---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-30004 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: 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 723 9660 4 5605 14923 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:21:4b:99 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.109/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79257sec preferred_lft 79257sec inet6 fe80::f816:3eff:fe21:4b99/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:6e:e3:58:5b:ff 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::d46e:e3ff:fe58:5bff/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-30004) 03/25/26 _x86_64_ (4 CPU) 07:01:28 LINUX RESTART (4 CPU) 07:10:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:20:10 42.27 0.30 39.44 2.53 35.87 24772.04 36105.80 07:30:11 29.18 2.28 25.09 1.81 112.44 6011.89 2037.90 07:40:10 40.03 21.47 17.57 0.99 264.53 1439.00 633.21 07:50:41 13.01 0.04 12.31 0.66 1.15 573.44 1106.16 08:00:42 16.61 0.01 15.81 0.79 0.56 434.77 584.60 08:10:41 7.00 0.00 6.64 0.35 0.43 187.78 170.08 08:20:03 2.87 0.01 2.81 0.06 0.43 54.36 0.50 08:30:41 7.92 0.01 7.56 0.35 0.99 226.01 317.55 08:40:42 4.23 0.00 4.13 0.11 0.13 133.14 93.39 08:50:41 9.85 0.07 9.45 0.33 4.88 554.36 154.94 Average: 17.31 2.41 14.10 0.80 41.93 3426.70 4109.01 07:10:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:20:10 5007184 15157028 771500 4.71 228296 9743280 1516624 8.71 1933368 8709124 234172 07:30:11 846404 5163016 10763252 65.74 256328 3958564 11752376 67.46 1824284 13020548 380 07:40:10 6433320 11110652 4818136 29.43 268032 4303732 5560308 31.92 2046724 7229208 140 07:50:41 6684384 11466564 4464020 27.26 273340 4397924 5266708 30.23 2097496 6926356 76 08:00:42 6599932 11432760 4497564 27.47 276332 4445380 5256376 30.17 2104648 7008560 100 08:10:41 6647584 11503460 4426952 27.04 277444 4467256 5192940 29.81 2106668 6941944 464 08:20:03 10414644 15287976 644116 3.93 277896 4484256 1350296 7.75 2108444 3169608 13676 08:30:41 5051768 9943368 5986292 36.56 279184 4501164 6775712 38.89 2112588 8546916 264 08:40:42 6517276 11428484 4501912 27.50 279692 4520208 5275644 30.28 2114552 7086232 356 08:50:41 6317428 11354864 4574872 27.94 283800 4636124 5179968 29.73 2129516 7255132 180 Average: 6051992 11384817 4544862 27.76 270034 4945789 5312695 30.49 2057829 7589363 24981 07:10:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:20:10 lo 0.55 0.55 0.08 0.08 0.00 0.00 0.00 0.00 07:20:10 ens3 48.45 37.37 698.24 3.90 0.00 0.00 0.00 0.00 07:20:10 docker0 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 07:30:11 lo 9.23 9.23 7.37 7.37 0.00 0.00 0.00 0.00 07:30:11 ens3 1.32 1.11 0.43 0.41 0.00 0.00 0.00 0.00 07:30:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:10 lo 22.50 22.50 11.80 11.80 0.00 0.00 0.00 0.00 07:40:10 ens3 2.18 1.15 0.51 0.38 0.00 0.00 0.00 0.00 07:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:41 lo 13.18 13.18 6.34 6.34 0.00 0.00 0.00 0.00 07:50:41 ens3 1.48 0.90 0.33 0.24 0.00 0.00 0.00 0.00 07:50:41 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:42 lo 16.24 16.24 8.12 8.12 0.00 0.00 0.00 0.00 08:00:42 ens3 1.37 1.05 0.27 1.48 0.00 0.00 0.00 0.00 08:00:42 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:41 lo 17.65 17.65 8.85 8.85 0.00 0.00 0.00 0.00 08:10:41 ens3 1.00 0.62 0.22 0.16 0.00 0.00 0.00 0.00 08:10:41 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:03 lo 23.14 23.14 7.48 7.48 0.00 0.00 0.00 0.00 08:20:03 ens3 0.65 0.26 0.13 0.07 0.00 0.00 0.00 0.00 08:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:41 lo 19.50 19.50 10.74 10.74 0.00 0.00 0.00 0.00 08:30:41 ens3 0.92 0.62 0.20 0.15 0.00 0.00 0.00 0.00 08:30:41 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:42 lo 16.63 16.63 9.55 9.55 0.00 0.00 0.00 0.00 08:40:42 ens3 0.74 0.50 0.17 0.12 0.00 0.00 0.00 0.00 08:40:42 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:41 lo 21.50 21.50 10.30 10.30 0.00 0.00 0.00 0.00 08:50:41 ens3 1.43 0.91 0.37 0.27 0.00 0.00 0.00 0.00 08:50:41 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 15.97 15.97 8.07 8.07 0.00 0.00 0.00 0.00 Average: ens3 5.94 4.43 69.77 0.72 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-30004) 03/25/26 _x86_64_ (4 CPU) 07:01:28 LINUX RESTART (4 CPU) 07:10:10 CPU %user %nice %system %iowait %steal %idle 07:20:10 all 16.14 0.00 1.18 36.35 0.09 46.24 07:20:10 0 17.55 0.00 1.35 34.09 0.09 46.92 07:20:10 1 15.74 0.00 1.09 30.48 0.09 52.60 07:20:10 2 18.71 0.00 1.30 35.46 0.09 44.44 07:20:10 3 12.55 0.00 0.99 45.38 0.08 41.00 07:30:11 all 24.62 0.00 1.38 11.95 0.15 61.90 07:30:11 0 24.51 0.00 1.41 9.41 0.15 64.52 07:30:11 1 23.22 0.00 1.49 7.79 0.16 67.34 07:30:11 2 26.65 0.00 1.40 14.37 0.16 57.42 07:30:11 3 24.09 0.00 1.21 16.24 0.15 58.32 07:40:10 all 28.19 0.00 1.21 1.43 0.15 69.03 07:40:10 0 28.90 0.00 1.19 1.13 0.14 68.65 07:40:10 1 27.35 0.00 1.20 1.71 0.15 69.59 07:40:10 2 28.70 0.00 1.17 1.46 0.16 68.52 07:40:10 3 27.80 0.00 1.27 1.43 0.14 69.37 07:50:41 all 23.92 0.00 0.94 0.08 0.12 74.94 07:50:41 0 22.97 0.00 1.00 0.17 0.10 75.77 07:50:41 1 24.39 0.00 0.84 0.03 0.16 74.58 07:50:41 2 24.35 0.00 0.97 0.04 0.10 74.55 07:50:41 3 23.95 0.00 0.98 0.09 0.11 74.87 08:00:42 all 28.22 0.00 1.00 0.20 0.14 70.45 08:00:42 0 28.06 0.00 1.24 0.37 0.12 70.20 08:00:42 1 27.31 0.00 0.97 0.16 0.15 71.41 08:00:42 2 28.24 0.00 0.88 0.11 0.14 70.63 08:00:42 3 29.28 0.00 0.90 0.15 0.14 69.54 08:10:41 all 14.87 0.00 0.59 0.09 0.07 84.37 08:10:41 0 15.20 0.00 0.61 0.11 0.07 84.02 08:10:41 1 14.60 0.00 0.66 0.05 0.08 84.61 08:10:41 2 14.83 0.00 0.61 0.03 0.07 84.46 08:10:41 3 14.88 0.00 0.50 0.16 0.07 84.40 08:20:03 all 3.55 0.00 0.43 0.01 0.05 95.96 08:20:03 0 3.33 0.00 0.35 0.01 0.04 96.28 08:20:03 1 3.77 0.00 0.53 0.02 0.05 95.63 08:20:03 2 3.83 0.00 0.48 0.01 0.05 95.63 08:20:03 3 3.27 0.00 0.37 0.00 0.05 96.31 08:30:41 all 17.69 0.00 0.77 0.10 0.08 81.35 08:30:41 0 17.97 0.00 0.73 0.05 0.08 81.17 08:30:41 1 17.93 0.00 0.81 0.15 0.09 81.02 08:30:41 2 17.27 0.00 0.79 0.13 0.08 81.73 08:30:41 3 17.60 0.00 0.75 0.08 0.08 81.49 08:40:42 all 9.26 0.00 0.42 0.93 0.19 89.19 08:40:42 0 9.06 0.00 0.43 0.58 0.18 89.75 08:40:42 1 9.27 0.00 0.43 0.42 0.19 89.70 08:40:42 2 10.10 0.00 0.43 0.34 0.17 88.96 08:40:42 3 8.62 0.00 0.39 2.40 0.24 88.36 08:50:41 all 16.28 0.00 0.72 0.38 0.10 82.52 08:50:41 0 16.40 0.00 0.80 0.21 0.09 82.50 08:50:41 1 16.34 0.00 0.63 0.14 0.10 82.80 08:50:41 2 16.36 0.00 0.65 0.68 0.10 82.21 08:50:41 3 16.03 0.00 0.80 0.48 0.10 82.58 Average: all 18.38 0.00 0.87 5.13 0.11 75.51 Average: 0 18.50 0.00 0.91 4.60 0.11 75.88 Average: 1 18.11 0.00 0.87 4.07 0.12 76.83 Average: 2 19.00 0.00 0.87 5.23 0.11 74.78 Average: 3 17.92 0.00 0.82 6.61 0.12 74.53