- 模拟数据 插入以下结构的大约数据 1万个
exhset us:126902 session:dea155d63828f002484fb2d67a879c81 "" EX 60
- 查看每个数据占用内存情况 (大约152)
127.0.0.1:6379> memory usage us:105681
(integer) 152
- 但总内存占用 100M
127.0.0.1:6379> info memory
Memory
used_memory:105388744
used_memory_human:100.51M
问题：按道理算 10000 * 152 = 1.449M 那为什么会占用 100M内存
测试了三种模式，都是占用这么多内存，希望得到回复
Memory
used_memory:105388744
used_memory_human:100.51M
used_memory_rss:118505472
used_memory_rss_human:113.02M
used_memory_peak:105447208
used_memory_peak_human:100.56M
used_memory_peak_perc:99.94%
used_memory_overhead:1407072
used_memory_startup:929088
used_memory_dataset:103981672
used_memory_dataset_perc:99.54%
allocator_allocated:105497072
allocator_active:105697280
allocator_resident:109481984
total_system_memory:16573603840
total_system_memory_human:15.44G
used_memory_lua:31744
used_memory_vm_eval:31744
used_memory_lua_human:31.00K
used_memory_scripts_eval:0
number_of_cached_scripts:0
number_of_functions:0
number_of_libraries:0
used_memory_vm_functions:32768
used_memory_vm_total:64512
used_memory_vm_total_human:63.00K
used_memory_functions:184
used_memory_scripts:184
used_memory_scripts_human:184B
maxmemory:0
maxmemory_human:0B
maxmemory_policy:noeviction
allocator_frag_ratio:1.00
allocator_frag_bytes:200208
allocator_rss_ratio:1.04
allocator_rss_bytes:3784704
rss_overhead_ratio:1.08
rss_overhead_bytes:9023488
mem_fragmentation_ratio:1.12
mem_fragmentation_bytes:13137400
mem_not_counted_for_evict:0
mem_replication_backlog:0
mem_total_replication_buffers:0
mem_clients_slaves:0
mem_clients_normal:1928
mem_cluster_links:0
mem_aof_buffer:0
mem_allocator:jemalloc-5.3.0
active_defrag_running:0
lazyfree_pending_objects:0
lazyfreed_objects:0
exhset us:126902 session:dea155d63828f002484fb2d67a879c81 "" EX 60
127.0.0.1:6379> memory usage us:105681
(integer) 152
127.0.0.1:6379> info memory
Memory
used_memory:105388744
used_memory_human:100.51M
问题：按道理算 10000 * 152 = 1.449M 那为什么会占用 100M内存
测试了三种模式，都是占用这么多内存，希望得到回复
Memory
used_memory:105388744
used_memory_human:100.51M
used_memory_rss:118505472
used_memory_rss_human:113.02M
used_memory_peak:105447208
used_memory_peak_human:100.56M
used_memory_peak_perc:99.94%
used_memory_overhead:1407072
used_memory_startup:929088
used_memory_dataset:103981672
used_memory_dataset_perc:99.54%
allocator_allocated:105497072
allocator_active:105697280
allocator_resident:109481984
total_system_memory:16573603840
total_system_memory_human:15.44G
used_memory_lua:31744
used_memory_vm_eval:31744
used_memory_lua_human:31.00K
used_memory_scripts_eval:0
number_of_cached_scripts:0
number_of_functions:0
number_of_libraries:0
used_memory_vm_functions:32768
used_memory_vm_total:64512
used_memory_vm_total_human:63.00K
used_memory_functions:184
used_memory_scripts:184
used_memory_scripts_human:184B
maxmemory:0
maxmemory_human:0B
maxmemory_policy:noeviction
allocator_frag_ratio:1.00
allocator_frag_bytes:200208
allocator_rss_ratio:1.04
allocator_rss_bytes:3784704
rss_overhead_ratio:1.08
rss_overhead_bytes:9023488
mem_fragmentation_ratio:1.12
mem_fragmentation_bytes:13137400
mem_not_counted_for_evict:0
mem_replication_backlog:0
mem_total_replication_buffers:0
mem_clients_slaves:0
mem_clients_normal:1928
mem_cluster_links:0
mem_aof_buffer:0
mem_allocator:jemalloc-5.3.0
active_defrag_running:0
lazyfree_pending_objects:0
lazyfreed_objects:0