4\u65b0\u3057\u305f\u3044\u3068\u304d\u306f<\/p>\n
executeBatch<\/p>\n
\u3092\u4f7f\u3044\u307e\u3057\u3087\u3046<\/p>\n
\u305d\u3046\u3057\u305f\u3089\u6050\u308d\u3057\u3044\u307b\u3069\u30af\u30a8\u30ea\u304c\u6539\u5584\u3057\u305f\u3002<\/p>\n
\u3064\u3044\u3067\u306b\u3044\u3046\u3068Bulk insert\u306b\u3059\u308b\u3068\u3088\u308a\u65e9\u3044\u3068\u304a\u3082\u3046\uff01<\/p>\n
<\/p>\n
public void doSQL(String sql) {
\nstart();
\ntry {
\nstmt.executeUpdate(sql);
\n} catch (SQLException e) {
\n\/\/ TODO Auto-generated catch block
\ne.printStackTrace();
\n}<\/p>\n
<\/p>\n
\u304b\u3089<\/p>\n
<\/p>\n
}
\npublic void doSQLBig(String sql) {
\nstart();
\ntry {
\n\/\/conn.setAutoCommit(false);
\nstmt.addBatch(sql);
\nint result[]=stmt.executeBatch();<\/p>\n
for(int i=0;i<result.length;i++){
\nSystem.out.println(“result”+i+”: “+result[i]);
\n}
\n} catch (SQLException e) {
\n\/\/ TODO Auto-generated catch block
\ne.printStackTrace();
\n}<\/p>\n
}<\/p>\n
\u306b\u5909\u66f4\u3057\u305f<\/p>\n
\u51fa\u3066\u305f\u30a8\u30e9\u30fc\u2193<\/p>\n
at com.mysql.jdbc.StatementImpl.executeUpdateInternal(StatementImpl.java:1552)
\nat com.mysql.jdbc.StatementImpl.executeLargeUpdate(StatementImpl.java:2607)
\nat com.mysql.jdbc.StatementImpl.executeUpdate(StatementImpl.java:1480)
\nat com.coin.java.web.SQL.doSQL(SQL.java:198)
\nat com.coin.java.web.CommonApi.insertBalanceSQL(CommonApi.java:3256)
\nat com.coin.java.web.RateCallback.getBalance(RateCallback.java:479)
\n… 1 more
\nCaused by: java.net.SocketException: Unrecognized Windows Sockets error: 0: recv failed
\nat java.net.SocketInputStream.socketRead0(Native Method)
\nat java.net.SocketInputStream.socketRead(Unknown Source)
\nat java.net.SocketInputStream.read(Unknown Source)
\nat java.net.SocketInputStream.read(Unknown Source)
\nat com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:101)
\nat com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:144)
\nat com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:174)
\nat com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:3008)
\nat com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3469)
\n… 12 more
\ncom.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed.
\nat sun.reflect.GeneratedConstructorAccessor61.newInstance(Unknown Source)
\nat sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
\nat java.lang.reflect.Constructor.newInstance(Unknown Source)
\nat com.mysql.jdbc.Util.handleNewInstance(Util.java:425)
\nat com.mysql.jdbc.Util.getInstance(Util.java:408)
\nat com.mysql.jdbc.SQLError.createSQLException(SQLError.java:918)
\nat com.mysql.jdbc.SQLError.createSQLException(SQLError.java:897)
\nat com.mysql.jdbc.SQLError.createSQLException(SQLError.java:886)
\nat com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860)
\nat com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1187)
\nat com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1182)
\nat com.mysql.jdbc.ConnectionImpl.createStatement(ConnectionImpl.java:2377)
\nat com.mysql.jdbc.ConnectionImpl.createStatement(ConnectionImpl.java:2361)
\nat com.coin.java.web.SQL.start(SQL.java:81)
\nat com.coin.java.web.SQL.doSQL(SQL.java:196)
\nat com.coin.java.web.CommonApi.insertBalanceSQL(CommonApi.java:3256)
\nat com.coin.java.web.RateCallback.getBalance(RateCallback.java:482)
\nat com.coin.java.web.RateCallback$4.run(RateCallback.java:166)
\nCaused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure<\/p>\nThe last packet successfully received from the server was 22,566 milliseconds ago. The last packet sent successfully to the server was 22,566 milliseconds ago.
\nat sun.reflect.GeneratedConstructorAccessor60.newInstance(Unknown Source)
\nat sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
\nat java.lang.reflect.Constructor.newInstance(Unknown Source)
\nat com.mysql.jdbc.Util.handleNewInstance(Util.java:425)
\nat com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:989)
\nat com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3559)
\nat com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3459)
\nat com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3900)
\nat com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2527)
\nat com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2680)
\nat com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2486)
\nat com.mysql.jdbc.StatementImpl.executeUpdateInternal(StatementImpl.java:1552)
\nat com.mysql.jdbc.StatementImpl.executeLargeUpdate(StatementImpl.java:2607)
\nat com.mysql.jdbc.StatementImpl.executeUpdate(StatementImpl.java:1480)
\nat com.coin.java.web.SQL.doSQL(SQL.java:198)
\nat com.coin.java.web.CommonApi.insertBalanceSQL(CommonApi.java:3256)
\nat com.coin.java.web.RateCallback.getBalance(RateCallback.java:479)
\n… 1 more<\/p><\/blockquote>\n<\/p>\n
<\/p>\n
<\/p>\n","protected":false},"excerpt":{"rendered":"
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