final String DFS_DURABLE_SYNC = "dfs.durable.sync", DFS_SUPPORT_APPEND = "dfs.support.append";
final String ticketMessage = "See ACCUMULO-623 and ACCUMULO-1637 for more details.";
// Check to make sure that we have proper defaults configured
try {
// If the default is off (0.20.205.x or 1.0.x)
DFSConfigKeys configKeys = new DFSConfigKeys();
// Can't use the final constant itself as Java will inline it at compile time
Field dfsSupportAppendDefaultField = configKeys.getClass().getField("DFS_SUPPORT_APPEND_DEFAULT");
boolean dfsSupportAppendDefaultValue = dfsSupportAppendDefaultField.getBoolean(configKeys);
if (!dfsSupportAppendDefaultValue) {
// See if the user did the correct override
if (!fs.getConf().getBoolean(DFS_SUPPORT_APPEND, false)) {