---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-33659 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 17G 61G 22% / 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 730 8387 4 6870 14915 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:78:09:91 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.198/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82934sec preferred_lft 82934sec inet6 fe80::f816:3eff:fe78:991/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:d5:de:e6:c7:a4 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 inet6 fe80::d0d5:deff:fee6:c7a4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-33659) 07/07/26 _x86_64_ (4 CPU) 07:29:41 LINUX RESTART (4 CPU) 07:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:40:10 131.18 15.64 111.29 4.25 2020.28 39083.15 9077.85 07:50:10 24.80 1.72 21.58 1.51 85.09 2597.78 2285.12 08:00:10 6.52 0.00 6.26 0.26 0.01 211.00 655.08 08:10:10 7.48 0.78 6.21 0.49 12.58 241.51 747.33 08:20:10 62.09 37.12 23.62 1.35 297.22 3028.08 870.70 Average: 46.71 11.07 34.06 1.58 488.38 9136.51 2749.21 07:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:40:10 4860948 15325784 600944 3.67 237316 10026004 1373468 7.88 2067776 8697564 8732 07:50:10 4685096 10292848 5636784 34.43 251156 5219892 6861516 39.39 2204052 8792944 332 08:00:10 7009328 12630464 3300524 20.16 252048 5232224 4721892 27.10 2223776 6461176 1184 08:10:10 9484644 15289544 641412 3.92 259112 5398716 1445356 8.30 2241836 3964400 153924 08:20:10 4758668 11225752 4701700 28.72 276048 6027012 5319956 30.54 2454276 8429736 92 Average: 6159737 12952878 2976273 18.18 255136 6380770 3944438 22.64 2238343 7269164 32853 07:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:40:10 lo 2.91 2.91 2.21 2.21 0.00 0.00 0.00 0.00 07:40:10 ens3 171.41 128.50 2014.19 17.53 0.00 0.00 0.00 0.00 07:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:10 lo 10.82 10.82 7.96 7.96 0.00 0.00 0.00 0.00 07:50:10 ens3 1.41 0.91 0.80 0.25 0.00 0.00 0.00 0.00 07:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:10 lo 13.98 13.98 6.62 6.62 0.00 0.00 0.00 0.00 08:00:10 ens3 1.13 0.63 0.31 0.22 0.00 0.00 0.00 0.00 08:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:10 lo 11.77 11.77 6.91 6.91 0.00 0.00 0.00 0.00 08:10:10 ens3 1.07 0.72 0.43 0.33 0.00 0.00 0.00 0.00 08:10:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:10 lo 21.36 21.36 15.53 15.53 0.00 0.00 0.00 0.00 08:20:10 ens3 1.69 2.04 0.42 1.64 0.00 0.00 0.00 0.00 08:20:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 12.14 12.14 7.83 7.83 0.00 0.00 0.00 0.00 Average: ens3 35.82 26.91 408.81 4.04 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-33659) 07/07/26 _x86_64_ (4 CPU) 07:29:41 LINUX RESTART (4 CPU) 07:30:00 CPU %user %nice %system %iowait %steal %idle 07:40:10 all 38.86 0.00 2.60 6.05 0.10 52.40 07:40:10 0 43.16 0.00 2.75 6.35 0.10 47.64 07:40:10 1 38.77 0.00 2.54 6.54 0.10 52.05 07:40:10 2 36.97 0.00 2.48 5.35 0.10 55.10 07:40:10 3 36.53 0.00 2.63 5.94 0.09 54.80 07:50:10 all 25.26 0.00 1.05 0.19 0.08 73.41 07:50:10 0 23.63 0.00 1.02 0.11 0.08 75.16 07:50:10 1 26.23 0.00 1.03 0.11 0.09 72.54 07:50:10 2 25.02 0.00 1.09 0.17 0.09 73.63 07:50:10 3 26.16 0.00 1.07 0.38 0.09 72.30 08:00:10 all 14.09 0.00 0.59 0.05 0.07 85.20 08:00:10 0 13.66 0.00 0.50 0.08 0.06 85.70 08:00:10 1 14.07 0.00 0.61 0.02 0.07 85.24 08:00:10 2 14.18 0.00 0.68 0.04 0.07 85.03 08:00:10 3 14.46 0.00 0.58 0.04 0.07 84.85 08:10:10 all 16.07 0.00 0.73 0.26 0.08 82.87 08:10:10 0 16.42 0.00 0.63 0.15 0.07 82.72 08:10:10 1 16.07 0.00 0.75 0.49 0.08 82.60 08:10:10 2 15.98 0.00 0.70 0.06 0.08 83.17 08:10:10 3 15.79 0.00 0.83 0.34 0.08 82.96 08:20:10 all 30.11 0.00 1.12 0.31 0.09 68.36 08:20:10 0 29.70 0.00 1.08 0.31 0.09 68.83 08:20:10 1 29.85 0.00 1.26 0.54 0.09 68.27 08:20:10 2 30.76 0.00 1.01 0.28 0.09 67.87 08:20:10 3 30.14 0.00 1.15 0.13 0.09 68.50 Average: all 24.93 0.00 1.22 1.39 0.08 72.38 Average: 0 25.38 0.00 1.20 1.42 0.08 71.92 Average: 1 25.04 0.00 1.24 1.56 0.09 72.08 Average: 2 24.63 0.00 1.19 1.20 0.09 72.89 Average: 3 24.66 0.00 1.26 1.38 0.08 72.62