---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-53555 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: 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 907 24980 4 6204 30716 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:89:d5:4a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.174/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83046sec preferred_lft 83046sec inet6 fe80::f816:3eff:fe89:d54a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:31:13:bb:d8:12 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-53555) 03/27/26 _x86_64_ (8 CPU) 14:27:24 LINUX RESTART (8 CPU) 14:30:27 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:40:27 2.53 0.04 2.48 0.01 1.87 7492.53 217.33 14:50:17 43.53 2.83 26.06 14.64 146.78 2266.81 523905.00 15:00:27 28.68 2.00 24.10 2.59 126.65 4396.82 8828.29 15:10:06 35.49 0.01 30.71 4.77 0.07 2511.18 18785.32 15:20:28 30.54 0.01 26.79 3.74 0.12 2791.15 13176.81 Average: 28.07 0.97 21.99 5.10 55.00 3900.28 111157.78 14:30:27 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:40:27 30232876 31867244 519516 1.58 60176 1912492 1510560 4.45 198908 2134684 8 14:50:17 28662228 31204380 1132420 3.45 111520 2726400 1638972 4.83 380280 3433128 293632 15:00:27 25999120 29447552 2863088 8.71 162944 3518724 2838088 8.37 700896 5702800 15872 15:10:06 25499420 29404680 2901948 8.83 194508 3904932 3468932 10.23 806216 6077856 89920 15:20:28 24859928 29193784 3109044 9.46 216416 4274732 3133336 9.24 927320 6542540 20864 Average: 27050714 30223528 2105203 6.41 149113 3267456 2517978 7.43 602724 4778202 84059 14:30:27 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:40:27 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 14:40:27 ens3 0.38 0.15 0.12 0.06 0.00 0.00 0.00 0.00 14:40:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:17 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 14:50:17 ens3 70.63 52.97 716.74 9.70 0.00 0.00 0.00 0.00 14:50:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:27 lo 1062.94 1062.94 1010.79 1010.79 0.00 0.00 0.00 0.00 15:00:27 ens3 57.08 41.83 355.46 9.96 0.00 0.00 0.00 0.00 15:00:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:06 lo 2005.82 2005.82 1911.43 1911.43 0.00 0.00 0.00 0.00 15:10:06 ens3 18.33 16.21 8.41 5.53 0.00 0.00 0.00 0.00 15:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:28 lo 1517.18 1517.18 1444.67 1444.67 0.00 0.00 0.00 0.00 15:20:28 ens3 22.93 19.50 9.07 6.68 0.00 0.00 0.00 0.00 15:20:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 917.78 917.78 873.85 873.85 0.00 0.00 0.00 0.00 Average: ens3 33.85 26.12 216.63 6.39 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-53555) 03/27/26 _x86_64_ (8 CPU) 14:27:24 LINUX RESTART (8 CPU) 14:30:27 CPU %user %nice %system %iowait %steal %idle 14:40:27 all 0.04 0.00 0.01 0.12 0.01 99.82 14:40:27 0 0.01 0.00 0.01 0.71 0.00 99.27 14:40:27 1 0.04 0.00 0.02 0.00 0.01 99.93 14:40:27 2 0.01 0.00 0.01 0.13 0.01 99.84 14:40:27 3 0.01 0.00 0.01 0.03 0.00 99.94 14:40:27 4 0.03 0.00 0.02 0.04 0.01 99.90 14:40:27 5 0.01 0.00 0.01 0.01 0.00 99.97 14:40:27 6 0.01 0.00 0.01 0.02 0.00 99.96 14:40:27 7 0.18 0.00 0.01 0.03 0.01 99.77 14:50:17 all 3.10 0.00 0.25 0.47 0.02 96.17 14:50:17 0 3.84 0.00 0.26 1.63 0.01 94.26 14:50:17 1 4.35 0.00 0.27 1.23 0.02 94.12 14:50:17 2 3.15 0.00 0.22 0.03 0.02 96.58 14:50:17 3 3.07 0.00 0.20 0.19 0.01 96.52 14:50:17 4 1.52 0.00 0.14 0.03 0.01 98.31 14:50:17 5 2.44 0.00 0.26 0.03 0.01 97.26 14:50:17 6 1.96 0.00 0.17 0.03 0.01 97.83 14:50:17 7 4.46 0.00 0.49 0.59 0.03 94.44 15:00:27 all 41.30 0.00 1.57 0.15 0.11 56.88 15:00:27 0 40.95 0.00 1.53 0.05 0.11 57.36 15:00:27 1 40.14 0.00 1.48 0.25 0.11 58.02 15:00:27 2 40.68 0.00 1.55 0.14 0.11 57.52 15:00:27 3 41.72 0.00 1.45 0.34 0.11 56.38 15:00:27 4 42.35 0.00 1.47 0.07 0.10 56.01 15:00:27 5 42.81 0.00 1.77 0.09 0.11 55.21 15:00:27 6 39.82 0.00 1.57 0.07 0.10 58.45 15:00:27 7 41.91 0.00 1.75 0.16 0.11 56.06 15:10:06 all 36.07 0.00 1.77 0.15 0.10 61.92 15:10:06 0 37.15 0.00 1.45 0.05 0.10 61.25 15:10:06 1 35.93 0.00 1.98 0.24 0.10 61.74 15:10:06 2 34.90 0.00 1.84 0.22 0.10 62.94 15:10:06 3 33.71 0.00 1.63 0.15 0.09 64.42 15:10:06 4 36.54 0.00 1.84 0.21 0.10 61.32 15:10:06 5 35.55 0.00 1.81 0.11 0.10 62.43 15:10:06 6 34.38 0.00 1.57 0.09 0.09 63.87 15:10:06 7 40.39 0.00 2.03 0.10 0.10 57.38 15:20:28 all 36.99 0.00 1.74 0.27 0.12 60.88 15:20:28 0 40.81 0.00 1.74 0.19 0.12 57.14 15:20:28 1 33.54 0.00 1.78 0.27 0.11 64.30 15:20:28 2 37.85 0.00 1.92 0.52 0.11 59.60 15:20:28 3 35.62 0.00 1.78 0.47 0.11 62.01 15:20:28 4 37.44 0.00 1.46 0.10 0.14 60.87 15:20:28 5 36.23 0.00 1.85 0.22 0.11 61.58 15:20:28 6 39.89 0.00 1.70 0.08 0.11 58.22 15:20:28 7 34.52 0.00 1.74 0.31 0.11 63.33 Average: all 23.61 0.00 1.07 0.23 0.07 75.02 Average: 0 24.68 0.00 1.00 0.52 0.07 73.72 Average: 1 22.88 0.00 1.11 0.40 0.07 75.55 Average: 2 23.44 0.00 1.11 0.21 0.07 75.17 Average: 3 22.94 0.00 1.02 0.24 0.07 75.73 Average: 4 23.69 0.00 0.98 0.09 0.07 75.17 Average: 5 23.52 0.00 1.14 0.09 0.07 75.18 Average: 6 23.34 0.00 1.00 0.06 0.06 75.53 Average: 7 24.37 0.00 1.21 0.24 0.07 74.11