---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-489563 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 710 10892 3 4386 14936 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:a7:15:2a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.51/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79881sec preferred_lft 79881sec inet6 fe80::f816:3eff:fea7:152a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ea:47:5a:96:e4:c6 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-489563) 03/16/26 _x86_64_ (4 CPU) 09:47:01 LINUX RESTART (4 CPU) 09:50:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:00:03 82.26 2.58 75.37 4.31 532.78 31976.23 12199.98 10:10:03 61.12 26.30 33.00 1.82 278.37 1922.05 3151.92 10:20:03 7.69 0.26 7.05 0.38 11.99 239.76 575.92 10:30:03 20.72 0.04 19.75 0.93 1.19 805.53 485.67 10:40:03 7.57 0.01 7.25 0.31 0.49 195.40 83.00 10:50:03 4.77 0.02 4.58 0.18 0.55 127.52 179.71 11:00:03 4.77 0.01 4.58 0.18 1.05 128.87 305.36 11:10:03 17.14 12.04 4.92 0.18 142.20 150.35 52.43 11:20:03 11.39 0.05 10.89 0.45 4.72 626.32 385.43 11:30:03 19.40 0.13 3.94 15.34 2.24 137.49 209248.66 Average: 23.68 4.14 17.13 2.41 97.56 3630.91 22664.74 09:50:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:00:03 150356 5136156 10791128 65.91 253028 4603884 12900472 74.05 2155572 13363644 1352 10:10:03 3898396 7217536 8716988 53.24 260476 3047264 10537372 60.48 2070060 9835176 516 10:20:03 6722724 10135408 5799656 35.42 264036 3136972 6837008 39.24 2093384 6994896 78492 10:30:03 9490176 12965220 2973076 18.16 267544 3195840 3732400 21.42 2117216 4217480 268 10:40:03 7785644 11282764 4654536 28.43 268720 3216740 5334516 30.62 2119572 5913784 320 10:50:03 7843764 11356492 4580800 27.98 269432 3231652 5226540 30.00 2121032 5848916 304 11:00:03 6444432 9972540 5963912 36.43 269968 3246504 6650648 38.17 2123064 7244704 424 11:10:03 5997564 9598588 6337608 38.71 274868 3303604 6961940 39.96 2166180 7634944 684 11:20:03 7704952 11448072 4488768 27.42 279424 3433888 5162024 29.63 2182476 5909848 436 11:30:03 6665304 10436916 5499432 33.59 281876 3459748 6192996 35.55 2200116 6932604 872 Average: 6270331 9954969 5980590 36.53 268937 3387610 6953592 39.91 2134867 7389600 8367 09:50:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:00:03 lo 4.62 4.62 5.63 5.63 0.00 0.00 0.00 0.00 10:00:03 ens3 67.80 53.29 1138.68 5.76 0.00 0.00 0.00 0.00 10:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:03 lo 48.91 48.91 25.93 25.93 0.00 0.00 0.00 0.00 10:10:03 ens3 3.27 2.04 0.70 0.50 0.00 0.00 0.00 0.00 10:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:03 lo 25.51 25.51 10.38 10.38 0.00 0.00 0.00 0.00 10:20:03 ens3 1.46 1.23 0.28 1.21 0.00 0.00 0.00 0.00 10:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:03 lo 13.27 13.27 7.70 7.70 0.00 0.00 0.00 0.00 10:30:03 ens3 1.33 0.83 0.24 0.18 0.00 0.00 0.00 0.00 10:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:03 lo 19.50 19.50 9.38 9.38 0.00 0.00 0.00 0.00 10:40:03 ens3 1.57 0.72 0.38 0.25 0.00 0.00 0.00 0.00 10:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:03 lo 27.98 27.98 9.82 9.82 0.00 0.00 0.00 0.00 10:50:03 ens3 1.12 0.49 0.29 0.19 0.00 0.00 0.00 0.00 10:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:03 lo 16.50 16.50 8.39 8.39 0.00 0.00 0.00 0.00 11:00:03 ens3 1.26 0.62 0.35 0.24 0.00 0.00 0.00 0.00 11:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:03 lo 17.76 17.76 10.46 10.46 0.00 0.00 0.00 0.00 11:10:03 ens3 1.27 0.70 0.38 0.26 0.00 0.00 0.00 0.00 11:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:03 lo 17.07 17.07 9.63 9.63 0.00 0.00 0.00 0.00 11:20:03 ens3 1.33 0.99 0.34 0.26 0.00 0.00 0.00 0.00 11:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:03 lo 21.74 21.74 8.55 8.55 0.00 0.00 0.00 0.00 11:30:03 ens3 0.89 0.60 0.21 0.16 0.00 0.00 0.00 0.00 11:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.28 21.28 10.59 10.59 0.00 0.00 0.00 0.00 Average: ens3 8.13 6.15 114.18 0.90 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-489563) 03/16/26 _x86_64_ (4 CPU) 09:47:01 LINUX RESTART (4 CPU) 09:50:03 CPU %user %nice %system %iowait %steal %idle 10:00:03 all 46.34 0.00 2.15 1.89 0.10 49.52 10:00:03 0 44.26 0.00 2.19 1.37 0.10 52.08 10:00:03 1 48.95 0.00 2.34 2.38 0.10 46.23 10:00:03 2 46.09 0.00 2.16 1.77 0.10 49.89 10:00:03 3 46.08 0.00 1.91 2.04 0.10 49.88 10:10:03 all 59.58 0.00 2.12 0.19 0.12 38.00 10:10:03 0 60.00 0.00 2.00 0.14 0.12 37.74 10:10:03 1 60.47 0.00 2.15 0.19 0.12 37.07 10:10:03 2 57.88 0.00 2.40 0.29 0.12 39.31 10:10:03 3 59.96 0.00 1.91 0.12 0.13 37.88 10:20:03 all 13.03 0.00 0.78 0.04 0.09 86.05 10:20:03 0 13.06 0.00 0.75 0.08 0.09 86.04 10:20:03 1 12.80 0.00 0.79 0.03 0.09 86.29 10:20:03 2 13.73 0.00 0.83 0.05 0.09 85.31 10:20:03 3 12.55 0.00 0.77 0.01 0.09 86.59 10:30:03 all 29.28 0.00 0.94 0.08 0.09 69.61 10:30:03 0 29.88 0.00 1.00 0.06 0.09 68.98 10:30:03 1 29.03 0.00 0.96 0.08 0.09 69.85 10:30:03 2 29.51 0.00 0.90 0.09 0.09 69.41 10:30:03 3 28.72 0.00 0.90 0.09 0.09 70.20 10:40:03 all 13.49 0.00 0.46 0.41 0.08 85.55 10:40:03 0 13.50 0.00 0.43 0.02 0.08 85.98 10:40:03 1 14.18 0.00 0.62 1.40 0.09 83.72 10:40:03 2 13.08 0.00 0.41 0.20 0.08 86.23 10:40:03 3 13.22 0.00 0.39 0.04 0.07 86.28 10:50:03 all 8.20 0.00 0.42 0.02 0.07 91.28 10:50:03 0 7.81 0.00 0.47 0.00 0.07 91.65 10:50:03 1 7.91 0.00 0.42 0.02 0.08 91.57 10:50:03 2 8.68 0.00 0.42 0.04 0.07 90.77 10:50:03 3 8.38 0.00 0.38 0.03 0.07 91.13 11:00:03 all 9.17 0.00 0.37 1.17 0.09 89.19 11:00:03 0 8.74 0.00 0.37 0.01 0.09 90.80 11:00:03 1 9.72 0.00 0.40 1.28 0.10 88.50 11:00:03 2 9.15 0.00 0.37 1.79 0.09 88.59 11:00:03 3 9.09 0.00 0.33 1.62 0.09 88.87 11:10:03 all 9.93 0.11 0.54 3.21 0.10 86.11 11:10:03 0 9.92 0.01 0.49 0.57 0.07 88.94 11:10:03 1 9.62 0.13 0.52 5.16 0.09 84.47 11:10:03 2 10.37 0.04 0.60 3.74 0.11 85.15 11:10:03 3 9.82 0.25 0.56 3.38 0.11 85.88 11:20:03 all 19.89 0.00 0.78 1.23 0.15 77.95 11:20:03 0 19.92 0.00 0.67 0.59 0.22 78.61 11:20:03 1 19.41 0.00 0.84 1.41 0.12 78.22 11:20:03 2 20.09 0.00 0.74 1.73 0.14 77.30 11:20:03 3 20.15 0.00 0.87 1.19 0.12 77.68 11:30:03 all 9.49 0.00 0.45 0.82 0.07 89.18 11:30:03 0 9.96 0.00 0.45 0.53 0.06 89.01 11:30:03 1 9.14 0.00 0.44 0.11 0.06 90.24 11:30:03 2 9.70 0.00 0.48 1.53 0.08 88.22 11:30:03 3 9.14 0.00 0.42 1.11 0.07 89.25 Average: all 21.82 0.01 0.90 0.91 0.09 76.26 Average: 0 21.68 0.00 0.88 0.34 0.10 77.01 Average: 1 22.10 0.01 0.95 1.20 0.09 75.64 Average: 2 21.80 0.00 0.93 1.12 0.10 76.04 Average: 3 21.70 0.03 0.84 0.96 0.09 76.37