---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-32843 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 61G 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 712 11053 3 4223 14934 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:5c:24:2d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.105/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79907sec preferred_lft 79907sec inet6 fe80::f816:3eff:fe5c:242d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 26:6b:e2:38:31:b9 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 inet6 fe80::246b:e2ff:fe38:31b9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-32843) 07/04/26 _x86_64_ (4 CPU) 09:10:32 LINUX RESTART (4 CPU) 09:20:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:01 67.57 21.86 43.18 2.53 268.60 5214.51 2736.89 09:40:13 12.83 2.05 10.27 0.51 37.95 320.59 470.88 09:50:13 8.30 0.15 7.81 0.35 7.83 420.05 494.85 10:00:01 16.40 0.03 15.67 0.71 1.48 440.99 1082.71 10:10:13 23.05 0.02 7.86 15.17 1.44 195.22 206597.16 10:20:13 7.20 0.02 6.98 0.20 0.89 150.51 72.35 10:30:01 5.21 0.01 5.03 0.17 1.09 137.30 88.89 10:40:09 7.75 0.00 7.55 0.19 0.70 170.42 171.14 10:50:13 11.54 0.02 10.93 0.58 1.07 635.77 427.98 Average: 17.67 2.64 12.73 2.30 35.18 843.40 24032.44 09:20:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:01 1858568 5009080 10922528 66.71 262068 2875676 11744044 67.41 2060144 11860596 2568 09:40:13 7940020 11124384 4810496 29.38 263928 2907800 5540228 31.80 2111584 5745108 312 09:50:13 11175688 14449404 1490120 9.10 267660 2993452 2875116 16.50 2141676 2516376 6224 10:00:01 11750932 15083784 856084 5.23 270464 3049784 1641584 9.42 2158436 1918544 11344 10:10:13 7902228 11250184 4687432 28.63 271764 3063588 5427804 31.16 2164988 5743688 188 10:20:13 7905000 11268776 4668832 28.52 272516 3078660 5297828 30.41 2166552 5741044 56 10:30:01 6421384 9801232 6135672 37.47 273080 3094172 6824576 39.17 2168696 7216372 296 10:40:09 11907352 15322148 617440 3.77 273556 3128636 1360496 7.81 2173696 1742796 17300 10:50:13 7729500 11263432 4674064 28.55 277940 3241544 5360164 30.77 2188148 5900180 244 Average: 8287852 11619158 4318074 26.37 270331 3048146 5119093 29.38 2148213 5376078 4281 09:20:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:01 lo 38.19 38.19 23.49 23.49 0.00 0.00 0.00 0.00 09:30:01 ens3 1.91 1.78 0.46 0.40 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:13 lo 32.16 32.16 13.17 13.17 0.00 0.00 0.00 0.00 09:40:13 ens3 6.06 3.95 3.74 3.41 0.00 0.00 0.00 0.00 09:40:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:13 lo 5.24 5.24 2.67 2.67 0.00 0.00 0.00 0.00 09:50:13 ens3 0.66 0.55 0.21 0.17 0.00 0.00 0.00 0.00 09:50:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:01 lo 13.21 13.21 7.34 7.34 0.00 0.00 0.00 0.00 10:00:01 ens3 0.95 0.91 0.23 0.19 0.00 0.00 0.00 0.00 10:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:13 lo 19.45 19.45 9.26 9.26 0.00 0.00 0.00 0.00 10:10:13 ens3 0.66 0.65 0.14 0.12 0.00 0.00 0.00 0.00 10:10:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:13 lo 26.73 26.73 9.16 9.16 0.00 0.00 0.00 0.00 10:20:13 ens3 0.43 0.35 0.09 0.07 0.00 0.00 0.00 0.00 10:20:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:01 lo 17.11 17.11 8.75 8.75 0.00 0.00 0.00 0.00 10:30:01 ens3 0.75 0.57 0.19 0.14 0.00 0.00 0.00 0.00 10:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:09 lo 17.55 17.55 10.34 10.34 0.00 0.00 0.00 0.00 10:40:09 ens3 0.69 0.57 0.16 0.12 0.00 0.00 0.00 0.00 10:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:13 lo 18.00 18.00 9.96 9.96 0.00 0.00 0.00 0.00 10:50:13 ens3 0.96 0.92 0.27 0.23 0.00 0.00 0.00 0.00 10:50:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.85 20.85 10.45 10.45 0.00 0.00 0.00 0.00 Average: ens3 1.46 1.14 0.62 0.55 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-32843) 07/04/26 _x86_64_ (4 CPU) 09:10:32 LINUX RESTART (4 CPU) 09:20:13 CPU %user %nice %system %iowait %steal %idle 09:30:01 all 55.74 0.00 2.01 0.09 0.12 42.04 09:30:01 0 56.11 0.00 1.93 0.09 0.12 41.75 09:30:01 1 55.64 0.00 2.11 0.05 0.12 42.08 09:30:01 2 55.95 0.00 2.02 0.15 0.12 41.76 09:30:01 3 55.26 0.00 1.98 0.08 0.12 42.57 09:40:13 all 23.48 0.00 1.02 0.16 0.09 75.25 09:40:13 0 23.73 0.00 1.05 0.16 0.09 74.97 09:40:13 1 23.70 0.00 1.11 0.05 0.09 75.05 09:40:13 2 23.26 0.00 1.04 0.09 0.09 75.53 09:40:13 3 23.25 0.00 0.87 0.33 0.09 75.45 09:50:13 all 8.65 0.00 0.54 0.04 0.07 90.71 09:50:13 0 8.34 0.00 0.54 0.04 0.07 91.01 09:50:13 1 8.90 0.00 0.54 0.09 0.07 90.41 09:50:13 2 8.92 0.00 0.57 0.02 0.07 90.42 09:50:13 3 8.43 0.00 0.50 0.01 0.06 91.00 10:00:01 all 27.60 0.00 0.89 0.33 0.08 71.10 10:00:01 0 27.48 0.00 0.89 0.05 0.08 71.51 10:00:01 1 28.31 0.00 0.92 0.18 0.08 70.51 10:00:01 2 27.20 0.00 0.84 0.17 0.08 71.71 10:00:01 3 27.41 0.00 0.91 0.90 0.08 70.70 10:10:13 all 13.62 0.00 0.50 0.18 0.07 85.63 10:10:13 0 14.07 0.00 0.41 0.24 0.07 85.21 10:10:13 1 13.95 0.00 0.47 0.12 0.06 85.40 10:10:13 2 13.38 0.00 0.59 0.07 0.07 85.89 10:10:13 3 13.10 0.00 0.52 0.28 0.07 86.03 10:20:13 all 8.64 0.00 0.41 0.05 0.06 90.84 10:20:13 0 8.58 0.00 0.42 0.15 0.06 90.80 10:20:13 1 8.35 0.00 0.48 0.01 0.06 91.10 10:20:13 2 8.73 0.00 0.37 0.02 0.06 90.82 10:20:13 3 8.92 0.00 0.36 0.02 0.05 90.66 10:30:01 all 10.21 0.00 0.39 0.04 0.07 89.30 10:30:01 0 10.24 0.00 0.39 0.07 0.06 89.23 10:30:01 1 10.40 0.00 0.39 0.03 0.07 89.11 10:30:01 2 9.90 0.00 0.38 0.04 0.07 89.61 10:30:01 3 10.28 0.00 0.41 0.01 0.06 89.25 10:40:09 all 10.26 0.00 0.55 0.03 0.07 89.09 10:40:09 0 10.32 0.00 0.57 0.03 0.06 89.02 10:40:09 1 10.71 0.00 0.56 0.03 0.07 88.63 10:40:09 2 10.59 0.00 0.59 0.07 0.07 88.68 10:40:09 3 9.44 0.00 0.46 0.01 0.06 90.03 10:50:13 all 20.12 0.00 0.66 0.05 0.07 79.09 10:50:13 0 19.75 0.00 0.73 0.11 0.07 79.34 10:50:13 1 20.55 0.00 0.64 0.03 0.07 78.71 10:50:13 2 19.44 0.00 0.68 0.03 0.07 79.78 10:50:13 3 20.76 0.00 0.58 0.05 0.07 78.55 Average: all 19.71 0.00 0.77 0.11 0.08 79.34 Average: 0 19.75 0.00 0.77 0.10 0.08 79.30 Average: 1 19.95 0.00 0.80 0.06 0.08 79.10 Average: 2 19.60 0.00 0.78 0.07 0.08 79.46 Average: 3 19.54 0.00 0.73 0.19 0.07 79.47