---> uname -a: Linux prd-ubuntu2004-memcached-4c-4g-8454 5.4.0-148-generic #165-Ubuntu SMP Tue Apr 18 08:53:12 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian Address sizes: 40 bits physical, 48 bits virtual CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2799.996 BogoMIPS: 5599.99 Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB L1i cache: 128 KiB L2 cache: 2 MiB L3 cache: 64 MiB NUMA node0 CPU(s): 0-3 Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Retbleed: Vulnerable Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines, IBPB conditional, IBRS_FW, STIBP disabled, RSB filling, PBRSB-eIBRS Not affected Vulnerability Srbds: Not affected Vulnerability Tsx async abort: Not affected Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on udev 7.9G 0 7.9G 0% /dev tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 8.6G 69G 12% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 7.9G 0 7.9G 0% /sys/fs/cgroup /dev/loop0 68M 68M 0 100% /snap/lxd/22753 /dev/loop1 44M 44M 0 100% /snap/snapd/15177 /dev/vda15 105M 6.1M 99M 6% /boot/efi /dev/loop2 62M 62M 0 100% /snap/core20/1405 tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 16009 593 12996 1 2419 15089 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:66:8b:cc brd ff:ff:ff:ff:ff:ff inet 10.30.107.111/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86228sec preferred_lft 86228sec inet6 fe80::f816:3eff:fe66:8bcc/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.4.0-148-generic (prd-ubuntu2004-memcached-4c-4g-8454) 02/24/24 _x86_64_ (4 CPU) 19:18:41 LINUX RESTART (4 CPU) 19:19:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:02 88.79 13.90 74.89 0.00 1157.88 7017.68 0.00 19:21:01 151.08 19.62 131.45 0.00 525.20 17567.46 0.00 Average: 119.67 16.74 102.93 0.00 844.22 12247.81 0.00 19:19:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:02 13801296 15480044 536888 3.28 75880 1786532 1181296 6.77 718092 1610684 198068 19:21:01 13248760 15408648 587444 3.58 124428 2167240 1168248 6.70 873704 1935828 218344 Average: 13525028 15444346 562166 3.43 100154 1976886 1174772 6.74 795898 1773256 208206 19:19:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:02 ens3 60.81 43.72 1029.81 7.94 0.00 0.00 0.00 0.00 19:20:02 lo 1.73 1.73 0.19 0.19 0.00 0.00 0.00 0.00 19:21:01 ens3 156.74 136.99 1448.10 46.20 0.00 0.00 0.00 0.00 19:21:01 lo 1.02 1.02 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 108.37 89.96 1237.18 26.91 0.00 0.00 0.00 0.00 Average: lo 1.38 1.38 0.14 0.14 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.4.0-148-generic (prd-ubuntu2004-memcached-4c-4g-8454) 02/24/24 _x86_64_ (4 CPU) 19:18:41 LINUX RESTART (4 CPU) 19:19:01 CPU %user %nice %system %iowait %steal %idle 19:20:02 all 20.58 0.00 1.53 2.24 0.05 75.60 19:20:02 0 12.36 0.00 1.07 0.37 0.03 86.16 19:20:02 1 9.52 0.00 1.10 6.12 0.05 83.21 19:20:02 2 45.12 0.00 2.79 1.74 0.08 50.28 19:20:02 3 15.27 0.00 1.17 0.73 0.03 82.79 19:21:01 all 26.43 0.00 2.21 3.42 0.07 67.87 19:21:01 0 20.41 0.00 1.92 0.20 0.07 77.39 19:21:01 1 30.86 0.00 1.98 6.36 0.07 60.73 19:21:01 2 35.64 0.00 3.26 1.46 0.08 59.56 19:21:01 3 18.79 0.00 1.68 5.65 0.07 73.81 Average: all 23.48 0.00 1.87 2.82 0.06 71.76 Average: 0 16.36 0.00 1.49 0.29 0.05 81.81 Average: 1 20.11 0.00 1.54 6.24 0.06 72.05 Average: 2 40.42 0.00 3.02 1.60 0.08 54.88 Average: 3 17.01 0.00 1.42 3.17 0.05 78.35