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yacy_search_server/source/dbtest.java

510 lines
23 KiB

// test application
// shall be used to compare the kelondroDB with other databases
// with relevance to yacy-specific use cases
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Random;
import javax.imageio.ImageIO;
import de.anomic.kelondro.kelondroBase64Order;
import de.anomic.kelondro.kelondroCache;
import de.anomic.kelondro.kelondroFlexSplitTable;
import de.anomic.kelondro.kelondroFlexTable;
import de.anomic.kelondro.kelondroIndex;
import de.anomic.kelondro.kelondroIntBytesMap;
import de.anomic.kelondro.kelondroProfile;
import de.anomic.kelondro.kelondroRow;
import de.anomic.kelondro.kelondroRowSet;
import de.anomic.kelondro.kelondroSQLTable;
import de.anomic.kelondro.kelondroSplittedTree;
import de.anomic.kelondro.kelondroTree;
import de.anomic.server.serverInstantThread;
import de.anomic.server.serverMemory;
import de.anomic.server.logging.serverLog;
import de.anomic.ymage.ymageChart;
public class dbtest {
public final static int keylength = 12;
public final static int valuelength = 223; // sum of all data length as defined in plasmaURL
public final static long preload = 1000; // 1 second
public static byte[] dummyvalue2 = new byte[valuelength];
static {
// fill the dummy value
for (int i = 0; i < valuelength; i++) dummyvalue2[i] = '-';
dummyvalue2[0] = '{';
dummyvalue2[valuelength - 1] = '}';
}
public static byte[] randomHash(final long r0, final long r1) {
// a long can have 64 bit, but a 12-byte hash can have 6 * 12 = 72 bits
// so we construct a generic Hash using two long values
String s = (kelondroBase64Order.enhancedCoder.encodeLong(Math.abs(r0), 6) +
kelondroBase64Order.enhancedCoder.encodeLong(Math.abs(r1), 6));
return s.getBytes();
}
public static byte[] randomHash(Random r) {
return randomHash(r.nextLong(), r.nextLong());
}
public final static class STEntry {
private final byte[] key;
private final byte[] value;
public STEntry(final long aSource) {
this.key = randomHash(aSource, aSource);
this.value = new byte[valuelength];
for (int i = 0; i < valuelength; i++) this.value[i] = 0;
final byte[] tempKey = String.valueOf(aSource).getBytes();
System.arraycopy(tempKey, 0, this.value, 0, tempKey.length);
}
public STEntry(final byte[] aKey, final byte[] aValue) {
this.key = aKey;
this.value = aValue;
}
public boolean isValid() {
String s = new String(this.value).trim();
if (s.length() == 0) return false;
final long source = new Long(s).longValue();
return new String(this.key).equals(new String(randomHash(source, source)));
}
public byte[] getKey() {
return this.key;
}
public byte[] getValue() {
return this.value;
}
public String toString() {
return new String(this.key) + "#" + new String(this.value);
}
}
public static abstract class STJob implements Runnable {
private final kelondroIndex table;
private final long source;
public STJob(final kelondroIndex aTable, final long aSource) {
this.table = aTable;
this.source = aSource;
}
public kelondroIndex getTable() {
return this.table;
}
public abstract void run();
public long getSource() {
return this.source;
}
}
public static final class WriteJob extends STJob {
public WriteJob(final kelondroIndex aTable, final long aSource) {
super(aTable, aSource);
}
public void run() {
final STEntry entry = new STEntry(this.getSource());
System.out.println("write: " + serverLog.arrayList(entry.getKey(), 0, entry.getKey().length));
try {
getTable().put(getTable().row().newEntry(new byte[][] { entry.getKey(), entry.getValue() , entry.getValue() }));
} catch (IOException e) {
System.err.println(e);
e.printStackTrace();
System.exit(0);
}
}
}
public static final class RemoveJob extends STJob {
public RemoveJob(final kelondroIndex aTable, final long aSource) {
super(aTable, aSource);
}
public void run() {
final STEntry entry = new STEntry(this.getSource());
System.out.println("remove: " + serverLog.arrayList(entry.getKey(), 0, entry.getKey().length));
try {
getTable().remove(entry.getKey(), false);
} catch (IOException e) {
System.err.println(e);
e.printStackTrace();
System.exit(0);
}
}
}
public static final class ReadJob extends STJob {
public ReadJob(final kelondroIndex aTable, final long aSource) {
super(aTable, aSource);
}
public void run() {
final STEntry entry = new STEntry(this.getSource());
try {
final kelondroRow.Entry entryBytes = getTable().get(entry.getKey());
if (entryBytes != null) {
//System.out.println("ENTRY=" + entryBytes.getColString(1, null));
final STEntry dbEntry = new STEntry(entryBytes.getColBytes(0), entryBytes.getColBytes(1));
if (!dbEntry.isValid()) {
System.out.println("INVALID: " + dbEntry);
}/* else {
System.out.println("_VALID_: " + dbEntry);
getTable().remove(entry.getKey());
}*/
}
} catch (IOException e) {
System.err.println(e);
e.printStackTrace();
System.exit(0);
}
}
}
public static void main(String[] args) {
System.setProperty("java.awt.headless", "true");
String dbe = args[0]; // the database engine
String command = args[1]; // test command
String tablename = args[2]; // name of test-table
long startup = System.currentTimeMillis();
try {
kelondroIndex table = null;
// create a memory profiler
memprofiler profiler = new memprofiler(1024, 320, 120, new File(tablename + ".profile.png"));
profiler.start();
// create the database access
kelondroRow testRow = new kelondroRow("byte[] key-" + keylength + ", byte[] dummy-" + keylength + ", value-" + valuelength, kelondroBase64Order.enhancedCoder, 0);
if (dbe.equals("kelondroRowSet")) {
table = new kelondroRowSet(testRow, 0);
}
if (dbe.equals("kelondroTree")) {
File tablefile = new File(tablename + ".kelondro.db");
table = new kelondroCache(new kelondroTree(tablefile, true, preload, testRow), true, false);
}
if (dbe.equals("kelondroSplittedTree")) {
File tablepath = new File(tablename).getParentFile();
tablename = new File(tablename).getName();
table = new kelondroSplittedTree(tablepath, tablename, kelondroBase64Order.enhancedCoder,
preload, 8, testRow, 1, 80);
}
if (dbe.equals("kelondroFlexTable")) {
File tablepath = new File(tablename).getParentFile();
table = new kelondroFlexTable(tablepath, new File(tablename).getName(), preload, testRow, 0, true);
}
if (dbe.equals("kelondroFlexSplitTable")) {
File tablepath = new File(tablename).getParentFile();
table = new kelondroFlexSplitTable(tablepath, new File(tablename).getName(), preload, testRow, true);
}
if (dbe.equals("mysql")) {
table = new kelondroSQLTable("mysql", testRow);
}
if (dbe.equals("pgsql")) {
table = new kelondroSQLTable("pgsql", testRow);
}
long afterinit = System.currentTimeMillis();
System.out.println("Test for db-engine " + dbe + " started to create file " + tablename + " with test " + command);
// execute command
if (command.equals("create")) {
// do nothing, since opening of the database access must handle this
System.out.println("Database created");
}
if (command.equals("fill")) {
// fill database with random entries;
// args: <number-of-entries> <random-startpoint>
long count = Long.parseLong(args[3]);
long randomstart = Long.parseLong(args[4]);
Random random = new Random(randomstart);
byte[] key;
kelondroProfile ioProfileAcc = new kelondroProfile();
kelondroProfile cacheProfileAcc = new kelondroProfile();
kelondroProfile[] profiles;
for (int i = 0; i < count; i++) {
key = randomHash(random);
table.put(table.row().newEntry(new byte[][]{key, key, dummyvalue2}));
if (i % 1000 == 0) {
System.out.println(i + " entries. ");
if (table instanceof kelondroTree) {
profiles = ((kelondroTree) table).profiles();
System.out.println("Cache Delta: " + kelondroProfile.delta(profiles[0], cacheProfileAcc).toString());
System.out.println("IO Delta: " + kelondroProfile.delta(profiles[1], ioProfileAcc).toString());
cacheProfileAcc = (kelondroProfile) profiles[0].clone();
ioProfileAcc = (kelondroProfile) profiles[1].clone();
}
}
}
}
if (command.equals("benchfill")) {
// fill database with random entries;
// args: <number-of-entries> <random-startpoint>
long count = Long.parseLong(args[3]);
long time = System.currentTimeMillis();
long randomstart = Long.parseLong(args[4]);
Random random = new Random(randomstart);
byte[] key;
for (int i = 0; i < count; i++) {
key = randomHash(random);
table.put(table.row().newEntry(new byte[][]{key, key, dummyvalue2}));
if (i % 10000 == 0) {
System.out.println(System.currentTimeMillis() - time);
}
}
}
if (command.equals("read")) {
// read the database and compare with random entries;
// args: <number-of-entries> <random-startpoint>
long count = Long.parseLong(args[3]);
long randomstart = Long.parseLong(args[4]);
Random random = new Random(randomstart);
kelondroRow.Entry entry;
byte[] key;
for (int i = 0; i < count; i++) {
key = randomHash(random);
entry = table.get(key);
if (entry == null) System.out.println("missing value for entry " + new String(key)); else
if (!(new String(entry.getColBytes(1)).equals(new String(key)))) System.out.println("wrong value for entry " + new String(key) + ": " + new String(entry.getColBytes(1)));
if (i % 1000 == 0) {
System.out.println(i + " entries processed so far.");
}
}
}
if (command.equals("benchread")) {
// read the database and compare with random entries;
// args: <number-of-entries> <random-startpoint>
long count = Long.parseLong(args[3]);
long time = System.currentTimeMillis();
long randomstart = Long.parseLong(args[4]);
Random random = new Random(randomstart);
kelondroRow.Entry entry;
byte[] key;
for (int i = 0; i < count; i++) {
key = randomHash(random);
entry = table.get(key);
if (entry == null) System.out.println("missing value for entry " + new String(key)); else
if (!(new String(entry.getColBytes(1)).equals(new String(key)))) System.out.println("wrong value for entry " + new String(key) + ": " + new String(entry.getColBytes(1)));
if (i % 10000 == 0) {
System.out.println(System.currentTimeMillis() - time);
}
}
}
if (command.equals("ramtest")) {
// fill database with random entries and delete them again;
// this is repeated without termination; after each loop
// the current ram is printed out
// args: <number-of-entries> <random-startpoint>
long count = Long.parseLong(args[3]);
long randomstart = Long.parseLong(args[4]);
byte[] key;
Random random;
long start, write, remove;
int loop = 0;
while (true) {
// write
random = new Random(randomstart);
start = System.currentTimeMillis();
for (int i = 0; i < count; i++) {
key = randomHash(random);
table.put(table.row().newEntry(new byte[][]{key, key, dummyvalue2}));
}
write = System.currentTimeMillis() - start;
// delete
random = new Random(randomstart);
start = System.currentTimeMillis();
for (int i = 0; i < count; i++) {
key = randomHash(random);
table.remove(key, false);
}
remove = System.currentTimeMillis() - start;
System.out.println("Loop " + loop + ": Write = " + write + ", Remove = " + remove);
System.out.println(" bevore GC: " +
"free = " + Runtime.getRuntime().freeMemory() +
", max = " + Runtime.getRuntime().maxMemory() +
", total = " + Runtime.getRuntime().totalMemory());
System.gc();
System.out.println(" after GC: " +
"free = " + Runtime.getRuntime().freeMemory() +
", max = " + Runtime.getRuntime().maxMemory() +
", total = " + Runtime.getRuntime().totalMemory());
loop++;
}
}
if (command.equals("list")) {
Iterator i = null;
if (table instanceof kelondroSplittedTree) i = ((kelondroSplittedTree) table).rows(true, null);
if (table instanceof kelondroTree) i = ((kelondroTree) table).rows(true, null);
if (table instanceof kelondroSQLTable) i = ((kelondroSQLTable) table).rows(true, null);
byte[][] row;
while (i.hasNext()) {
row = (byte[][]) i.next();
for (int j = 0; j < row.length; j++) System.out.print(new String(row[j]) + ",");
System.out.println();
}
}
if (command.equals("stressThreaded")) {
//
// args: <number-of-writes> <number-of-reads-per-write> <random-startpoint>
// example: kelondroFlexTable stressThreaded /Users/admin/dbtest 500 50 0
long writeCount = Long.parseLong(args[3]);
long readCount = Long.parseLong(args[4]);
long randomstart = Long.parseLong(args[5]);
final Random random = new Random(randomstart);
long r;
Long R;
int p, rc=0;
ArrayList ra = new ArrayList();
HashSet jcontrol = new HashSet();
kelondroIntBytesMap kcontrol = new kelondroIntBytesMap(1, 0);
for (int i = 0; i < writeCount; i++) {
r = Math.abs(random.nextLong() % 1000);
jcontrol.add(new Long(r));
kcontrol.putb((int) r, "x".getBytes());
serverInstantThread.oneTimeJob(new WriteJob(table, r), 0, 50);
if (random.nextLong() % 5 == 0) ra.add(new Long(r));
for (int j = 0; j < readCount; j++) {
serverInstantThread.oneTimeJob(new ReadJob(table, random.nextLong() % writeCount), random.nextLong() % 1000, 20);
}
if ((ra.size() > 0) && (random.nextLong() % 7 == 0)) {
rc++;
p = Math.abs(random.nextInt()) % ra.size();
R = (Long) ra.get(p);
jcontrol.remove(R);
kcontrol.removeb((int) R.longValue());
System.out.println("remove: " + R.longValue());
serverInstantThread.oneTimeJob(new RemoveJob(table, ((Long) ra.remove(p)).longValue()), 0, 50);
}
}
System.out.println("removed: " + rc + ", size of jcontrol set: " + jcontrol.size() + ", size of kcontrol set: " + kcontrol.size());
while (serverInstantThread.instantThreadCounter > 0) {
try {Thread.sleep(1000);} catch (InterruptedException e) {} // wait for all tasks to finish
System.out.println("count: " + serverInstantThread.instantThreadCounter + ", jobs: " + serverInstantThread.jobs.toString());
}
try {Thread.sleep(6000);} catch (InterruptedException e) {}
}
if (command.equals("stressSequential")) {
//
// args: <number-of-writes> <number-of-reads> <random-startpoint>
long writeCount = Long.parseLong(args[3]);
long readCount = Long.parseLong(args[4]);
long randomstart = Long.parseLong(args[5]);
Random random = new Random(randomstart);
long r;
Long R;
int p, rc=0;
ArrayList ra = new ArrayList();
HashSet jcontrol = new HashSet();
kelondroIntBytesMap kcontrol = new kelondroIntBytesMap(1, 0);
for (int i = 0; i < writeCount; i++) {
//if (i == 30) random = new Random(randomstart);
r = Math.abs(random.nextLong() % 1000);
jcontrol.add(new Long(r));
kcontrol.putb((int) r, "x".getBytes());
new WriteJob(table, r).run();
if (random.nextLong() % 5 == 0) ra.add(new Long(r));
for (int j = 0; j < readCount; j++) {
new ReadJob(table, random.nextLong() % writeCount).run();
}
if ((ra.size() > 0) && (random.nextLong() % 7 == 0)) {
rc++;
p = Math.abs(random.nextInt()) % ra.size();
R = (Long) ra.get(p);
jcontrol.remove(R);
kcontrol.removeb((int) R.longValue());
new RemoveJob(table, ((Long) ra.remove(p)).longValue()).run();
}
}
try {Thread.sleep(1000);} catch (InterruptedException e) {}
System.out.println("removed: " + rc + ", size of jcontrol set: " + jcontrol.size() + ", size of kcontrol set: " + kcontrol.size());
}
long aftercommand = System.currentTimeMillis();
// final report
System.out.println("Database size = " + table.size() + " unique entries.");
// finally close the database/table
table.close();
long afterclose = System.currentTimeMillis();
System.out.println("Execution time: open=" + (afterinit - startup) + ", command=" + (aftercommand - afterinit) + ", close=" + (afterclose - aftercommand) + ", total=" + (afterclose - startup));
profiler.terminate();
} catch (Exception e) {
e.printStackTrace();
}
}
}
final class memprofiler extends Thread {
ymageChart memChart;
boolean run;
File outputFile;
long start;
public memprofiler(int width, int height, int expectedTimeSeconds, File outputFile) {
this.outputFile = outputFile;
int expectedKilobytes = 20 * 1024;//(Runtime.getRuntime().totalMemory() / 1024);
memChart = new ymageChart(width, height, "FFFFFF", "000000", 50, 20, 20, 20, "MEMORY CHART FROM EXECUTION AT " + new Date());
int timescale = 10; // steps with each 10 seconds
int memscale = 1024;
memChart.declareDimension(ymageChart.DIMENSION_BOTTOM, timescale, (width - 40) * timescale / expectedTimeSeconds, 0, "FFFFFF", "555555", "SECONDS");
memChart.declareDimension(ymageChart.DIMENSION_LEFT, memscale, (height - 40) * memscale / expectedKilobytes, 0, "FFFFFF", "555555", "KILOBYTES");
run = true;
start = System.currentTimeMillis();
}
public void run() {
int seconds0 = 0, kilobytes0 = 0;
int seconds1 = 0, kilobytes1 = 0;
while(run) {
memChart.setColor("FF0000");
seconds1 = (int) ((System.currentTimeMillis() - start) / 1000);
kilobytes1 = (int) (serverMemory.used() / 1024);
memChart.chartLine(ymageChart.DIMENSION_BOTTOM, ymageChart.DIMENSION_LEFT, seconds0, kilobytes0, seconds1, kilobytes1);
seconds0 = seconds1;
kilobytes0 = kilobytes1;
try {Thread.sleep(100);} catch (InterruptedException e) {}
}
try {
ImageIO.write(memChart.getImage(), "png", outputFile);
} catch (IOException e) {}
}
public void terminate() {
run = false;
while (this.isAlive()) {
try {Thread.sleep(1000);} catch (InterruptedException e) {}
}
}
}