---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-36935 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 12G 143G 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 940 24547 4 6604 30684 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:cc:f6:80 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.111/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82020sec preferred_lft 82020sec inet6 fe80::f816:3eff:fecc:f680/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6e:d3:45:f7:18:75 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 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-36935) 08/12/26 _x86_64_ (8 CPU) 12:25:27 LINUX RESTART (8 CPU) 12:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:40:08 19.00 0.23 4.68 14.09 27.79 791.72 543517.12 12:50:28 1.28 0.00 1.28 0.00 0.04 14.97 0.00 13:00:01 26.26 1.40 24.54 0.33 101.83 1015.69 527.40 13:10:13 35.19 3.34 29.29 2.56 172.75 5527.39 5775.80 13:20:16 33.46 0.10 29.05 4.31 5.55 2513.78 17322.85 13:30:01 35.66 0.02 31.09 4.55 0.66 3073.02 16538.92 Average: 24.99 0.85 19.81 4.33 51.33 2158.17 98386.04 12:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:40:08 29967468 31864600 516344 1.57 65624 2166248 1531372 4.52 231860 2363752 32 12:50:28 29966292 31863864 517124 1.57 65948 2166388 1531372 4.52 232196 2364004 168 13:00:01 29242708 31553516 801212 2.44 98528 2524948 1600648 4.72 336460 2947124 182636 13:10:13 25986784 29735916 2573384 7.83 164708 3807844 2706996 7.98 714800 5719904 63164 13:20:16 24596728 28898076 3406060 10.36 201928 4274464 3394872 10.01 852516 6890544 160348 13:30:01 24512664 29191004 3108660 9.46 224312 4596928 3046516 8.98 957216 6842088 10000 Average: 27378774 30517829 1820464 5.54 136841 3256137 2301963 6.79 554175 4521236 69391 12:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:40:08 lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 12:40:08 ens3 17.52 9.88 320.64 0.71 0.00 0.00 0.00 0.00 12:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:28 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 12:50:28 ens3 0.35 0.13 0.09 0.04 0.00 0.00 0.00 0.00 12:50:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:01 lo 0.17 0.17 0.01 0.01 0.00 0.00 0.00 0.00 13:00:01 ens3 30.01 19.75 206.54 5.12 0.00 0.00 0.00 0.00 13:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:13 lo 853.38 853.38 812.70 812.70 0.00 0.00 0.00 0.00 13:10:13 ens3 130.94 100.53 903.91 23.01 0.00 0.00 0.00 0.00 13:10:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:16 lo 1957.59 1957.59 1864.67 1864.67 0.00 0.00 0.00 0.00 13:20:16 ens3 51.33 37.74 18.34 13.60 0.00 0.00 0.00 0.00 13:20:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:01 lo 1857.28 1857.28 1768.91 1768.91 0.00 0.00 0.00 0.00 13:30:01 ens3 51.24 39.57 20.18 16.12 0.00 0.00 0.00 0.00 13:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 774.78 774.78 737.88 737.88 0.00 0.00 0.00 0.00 Average: ens3 46.98 34.68 247.09 9.75 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 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-36935) 08/12/26 _x86_64_ (8 CPU) 12:25:27 LINUX RESTART (8 CPU) 12:30:01 CPU %user %nice %system %iowait %steal %idle 12:40:08 all 0.18 0.00 0.07 0.13 0.01 99.61 12:40:08 0 0.14 0.00 0.09 0.16 0.00 99.61 12:40:08 1 0.34 0.00 0.10 0.04 0.01 99.51 12:40:08 2 0.16 0.00 0.07 0.04 0.02 99.72 12:40:08 3 0.19 0.00 0.07 0.53 0.01 99.20 12:40:08 4 0.13 0.00 0.06 0.10 0.01 99.71 12:40:08 5 0.14 0.00 0.07 0.09 0.01 99.68 12:40:08 6 0.09 0.00 0.06 0.05 0.01 99.79 12:40:08 7 0.25 0.00 0.07 0.04 0.00 99.64 12:50:28 all 0.05 0.00 0.01 0.04 0.05 99.85 12:50:28 0 0.01 0.00 0.01 0.00 0.01 99.97 12:50:28 1 0.02 0.00 0.02 0.00 0.06 99.90 12:50:28 2 0.27 0.00 0.02 0.00 0.02 99.69 12:50:28 3 0.02 0.00 0.03 0.28 0.08 99.59 12:50:28 4 0.00 0.00 0.01 0.00 0.08 99.90 12:50:28 5 0.02 0.00 0.02 0.00 0.11 99.85 12:50:28 6 0.01 0.00 0.00 0.00 0.06 99.92 12:50:28 7 0.01 0.00 0.00 0.00 0.01 99.98 13:00:01 all 1.15 0.00 0.14 0.09 0.05 98.56 13:00:01 0 1.14 0.00 0.20 0.37 0.05 98.24 13:00:01 1 0.50 0.00 0.08 0.00 0.05 99.36 13:00:01 2 1.72 0.00 0.11 0.02 0.05 98.10 13:00:01 3 0.39 0.00 0.11 0.01 0.07 99.43 13:00:01 4 2.55 0.00 0.22 0.28 0.06 96.89 13:00:01 5 2.00 0.00 0.26 0.03 0.07 97.64 13:00:01 6 0.15 0.00 0.06 0.00 0.04 99.74 13:00:01 7 0.75 0.00 0.11 0.02 0.04 99.08 13:10:13 all 34.41 0.00 1.41 0.09 0.08 64.02 13:10:13 0 31.86 0.00 1.21 0.02 0.07 66.83 13:10:13 1 34.10 0.00 1.40 0.07 0.08 64.36 13:10:13 2 35.88 0.00 1.63 0.09 0.08 62.31 13:10:13 3 33.34 0.00 1.63 0.06 0.08 64.90 13:10:13 4 34.03 0.00 1.56 0.28 0.08 64.06 13:10:13 5 35.71 0.00 1.29 0.09 0.08 62.83 13:10:13 6 35.65 0.00 1.36 0.08 0.08 62.83 13:10:13 7 34.71 0.00 1.18 0.03 0.08 64.00 13:20:16 all 38.27 0.00 1.66 0.05 0.08 59.94 13:20:16 0 37.95 0.00 1.74 0.02 0.08 60.20 13:20:16 1 35.18 0.00 1.63 0.07 0.08 63.04 13:20:16 2 40.75 0.00 1.96 0.07 0.08 57.14 13:20:16 3 40.38 0.00 1.74 0.05 0.08 57.74 13:20:16 4 38.65 0.00 1.29 0.03 0.07 59.96 13:20:16 5 38.56 0.00 1.80 0.02 0.08 59.54 13:20:16 6 38.20 0.00 1.49 0.06 0.08 60.18 13:20:16 7 36.51 0.00 1.64 0.07 0.08 61.70 13:30:01 all 37.19 0.00 1.85 0.20 0.08 60.67 13:30:01 0 36.56 0.00 2.14 0.41 0.09 60.80 13:30:01 1 35.10 0.00 1.69 0.09 0.08 63.05 13:30:01 2 36.09 0.00 2.02 0.45 0.08 61.35 13:30:01 3 39.83 0.00 2.14 0.53 0.08 57.42 13:30:01 4 38.55 0.00 1.63 0.04 0.08 59.71 13:30:01 5 36.20 0.00 1.98 0.02 0.08 61.72 13:30:01 6 39.67 0.00 1.71 0.04 0.08 58.50 13:30:01 7 35.50 0.00 1.53 0.03 0.08 62.86 Average: all 18.51 0.00 0.86 0.10 0.06 80.48 Average: 0 17.92 0.00 0.89 0.16 0.05 80.98 Average: 1 17.52 0.00 0.82 0.05 0.06 81.56 Average: 2 19.13 0.00 0.97 0.11 0.06 79.73 Average: 3 18.98 0.00 0.95 0.24 0.07 79.76 Average: 4 18.93 0.00 0.79 0.12 0.06 80.09 Average: 5 18.74 0.00 0.90 0.04 0.07 80.25 Average: 6 18.92 0.00 0.78 0.04 0.06 80.21 Average: 7 17.92 0.00 0.75 0.03 0.05 81.24