Class sysinfo

be/src/runtime/io/data-cache-test.cc:672–672

// the page cache to the backing files and also read from the backing files during lookup.
TEST_P(DataCacheTest, LargeFootprint) {
  struct sysinfo info;
  ASSERT_EQ(0, sysinfo(&info));
  ASSERT_GT(info.totalram, 0);
  // Set sufficient buffer size limits to prevent async store failures.