---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-21066 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 Stepping: 0 BogoMIPS: 5600.00 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 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled 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; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 12G 66G 16% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 663 8643 4 6682 14982 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:9e:08:57 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.90/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84693sec preferred_lft 84693sec inet6 fe80::f816:3eff:fe9e:857/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:ae:7a:65:b6:b6 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-21066) 01/07/26 _x86_64_ (4 CPU) 13:24:58 LINUX RESTART (4 CPU) 13:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:40:01 41.44 0.68 24.37 16.39 618.35 3315.92 288171.82 13:50:01 29.35 0.02 26.46 2.87 0.45 4464.63 24233.00 Average: 35.39 0.35 25.41 9.63 309.48 3890.14 156235.38 13:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:40:01 8768480 12609328 3346728 20.44 143444 3815728 3255824 18.69 890008 6324212 10388 13:50:01 5450460 10338984 5612864 34.28 159144 4801800 5443208 31.24 1187468 9273348 16 Average: 7109470 11474156 4479796 27.36 151294 4308764 4349516 24.97 1038738 7798780 5202 13:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:40:01 lo 1148.78 1148.78 1087.37 1087.37 0.00 0.00 0.00 0.00 13:40:01 ens3 52.66 40.79 296.14 8.70 0.00 0.00 0.00 0.00 13:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:01 lo 1209.28 1209.28 2054.42 2054.42 0.00 0.00 0.00 0.00 13:50:01 ens3 24.11 21.20 25.45 7.06 0.00 0.00 0.00 0.00 13:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1179.02 1179.02 1570.77 1570.77 0.00 0.00 0.00 0.00 Average: ens3 38.39 31.00 160.83 7.88 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-21066) 01/07/26 _x86_64_ (4 CPU) 13:24:58 LINUX RESTART (4 CPU) 13:30:00 CPU %user %nice %system %iowait %steal %idle 13:40:01 all 67.19 0.00 2.33 0.09 0.10 30.30 13:40:01 0 68.66 0.00 2.46 0.05 0.10 28.73 13:40:01 1 65.50 0.00 2.31 0.11 0.10 31.98 13:40:01 2 69.32 0.00 2.23 0.06 0.10 28.28 13:40:01 3 65.26 0.00 2.31 0.15 0.09 32.19 13:50:01 all 55.79 0.00 2.19 0.12 0.09 41.80 13:50:01 0 53.55 0.00 2.09 0.22 0.09 44.04 13:50:01 1 56.80 0.00 2.24 0.08 0.09 40.80 13:50:01 2 60.20 0.00 2.37 0.07 0.09 37.27 13:50:01 3 52.60 0.00 2.07 0.13 0.10 45.11 Average: all 61.49 0.00 2.26 0.11 0.10 36.05 Average: 0 61.10 0.00 2.27 0.14 0.10 36.39 Average: 1 61.15 0.00 2.27 0.09 0.10 36.39 Average: 2 64.76 0.00 2.30 0.07 0.10 32.78 Average: 3 58.94 0.00 2.19 0.14 0.09 38.64