private void validateFileMetadata() throws IOException {
if (fileMetadata.getCompressionKind() == CompressionKind.NONE) return;
int bufferSize = fileMetadata.getCompressionBufferSize();
int minAllocSize = HiveConf.getIntVar(conf, HiveConf.ConfVars.LLAP_ORC_CACHE_MIN_ALLOC);
if (bufferSize < minAllocSize) {
LOG.warn(
"ORC compression buffer size ("
+ bufferSize
+ ") is smaller than LLAP low-level "
+ "cache minimum allocation size ("
+ minAllocSize
+ "). Decrease the value for "
+ HiveConf.ConfVars.LLAP_ORC_CACHE_MIN_ALLOC.toString()
+ " to avoid wasting memory");
}
}
