---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-1097 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: 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 18G 60G 23% / 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 690 10946 4 4352 14955 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:34:85:43 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.191/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80044sec preferred_lft 80044sec inet6 fe80::f816:3eff:fe34:8543/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e2:ae:80:b9:08:b8 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-16g-1097) 03/18/26 _x86_64_ (4 CPU) 08:02:34 LINUX RESTART (4 CPU) 08:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:20:11 76.14 22.58 50.60 2.96 270.28 5243.61 3253.49 08:30:07 16.75 0.15 15.77 0.83 6.35 451.53 649.29 08:40:01 14.46 0.10 13.74 0.61 7.98 591.71 653.16 08:50:15 31.89 0.09 16.06 15.74 2.02 470.60 205326.43 09:00:15 4.34 0.00 4.23 0.11 0.16 116.59 63.69 09:10:01 18.80 12.40 6.21 0.19 150.95 170.58 283.38 09:20:15 6.41 0.01 6.22 0.18 0.91 145.29 76.00 09:30:15 4.54 0.02 4.43 0.09 1.08 75.20 60.72 09:40:01 10.35 0.04 9.87 0.44 3.97 620.38 331.13 Average: 20.54 3.94 14.21 2.40 49.36 884.03 23977.88 08:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:20:11 4680952 7945756 7987092 48.78 263612 2983752 9135428 52.44 1951168 9141360 236 08:30:07 5907460 9200612 6733456 41.13 265892 3009684 8571064 49.20 1978892 7919420 600 08:40:01 10481148 13884280 2053488 12.54 270804 3114720 2923652 16.78 2006100 3327312 7508 08:50:15 8666432 12129252 3807916 23.26 273860 3171352 4919824 28.24 2017480 5131472 224 09:00:15 7984584 11461188 4475200 27.33 274288 3184732 5174408 29.70 2018648 5807024 332 09:10:01 6286216 9835424 6099908 37.26 280860 3241060 6814704 39.12 2062240 7441016 112 09:20:15 6399232 9965960 5969452 36.46 281444 3258004 6689532 38.40 2065272 7328536 56 09:30:15 9396728 12981704 2955496 18.05 281864 3275824 4169344 23.93 2067460 4345708 16924 09:40:01 7736284 11445960 4490016 27.42 286368 3389832 5172228 29.69 2081756 5978124 356 Average: 7504337 10983348 4952447 30.25 275444 3180996 5952243 34.17 2027668 6268886 2928 08:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:20:11 lo 27.30 27.30 19.37 19.37 0.00 0.00 0.00 0.00 08:20:11 ens3 3.69 2.39 1.00 1.99 0.00 0.00 0.00 0.00 08:20:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:07 lo 43.71 43.71 17.59 17.59 0.00 0.00 0.00 0.00 08:30:07 ens3 2.18 1.33 0.54 0.40 0.00 0.00 0.00 0.00 08:30:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:01 lo 13.27 13.27 6.37 6.37 0.00 0.00 0.00 0.00 08:40:01 ens3 1.48 0.79 0.33 0.23 0.00 0.00 0.00 0.00 08:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:15 lo 16.79 16.79 8.33 8.33 0.00 0.00 0.00 0.00 08:50:15 ens3 0.96 0.66 0.20 0.13 0.00 0.00 0.00 0.00 08:50:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:15 lo 20.39 20.39 9.86 9.86 0.00 0.00 0.00 0.00 09:00:15 ens3 1.04 0.65 0.28 0.20 0.00 0.00 0.00 0.00 09:00:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:01 lo 25.89 25.89 10.80 10.80 0.00 0.00 0.00 0.00 09:10:01 ens3 0.63 0.49 0.12 0.09 0.00 0.00 0.00 0.00 09:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:15 lo 15.50 15.50 8.05 8.05 0.00 0.00 0.00 0.00 09:20:15 ens3 0.78 0.47 0.21 0.15 0.00 0.00 0.00 0.00 09:20:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:15 lo 11.31 11.31 6.02 6.02 0.00 0.00 0.00 0.00 09:30:15 ens3 1.70 0.60 0.52 0.32 0.00 0.00 0.00 0.00 09:30:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:01 lo 18.65 18.65 10.30 10.30 0.00 0.00 0.00 0.00 09:40:01 ens3 1.25 0.89 0.32 0.25 0.00 0.00 0.00 0.00 09:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.39 21.39 10.75 10.75 0.00 0.00 0.00 0.00 Average: ens3 1.52 0.92 0.39 0.42 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-16g-1097) 03/18/26 _x86_64_ (4 CPU) 08:02:34 LINUX RESTART (4 CPU) 08:10:01 CPU %user %nice %system %iowait %steal %idle 08:20:11 all 60.41 0.00 2.27 0.19 0.14 37.00 08:20:11 0 59.98 0.00 2.19 0.29 0.14 37.41 08:20:11 1 61.16 0.00 2.52 0.19 0.14 36.00 08:20:11 2 60.05 0.00 2.06 0.17 0.14 37.57 08:20:11 3 60.44 0.00 2.29 0.10 0.13 37.03 08:30:07 all 35.49 0.00 1.36 0.12 0.12 62.91 08:30:07 0 35.75 0.00 1.34 0.14 0.11 62.65 08:30:07 1 35.45 0.00 1.28 0.10 0.12 63.05 08:30:07 2 35.47 0.00 1.45 0.15 0.11 62.82 08:30:07 3 35.31 0.00 1.36 0.09 0.12 63.12 08:40:01 all 22.18 0.00 0.92 0.15 0.09 76.66 08:40:01 0 22.11 0.00 0.89 0.06 0.09 76.84 08:40:01 1 22.31 0.00 0.87 0.32 0.10 76.40 08:40:01 2 22.42 0.00 0.99 0.04 0.09 76.46 08:40:01 3 21.87 0.00 0.92 0.18 0.09 76.93 08:50:15 all 26.74 0.00 0.88 0.19 0.09 72.11 08:50:15 0 26.27 0.00 0.85 0.08 0.09 72.71 08:50:15 1 26.55 0.00 0.97 0.30 0.08 72.10 08:50:15 2 26.76 0.00 0.84 0.24 0.08 72.08 08:50:15 3 27.40 0.00 0.85 0.12 0.08 71.54 09:00:15 all 9.88 0.00 0.46 0.26 0.06 89.34 09:00:15 0 9.78 0.00 0.39 0.08 0.05 89.69 09:00:15 1 9.65 0.00 0.48 0.08 0.07 89.74 09:00:15 2 9.88 0.00 0.46 0.73 0.07 88.87 09:00:15 3 10.20 0.00 0.51 0.15 0.06 89.08 09:10:01 all 10.93 0.10 0.51 0.74 0.07 87.65 09:10:01 0 10.85 0.09 0.44 0.61 0.07 87.94 09:10:01 1 11.13 0.00 0.53 0.66 0.09 87.59 09:10:01 2 11.20 0.24 0.53 0.76 0.07 87.20 09:10:01 3 10.55 0.07 0.53 0.94 0.07 87.85 09:20:15 all 9.61 0.00 0.41 0.20 0.07 89.71 09:20:15 0 9.80 0.00 0.44 0.38 0.06 89.32 09:20:15 1 9.49 0.00 0.42 0.11 0.08 89.90 09:20:15 2 9.44 0.00 0.46 0.07 0.07 89.96 09:20:15 3 9.72 0.00 0.30 0.24 0.07 89.67 09:30:15 all 5.01 0.00 0.26 0.15 0.05 94.52 09:30:15 0 4.98 0.00 0.29 0.28 0.05 94.39 09:30:15 1 5.33 0.00 0.29 0.09 0.06 94.23 09:30:15 2 5.23 0.00 0.21 0.09 0.06 94.41 09:30:15 3 4.49 0.00 0.26 0.13 0.05 95.07 09:40:01 all 17.04 0.00 0.62 0.10 0.08 82.17 09:40:01 0 16.75 0.00 0.69 0.02 0.07 82.47 09:40:01 1 16.50 0.00 0.58 0.19 0.08 82.65 09:40:01 2 18.49 0.00 0.57 0.03 0.08 80.84 09:40:01 3 16.42 0.00 0.63 0.17 0.08 82.70 Average: all 22.01 0.01 0.86 0.23 0.09 76.81 Average: 0 21.89 0.01 0.84 0.22 0.08 76.96 Average: 1 22.04 0.00 0.88 0.22 0.09 76.76 Average: 2 22.19 0.03 0.84 0.25 0.09 76.60 Average: 3 21.91 0.01 0.85 0.23 0.08 76.91