---> uname -a: Linux prd-ubuntu2004-memcached-4c-4g-1335 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: 2799.998 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 62M 62M 0 100% /snap/core20/1405 /dev/vda15 105M 6.1M 99M 6% /boot/efi /dev/loop1 44M 44M 0 100% /snap/snapd/15177 /dev/loop2 68M 68M 0 100% /snap/lxd/22753 tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 16009 607 12929 2 2472 15072 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 fq_codel state UP group default qlen 1000 link/ether fa:16:3e:ed:e3:06 brd ff:ff:ff:ff:ff:ff inet 10.30.107.150/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86217sec preferred_lft 86217sec inet6 fe80::f816:3eff:feed:e306/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.4.0-148-generic (prd-ubuntu2004-memcached-4c-4g-1335) 11/18/23 _x86_64_ (4 CPU) 19:20:10 LINUX RESTART (4 CPU) 19:21:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:22:01 122.59 28.88 93.71 0.00 1507.27 11931.83 0.00 19:23:01 110.08 2.85 107.23 0.00 150.64 17950.87 0.00 Average: 116.28 15.75 100.53 0.00 823.26 14966.64 0.00 19:21:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:22:01 13189788 15060268 945960 5.77 84148 1964820 1626244 9.32 1164844 1765216 167208 19:23:01 13257624 15451840 542604 3.31 126500 2202616 1121820 6.43 841152 1968064 56904 Average: 13223706 15256054 744282 4.54 105324 2083718 1374032 7.88 1002998 1866640 112056 19:21:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:22:01 ens3 183.46 146.65 1683.66 45.00 0.00 0.00 0.00 0.00 19:22:01 lo 1.02 1.02 0.11 0.11 0.00 0.00 0.00 0.00 19:23:01 ens3 44.98 36.11 292.18 10.49 0.00 0.00 0.00 0.00 19:23:01 lo 1.20 1.20 0.12 0.12 0.00 0.00 0.00 0.00 Average: ens3 113.64 90.92 982.08 27.60 0.00 0.00 0.00 0.00 Average: lo 1.11 1.11 0.11 0.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.4.0-148-generic (prd-ubuntu2004-memcached-4c-4g-1335) 11/18/23 _x86_64_ (4 CPU) 19:20:10 LINUX RESTART (4 CPU) 19:21:02 CPU %user %nice %system %iowait %steal %idle 19:22:01 all 27.56 0.00 2.02 2.58 0.07 67.77 19:22:01 0 21.09 0.00 1.67 0.45 0.07 76.73 19:22:01 1 16.87 0.00 1.84 5.19 0.07 76.02 19:22:01 2 31.07 0.00 2.36 3.21 0.07 63.29 19:22:01 3 41.23 0.00 2.23 1.50 0.07 54.98 19:23:01 all 20.69 0.00 1.69 3.41 0.07 74.13 19:23:01 0 28.66 0.00 1.40 0.70 0.07 69.18 19:23:01 1 12.96 0.00 1.78 7.02 0.07 78.18 19:23:01 2 29.77 0.00 1.62 0.68 0.10 67.82 19:23:01 3 11.31 0.00 1.99 5.28 0.05 81.38 Average: all 24.10 0.00 1.86 3.00 0.07 70.98 Average: 0 24.90 0.00 1.53 0.58 0.07 72.93 Average: 1 14.90 0.00 1.81 6.11 0.07 77.11 Average: 2 30.41 0.00 1.99 1.94 0.08 65.58 Average: 3 26.14 0.00 2.11 3.40 0.06 68.30