---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-935 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 60G 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 713 11703 3 3572 14933 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:b5:c4:3c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.29/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79685sec preferred_lft 79685sec inet6 fe80::f816:3eff:feb5:c43c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:ff:78:b2:88:c0 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::3cff:78ff:feb2:88c0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-935) 04/07/26 _x86_64_ (4 CPU) 11:25:25 LINUX RESTART (4 CPU) 11:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:40:03 105.31 23.06 78.46 3.79 313.37 23598.57 12159.36 11:50:03 42.66 10.12 16.48 16.07 199.60 464.68 212488.64 12:00:01 9.96 0.21 9.28 0.47 14.14 325.06 2431.35 12:10:03 11.43 0.09 10.84 0.50 11.55 564.45 1135.61 12:20:03 17.04 0.02 16.26 0.77 0.68 539.67 502.77 12:30:01 5.85 0.00 5.67 0.18 0.27 140.88 296.58 12:40:03 5.30 0.03 5.09 0.18 2.10 139.30 90.86 12:50:03 7.78 0.01 7.41 0.35 1.40 256.53 173.92 13:00:01 6.20 0.00 6.02 0.18 0.13 172.88 70.51 13:10:03 9.53 0.03 9.11 0.39 3.84 580.99 114.01 Average: 22.15 3.37 16.49 2.29 54.82 2687.86 22941.05 11:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:40:03 167832 3192788 12735952 77.79 261644 2767748 14823704 85.09 1924088 13715480 168 11:50:03 4713720 7068316 8870520 54.18 262696 2148980 9659768 55.45 1813472 9326572 632 12:00:01 10385960 12770620 3172912 19.38 263816 2177932 4549032 26.11 1828884 3687588 7460 12:10:03 10355744 12851224 3091944 18.88 268328 2284252 4295288 24.65 1854472 3687008 10312 12:20:03 8817848 11384056 4558336 27.84 271008 2352288 5345764 30.68 1861160 5209564 120 12:30:01 8863780 11445380 4496812 27.46 271620 2367068 5245228 30.11 1862128 5167284 120 12:40:03 8866560 11466920 4475268 27.33 272084 2385364 5219072 29.96 1863752 5165684 700 12:50:03 7513900 10153132 5788536 35.35 273160 2423164 6644404 38.14 1869264 6486528 400 13:00:01 8801592 11464560 4478060 27.35 274012 2446044 5301348 30.43 1871708 5212104 268 13:10:03 8465928 11256468 4685820 28.62 278148 2569416 5290548 30.37 1886784 5530788 304 Average: 7695286 10305346 5635416 34.42 269652 2392226 6637416 38.10 1863571 6318860 2048 11:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:40:03 lo 13.43 13.43 12.64 12.64 0.00 0.00 0.00 0.00 11:40:03 ens3 37.58 27.83 642.12 3.82 0.00 0.00 0.00 0.00 11:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:03 lo 44.88 44.88 20.56 20.56 0.00 0.00 0.00 0.00 11:50:03 ens3 1.60 1.43 0.36 0.45 0.00 0.00 0.00 0.00 11:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:01 lo 20.67 20.67 8.89 8.89 0.00 0.00 0.00 0.00 12:00:01 ens3 0.86 0.66 0.21 0.16 0.00 0.00 0.00 0.00 12:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:03 lo 12.31 12.31 6.45 6.45 0.00 0.00 0.00 0.00 12:10:03 ens3 0.68 0.57 0.18 0.15 0.00 0.00 0.00 0.00 12:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:03 lo 14.82 14.82 8.16 8.16 0.00 0.00 0.00 0.00 12:20:03 ens3 0.94 0.74 0.20 0.16 0.00 0.00 0.00 0.00 12:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:01 lo 18.75 18.75 9.04 9.04 0.00 0.00 0.00 0.00 12:30:01 ens3 0.65 0.52 0.14 0.11 0.00 0.00 0.00 0.00 12:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:03 lo 22.28 22.28 7.52 7.52 0.00 0.00 0.00 0.00 12:40:03 ens3 0.63 0.35 0.18 0.12 0.00 0.00 0.00 0.00 12:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:03 lo 21.10 21.10 11.50 11.50 0.00 0.00 0.00 0.00 12:50:03 ens3 0.73 0.57 0.14 0.11 0.00 0.00 0.00 0.00 12:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:01 lo 17.36 17.36 9.89 9.89 0.00 0.00 0.00 0.00 13:00:01 ens3 0.73 0.54 0.19 0.14 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 13:10:03 lo 20.17 20.17 9.75 9.75 0.00 0.00 0.00 0.00 13:10:03 ens3 0.96 0.80 0.25 0.20 0.00 0.00 0.00 0.00 13:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.57 20.57 10.44 10.44 0.00 0.00 0.00 0.00 Average: ens3 4.55 3.41 64.65 0.54 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-935) 04/07/26 _x86_64_ (4 CPU) 11:25:25 LINUX RESTART (4 CPU) 11:30:01 CPU %user %nice %system %iowait %steal %idle 11:40:03 all 52.85 0.00 2.24 0.52 0.11 44.28 11:40:03 0 52.49 0.00 2.18 0.63 0.11 44.59 11:40:03 1 55.15 0.00 2.17 0.56 0.11 42.01 11:40:03 2 50.54 0.00 2.31 0.54 0.11 46.50 11:40:03 3 53.22 0.00 2.32 0.35 0.11 44.00 11:50:03 all 36.76 0.00 1.53 1.21 0.11 60.39 11:50:03 0 36.47 0.00 1.59 2.54 0.11 59.29 11:50:03 1 36.25 0.00 1.46 1.09 0.12 61.08 11:50:03 2 37.05 0.00 1.55 1.14 0.11 60.15 11:50:03 3 37.26 0.00 1.53 0.06 0.11 61.04 12:00:01 all 20.51 0.00 0.93 0.49 0.11 77.96 12:00:01 0 20.71 0.00 0.92 0.17 0.15 78.05 12:00:01 1 20.48 0.00 0.80 0.33 0.09 78.29 12:00:01 2 20.61 0.00 1.00 1.19 0.09 77.10 12:00:01 3 20.24 0.00 1.02 0.24 0.10 78.40 12:10:03 all 19.31 0.00 0.67 0.07 0.08 79.87 12:10:03 0 19.23 0.00 0.65 0.03 0.07 80.02 12:10:03 1 18.75 0.00 0.65 0.17 0.08 80.35 12:10:03 2 19.69 0.00 0.68 0.05 0.08 79.50 12:10:03 3 19.56 0.00 0.71 0.05 0.08 79.60 12:20:03 all 27.63 0.00 0.89 0.06 0.09 71.33 12:20:03 0 28.18 0.00 0.85 0.08 0.09 70.80 12:20:03 1 27.33 0.00 0.86 0.05 0.08 71.68 12:20:03 2 26.92 0.00 1.04 0.09 0.09 71.86 12:20:03 3 28.12 0.00 0.81 0.03 0.08 70.97 12:30:01 all 8.59 0.00 0.44 0.02 0.07 90.88 12:30:01 0 8.43 0.00 0.41 0.01 0.06 91.09 12:30:01 1 8.83 0.00 0.53 0.06 0.07 90.52 12:30:01 2 8.56 0.00 0.41 0.01 0.07 90.95 12:30:01 3 8.54 0.00 0.43 0.01 0.06 90.96 12:40:03 all 8.35 0.00 0.46 0.02 0.07 91.11 12:40:03 0 8.06 0.00 0.40 0.01 0.06 91.47 12:40:03 1 8.05 0.00 0.52 0.02 0.07 91.33 12:40:03 2 8.84 0.00 0.52 0.03 0.07 90.54 12:40:03 3 8.43 0.00 0.41 0.02 0.06 91.08 12:50:03 all 17.21 0.00 0.72 0.10 0.08 81.89 12:50:03 0 17.35 0.00 0.76 0.07 0.08 81.75 12:50:03 1 17.49 0.00 0.76 0.03 0.08 81.64 12:50:03 2 16.69 0.00 0.65 0.25 0.08 82.32 12:50:03 3 17.31 0.00 0.70 0.05 0.07 81.86 13:00:01 all 8.94 0.00 0.42 0.03 0.07 90.54 13:00:01 0 8.81 0.00 0.40 0.03 0.07 90.69 13:00:01 1 8.72 0.00 0.45 0.02 0.07 90.73 13:00:01 2 9.20 0.00 0.48 0.03 0.08 90.21 13:00:01 3 9.03 0.00 0.36 0.04 0.06 90.52 13:10:03 all 14.95 0.00 0.60 0.08 0.07 84.29 13:10:03 0 14.26 0.00 0.53 0.00 0.07 85.14 13:10:03 1 14.37 0.00 0.69 0.04 0.07 84.82 13:10:03 2 15.39 0.00 0.58 0.05 0.08 83.90 13:10:03 3 15.78 0.00 0.62 0.24 0.07 83.30 Average: all 21.52 0.00 0.89 0.26 0.08 77.24 Average: 0 21.41 0.00 0.87 0.36 0.09 77.28 Average: 1 21.55 0.00 0.89 0.24 0.09 77.24 Average: 2 21.36 0.00 0.92 0.34 0.09 77.29 Average: 3 21.76 0.00 0.89 0.11 0.08 77.16