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jmx.php
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/
jmx.php
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<?php
/*
Cassandra Cluster Admin
@author Sébastien Giroux
@copyright All rights reserved - 2011
*/
require('include/kernel.inc.php');
require('include/verify_login.inc.php');
$all_nodes = $cluster_helper->getArrayOfNodesForCurrentCluster();
$first_host = explode(':',$all_nodes[0]);
$first_host = $first_host[0];
if (isset($_GET['change_mx4j_node'])) $_SESSION['mx4j_node'] = $_GET['change_mx4j_node'];
elseif (!isset($_SESSION['mx4j_node'])) $_SESSION['mx4j_node'] = $first_host;
// If user come from another cluster, we need to refresh the node in the session
$found = false;
foreach ($all_nodes as $one_node) {
list($host,$port) = explode(':',$one_node);
if ($host == $_SESSION['mx4j_node']) {
$found = true;
break;
}
}
if (!$found) $_SESSION['mx4j_node'] = $first_host;
if (function_exists('curl_init')) {
$mx4j = new MX4J($_SESSION['mx4j_node']);
// Make sure MX4J is active
if ($mx4j->isActive()) {
if (isset($_GET['get_json_heap_memory_usage']) && $_GET['get_json_heap_memory_usage'] == 1) {
die(json_encode($mx4j->getHeapMemoryUsage()));
}
if (isset($_GET['get_json_non_heap_memory_usage']) && $_GET['get_json_non_heap_memory_usage'] == 1) {
die(json_encode($mx4j->getNonHeapMemoryUsage()));
}
if (isset($_GET['get_tp_stats']) && $_GET['get_tp_stats'] == 1) {
die(json_encode($mx4j->getTpStats()));
}
if (isset($_GET['columnfamily_details']) && isset($_GET['keyspace_name']) && isset($_GET['columnfamily_name'])) {
$keyspace_name = $_GET['keyspace_name'];
$columnfamily_name = $_GET['columnfamily_name'];
$details = array('details' => $mx4j->getColumnFamilyDetails($keyspace_name,$columnfamily_name),
'key_cache' => $mx4j->getColumnFamilyKeyCacheDetails($keyspace_name,$columnfamily_name),
'row_cache' => $mx4j->getColumnFamilyRowCacheDetails($keyspace_name,$columnfamily_name));
die(json_encode($details));
}
$vw_vars['heap_memory_usage'] = $mx4j->getHeapMemoryUsage();
$vw_vars['non_heap_memory_usage'] = $mx4j->getNonHeapMemoryUsage();
$vw_vars['nb_loaded_class'] = $mx4j->getLoadedClassCount();
$vw_vars['tp_stats'] = $mx4j->getTpStats();
$vw_vars['trigger_gc'] = null;
$vw_vars['trigger_force_major_compaction'] = null;
$vw_vars['trigger_invalidate_key_cache'] = null;
$vw_vars['trigger_invalidate_row_cache'] = null;
$vw_vars['trigger_force_flush'] = null;
$vw_vars['trigger_disable_auto_compaction'] = null;
$vw_vars['trigger_estimate_keys'] = null;
// Trigger the garbage collector
if (isset($_GET['trigger_gc']) && $_GET['trigger_gc'] == 1) {
$trigger_gc = $mx4j->triggerGarbageCollection();
$vw_vars['trigger_gc'] = $trigger_gc;
}
// Trigger a major compaction
if (isset($_GET['trigger_force_major_compaction']) && $_GET['trigger_force_major_compaction'] == 1 && isset($_GET['keyspace_name']) && isset($_GET['columnfamily_name'])) {
$keyspace_name = $_GET['keyspace_name'];
$columnfamily_name = $_GET['columnfamily_name'];
$trigger_force_major_compaction = $mx4j->forceMajorCompaction($keyspace_name,$columnfamily_name);
$vw_vars['trigger_force_major_compaction'] = $trigger_force_major_compaction;
}
// Trigger invalidate key cache
if (isset($_GET['trigger_invalidate_key_cache']) && $_GET['trigger_invalidate_key_cache'] == 1 && isset($_GET['keyspace_name']) && isset($_GET['columnfamily_name'])) {
$keyspace_name = $_GET['keyspace_name'];
$columnfamily_name = $_GET['columnfamily_name'];
$trigger_invalidate_key_cache = $mx4j->invalidateKeyCache($keyspace_name,$columnfamily_name);
$vw_vars['trigger_invalidate_key_cache'] = $trigger_invalidate_key_cache;
}
// Trigger invalidate row cache
if (isset($_GET['trigger_invalidate_row_cache']) && $_GET['trigger_invalidate_row_cache'] == 1 && isset($_GET['keyspace_name']) && isset($_GET['columnfamily_name'])) {
$keyspace_name = $_GET['keyspace_name'];
$columnfamily_name = $_GET['columnfamily_name'];
$trigger_invalidate_row_cache = $mx4j->invalidateRowCache($keyspace_name,$columnfamily_name);
$vw_vars['trigger_invalidate_row_cache'] = $trigger_invalidate_row_cache;
}
// Trigger force flush
if (isset($_GET['trigger_force_flush']) && $_GET['trigger_force_flush'] == 1 && isset($_GET['keyspace_name']) && isset($_GET['columnfamily_name'])) {
$keyspace_name = $_GET['keyspace_name'];
$columnfamily_name = $_GET['columnfamily_name'];
$trigger_force_flush = $mx4j->forceFlush($keyspace_name,$columnfamily_name);
$vw_vars['trigger_force_flush'] = $trigger_force_flush;
}
// Trigger disable auto compaction
if (isset($_GET['trigger_disable_auto_compaction']) && $_GET['trigger_disable_auto_compaction'] == 1 && isset($_GET['keyspace_name']) && isset($_GET['columnfamily_name'])) {
$keyspace_name = $_GET['keyspace_name'];
$columnfamily_name = $_GET['columnfamily_name'];
$trigger_disable_auto_compaction = $mx4j->disableAutoCompaction($keyspace_name,$columnfamily_name);
$vw_vars['trigger_disable_auto_compaction'] = $trigger_disable_auto_compaction;
}
// Trigger estimate keys
if (isset($_GET['trigger_estimate_keys']) && $_GET['trigger_estimate_keys'] == 1 && isset($_GET['keyspace_name']) && isset($_GET['columnfamily_name'])) {
$keyspace_name = $_GET['keyspace_name'];
$columnfamily_name = $_GET['columnfamily_name'];
$trigger_estimate_keys = $mx4j->estimateKeys($keyspace_name,$columnfamily_name);
$vw_vars['trigger_estimate_keys'] = $trigger_estimate_keys;
}
$vw_vars['cluster_name'] = $sys_manager->describe_cluster_name();
$vw_vars['all_nodes'] = $all_nodes;
/*
List of keyspaces and column families
*/
$ks_and_cf_details = ColumnFamilyHelper::getKeyspacesAndColumnFamiliesDetails();
$vw_vars['ks_and_cf_details'] = $ks_and_cf_details;
$vw_vars['jmx_host'] = $host;
echo getHTML('header.php');
echo getHTML('jmx.php',$vw_vars);
}
else {
$vw_vars['cluster_name'] = $sys_manager->describe_cluster_name();
$vw_vars['all_nodes'] = $all_nodes;
$vw_vars['jmx_host'] = $host;
echo getHTML('header.php');
echo getHTML('mx4j_not_active.php',$vw_vars);
}
}
// CURL is not installed
else {
echo getHTML('header.php');
echo getHTML('jmx_missing_dependencies.php');
}
echo getHTML('footer.php');
?>