---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-981 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): 8 On-line CPU(s) list: 0-7 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): 8 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: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 18G 138G 12% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 783 19599 4 11710 30841 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:fb:9b:a6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.130/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 82218sec preferred_lft 82218sec inet6 fe80::f816:3eff:fefb:9ba6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:e6:91:f5:a1:2c 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-8c-8g-981) 03/02/26 _x86_64_ (8 CPU) 10:21:52 LINUX RESTART (8 CPU) 10:30:27 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:40:28 1.38 0.20 1.18 0.00 1.82 15.26 94.33 10:50:21 1.06 0.00 1.06 0.00 0.00 13.29 0.00 11:00:23 48.70 5.13 42.33 1.24 335.61 4537.04 994.99 11:10:28 13.93 0.45 12.79 0.70 16.79 4030.54 2537.45 11:20:28 7.74 0.08 6.70 0.96 2.81 632.13 67.57 11:30:28 331.85 0.55 325.60 5.70 6.67 23685.72 41384.45 Average: 67.46 1.07 64.96 1.43 60.82 5491.84 7514.32 10:30:27 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:40:28 29921568 31763400 620516 1.89 63704 2115220 1521548 4.49 328252 2311628 16 10:50:21 29918052 31760368 623616 1.90 64040 2115360 1521744 4.49 328604 2323080 12 11:00:23 25080964 28260944 4050248 12.32 148024 3291932 4480500 13.21 606688 6767000 46360 11:10:28 24325604 28680148 3625388 11.03 172020 4377448 3386672 9.99 770016 7240964 42484 11:20:28 20770588 25237180 7063012 21.49 173844 4475732 9054384 26.70 806084 10777480 540 11:30:28 16682536 27735056 4503768 13.70 484432 10042400 4712416 13.90 1881108 13016416 29924 Average: 24449885 28906183 3414425 10.39 184344 4403015 4112877 12.13 786792 7072761 19889 10:30:27 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:40:28 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 10:40:28 ens3 0.46 0.27 0.18 0.43 0.00 0.00 0.00 0.00 10:40:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:21 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 10:50:21 ens3 0.61 0.31 0.22 0.37 0.00 0.00 0.00 0.00 10:50:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:23 lo 0.27 0.27 0.03 0.03 0.00 0.00 0.00 0.00 11:00:23 ens3 175.66 111.39 897.59 39.47 0.00 0.00 0.00 0.00 11:00:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:28 lo 2.15 2.15 1.03 1.03 0.00 0.00 0.00 0.00 11:10:28 ens3 206.49 118.76 390.62 49.19 0.00 0.00 0.00 0.00 11:10:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:28 lo 5.83 5.83 0.97 0.97 0.00 0.00 0.00 0.00 11:20:28 ens3 9.53 7.88 2.27 3.13 0.00 0.00 0.00 0.00 11:20:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:28 lo 0.36 0.36 0.05 0.05 0.00 0.00 0.00 0.00 11:30:28 ens3 166.66 105.41 934.36 32.66 0.00 0.00 0.00 0.00 11:30:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.47 1.47 0.35 0.35 0.00 0.00 0.00 0.00 Average: ens3 93.59 57.55 371.81 20.96 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-8c-8g-981) 03/02/26 _x86_64_ (8 CPU) 10:21:52 LINUX RESTART (8 CPU) 10:30:27 CPU %user %nice %system %iowait %steal %idle 10:40:28 all 0.09 0.00 0.01 0.01 0.01 99.88 10:40:28 0 0.01 0.00 0.01 0.00 0.01 99.97 10:40:28 1 0.04 0.00 0.03 0.01 0.02 99.90 10:40:28 2 0.55 0.00 0.02 0.00 0.01 99.41 10:40:28 3 0.01 0.00 0.01 0.00 0.00 99.98 10:40:28 4 0.01 0.00 0.00 0.00 0.00 99.98 10:40:28 5 0.01 0.00 0.01 0.06 0.01 99.91 10:40:28 6 0.04 0.00 0.01 0.00 0.00 99.94 10:40:28 7 0.00 0.00 0.01 0.00 0.01 99.98 10:50:21 all 0.11 0.00 0.02 0.00 0.01 99.87 10:50:21 0 0.00 0.00 0.01 0.00 0.00 99.99 10:50:21 1 0.03 0.00 0.03 0.02 0.02 99.91 10:50:21 2 0.75 0.00 0.04 0.00 0.02 99.19 10:50:21 3 0.01 0.00 0.01 0.00 0.01 99.97 10:50:21 4 0.00 0.00 0.01 0.00 0.00 99.99 10:50:21 5 0.01 0.00 0.01 0.00 0.01 99.97 10:50:21 6 0.02 0.00 0.01 0.00 0.00 99.96 10:50:21 7 0.02 0.00 0.01 0.00 0.00 99.97 11:00:23 all 25.06 0.00 1.27 0.39 1.63 71.65 11:00:23 0 26.05 0.00 1.23 0.38 1.52 70.81 11:00:23 1 23.37 0.00 1.30 1.14 1.70 72.49 11:00:23 2 24.92 0.00 1.25 0.30 1.87 71.65 11:00:23 3 24.79 0.00 1.40 0.38 1.64 71.79 11:00:23 4 22.95 0.00 1.27 0.24 1.75 73.79 11:00:23 5 28.28 0.00 1.30 0.17 1.59 68.65 11:00:23 6 24.88 0.00 1.25 0.10 1.48 72.29 11:00:23 7 25.25 0.00 1.13 0.39 1.51 71.72 11:10:28 all 39.64 0.00 1.41 0.11 0.51 58.32 11:10:28 0 34.98 0.00 1.35 0.24 0.43 63.01 11:10:28 1 36.70 0.00 1.74 0.26 0.52 60.78 11:10:28 2 39.52 0.00 1.30 0.01 0.64 58.53 11:10:28 3 48.03 0.00 1.42 0.03 0.49 50.03 11:10:28 4 40.46 0.00 1.39 0.16 0.45 57.55 11:10:28 5 39.28 0.00 1.58 0.11 0.53 58.50 11:10:28 6 39.59 0.00 1.36 0.02 0.56 58.47 11:10:28 7 38.59 0.00 1.17 0.03 0.48 59.72 11:20:28 all 96.35 0.00 2.61 0.00 0.13 0.91 11:20:28 0 96.11 0.00 2.57 0.01 0.14 1.18 11:20:28 1 96.07 0.00 2.70 0.00 0.13 1.10 11:20:28 2 96.24 0.00 2.53 0.00 0.14 1.09 11:20:28 3 97.29 0.00 2.44 0.00 0.13 0.14 11:20:28 4 96.38 0.00 2.68 0.00 0.13 0.81 11:20:28 5 96.09 0.00 2.57 0.00 0.13 1.20 11:20:28 6 96.03 0.00 2.64 0.00 0.14 1.20 11:20:28 7 96.58 0.00 2.72 0.00 0.13 0.57 11:30:28 all 53.64 0.00 2.99 0.67 0.10 42.60 11:30:28 0 57.74 0.00 2.54 0.69 0.10 38.93 11:30:28 1 51.01 0.00 2.89 1.34 0.10 44.66 11:30:28 2 53.19 0.00 3.27 0.75 0.11 42.68 11:30:28 3 57.27 0.00 3.30 0.62 0.10 38.71 11:30:28 4 52.35 0.00 2.94 0.36 0.11 44.23 11:30:28 5 51.62 0.00 2.63 0.38 0.09 45.27 11:30:28 6 53.39 0.00 3.35 0.71 0.10 42.46 11:30:28 7 52.57 0.00 2.98 0.49 0.10 43.86 Average: all 35.84 0.00 1.38 0.20 0.40 62.17 Average: 0 35.84 0.00 1.29 0.22 0.37 62.28 Average: 1 34.58 0.00 1.45 0.46 0.41 63.10 Average: 2 35.86 0.00 1.40 0.18 0.47 62.10 Average: 3 37.94 0.00 1.43 0.17 0.40 60.05 Average: 4 35.39 0.00 1.38 0.13 0.41 62.69 Average: 5 35.93 0.00 1.35 0.12 0.39 62.20 Average: 6 35.68 0.00 1.44 0.14 0.38 62.36 Average: 7 35.53 0.00 1.34 0.15 0.37 62.60