Category Archives: 未分類

29
12月

2017년 12월 29일

야구와 술맛을 알게되서 2017년은 개인적인 공부를 뒷전으로 하게 되었는 … Continue reading →

Posted in 未分類 | コメントは受け付けていません。

17
4月

postfix에서 멀티도메인 이용방법

아래와 같이 사용하는 자신의 도메인을 열거하지 않으면 수신이 불가능하다. … Continue reading →

Posted in 未分類 | コメントは受け付けていません。

2
11月

jstat를 jfreechart로 그래프화

import java.awt.Color;
import java.awt.Font;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.Serializable;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.List;

import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartUtilities;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.StandardChartTheme;
import org.jfree.chart.axis.DateAxis;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.plot.CombinedDomainXYPlot;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.renderer.xy.StandardXYItemRenderer;
import org.jfree.chart.title.LegendTitle;
import org.jfree.data.time.Millisecond;
import org.jfree.data.time.TimeSeries;
import org.jfree.data.time.TimeSeriesCollection;

public class GraphForJstat {

	static int interval = 10; // second
	static SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");

	static class Journal implements Serializable {

		private static final long serialVersionUID = -3906379676663036836L;

		private String timestampString;
		private Date timestamp;
		private double s0c;
		private double s1c;
		private double s0u;
		private double s1u;
		private double ec;
		private double eu;
		private double oc;
		private double ou;
		private double pc;
		private double pu;
		private int ygc;
		private double ygct;
		private double ygctDiff;
		private int fgc;
		private double fgct;
		private double fgctDiff;
		private double gct;
		private double gctDiff;

		public Journal(String timestamp) {
			try {
				this.timestamp = sdf.parse(timestamp);
			} catch (Exception e) {
				throw new RuntimeException(e);
			}
			this.timestampString = timestamp;
		}

		public Journal(Date timestamp) {
			this.timestamp = timestamp;
			this.timestampString = sdf.format(timestamp);
		}
	}

	public static List<Journal> readFile(String file) throws Exception {
		long started = System.currentTimeMillis();
		System.out.println("Open " + file);
		List<Journal> result = new ArrayList<Journal>();
		BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(file)));
		String[] tokens = null;
		String line = null;
		Journal j = null;
		int row = 0;
		int journalCount = 0;
		long lastTimed = System.currentTimeMillis();
		Calendar timestamp = Calendar.getInstance();
		while ((line = br.readLine()) != null) {

			row++;
			if (row % 100000 == 0) {
				System.out.println(row + " line(s) buffered. (memory " + (Runtime.getRuntime().freeMemory() * 100 / Runtime.getRuntime().maxMemory()) + "% used) " + (System.currentTimeMillis() - lastTimed) + "ms");
				lastTimed = System.currentTimeMillis();
			}
			if (line.trim().length() == 0)
				continue;

			line = line.trim();
			if (line.startsWith("S0C")) {
				// header line
				continue;
			}
			if (line.startsWith("-----")) {
				// 2014/10/28 23:04:04

				timestamp.setTime(sdf.parse(line.replaceAll("-----", "").trim()));
			} else {
				// data field
				List<String> buffers = new ArrayList<String>();
				StringBuffer outB = new StringBuffer();
				for (int i = 0; i < line.length(); i++) {
					if (line.charAt(i) != ' ') {
						outB.append(line.charAt(i));
					} else {
						if (outB.length() > 0) {

							buffers.add(outB.toString());
							outB = new StringBuffer();
						}
					}
				}
				if (outB.length() > 0) {
					buffers.add(outB.toString());
				}
				tokens = buffers.toArray(new String[] {});
				j = new Journal(timestamp.getTime());
				timestamp.add(Calendar.SECOND, interval);
				try {
					j.s0c = toDouble(tokens[0]);
					j.s1c = toDouble(tokens[1]);
					j.s0u = toDouble(tokens[2]);
					j.s1u = toDouble(tokens[3]);
					j.ec = toDouble(tokens[4]);
					j.eu = toDouble(tokens[5]);
					j.oc = toDouble(tokens[6]);
					j.ou = toDouble(tokens[7]);
					j.pc = toDouble(tokens[8]);
					j.pu = toDouble(tokens[9]);
					j.ygc = toInt(tokens[10]);
					j.ygct = toDouble(tokens[11]);
					j.fgc = toInt(tokens[12]);
					j.fgct = toDouble(tokens[13]);
					j.gct = toDouble(tokens[14]);

					if (journalCount == 0) {
						j.fgctDiff = j.fgct;
						j.ygctDiff = j.ygct;
						j.gctDiff = j.gct;
					} else {
						Journal jBack = result.get(journalCount - 1);
						j.fgctDiff = j.fgct - jBack.fgct;
						j.ygctDiff = j.ygct - jBack.ygct;
						j.gctDiff = j.gct - jBack.gct;
					}

					// //////////////////
					// 追加
					// //////////////////
					result.add(j);
					journalCount++;

				} catch (Exception e) {
					System.err.println("line " + row + " (tokens=" + tokens.length + ") : " + line);
					for (int i = 0; i < tokens.length; i++) {

						System.err.println("token[" + i + "]=[" + tokens[i] + "]");
					}
					e.printStackTrace();
					System.exit(1);
				}
			}
		}

		br.close();
		System.out.println("completed. (" + (System.currentTimeMillis() - started) + "ms, " + row + "rows)");
		return result;
	}

	public static double toDouble(String v) {
		return Double.parseDouble(v);
	}

	public static int toInt(String v) {
		return Integer.parseInt(v);
	}

	public static List<String> getFiles(String path) {
		List<String> files = new ArrayList<String>();
		File f = new File(path);
		File f2 = null;
		for (String name : f.list()) {
			f2 = new File(path + "\\" + name);
			if (f2.isDirectory()) {

				files.addAll(getFiles(f2.getAbsolutePath()));
			} else {
				files.add(f2.getAbsolutePath());
			}
		}
		return files;
	}

	public static void main(String[] args) throws Exception {

		File file = new File("C:\\\\jstat.txt");
		String workDir = file.getParentFile().getAbsolutePath() + "\\" + file.getName() + ".output";
		File outputDir = new File(workDir);
		if (!outputDir.exists()) {
			if (!outputDir.mkdirs()) {
				System.err.println(workDir + " could not created.");
				System.exit(1);
			}
		}
		List<Journal> alls = new ArrayList<Journal>();
		List<String> files = new ArrayList<String>();
		if (file.isDirectory()) {
			files.addAll(getFiles(file.getAbsolutePath()));
		} else {
			files.add(file.getAbsolutePath());
		}

		for (String filename : files) {
			alls.addAll(readFile(filename));
		}

		// ////////////////////////////////////////////////////////////////////
		// Graph
		// ////////////////////////////////////////////////////////////////////

		ChartFactory.setChartTheme(StandardChartTheme.createLegacyTheme());

		CombinedDomainXYPlot plot = new CombinedDomainXYPlot(new DateAxis("Time"));
		plot.setBackgroundPaint(Color.white);
		plot.setDomainGridlinePaint(Color.black);
		plot.setRangeGridlinePaint(Color.black);
		plot.setForegroundAlpha(0.5f);
		plot.setBackgroundAlpha(0.5f);

		TimeSeriesCollection dataset1 = new TimeSeriesCollection();
		dataset1.addSeries(new TimeSeries("OC", Millisecond.class));
		dataset1.addSeries(new TimeSeries("OU", Millisecond.class));
		dataset1.addSeries(new TimeSeries("PC", Millisecond.class));
		dataset1.addSeries(new TimeSeries("PU", Millisecond.class));
		dataset1.addSeries(new TimeSeries("EC", Millisecond.class));
		dataset1.addSeries(new TimeSeries("EU", Millisecond.class));

		TimeSeriesCollection dataset2 = new TimeSeriesCollection();
		dataset2.addSeries(new TimeSeries("FGC", Millisecond.class));
		dataset2.addSeries(new TimeSeries("YGC", Millisecond.class));

		TimeSeriesCollection dataset3 = new TimeSeriesCollection();
		dataset3.addSeries(new TimeSeries("FGCT", Millisecond.class));
		dataset3.addSeries(new TimeSeries("YGCT", Millisecond.class));

		NumberAxis axisY1 = new NumberAxis("Kbyte");
		// axisY.setAutoRangeIncludesZero(false);
		// axisY.setRange(0, 60000);
		NumberAxis axisY2 = new NumberAxis("GC Count");
		NumberAxis axisY3 = new NumberAxis("GC Time (second)");

		XYPlot subplot1 = new XYPlot(dataset1, null, axisY1, new StandardXYItemRenderer());
		subplot1.setBackgroundPaint(Color.white);
		subplot1.setDomainGridlinePaint(Color.DARK_GRAY);
		subplot1.setRangeGridlinePaint(Color.DARK_GRAY);
		plot.add(subplot1);
		subplot1.getRenderer().setSeriesStroke(0, new java.awt.BasicStroke(2));
		subplot1.getRenderer().setSeriesStroke(1, new java.awt.BasicStroke(2));
		subplot1.getRenderer().setSeriesStroke(2, new java.awt.BasicStroke(2));
		subplot1.getRenderer().setSeriesStroke(3, new java.awt.BasicStroke(2));
		subplot1.getRenderer().setSeriesStroke(4, new java.awt.BasicStroke(2));
		subplot1.getRenderer().setSeriesStroke(5, new java.awt.BasicStroke(2));

		XYPlot subplot2 = new XYPlot(dataset2, null, axisY2, new StandardXYItemRenderer());
		subplot2.setBackgroundPaint(Color.white);
		subplot2.setDomainGridlinePaint(Color.DARK_GRAY);
		subplot2.setRangeGridlinePaint(Color.DARK_GRAY);
		plot.add(subplot2);
		subplot2.getRenderer().setSeriesStroke(0, new java.awt.BasicStroke(2));
		subplot2.getRenderer().setSeriesStroke(1, new java.awt.BasicStroke(2));

		XYPlot subplot3 = new XYPlot(dataset3, null, axisY3, new StandardXYItemRenderer());
		subplot3.setBackgroundPaint(Color.white);
		subplot3.setDomainGridlinePaint(Color.DARK_GRAY);
		subplot3.setRangeGridlinePaint(Color.DARK_GRAY);
		plot.add(subplot3);
		subplot3.getRenderer().setSeriesStroke(0, new java.awt.BasicStroke(2));
		subplot3.getRenderer().setSeriesStroke(1, new java.awt.BasicStroke(2));

		for (Journal j : alls) {
			try {
				dataset1.getSeries(0).add(new Millisecond(j.timestamp), j.oc);
				dataset1.getSeries(1).add(new Millisecond(j.timestamp), j.ou);
				dataset1.getSeries(2).add(new Millisecond(j.timestamp), j.pc);
				dataset1.getSeries(3).add(new Millisecond(j.timestamp), j.pu);
				dataset1.getSeries(4).add(new Millisecond(j.timestamp), j.ec);
				dataset1.getSeries(5).add(new Millisecond(j.timestamp), j.eu);

				dataset2.getSeries(0).add(new Millisecond(j.timestamp), j.fgc);
				dataset2.getSeries(1).add(new Millisecond(j.timestamp), j.ygc);

				dataset3.getSeries(0).add(new Millisecond(j.timestamp), j.fgctDiff);
				dataset3.getSeries(1).add(new Millisecond(j.timestamp), j.ygctDiff);
			} catch (org.jfree.data.general.SeriesException duplicated) {
			}
		}

		// SAVE GRAPH
		JFreeChart chart = new JFreeChart("JVM Heap Memory", plot);
		chart.setBorderPaint(Color.black);
		chart.setBorderVisible(true);
		chart.setBackgroundPaint(Color.white);
		chart.getTitle().setFont(new Font("Meiryo UI", 1, 22));

		// 凡例
		LegendTitle legend = chart.getLegend();
		legend.setBackgroundPaint(Color.white);
		legend.setMargin(10d, 10d, 10d, 10d);
		legend.setItemFont(new Font("Meiryo UI", 1, 12));

		// save
		File pngFile = new File(workDir + "\\jstat.png");
		try {
			ChartUtilities.saveChartAsPNG(pngFile, chart, 700, 750);
		} catch (IOException e) {
			e.printStackTrace();
		}
	}

}

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

183

184

185

186

187

188

189

190

191

192

193

194

195

196

197

198

199

200

201

202

203

204

205

206

207

208

209

210

211

212

213

214

215

216

217

218

219

220

221

222

223

224

225

226

227

228

229

230

231

232

233

234

235

236

237

238

239

240

241

242

243

244

245

246

247

248

249

250

251

252

253

254

255

256

257

258

259

260

261

262

263

264

265

266

267

268

269

270

271

272

273

274

275

276

277

278

279

280

281

282

283

284

285

286

287

288

289

290

291

292

293

294

295

296

297

298

299

300

301

302

303

304

305

306

307

308

309

310

311

312

313

314

315

316

317

318

319

320

321

322

323

324

325

326

327

import java.awt.Color;

import java.awt.Font;

import java.io.BufferedReader;

import java.io.File;

import java.io.FileInputStream;

import java.io.IOException;

import java.io.InputStreamReader;

import java.io.Serializable;

import java.text.SimpleDateFormat;

import java.util.ArrayList;

import java.util.Calendar;

import java.util.Date;

import java.util.List;

import org.jfree.chart.ChartFactory;

import org.jfree.chart.ChartUtilities;

import org.jfree.chart.JFreeChart;

import org.jfree.chart.StandardChartTheme;

import org.jfree.chart.axis.DateAxis;

import org.jfree.chart.axis.NumberAxis;

import org.jfree.chart.plot.CombinedDomainXYPlot;

import org.jfree.chart.plot.XYPlot;

import org.jfree.chart.renderer.xy.StandardXYItemRenderer;

import org.jfree.chart.title.LegendTitle;

import org.jfree.data.time.Millisecond;

import org.jfree.data.time.TimeSeries;

import org.jfree.data.time.TimeSeriesCollection;

public class GraphForJstat {

static int interval = 10; // second

static SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");

static class Journal implements Serializable {

private static final long serialVersionUID = -3906379676663036836L;

private String timestampString;

private Date timestamp;

private double s0c;

private double s1c;

private double s0u;

private double s1u;

private double ec;

private double eu;

private double oc;

private double ou;

private double pc;

private double pu;

private int ygc;

private double ygct;

private double ygctDiff;

private int fgc;

private double fgct;

private double fgctDiff;

private double gct;

private double gctDiff;

public Journal(String timestamp) {

try {

this.timestamp = sdf.parse(timestamp);

} catch (Exception e) {

throw new RuntimeException(e);

}

this.timestampString = timestamp;

}

public Journal(Date timestamp) {

this.timestamp = timestamp;

this.timestampString = sdf.format(timestamp);

}

public static List<Journal> readFile(String file) throws Exception {

long started = System.currentTimeMillis();

System.out.println("Open " + file);

List<Journal> result = new ArrayList<Journal>();

BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(file)));

String[] tokens = null;

String line = null;

Journal j = null;

int row = 0;

int journalCount = 0;

long lastTimed = System.currentTimeMillis();

Calendar timestamp = Calendar.getInstance();

while ((line = br.readLine()) != null) {

row++;

if (row % 100000 == 0) {

System.out.println(row + " line(s) buffered. (memory " + (Runtime.getRuntime().freeMemory() * 100 / Runtime.getRuntime().maxMemory()) + "% used) " + (System.currentTimeMillis() - lastTimed) + "ms");

lastTimed = System.currentTimeMillis();

}

if (line.trim().length() == 0)

continue;

line = line.trim();

if (line.startsWith("S0C")) {

// header line

continue;

}

if (line.startsWith("-----")) {

// 2014/10/28 23:04:04

timestamp.setTime(sdf.parse(line.replaceAll("-----", "").trim()));

} else {

// data field

List<String> buffers = new ArrayList<String>();

StringBuffer outB = new StringBuffer();

for (int i = 0; i < line.length(); i++) {

if (line.charAt(i) != ' ') {

outB.append(line.charAt(i));

} else {

if (outB.length() > 0) {

buffers.add(outB.toString());

outB = new StringBuffer();

}

if (outB.length() > 0) {

buffers.add(outB.toString());

}

tokens = buffers.toArray(new String[] {});

j = new Journal(timestamp.getTime());

timestamp.add(Calendar.SECOND, interval);

try {

j.s0c = toDouble(tokens[0]);

j.s1c = toDouble(tokens[1]);

j.s0u = toDouble(tokens[2]);

j.s1u = toDouble(tokens[3]);

j.ec = toDouble(tokens[4]);

j.eu = toDouble(tokens[5]);

j.oc = toDouble(tokens[6]);

j.ou = toDouble(tokens[7]);

j.pc = toDouble(tokens[8]);

j.pu = toDouble(tokens[9]);

j.ygc = toInt(tokens[10]);

j.ygct = toDouble(tokens[11]);

j.fgc = toInt(tokens[12]);

j.fgct = toDouble(tokens[13]);

j.gct = toDouble(tokens[14]);

if (journalCount == 0) {

j.fgctDiff = j.fgct;

j.ygctDiff = j.ygct;

j.gctDiff = j.gct;

} else {

Journal jBack = result.get(journalCount - 1);

j.fgctDiff = j.fgct - jBack.fgct;

j.ygctDiff = j.ygct - jBack.ygct;

j.gctDiff = j.gct - jBack.gct;

}

// //////////////////

// 追加

// //////////////////

result.add(j);

journalCount++;

} catch (Exception e) {

System.err.println("line " + row + " (tokens=" + tokens.length + ") : " + line);

for (int i = 0; i < tokens.length; i++) {

System.err.println("token[" + i + "]=[" + tokens[i] + "]");

}

e.printStackTrace();

System.exit(1);

}

br.close();

System.out.println("completed. (" + (System.currentTimeMillis() - started) + "ms, " + row + "rows)");

return result;

}

public static double toDouble(String v) {

return Double.parseDouble(v);

}

public static int toInt(String v) {

return Integer.parseInt(v);

}

public static List<String> getFiles(String path) {

List<String> files = new ArrayList<String>();

File f = new File(path);

File f2 = null;

for (String name : f.list()) {

f2 = new File(path + "\\" + name);

if (f2.isDirectory()) {

files.addAll(getFiles(f2.getAbsolutePath()));

} else {

files.add(f2.getAbsolutePath());

}

return files;

}

public static void main(String[] args) throws Exception {

File file = new File("C:\\\\jstat.txt");

String workDir = file.getParentFile().getAbsolutePath() + "\\" + file.getName() + ".output";

File outputDir = new File(workDir);

if (!outputDir.exists()) {

if (!outputDir.mkdirs()) {

System.err.println(workDir + " could not created.");

System.exit(1);

}

List<Journal> alls = new ArrayList<Journal>();

List<String> files = new ArrayList<String>();

if (file.isDirectory()) {

files.addAll(getFiles(file.getAbsolutePath()));

} else {

files.add(file.getAbsolutePath());

}

for (String filename : files) {

alls.addAll(readFile(filename));

}

// ////////////////////////////////////////////////////////////////////

// Graph

// ////////////////////////////////////////////////////////////////////

ChartFactory.setChartTheme(StandardChartTheme.createLegacyTheme());

CombinedDomainXYPlot plot = new CombinedDomainXYPlot(new DateAxis("Time"));

plot.setBackgroundPaint(Color.white);

plot.setDomainGridlinePaint(Color.black);

plot.setRangeGridlinePaint(Color.black);

plot.setForegroundAlpha(0.5f);

plot.setBackgroundAlpha(0.5f);

TimeSeriesCollection dataset1 = new TimeSeriesCollection();

dataset1.addSeries(new TimeSeries("OC", Millisecond.class));

dataset1.addSeries(new TimeSeries("OU", Millisecond.class));

dataset1.addSeries(new TimeSeries("PC", Millisecond.class));

dataset1.addSeries(new TimeSeries("PU", Millisecond.class));

dataset1.addSeries(new TimeSeries("EC", Millisecond.class));

dataset1.addSeries(new TimeSeries("EU", Millisecond.class));

TimeSeriesCollection dataset2 = new TimeSeriesCollection();

dataset2.addSeries(new TimeSeries("FGC", Millisecond.class));

dataset2.addSeries(new TimeSeries("YGC", Millisecond.class));

TimeSeriesCollection dataset3 = new TimeSeriesCollection();

dataset3.addSeries(new TimeSeries("FGCT", Millisecond.class));

dataset3.addSeries(new TimeSeries("YGCT", Millisecond.class));

NumberAxis axisY1 = new NumberAxis("Kbyte");

// axisY.setAutoRangeIncludesZero(false);

// axisY.setRange(0, 60000);

NumberAxis axisY2 = new NumberAxis("GC Count");

NumberAxis axisY3 = new NumberAxis("GC Time (second)");

XYPlot subplot1 = new XYPlot(dataset1, null, axisY1, new StandardXYItemRenderer());

subplot1.setBackgroundPaint(Color.white);

subplot1.setDomainGridlinePaint(Color.DARK_GRAY);

subplot1.setRangeGridlinePaint(Color.DARK_GRAY);

plot.add(subplot1);

subplot1.getRenderer().setSeriesStroke(0, new java.awt.BasicStroke(2));

subplot1.getRenderer().setSeriesStroke(1, new java.awt.BasicStroke(2));

subplot1.getRenderer().setSeriesStroke(2, new java.awt.BasicStroke(2));

subplot1.getRenderer().setSeriesStroke(3, new java.awt.BasicStroke(2));

subplot1.getRenderer().setSeriesStroke(4, new java.awt.BasicStroke(2));

subplot1.getRenderer().setSeriesStroke(5, new java.awt.BasicStroke(2));

XYPlot subplot2 = new XYPlot(dataset2, null, axisY2, new StandardXYItemRenderer());

subplot2.setBackgroundPaint(Color.white);

subplot2.setDomainGridlinePaint(Color.DARK_GRAY);

subplot2.setRangeGridlinePaint(Color.DARK_GRAY);

plot.add(subplot2);

subplot2.getRenderer().setSeriesStroke(0, new java.awt.BasicStroke(2));

subplot2.getRenderer().setSeriesStroke(1, new java.awt.BasicStroke(2));

XYPlot subplot3 = new XYPlot(dataset3, null, axisY3, new StandardXYItemRenderer());

subplot3.setBackgroundPaint(Color.white);

subplot3.setDomainGridlinePaint(Color.DARK_GRAY);

subplot3.setRangeGridlinePaint(Color.DARK_GRAY);

plot.add(subplot3);

subplot3.getRenderer().setSeriesStroke(0, new java.awt.BasicStroke(2));

subplot3.getRenderer().setSeriesStroke(1, new java.awt.BasicStroke(2));

for (Journal j : alls) {

try {

dataset1.getSeries(0).add(new Millisecond(j.timestamp), j.oc);

dataset1.getSeries(1).add(new Millisecond(j.timestamp), j.ou);

dataset1.getSeries(2).add(new Millisecond(j.timestamp), j.pc);

dataset1.getSeries(3).add(new Millisecond(j.timestamp), j.pu);

dataset1.getSeries(4).add(new Millisecond(j.timestamp), j.ec);

dataset1.getSeries(5).add(new Millisecond(j.timestamp), j.eu);

dataset2.getSeries(0).add(new Millisecond(j.timestamp), j.fgc);

dataset2.getSeries(1).add(new Millisecond(j.timestamp), j.ygc);

dataset3.getSeries(0).add(new Millisecond(j.timestamp), j.fgctDiff);

dataset3.getSeries(1).add(new Millisecond(j.timestamp), j.ygctDiff);

} catch (org.jfree.data.general.SeriesException duplicated) {

}

// SAVE GRAPH

JFreeChart chart = new JFreeChart("JVM Heap Memory", plot);

chart.setBorderPaint(Color.black);

chart.setBorderVisible(true);

chart.setBackgroundPaint(Color.white);

chart.getTitle().setFont(new Font("Meiryo UI", 1, 22));

// 凡例

LegendTitle legend = chart.getLegend();

legend.setBackgroundPaint(Color.white);

legend.setMargin(10d, 10d, 10d, 10d);

legend.setItemFont(new Font("Meiryo UI", 1, 12));

// save

File pngFile = new File(workDir + "\\jstat.png");

try {

ChartUtilities.saveChartAsPNG(pngFile, chart, 700, 750);

} catch (IOException e) {

e.printStackTrace();

}

Posted in 未分類 | コメントは受け付けていません。

24
5月

2014년 5월 24일 운동회

2014년5월24일 운동회 짧은 버전은 아래를 보세요.

Posted in 未分類 | コメントは受け付けていません。

24
2月

Windows에서 CPU사용량 출력하기

C:\Users\jojh>typeperf -si 5 “\Pro … Continue reading →

Posted in 未分類 | コメントは受け付けていません。

24
7月

保護中: SOAP 이용방법

この投稿はパスワードで保護されているため抜粋文はありません。

Posted in 未分類 | コメントは受け付けていません。

7
4月

保護中: ActionBarSherlock 인스톨하기

この投稿はパスワードで保護されているため抜粋文はありません。

Posted in 未分類 | コメントは受け付けていません。

6
4月

Android IntentService에 대해서

IntentService는 비동기로 실행되는 쓰레드인데, 여러번 실행되었 … Continue reading →

Posted in 未分類 | コメントは受け付けていません。

2
4月

保護中: 익스체인지 서버 설명자료

この投稿はパスワードで保護されているため抜粋文はありません。

Posted in Mail, 未分類 | コメントは受け付けていません。

2
2月

CookieManager

CookieSyncManager.createInstance(MyActivity.this);
CookieSyncManager.getInstance().startSync();
CookieManager cookieManager = CookieManager.getInstance();
cookieManager.setAcceptCookie(true);
cookieManager.removeExpiredCookie();

CookieSyncManager.createInstance(MyActivity.this);

CookieSyncManager.getInstance().startSync();

CookieManager cookieManager = CookieManager.getInstance();

cookieManager.setAcceptCookie(true);

cookieManager.removeExpiredCookie();

그리고 쿠키를 설정할때는 ra … Continue reading →

Posted in 未分類 | コメントは受け付けていません。

Category Archives: 未分類

2017년 12월 29일

postfix에서 멀티도메인 이용방법

jstat를 jfreechart로 그래프화

2014년 5월 24일 운동회

Windows에서 CPU사용량 출력하기

保護中: SOAP 이용방법

保護中: ActionBarSherlock 인스톨하기

Android IntentService에 대해서

保護中: 익스체인지 서버 설명자료

CookieManager

最近の投稿

最近のコメント

アーカイブ

カテゴリー

メタ情報