Examples with StatisticsObjectConfiguration org.apache.ignite.internal.processors.query.stat.config.StatisticsObjectConfiguration used on opensource projects

Example 1 with StatisticsObjectConfiguration

use of org.apache.ignite.internal.processors.query.stat.config.StatisticsObjectConfiguration in project ignite by apache.

the class IgniteStatisticsConfigurationManager method refreshStatistics.

/**
 * Refresh local statistic for specified database objects on the cluster.
 *
 * @param targets DB objects to statistics update.
 */
public void refreshStatistics(List<StatisticsTarget> targets) {
    if (log.isDebugEnabled())
        log.debug("Drop statistics [targets=" + targets + ']');
    for (StatisticsTarget target : targets) {
        String key = key2String(target.key());
        try {
            while (true) {
                StatisticsObjectConfiguration oldCfg = distrMetaStorage.read(key);
                validateDropRefresh(target, oldCfg);
                Set<String> cols;
                if (F.isEmpty(target.columns())) {
                    cols = oldCfg.columns().values().stream().map(StatisticsColumnConfiguration::name).collect(Collectors.toSet());
                } else
                    cols = Arrays.stream(target.columns()).collect(Collectors.toSet());
                StatisticsObjectConfiguration newCfg = oldCfg.refresh(cols);
                if (distrMetaStorage.compareAndSet(key, oldCfg, newCfg))
                    break;
            }
        } catch (IgniteCheckedException ex) {
            throw new IgniteSQLException("Error on get or update statistic schema", IgniteQueryErrorCode.UNKNOWN, ex);
        }
    }
}

Example 2 with StatisticsObjectConfiguration

use of org.apache.ignite.internal.processors.query.stat.config.StatisticsObjectConfiguration in project ignite by apache.

the class IgniteStatisticsConfigurationManager method updateAllLocalStatistics.

/**
 * Scan statistics configuration and update each key it contains.
 */
public void updateAllLocalStatistics() {
    try {
        distrMetaStorage.iterate(STAT_OBJ_PREFIX, (k, v) -> {
            StatisticsObjectConfiguration cfg = (StatisticsObjectConfiguration) v;
            updateLocalStatistics(cfg);
        });
    } catch (IgniteCheckedException e) {
        log.warning("Unexpected statistics configuration processing error", e);
    }
}

Example 3 with StatisticsObjectConfiguration

use of org.apache.ignite.internal.processors.query.stat.config.StatisticsObjectConfiguration in project ignite by apache.

the class IgniteStatisticsConfigurationManager method dropAll.

/**
 * Drop all local statistics on the cluster.
 */
public void dropAll() {
    try {
        final List<StatisticsTarget> targetsToRemove = new ArrayList<>();
        distrMetaStorage.iterate(STAT_OBJ_PREFIX, (k, v) -> {
            StatisticsKey statKey = ((StatisticsObjectConfiguration) v).key();
            StatisticsObjectConfiguration cfg = (StatisticsObjectConfiguration) v;
            if (!F.isEmpty(cfg.columns()))
                targetsToRemove.add(new StatisticsTarget(statKey, null));
        });
        dropStatistics(targetsToRemove, false);
    } catch (IgniteCheckedException e) {
        throw new IgniteSQLException("Unexpected exception drop all statistics", IgniteQueryErrorCode.UNKNOWN, e);
    }
}

Example 4 with StatisticsObjectConfiguration

use of org.apache.ignite.internal.processors.query.stat.config.StatisticsObjectConfiguration in project ignite by apache.

the class IgniteStatisticsConfigurationManager method updateStatistics.

/**
 * Update local statistic for specified database objects on the cluster.
 * Each node will scan local primary partitions to collect and update local statistic.
 *
 * @param targets DB objects to statistics update.
 */
public void updateStatistics(StatisticsObjectConfiguration... targets) {
    if (log.isDebugEnabled())
        log.debug("Update statistics [targets=" + targets + ']');
    for (StatisticsObjectConfiguration target : targets) {
        GridH2Table tbl = schemaMgr.dataTable(target.key().schema(), target.key().obj());
        validate(target, tbl);
        List<StatisticsColumnConfiguration> colCfgs;
        if (F.isEmpty(target.columns()))
            colCfgs = Arrays.stream(tbl.getColumns()).filter(c -> c.getColumnId() >= QueryUtils.DEFAULT_COLUMNS_COUNT).map(c -> new StatisticsColumnConfiguration(c.getName(), null)).collect(Collectors.toList());
        else
            colCfgs = new ArrayList<>(target.columns().values());
        StatisticsObjectConfiguration newCfg = new StatisticsObjectConfiguration(target.key(), colCfgs, target.maxPartitionObsolescencePercent());
        try {
            while (true) {
                String key = key2String(newCfg.key());
                StatisticsObjectConfiguration oldCfg = distrMetaStorage.read(key);
                StatisticsObjectConfiguration resultCfg = (oldCfg == null) ? newCfg : StatisticsObjectConfiguration.merge(oldCfg, newCfg);
                if (distrMetaStorage.compareAndSet(key, oldCfg, resultCfg))
                    break;
            }
        } catch (IgniteCheckedException ex) {
            throw new IgniteSQLException("Error on get or update statistic schema", IgniteQueryErrorCode.UNKNOWN, ex);
        }
    }
}

Example 5 with StatisticsObjectConfiguration

use of org.apache.ignite.internal.processors.query.stat.config.StatisticsObjectConfiguration in project ignite by apache.

the class IgniteStatisticsConfigurationManager method dropStatistics.

/**
 * Drop local statistic for specified database objects on the cluster.
 * Remove local aggregated and partitioned statistics that are stored at the local metastorage.
 *
 * @param targets DB objects to update statistics by.
 * @param validate if {@code true} - validate statistics existence, otherwise - just try to remove.
 */
public void dropStatistics(List<StatisticsTarget> targets, boolean validate) {
    if (log.isDebugEnabled())
        log.debug("Drop statistics [targets=" + targets + ']');
    for (StatisticsTarget target : targets) {
        String key = key2String(target.key());
        try {
            while (true) {
                StatisticsObjectConfiguration oldCfg = distrMetaStorage.read(key);
                if (validate)
                    validateDropRefresh(target, oldCfg);
                if (oldCfg == null)
                    return;
                Set<String> dropColNames = (target.columns() == null) ? Collections.emptySet() : Arrays.stream(target.columns()).collect(Collectors.toSet());
                StatisticsObjectConfiguration newCfg = oldCfg.dropColumns(dropColNames);
                if (oldCfg.equals(newCfg))
                    break;
                if (distrMetaStorage.compareAndSet(key, oldCfg, newCfg))
                    break;
            }
        } catch (IgniteCheckedException ex) {
            throw new IgniteSQLException("Error on get or update statistic schema", IgniteQueryErrorCode.UNKNOWN, ex);
        }
    }
}