---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-5473 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: 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 655 9687 4 5646 14991 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:a2:ed:2f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.100/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83042sec preferred_lft 83042sec inet6 fe80::f816:3eff:fea2:ed2f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:82:ef:8e:ba:f3 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-5473) 01/28/26 _x86_64_ (4 CPU) 17:57:11 LINUX RESTART (4 CPU) 18:00:44 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:10:54 18.69 12.13 5.94 0.62 705.23 920.14 17342.50 18:20:54 1.24 0.01 1.23 0.00 0.04 16.01 432.64 18:30:00 85.63 5.11 73.44 7.08 297.86 5639.37 79116.45 18:40:05 13.05 0.00 10.80 2.25 0.15 687.50 49746.90 18:50:26 38.69 0.41 32.51 5.77 15.16 6568.70 23850.83 Average: 30.47 3.51 23.88 3.08 202.01 2732.05 33185.25 18:00:44 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:10:54 13286248 15536896 467348 2.85 64240 2402832 1142308 6.56 464928 2361464 8 18:20:54 13284652 15535900 468336 2.86 64820 2402816 1142308 6.56 465528 2360880 4 18:30:00 9496620 13067928 2890872 17.66 149164 3552376 3518356 20.20 906124 5593376 13960 18:40:05 9474348 13192832 2764616 16.89 155928 3681732 3061052 17.57 929204 5579960 10620 18:50:26 9948816 15373192 574260 3.51 191324 5260716 1097920 6.30 1574624 4333372 44 Average: 11098137 14541350 1433086 8.75 125095 3460094 1992389 11.44 868082 4045810 4927 18:00:44 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:10:54 lo 0.17 0.17 0.02 0.02 0.00 0.00 0.00 0.00 18:10:54 ens3 18.09 11.56 264.08 0.83 0.00 0.00 0.00 0.00 18:10:54 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:20:54 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 18:20:54 ens3 0.21 0.08 0.04 0.02 0.00 0.00 0.00 0.00 18:20:54 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:30:00 lo 0.88 0.88 0.10 0.10 0.00 0.00 0.00 0.00 18:30:00 ens3 112.58 84.15 807.43 19.17 0.00 0.00 0.00 0.00 18:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:40:05 lo 53.69 53.69 13.38 13.38 0.00 0.00 0.00 0.00 18:40:05 ens3 5.95 4.57 3.92 1.44 0.00 0.00 0.00 0.00 18:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:26 lo 2038.10 2038.10 1959.92 1959.92 0.00 0.00 0.00 0.00 18:50:26 ens3 84.67 67.70 448.83 95.15 0.00 0.00 0.00 0.00 18:50:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 435.57 435.57 410.92 410.92 0.00 0.00 0.00 0.00 Average: ens3 43.21 32.82 296.22 23.80 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-5473) 01/28/26 _x86_64_ (4 CPU) 17:57:11 LINUX RESTART (4 CPU) 18:00:44 CPU %user %nice %system %iowait %steal %idle 18:10:54 all 0.55 0.08 0.31 0.33 0.02 98.71 18:10:54 0 0.37 0.02 0.24 0.22 0.02 99.14 18:10:54 1 0.83 0.00 0.30 0.12 0.02 98.72 18:10:54 2 0.50 0.15 0.36 0.26 0.01 98.73 18:10:54 3 0.51 0.16 0.36 0.71 0.03 98.23 18:20:54 all 0.22 0.00 0.03 0.07 0.02 99.67 18:20:54 0 0.19 0.00 0.02 0.04 0.02 99.73 18:20:54 1 0.55 0.00 0.02 0.20 0.02 99.21 18:20:54 2 0.10 0.00 0.03 0.02 0.02 99.84 18:20:54 3 0.03 0.00 0.03 0.03 0.02 99.89 18:30:00 all 36.91 0.00 1.50 0.66 0.07 60.85 18:30:00 0 38.19 0.00 1.67 0.27 0.07 59.80 18:30:00 1 36.67 0.00 1.49 1.17 0.08 60.59 18:30:00 2 36.51 0.00 1.40 0.92 0.07 61.10 18:30:00 3 36.25 0.00 1.46 0.29 0.07 61.93 18:40:05 all 13.69 0.00 0.74 0.11 0.08 85.38 18:40:05 0 13.38 0.00 0.73 0.05 0.08 85.76 18:40:05 1 13.24 0.00 0.78 0.06 0.08 85.84 18:40:05 2 14.29 0.00 0.77 0.07 0.08 84.79 18:40:05 3 13.84 0.00 0.69 0.27 0.08 85.12 18:50:26 all 51.21 0.00 2.57 0.24 0.09 45.89 18:50:26 0 50.23 0.00 2.31 0.42 0.09 46.95 18:50:26 1 51.02 0.00 2.90 0.26 0.09 45.73 18:50:26 2 51.43 0.00 2.18 0.12 0.09 46.17 18:50:26 3 52.14 0.00 2.91 0.15 0.09 44.70 Average: all 20.33 0.02 1.03 0.27 0.06 78.29 Average: 0 20.28 0.00 0.99 0.20 0.06 78.48 Average: 1 20.27 0.00 1.10 0.34 0.06 78.23 Average: 2 20.38 0.03 0.94 0.26 0.05 78.32 Average: 3 20.39 0.03 1.09 0.29 0.06 78.14