---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-24735 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): 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: 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: 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 12G 144G 8% / 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 954 24789 4 6348 30670 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:99:f0:2a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.93/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82573sec preferred_lft 82573sec inet6 fe80::f816:3eff:fe99:f02a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:0a:fe:3a:99:1f 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-8c-8g-24735) 01/09/26 _x86_64_ (8 CPU) 09:55:43 LINUX RESTART (8 CPU) 10:00:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:15 6.25 0.43 5.35 0.47 404.21 648.09 3070.96 10:20:15 45.21 2.19 28.69 14.33 126.68 2011.71 514356.75 10:30:14 24.48 2.48 19.80 2.21 139.41 3333.56 3625.29 10:40:15 30.46 0.14 26.33 3.99 5.64 2428.36 11228.41 10:50:15 34.06 0.01 29.93 4.12 0.12 3137.83 16092.29 Average: 28.09 1.05 22.02 5.02 135.21 2311.91 109675.10 10:00:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:15 29915260 31872920 507488 1.54 65628 2227376 1492568 4.40 367620 2277276 168 10:20:15 29293972 31801940 543260 1.65 106608 2705736 1077060 3.18 498092 2723876 352 10:30:14 25957212 29373072 2937720 8.94 150160 3521380 3496376 10.31 810524 5687688 27492 10:40:15 25540416 29413676 2892396 8.80 184776 3899804 2876788 8.48 935772 5921504 31544 10:50:15 24803768 29260056 3041184 9.25 218584 4399872 2935464 8.66 1078776 6439104 14920 Average: 27102126 30344333 1984410 6.04 145151 3350834 2375651 7.01 738157 4609890 14895 10:00:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:15 lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 10:10:15 ens3 14.28 9.06 210.11 0.64 0.00 0.00 0.00 0.00 10:10:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:15 lo 0.27 0.27 0.03 0.03 0.00 0.00 0.00 0.00 10:20:15 ens3 42.48 27.94 244.67 6.98 0.00 0.00 0.00 0.00 10:20:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:14 lo 811.69 811.69 772.57 772.57 0.00 0.00 0.00 0.00 10:30:14 ens3 109.09 83.40 714.25 19.31 0.00 0.00 0.00 0.00 10:30:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:15 lo 1626.11 1626.11 1547.36 1547.36 0.00 0.00 0.00 0.00 10:40:15 ens3 56.38 38.07 19.68 14.20 0.00 0.00 0.00 0.00 10:40:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:15 lo 1653.45 1653.45 1573.76 1573.76 0.00 0.00 0.00 0.00 10:50:15 ens3 54.50 36.57 19.85 15.34 0.00 0.00 0.00 0.00 10:50:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 818.34 818.34 778.75 778.75 0.00 0.00 0.00 0.00 Average: ens3 55.35 39.01 241.71 11.29 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-8c-8g-24735) 01/09/26 _x86_64_ (8 CPU) 09:55:43 LINUX RESTART (8 CPU) 10:00:14 CPU %user %nice %system %iowait %steal %idle 10:10:15 all 0.25 0.00 0.12 0.15 0.01 99.48 10:10:15 0 0.18 0.00 0.08 0.37 0.00 99.37 10:10:15 1 0.19 0.00 0.10 0.04 0.01 99.66 10:10:15 2 0.61 0.00 0.07 0.28 0.01 99.03 10:10:15 3 0.14 0.00 0.06 0.12 0.01 99.67 10:10:15 4 0.24 0.00 0.09 0.23 0.01 99.44 10:10:15 5 0.25 0.00 0.10 0.02 0.00 99.63 10:10:15 6 0.22 0.00 0.31 0.13 0.01 99.33 10:10:15 7 0.17 0.00 0.14 0.02 0.00 99.66 10:20:15 all 1.38 0.00 0.17 0.91 0.01 97.52 10:20:15 0 2.33 0.00 0.26 0.97 0.01 96.44 10:20:15 1 0.46 0.00 0.15 0.92 0.01 98.46 10:20:15 2 0.70 0.00 0.14 1.82 0.01 97.34 10:20:15 3 1.22 0.00 0.11 0.20 0.01 98.46 10:20:15 4 1.42 0.00 0.19 0.09 0.01 98.28 10:20:15 5 0.96 0.00 0.16 2.89 0.01 95.98 10:20:15 6 0.46 0.00 0.08 0.15 0.01 99.30 10:20:15 7 3.51 0.00 0.30 0.25 0.01 95.93 10:30:14 all 28.16 0.00 1.20 0.05 0.07 70.52 10:30:14 0 28.63 0.00 1.09 0.06 0.07 70.16 10:30:14 1 27.34 0.00 1.16 0.04 0.07 71.39 10:30:14 2 30.56 0.00 1.37 0.06 0.07 67.94 10:30:14 3 28.12 0.00 1.11 0.05 0.07 70.66 10:30:14 4 28.60 0.00 1.49 0.04 0.07 69.79 10:30:14 5 26.31 0.00 1.23 0.05 0.07 72.34 10:30:14 6 28.59 0.00 0.96 0.07 0.07 70.31 10:30:14 7 27.15 0.00 1.16 0.05 0.06 71.57 10:40:15 all 37.84 0.00 1.65 0.27 0.09 60.15 10:40:15 0 34.60 0.00 1.58 0.41 0.09 63.33 10:40:15 1 38.85 0.00 1.78 0.18 0.09 59.10 10:40:15 2 38.05 0.00 1.89 0.25 0.09 59.72 10:40:15 3 36.50 0.00 1.41 0.12 0.09 61.88 10:40:15 4 36.73 0.00 1.62 0.65 0.09 60.91 10:40:15 5 41.77 0.00 1.66 0.05 0.09 56.43 10:40:15 6 40.11 0.00 1.61 0.36 0.09 57.83 10:40:15 7 36.14 0.00 1.68 0.11 0.09 61.98 10:50:15 all 37.13 0.00 1.81 0.37 0.09 60.61 10:50:15 0 37.96 0.00 1.73 0.32 0.09 59.90 10:50:15 1 38.04 0.00 2.04 0.22 0.10 59.61 10:50:15 2 38.31 0.00 1.78 0.05 0.10 59.76 10:50:15 3 38.01 0.00 2.01 0.31 0.10 59.57 10:50:15 4 36.75 0.00 1.95 1.19 0.09 60.03 10:50:15 5 36.69 0.00 1.82 0.06 0.09 61.34 10:50:15 6 37.55 0.00 1.53 0.57 0.09 60.26 10:50:15 7 33.73 0.00 1.60 0.20 0.08 64.39 Average: all 20.92 0.00 0.99 0.35 0.05 77.69 Average: 0 20.71 0.00 0.95 0.42 0.05 77.87 Average: 1 20.95 0.00 1.04 0.28 0.06 77.67 Average: 2 21.61 0.00 1.05 0.49 0.05 76.80 Average: 3 20.77 0.00 0.94 0.16 0.06 78.08 Average: 4 20.71 0.00 1.07 0.44 0.05 77.73 Average: 5 21.16 0.00 0.99 0.62 0.05 77.18 Average: 6 21.36 0.00 0.90 0.26 0.05 77.43 Average: 7 20.11 0.00 0.97 0.13 0.05 78.74