---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53152 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 UTC 2026 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: 5599.99 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 677 9011 4 6300 14969 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:51:6c:a5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.160/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84071sec preferred_lft 84071sec inet6 fe80::f816:3eff:fe51:6ca5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:32:8f:51:67:e5 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-53152) 03/26/26 _x86_64_ (4 CPU) 11:38:39 LINUX RESTART (4 CPU) 11:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:50:00 41.76 4.77 36.23 0.77 272.83 3673.75 2316.69 12:00:00 24.55 0.43 21.28 2.84 19.56 2947.48 7568.51 12:10:00 31.04 0.01 27.79 3.24 0.20 2584.63 18426.13 Average: 32.45 1.74 28.43 2.28 97.53 3068.62 9437.15 11:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:50:00 10782452 13978944 1984352 12.12 114608 3244904 2427136 13.93 470088 4772476 416600 12:00:00 8788180 12455704 3502188 21.39 137084 3647660 3482952 19.99 701756 6487904 190492 12:10:00 8713520 12751168 3204512 19.57 162460 3966320 3106832 17.83 800904 6440728 124020 Average: 9428051 13061939 2897017 17.69 138051 3619628 3005640 17.25 657583 5900369 243704 11:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:50:00 lo 128.61 128.61 122.30 122.30 0.00 0.00 0.00 0.00 11:50:00 ens3 112.09 80.73 1156.25 12.35 0.00 0.00 0.00 0.00 11:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:00 lo 1515.46 1515.46 1438.32 1438.32 0.00 0.00 0.00 0.00 12:00:00 ens3 30.66 27.31 50.69 8.67 0.00 0.00 0.00 0.00 12:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:00 lo 1473.20 1473.20 1403.64 1403.64 0.00 0.00 0.00 0.00 12:10:00 ens3 26.05 22.36 34.86 7.09 0.00 0.00 0.00 0.00 12:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1039.10 1039.10 988.09 988.09 0.00 0.00 0.00 0.00 Average: ens3 56.26 43.47 413.93 9.37 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-53152) 03/26/26 _x86_64_ (4 CPU) 11:38:39 LINUX RESTART (4 CPU) 11:40:00 CPU %user %nice %system %iowait %steal %idle 11:50:00 all 10.32 0.00 0.71 0.37 0.03 88.57 11:50:00 0 9.22 0.00 0.71 0.10 0.03 89.94 11:50:00 1 11.12 0.00 0.65 0.27 0.03 87.94 11:50:00 2 9.10 0.00 0.71 0.72 0.04 89.44 11:50:00 3 11.83 0.00 0.78 0.40 0.03 86.95 12:00:00 all 70.13 0.00 2.44 0.11 0.12 27.21 12:00:00 0 69.79 0.00 2.23 0.13 0.12 27.73 12:00:00 1 68.89 0.00 2.52 0.18 0.12 28.29 12:00:00 2 70.60 0.00 2.57 0.06 0.12 26.65 12:00:00 3 71.22 0.00 2.43 0.07 0.12 26.16 12:10:00 all 64.04 0.00 2.50 0.08 0.11 33.28 12:10:00 0 62.43 0.00 2.23 0.11 0.11 35.13 12:10:00 1 67.42 0.00 2.91 0.07 0.11 29.49 12:10:00 2 63.38 0.00 2.32 0.07 0.11 34.12 12:10:00 3 62.92 0.00 2.52 0.07 0.10 34.38 Average: all 48.13 0.00 1.88 0.19 0.09 49.72 Average: 0 47.12 0.00 1.72 0.11 0.08 50.97 Average: 1 49.10 0.00 2.02 0.17 0.09 48.62 Average: 2 47.67 0.00 1.86 0.28 0.09 50.09 Average: 3 48.62 0.00 1.91 0.18 0.09 49.20