---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3535 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: 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 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 646 10471 4 4871 15000 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:f2:95:f9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.92/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83031sec preferred_lft 83031sec inet6 fe80::f816:3eff:fef2:95f9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether aa:12:d0:4d:00:a0 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-3535) 08/08/26 _x86_64_ (4 CPU) 21:15:14 LINUX RESTART (4 CPU) 21:20:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:30:15 1.84 0.04 1.79 0.01 1.13 34.00 0.73 21:40:04 1.81 0.01 1.81 0.00 0.04 31.41 0.00 21:50:03 7.81 1.87 5.71 0.22 122.99 1652.96 395.49 22:00:03 10.78 0.49 9.18 1.10 18.56 2218.54 2451.29 22:10:04 27.50 0.58 22.77 4.15 22.55 3736.63 4815.14 Average: 9.95 0.60 8.25 1.10 33.04 1535.02 1533.14 21:20:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:30:15 13031956 15526916 447832 2.74 98124 2586392 992712 5.70 338336 2676484 284 21:40:04 13028204 15525008 449540 2.75 99592 2586528 992660 5.70 339812 2682024 180 21:50:03 11192084 14229704 1733348 10.59 120172 3070808 2154224 12.37 485620 4352908 24156 22:00:03 9939836 13630832 2325760 14.20 150876 3629456 2592508 14.88 654676 5357376 26016 22:10:04 10753960 15382960 567280 3.46 178016 4480500 1101524 6.32 904980 4194868 184 Average: 11589208 14859084 1104752 6.75 129356 3270737 1566726 8.99 544685 3852732 10164 21:20:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:30:15 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 21:30:15 ens3 10.10 7.98 114.35 0.94 0.00 0.00 0.00 0.00 21:30:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:40:04 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 21:40:04 ens3 13.03 10.92 132.16 1.09 0.00 0.00 0.00 0.00 21:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:50:03 lo 0.37 0.37 0.03 0.03 0.00 0.00 0.00 0.00 21:50:03 ens3 61.58 50.11 632.76 8.81 0.00 0.00 0.00 0.00 21:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:00:03 lo 1.44 1.44 0.14 0.14 0.00 0.00 0.00 0.00 22:00:03 ens3 72.16 55.77 96.51 18.23 0.00 0.00 0.00 0.00 22:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:10:04 lo 1754.10 1754.10 1659.79 1659.79 0.00 0.00 0.00 0.00 22:10:04 ens3 107.46 96.64 437.41 154.98 0.00 0.00 0.00 0.00 22:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 351.43 351.43 332.19 332.19 0.00 0.00 0.00 0.00 Average: ens3 52.86 44.28 282.54 36.83 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-3535) 08/08/26 _x86_64_ (4 CPU) 21:15:14 LINUX RESTART (4 CPU) 21:20:04 CPU %user %nice %system %iowait %steal %idle 21:30:15 all 0.25 0.00 0.04 0.01 0.03 99.66 21:30:15 0 0.61 0.00 0.02 0.01 0.03 99.32 21:30:15 1 0.18 0.00 0.05 0.03 0.03 99.71 21:30:15 2 0.05 0.00 0.03 0.00 0.03 99.88 21:30:15 3 0.17 0.00 0.06 0.00 0.02 99.75 21:40:04 all 0.36 0.00 0.04 0.01 0.02 99.57 21:40:04 0 0.25 0.00 0.03 0.00 0.03 99.69 21:40:04 1 0.02 0.00 0.02 0.04 0.01 99.90 21:40:04 2 0.74 0.00 0.03 0.00 0.03 99.19 21:40:04 3 0.41 0.00 0.09 0.00 0.02 99.48 21:50:03 all 18.57 0.00 0.67 0.03 0.04 80.68 21:50:03 0 19.07 0.00 0.58 0.07 0.03 80.25 21:50:03 1 18.52 0.00 0.72 0.04 0.04 80.68 21:50:03 2 18.68 0.00 0.72 0.02 0.06 80.52 21:50:03 3 18.01 0.00 0.66 0.01 0.04 81.28 22:00:03 all 72.51 0.00 2.29 0.03 0.09 25.09 22:00:03 0 70.54 0.00 2.09 0.02 0.09 27.26 22:00:03 1 71.46 0.00 2.35 0.03 0.09 26.07 22:00:03 2 74.24 0.00 2.07 0.03 0.09 23.57 22:00:03 3 73.79 0.00 2.63 0.03 0.09 23.46 22:10:04 all 41.29 0.00 1.99 0.06 0.08 56.58 22:10:04 0 41.75 0.00 1.97 0.06 0.08 56.14 22:10:04 1 45.19 0.00 2.27 0.06 0.08 52.39 22:10:04 2 39.63 0.00 2.04 0.10 0.08 58.15 22:10:04 3 38.57 0.00 1.68 0.04 0.07 59.64 Average: all 26.58 0.00 1.01 0.03 0.05 72.33 Average: 0 26.42 0.00 0.94 0.03 0.05 72.56 Average: 1 27.07 0.00 1.08 0.04 0.05 71.75 Average: 2 26.65 0.00 0.98 0.03 0.06 72.28 Average: 3 26.17 0.00 1.02 0.02 0.05 72.75