---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3785 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 11G 67G 14% / 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 658 10456 4 4874 14987 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:d8:f3:08 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.227/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84050sec preferred_lft 84050sec inet6 fe80::f816:3eff:fed8:f308/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:f3:f2:8e:ba:eb 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-3785) 08/09/26 _x86_64_ (4 CPU) 13:37:56 LINUX RESTART (4 CPU) 13:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:50:00 9.89 0.86 8.93 0.10 31.48 1272.63 115.28 14:00:27 10.66 1.80 8.20 0.66 117.83 2505.02 1250.76 14:10:27 25.93 0.82 21.53 3.58 29.36 3290.43 5213.25 Average: 15.42 1.17 12.82 1.44 60.42 2358.67 2180.16 13:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:50:00 13024028 15521312 453900 2.77 99368 2587156 996512 5.72 340244 2684452 256 14:00:27 10555580 13882472 2078448 12.69 131184 3321064 2520544 14.47 546824 4889604 28012 14:10:27 8917912 13416856 2535372 15.49 168292 4372224 2695400 15.47 857704 6118844 321332 Average: 10832507 14273547 1689240 10.32 132948 3426815 2070819 11.89 581591 4564300 116533 13:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:50:00 lo 0.20 0.20 0.02 0.02 0.00 0.00 0.00 0.00 13:50:00 ens3 22.62 17.14 244.28 3.32 0.00 0.00 0.00 0.00 13:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:27 lo 0.86 0.86 0.08 0.08 0.00 0.00 0.00 0.00 14:00:27 ens3 73.18 61.50 605.69 14.88 0.00 0.00 0.00 0.00 14:00:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:27 lo 1734.95 1734.95 1654.51 1654.51 0.00 0.00 0.00 0.00 14:10:27 ens3 83.63 64.45 434.91 18.67 0.00 0.00 0.00 0.00 14:10:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 570.43 570.43 543.68 543.68 0.00 0.00 0.00 0.00 Average: ens3 60.02 47.91 430.98 12.33 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-3785) 08/09/26 _x86_64_ (4 CPU) 13:37:56 LINUX RESTART (4 CPU) 13:40:01 CPU %user %nice %system %iowait %steal %idle 13:50:00 all 0.38 0.00 0.12 0.04 0.03 99.44 13:50:00 0 0.50 0.00 0.13 0.01 0.04 99.32 13:50:00 1 0.35 0.00 0.13 0.01 0.03 99.49 13:50:00 2 0.26 0.00 0.12 0.12 0.02 99.48 13:50:00 3 0.40 0.00 0.10 0.02 0.02 99.46 14:00:27 all 44.44 0.00 1.53 0.07 0.09 53.86 14:00:27 0 42.75 0.00 1.55 0.12 0.10 55.48 14:00:27 1 44.41 0.00 1.59 0.05 0.10 53.85 14:00:27 2 44.93 0.00 1.50 0.06 0.09 53.42 14:00:27 3 45.68 0.00 1.50 0.03 0.09 52.70 14:10:27 all 68.01 0.00 2.82 0.08 0.13 28.97 14:10:27 0 66.66 0.00 3.04 0.09 0.12 30.09 14:10:27 1 69.60 0.00 2.76 0.04 0.13 27.48 14:10:27 2 67.60 0.00 2.67 0.09 0.13 29.52 14:10:27 3 68.18 0.00 2.82 0.09 0.13 28.78 Average: all 37.72 0.00 1.49 0.06 0.08 60.64 Average: 0 36.75 0.00 1.57 0.07 0.09 61.52 Average: 1 38.21 0.00 1.49 0.03 0.08 60.19 Average: 2 37.73 0.00 1.43 0.09 0.08 60.67 Average: 3 38.20 0.00 1.47 0.05 0.08 60.20