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Java Environment.getStats方法代码示例

本文整理汇总了Java中com.sleepycat.je.Environment.getStats方法的典型用法代码示例。如果您正苦于以下问题:Java Environment.getStats方法的具体用法?Java Environment.getStats怎么用?Java Environment.getStats使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在com.sleepycat.je.Environment的用法示例。


在下文中一共展示了Environment.getStats方法的6个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: printStats

import com.sleepycat.je.Environment; //导入方法依赖的package包/类
private static void printStats(PrintStream out,
                               Environment env,
                               String msg)
    throws DatabaseException {

    out.println();
    out.println(msg + ':');

    EnvironmentStats stats = env.getStats(null);

    out.println("CacheSize=" +
                INT_FORMAT.format(stats.getCacheTotalBytes()) +
                " BtreeSize=" +
                INT_FORMAT.format(stats.getCacheDataBytes()) +
                " NCacheMiss=" +
                INT_FORMAT.format(stats.getNCacheMiss()));

    if (stats.getNNodesScanned() > 0) {
        out.println("*** All records did not fit in the cache ***");
    }
}
 
开发者ID:nologic,项目名称:nabs,代码行数:22,代码来源:DbCacheSize.java

示例2: printStats

import com.sleepycat.je.Environment; //导入方法依赖的package包/类
private static void printStats(PrintStream out,
                               Environment env,
                               String msg)
    throws DatabaseException {

    out.println();
    out.println(msg + ':');

    EnvironmentStats stats = env.getStats(null);

    out.println("CacheSize=" +
                INT_FORMAT.format(stats.getCacheTotalBytes()) +
                " BtreeSize=" +
                INT_FORMAT.format(stats.getCacheDataBytes()));

    if (stats.getNNodesScanned() > 0) {
        out.println("*** All records did not fit in the cache ***");
    }
}
 
开发者ID:nologic,项目名称:nabs,代码行数:20,代码来源:DbCacheSize.java

示例3: getStats

import com.sleepycat.je.Environment; //导入方法依赖的package包/类
/**
 * Returns the Btree size, and prints a few other stats for testing.
 */
private static long getStats(final PrintStream out,
                             final Environment env,
                             final String msg) {
    if (out != null) {
        out.println();
        out.println(msg + ':');
    }

    final EnvironmentStats stats = env.getStats(null);
    final long btreeSize = DbInternal.getEnvironmentImpl(env).
        getMemoryBudget().getTreeMemoryUsage();

    if (out != null) {
        out.println
            ("CacheSize=" +
             INT_FORMAT.format(stats.getCacheTotalBytes()) +
             " BtreeSize=" + INT_FORMAT.format(btreeSize)  +
             " BottomINs=" + INT_FORMAT.format(stats.getNCachedBINs()) +
             " UpperINs=" +
             INT_FORMAT.format(stats.getNCachedUpperINs()) +
             " NCacheMiss=" + INT_FORMAT.format(stats.getNCacheMiss()));
    }

    if (stats.getNNodesScanned() > 0) {
        throw new IllegalStateException
            ("*** All records did not fit in the cache ***");
    }
    return btreeSize;
}
 
开发者ID:prat0318,项目名称:dbms,代码行数:33,代码来源:DbCacheSize.java

示例4: invoke

import com.sleepycat.je.Environment; //导入方法依赖的package包/类
/**
 * Invoke an operation for the given environment.
 *
 * @param targetEnv The target JE environment. May be null if the
 * environment is not open.
 * @param actionName operation name.
 * @param params operation parameters. May be null.
 * @param signature operation signature. May be null.
 * @return the operation result
 */
public Object invoke(Environment targetEnv,
                     String actionName,
                     Object [] params,
                     String [] signature)
    throws MBeanException {

    /* Sanity checking. */
    if (actionName == null) {
        throw new IllegalArgumentException("actionName cannot be null");
    }

    try {
        if (targetEnv != null) {
            if (actionName.equals(OP_CLEAN)) {
                int numFiles = targetEnv.cleanLog();
                return new Integer(numFiles);
            } else if (actionName.equals(OP_EVICT)) {
                targetEnv.evictMemory();
                return null;
            } else if (actionName.equals(OP_CHECKPOINT)) {
                CheckpointConfig config = new CheckpointConfig();
                if ((params != null) && (params.length > 0)) {
                    Boolean force = (Boolean) params[0];
                    config.setForce(force.booleanValue());
                }
                targetEnv.checkpoint(config);
                return null;
            } else if (actionName.equals(OP_SYNC)) {
                targetEnv.sync();
                return null;
            } else if (actionName.equals(OP_ENV_STAT)) {
                return targetEnv.getStats(getStatsConfig(params));
            } else if (actionName.equals(OP_LOCK_STAT)) {
                return targetEnv.getLockStats(getStatsConfig(params));
            } else if (actionName.equals(OP_TXN_STAT)) {
                return targetEnv.getTransactionStats(
                                                   getStatsConfig(params));
            } else if (actionName.equals(OP_DB_NAMES)) {
                return targetEnv.getDatabaseNames();
            } else if (actionName.equals(OP_DB_STAT)) {
                return getDatabaseStats(targetEnv, params);
            }
        }

        return new IllegalArgumentException("actionName: " +
                                            actionName +
                                            " is not valid");
    } catch (DatabaseException e) {
        /*
         * Add both the message and the exception for easiest
         * deciphering of the problem. Sometimes the original exception
         * stacktrace gets hidden in server logs.
         */
        throw new MBeanException(e, e.getMessage());
    }
}
 
开发者ID:nologic,项目名称:nabs,代码行数:67,代码来源:JEMBeanHelper.java

示例5: testCleanerStop

import com.sleepycat.je.Environment; //导入方法依赖的package包/类
/**
    * Tests that setting je.env.runCleaner=false stops the cleaner from
    * processing more files even if the target minUtilization is not met
    * [#15158].
    */
   public void testCleanerStop()
throws Throwable {

       final int fileSize = 1000000;
       EnvironmentConfig envConfig = TestUtils.initEnvConfig();
       envConfig.setAllowCreate(true);
       envConfig.setConfigParam
    (EnvironmentParams.ENV_RUN_CLEANER.getName(), "false");
       envConfig.setConfigParam
           (EnvironmentParams.LOG_FILE_MAX.getName(),
            Integer.toString(fileSize));
       envConfig.setConfigParam
    (EnvironmentParams.CLEANER_MIN_UTILIZATION.getName(), "80");
       Environment env = new Environment(envHome, envConfig);

       DatabaseConfig dbConfig = new DatabaseConfig();
       dbConfig.setAllowCreate(true);
       Database db = env.openDatabase(null, "CleanerStop", dbConfig);

       DatabaseEntry key = new DatabaseEntry(new byte[1]);
       DatabaseEntry data = new DatabaseEntry(new byte[fileSize]);
       for (int i = 0; i <= 10; i += 1) {
           db.put(null, key, data);
       }
       env.checkpoint(forceConfig);

       EnvironmentStats stats = env.getStats(null);
       assertEquals(0, stats.getNCleanerRuns());

       envConfig = env.getConfig();
       envConfig.setConfigParam
    (EnvironmentParams.ENV_RUN_CLEANER.getName(), "true");
       env.setMutableConfig(envConfig);

       int iter = 0;
       while (stats.getNCleanerRuns() == 0) {
           iter += 1;
           if (iter == 20) {
               fail("Cleaner did not run after " + iter + " tries");
           }
           Thread.yield();
           Thread.sleep(1);
           stats = env.getStats(null);
       }

       envConfig.setConfigParam
    (EnvironmentParams.ENV_RUN_CLEANER.getName(), "false");
       env.setMutableConfig(envConfig);

       int prevNFiles = stats.getNCleanerRuns();
       stats = env.getStats(null);
       int currNFiles = stats.getNCleanerRuns();
       if (currNFiles - prevNFiles > 5) {
           fail("Expected less than 5 files cleaned," +
                " prevNFiles=" + prevNFiles +
                " currNFiles=" + currNFiles);
       }

       //System.out.println("Num runs: " + stats.getNCleanerRuns());

db.close();
env.close();
   }
 
开发者ID:nologic,项目名称:nabs,代码行数:69,代码来源:CleanerTest.java

示例6: invoke

import com.sleepycat.je.Environment; //导入方法依赖的package包/类
/**
 * Invoke an operation for the given environment.
 * 
 * @param targetEnv The target JE environment. May be null if the
 * environment is not open.
 * @param actionName operation name.
 * @param params operation parameters. May be null.
 * @param signature operation signature. May be null.
 * @return the operation result
 */
public Object invoke(Environment targetEnv,
                     String actionName,
                     Object [] params,
                     String [] signature) 
    throws MBeanException {

    /* Sanity checking. */
    if (actionName == null) {
        throw new IllegalArgumentException("actionName cannot be null");
    }

    try {
        if (targetEnv != null) {
            if (actionName.equals(OP_CLEAN)) {
                int numFiles = targetEnv.cleanLog();
                return new Integer(numFiles);
            } else if (actionName.equals(OP_EVICT)) {
                targetEnv.evictMemory();
                return null;
            } else if (actionName.equals(OP_CHECKPOINT)) {
                CheckpointConfig config = new CheckpointConfig();
                if ((params != null) && (params.length > 0)) {
                    Boolean force = (Boolean) params[0];
                    config.setForce(force.booleanValue());
                }
                targetEnv.checkpoint(config);
                return null;
            } else if (actionName.equals(OP_SYNC)) {
                targetEnv.sync();
                return null;
            } else if (actionName.equals(OP_ENV_STAT)) {
                return targetEnv.getStats(getStatsConfig(params));
            } else if (actionName.equals(OP_LOCK_STAT)) {
                return targetEnv.getLockStats(getStatsConfig(params));
            } else if (actionName.equals(OP_TXN_STAT)) {
                return targetEnv.getTransactionStats(
                                                   getStatsConfig(params));
            } else if (actionName.equals(OP_DB_NAMES)) {
                return targetEnv.getDatabaseNames();
            } else if (actionName.equals(OP_DB_STAT)) {
                return getDatabaseStats(targetEnv, params);
            }
        } 

        return new IllegalArgumentException("actionName: " +
                                            actionName +
                                            " is not valid");
    } catch (DatabaseException e) {
        /* 
         * Add both the message and the exception for easiest
         * deciphering of the problem. Sometimes the original exception
         * stacktrace gets hidden in server logs.
         */
        throw new MBeanException(e, e.getMessage());
    }
}
 
开发者ID:nologic,项目名称:nabs,代码行数:67,代码来源:JEMBeanHelper.java


注:本文中的com.sleepycat.je.Environment.getStats方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。