---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-1788 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): 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: 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: 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 694 11742 3 3553 14952 Swap: 1023 1 1022 ---> 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:ff:27:a8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.49/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79823sec preferred_lft 79823sec inet6 fe80::f816:3eff:feff:27a8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:0b:96:f5:f7:68 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::900b:96ff:fef5:f768/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-1788) 04/10/26 _x86_64_ (4 CPU) 11:59:49 LINUX RESTART (4 CPU) 12:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:10:06 156.69 16.55 135.09 5.05 2124.16 40006.49 12128.55 12:20:06 67.49 21.62 43.66 2.21 314.34 4467.23 3505.25 12:30:00 13.99 5.48 7.97 0.53 106.05 310.30 1012.73 12:40:06 29.49 0.19 13.61 15.69 9.65 560.95 209247.96 12:50:06 11.04 0.02 10.55 0.47 0.83 268.56 198.87 13:00:06 7.16 0.01 6.86 0.30 0.44 178.00 78.12 13:10:06 3.69 0.01 3.56 0.11 1.16 123.89 84.96 13:20:03 3.81 0.01 3.72 0.07 0.74 63.19 13.20 13:30:06 6.14 0.00 5.93 0.21 0.30 148.04 163.48 13:40:06 10.55 0.04 10.03 0.48 1.04 602.12 458.00 Average: 31.13 4.40 24.20 2.53 257.35 4703.08 22890.75 12:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:10:06 2112800 13520736 2399968 14.66 259604 10886644 3211924 18.44 2101912 11338908 676688 12:20:06 911148 3453948 12481160 76.23 265220 2327180 13404040 76.94 1963936 12976516 652 12:30:00 12716232 15329388 614056 3.75 267672 2395028 1366368 7.84 2020104 1145476 19776 12:40:06 11007852 13706172 2236672 13.66 272468 2475292 3009176 17.27 2064644 2814164 308 12:50:06 8695504 11420812 4520788 27.61 274424 2500316 5290588 30.37 2068336 5121264 344 13:00:06 8770372 11514372 4427236 27.04 275408 2518040 5215724 29.94 2070444 5042564 260 13:10:06 8656444 11415748 4526056 27.64 275752 2533016 5635816 32.35 2072288 5160304 328 13:20:03 7022224 9783964 6156596 37.60 276220 2534988 6916676 39.70 2073084 6783012 352 13:30:06 7004560 9782136 6158348 37.61 276872 2550168 6935784 39.81 2076504 6782764 80 13:40:06 8430232 11331680 4609720 28.15 280612 2670248 5302044 30.43 2092444 5356664 176 Average: 7532737 11125896 4813060 29.40 272425 3339092 5628814 32.31 2060370 6252164 69896 12:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:10:06 lo 3.37 3.37 2.39 2.39 0.00 0.00 0.00 0.00 12:10:06 ens3 168.07 127.23 2056.60 17.68 0.00 0.00 0.00 0.00 12:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:06 lo 38.36 38.36 22.76 22.76 0.00 0.00 0.00 0.00 12:20:06 ens3 2.01 1.84 0.46 0.40 0.00 0.00 0.00 0.00 12:20:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:00 lo 28.99 28.99 11.51 11.51 0.00 0.00 0.00 0.00 12:30:00 ens3 1.72 0.75 0.21 0.18 0.00 0.00 0.00 0.00 12:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:06 lo 7.33 7.33 3.85 3.85 0.00 0.00 0.00 0.00 12:40:06 ens3 1.30 1.41 0.29 1.28 0.00 0.00 0.00 0.00 12:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:06 lo 15.55 15.55 7.35 7.35 0.00 0.00 0.00 0.00 12:50:06 ens3 0.71 0.57 0.17 0.13 0.00 0.00 0.00 0.00 12:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:06 lo 17.01 17.01 8.64 8.64 0.00 0.00 0.00 0.00 13:00:06 ens3 0.73 0.57 0.17 0.13 0.00 0.00 0.00 0.00 13:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:06 lo 21.39 21.39 6.93 6.93 0.00 0.00 0.00 0.00 13:10:06 ens3 0.45 0.29 0.11 0.07 0.00 0.00 0.00 0.00 13:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:03 lo 16.82 16.82 8.66 8.66 0.00 0.00 0.00 0.00 13:20:03 ens3 0.54 0.41 0.12 0.09 0.00 0.00 0.00 0.00 13:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:06 lo 17.37 17.37 10.21 10.21 0.00 0.00 0.00 0.00 13:30:06 ens3 0.58 0.56 0.12 0.10 0.00 0.00 0.00 0.00 13:30:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:06 lo 17.21 17.21 9.70 9.70 0.00 0.00 0.00 0.00 13:40:06 ens3 1.03 0.86 0.28 0.23 0.00 0.00 0.00 0.00 13:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 18.30 18.30 9.19 9.19 0.00 0.00 0.00 0.00 Average: ens3 17.84 13.55 207.42 2.04 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-4c-16g-1788) 04/10/26 _x86_64_ (4 CPU) 11:59:49 LINUX RESTART (4 CPU) 12:00:00 CPU %user %nice %system %iowait %steal %idle 12:10:06 all 44.30 0.00 2.73 1.95 0.09 50.93 12:10:06 0 43.72 0.00 2.85 1.60 0.09 51.74 12:10:06 1 43.47 0.00 2.68 2.33 0.09 51.43 12:10:06 2 42.09 0.00 2.81 1.69 0.09 53.32 12:10:06 3 47.92 0.00 2.60 2.17 0.09 47.22 12:20:06 all 56.75 0.00 2.10 0.14 0.12 40.89 12:20:06 0 56.70 0.00 2.00 0.07 0.12 41.11 12:20:06 1 57.74 0.00 1.93 0.12 0.12 40.10 12:20:06 2 55.38 0.00 2.36 0.19 0.12 41.94 12:20:06 3 57.17 0.00 2.09 0.19 0.12 40.43 12:30:00 all 17.78 0.00 0.83 0.12 0.09 81.19 12:30:00 0 18.20 0.00 0.80 0.11 0.09 80.79 12:30:00 1 17.91 0.00 0.85 0.13 0.09 81.01 12:30:00 2 17.08 0.00 0.88 0.07 0.10 81.87 12:30:00 3 17.90 0.00 0.77 0.15 0.09 81.08 12:40:06 all 20.59 0.00 0.74 0.07 0.07 78.53 12:40:06 0 20.25 0.00 0.79 0.05 0.07 78.85 12:40:06 1 20.78 0.00 0.74 0.13 0.07 78.28 12:40:06 2 20.81 0.00 0.76 0.02 0.08 78.33 12:40:06 3 20.51 0.00 0.69 0.07 0.07 78.66 12:50:06 all 20.91 0.00 0.78 0.04 0.07 78.20 12:50:06 0 20.86 0.00 0.89 0.03 0.07 78.15 12:50:06 1 21.22 0.00 0.84 0.07 0.08 77.80 12:50:06 2 20.93 0.00 0.67 0.03 0.08 78.30 12:50:06 3 20.62 0.00 0.71 0.04 0.07 78.56 13:00:06 all 14.73 0.00 0.59 0.04 0.07 84.57 13:00:06 0 14.52 0.00 0.60 0.03 0.07 84.78 13:00:06 1 15.13 0.00 0.69 0.09 0.08 84.01 13:00:06 2 15.17 0.00 0.56 0.03 0.07 84.17 13:00:06 3 14.10 0.00 0.50 0.00 0.07 85.33 13:10:06 all 7.76 0.00 0.39 0.09 0.05 91.70 13:10:06 0 8.19 0.00 0.44 0.07 0.05 91.25 13:10:06 1 8.01 0.00 0.39 0.06 0.06 91.47 13:10:06 2 7.67 0.00 0.32 0.01 0.06 91.93 13:10:06 3 7.15 0.00 0.41 0.23 0.05 92.16 13:20:03 all 5.48 0.00 0.34 0.09 0.06 94.03 13:20:03 0 5.68 0.00 0.31 0.07 0.05 93.89 13:20:03 1 5.34 0.00 0.37 0.23 0.06 94.00 13:20:03 2 5.50 0.00 0.38 0.03 0.06 94.02 13:20:03 3 5.40 0.00 0.32 0.03 0.06 94.19 13:30:06 all 10.01 0.00 0.40 0.46 0.06 89.07 13:30:06 0 9.74 0.00 0.41 0.66 0.06 89.14 13:30:06 1 10.38 0.00 0.38 0.16 0.06 89.02 13:30:06 2 10.05 0.00 0.45 0.79 0.06 88.66 13:30:06 3 9.87 0.00 0.38 0.24 0.06 89.46 13:40:06 all 21.31 0.00 0.87 0.18 0.08 77.56 13:40:06 0 21.45 0.00 0.83 0.52 0.08 77.12 13:40:06 1 21.06 0.00 0.87 0.06 0.08 77.94 13:40:06 2 20.75 0.00 0.91 0.06 0.08 78.20 13:40:06 3 21.98 0.00 0.88 0.07 0.08 77.00 Average: all 21.98 0.00 0.98 0.32 0.08 76.65 Average: 0 21.95 0.00 0.99 0.32 0.07 76.67 Average: 1 22.12 0.00 0.97 0.34 0.08 76.49 Average: 2 21.57 0.00 1.01 0.29 0.08 77.05 Average: 3 22.28 0.00 0.94 0.32 0.08 76.39