---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-58133 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 701 11261 4 4026 14945 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:ff:5b:98 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.98/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79579sec preferred_lft 79579sec inet6 fe80::f816:3eff:feff:5b98/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:94:78:0a:c2:bb 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::dc94:78ff:fe0a:c2bb/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-58133) 03/31/26 _x86_64_ (4 CPU) 11:04:20 LINUX RESTART (4 CPU) 11:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:20:01 105.14 21.63 79.95 3.56 332.14 28461.49 9831.48 11:30:01 29.67 4.65 23.90 1.12 85.89 1159.94 742.00 11:40:01 23.98 0.36 7.80 15.81 17.32 264.95 211767.33 11:50:01 11.47 0.09 10.81 0.56 5.12 565.01 1371.14 12:00:01 18.74 0.02 17.92 0.81 0.72 606.49 355.17 12:10:01 5.03 0.00 4.87 0.16 0.27 129.64 72.27 12:20:01 7.34 0.01 7.01 0.32 1.23 237.91 146.23 12:30:01 4.34 0.02 4.21 0.11 1.33 138.67 57.25 12:40:01 5.19 0.01 4.99 0.19 0.75 90.67 45.27 12:50:01 11.97 0.93 10.43 0.61 246.07 906.23 426.31 Average: 22.29 2.77 17.19 2.33 69.08 3256.14 22481.10 11:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:20:01 657260 4902648 11025496 67.34 270640 3890792 11904260 68.33 2106776 12949900 182920 11:30:01 4619492 7295244 8642280 52.78 269988 2453076 9484868 54.44 2081548 9154096 292 11:40:01 8527144 11234052 4706812 28.75 271228 2482800 5483388 31.47 2101220 5246932 356 11:50:01 10347068 13158876 2783196 17.00 275708 2583204 3650964 20.96 2128832 3413048 10332 12:00:01 8896172 11789416 4152116 25.36 278224 2662124 5073464 29.12 2144464 4838324 136 12:10:01 8391296 11300124 4640968 28.35 278860 2677096 5377020 30.86 2145640 5329156 168 12:20:01 7140900 10085432 5854932 35.76 279656 2711996 6700824 38.46 2148580 6576360 136 12:30:01 9229044 12194916 3746788 22.88 280020 2732972 4936144 28.33 2151972 4500556 68 12:40:01 9921944 12911320 3030752 18.51 280636 2755860 4210532 24.17 2154376 3808676 20832 12:50:01 8021104 11277280 4663064 28.48 286952 3015096 5289060 30.36 2239220 5597216 292 Average: 7575142 10614931 5324640 32.52 277191 2796502 6211052 35.65 2140263 6141426 21553 11:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:20:01 lo 13.73 13.73 13.90 13.90 0.00 0.00 0.00 0.00 11:20:01 ens3 40.11 27.56 644.82 3.11 0.00 0.00 0.00 0.00 11:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:01 lo 35.32 35.32 15.91 15.91 0.00 0.00 0.00 0.00 11:30:01 ens3 1.62 1.52 0.32 0.28 0.00 0.00 0.00 0.00 11:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:01 lo 30.03 30.03 12.30 12.30 0.00 0.00 0.00 0.00 11:40:01 ens3 1.64 1.23 0.29 1.16 0.00 0.00 0.00 0.00 11:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:01 lo 11.50 11.50 6.11 6.11 0.00 0.00 0.00 0.00 11:50:01 ens3 0.91 0.56 0.25 0.18 0.00 0.00 0.00 0.00 11:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:01 lo 12.78 12.78 7.20 7.20 0.00 0.00 0.00 0.00 12:00:01 ens3 1.11 0.80 0.26 0.20 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 12:10:01 lo 20.12 20.12 9.65 9.65 0.00 0.00 0.00 0.00 12:10:01 ens3 1.28 0.65 0.29 0.20 0.00 0.00 0.00 0.00 12:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:01 lo 28.68 28.68 11.17 11.17 0.00 0.00 0.00 0.00 12:20:01 ens3 0.80 0.56 0.18 0.13 0.00 0.00 0.00 0.00 12:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:01 lo 14.74 14.74 6.36 6.36 0.00 0.00 0.00 0.00 12:30:01 ens3 0.73 0.44 0.17 0.12 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 12:40:01 lo 17.84 17.84 10.49 10.49 0.00 0.00 0.00 0.00 12:40:01 ens3 1.51 0.64 0.35 0.21 0.00 0.00 0.00 0.00 12:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:01 lo 19.23 19.23 10.50 10.50 0.00 0.00 0.00 0.00 12:50:01 ens3 4.33 2.28 59.35 0.34 0.00 0.00 0.00 0.00 12:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.40 20.40 10.36 10.36 0.00 0.00 0.00 0.00 Average: ens3 5.40 3.62 70.63 0.59 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-58133) 03/31/26 _x86_64_ (4 CPU) 11:04:20 LINUX RESTART (4 CPU) 11:10:01 CPU %user %nice %system %iowait %steal %idle 11:20:01 all 52.22 0.00 2.31 0.86 0.11 44.50 11:20:01 0 54.13 0.00 2.31 0.61 0.11 42.84 11:20:01 1 52.70 0.00 2.20 0.58 0.11 44.41 11:20:01 2 51.60 0.00 2.48 1.28 0.11 44.53 11:20:01 3 50.45 0.00 2.26 0.97 0.10 46.21 11:30:01 all 47.19 0.00 1.71 0.12 0.11 50.87 11:30:01 0 47.71 0.00 1.67 0.07 0.11 50.43 11:30:01 1 46.73 0.00 1.80 0.16 0.11 51.19 11:30:01 2 47.26 0.00 1.70 0.15 0.11 50.77 11:30:01 3 47.06 0.00 1.66 0.09 0.11 51.07 11:40:01 all 17.51 0.00 0.74 0.08 0.09 81.58 11:40:01 0 17.37 0.00 0.70 0.03 0.09 81.80 11:40:01 1 17.08 0.00 0.77 0.08 0.10 81.98 11:40:01 2 17.76 0.00 0.81 0.16 0.09 81.19 11:40:01 3 17.81 0.00 0.67 0.07 0.09 81.37 11:50:01 all 18.09 0.00 0.72 0.05 0.09 81.05 11:50:01 0 18.06 0.00 0.82 0.05 0.09 80.99 11:50:01 1 18.52 0.00 0.66 0.07 0.10 80.66 11:50:01 2 18.90 0.00 0.78 0.04 0.09 80.20 11:50:01 3 16.90 0.00 0.62 0.04 0.09 82.35 12:00:01 all 28.88 0.00 0.94 0.12 0.09 69.96 12:00:01 0 29.49 0.00 0.95 0.18 0.09 69.30 12:00:01 1 29.17 0.00 0.90 0.09 0.09 69.76 12:00:01 2 28.19 0.00 0.95 0.07 0.10 70.70 12:00:01 3 28.69 0.00 0.98 0.15 0.09 70.09 12:10:01 all 10.17 0.00 0.49 0.15 0.07 89.12 12:10:01 0 10.27 0.00 0.51 0.24 0.07 88.92 12:10:01 1 10.34 0.00 0.50 0.25 0.07 88.85 12:10:01 2 10.40 0.00 0.51 0.03 0.07 88.98 12:10:01 3 9.66 0.00 0.46 0.10 0.07 89.72 12:20:01 all 15.73 0.00 0.59 0.07 0.07 83.54 12:20:01 0 15.64 0.00 0.49 0.04 0.07 83.76 12:20:01 1 16.22 0.00 0.65 0.14 0.08 82.91 12:20:01 2 15.30 0.00 0.64 0.04 0.07 83.95 12:20:01 3 15.75 0.00 0.59 0.07 0.07 83.52 12:30:01 all 7.03 0.00 0.40 0.03 0.08 92.47 12:30:01 0 7.22 0.00 0.32 0.01 0.07 92.38 12:30:01 1 7.26 0.00 0.41 0.05 0.08 92.20 12:30:01 2 6.68 0.00 0.43 0.03 0.08 92.79 12:30:01 3 6.97 0.00 0.42 0.03 0.08 92.50 12:40:01 all 9.88 0.00 0.53 0.02 0.07 89.49 12:40:01 0 9.93 0.00 0.43 0.02 0.06 89.56 12:40:01 1 9.93 0.00 0.58 0.05 0.08 89.37 12:40:01 2 9.73 0.00 0.61 0.01 0.07 89.58 12:40:01 3 9.94 0.00 0.53 0.01 0.07 89.45 12:50:01 all 17.14 0.00 0.65 0.15 0.08 81.98 12:50:01 0 16.89 0.00 0.71 0.24 0.08 82.07 12:50:01 1 17.51 0.00 0.68 0.23 0.08 81.51 12:50:01 2 16.62 0.00 0.59 0.07 0.08 82.65 12:50:01 3 17.54 0.00 0.61 0.08 0.07 81.71 Average: all 22.37 0.00 0.91 0.17 0.09 76.47 Average: 0 22.65 0.00 0.89 0.15 0.08 76.22 Average: 1 22.53 0.00 0.91 0.17 0.09 76.30 Average: 2 22.22 0.00 0.95 0.19 0.09 76.56 Average: 3 22.06 0.00 0.88 0.16 0.08 76.82