---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-3040 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 698 11483 3 3806 14948 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:b0:16:3b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.101/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79505sec preferred_lft 79505sec inet6 fe80::f816:3eff:feb0:163b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:46:0c:96:35:14 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::46:cff:fe96:3514/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-3040) 04/15/26 _x86_64_ (4 CPU) 14:55:10 LINUX RESTART (4 CPU) 15:00:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:10:07 101.36 23.24 74.48 3.64 369.12 22520.50 12837.44 15:20:11 39.76 5.68 18.05 16.03 110.65 448.35 209567.00 15:30:03 10.25 0.13 9.60 0.52 8.92 293.47 1447.43 15:40:11 11.44 0.05 10.82 0.57 1.45 592.90 979.33 15:50:11 16.98 0.02 16.20 0.77 0.64 536.08 550.39 16:00:11 7.60 0.01 7.39 0.21 0.47 171.59 224.30 16:10:11 5.82 0.01 5.50 0.31 1.05 209.10 67.65 16:20:11 4.92 0.01 4.74 0.17 1.12 150.66 89.74 16:30:11 3.64 0.00 3.64 0.01 0.00 50.72 0.04 16:40:11 11.38 0.01 10.80 0.57 0.71 662.91 159.85 Average: 21.28 2.90 16.09 2.29 49.24 2549.84 22718.54 15:00:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:10:07 843436 4960536 10968856 66.99 262948 3789340 11885708 68.22 2193436 12704400 1028 15:20:11 3735436 6345284 9593124 58.59 265692 2396988 11031060 63.32 2010536 10122080 628 15:30:03 7995976 10629448 5309116 32.43 266948 2419360 6114888 35.10 2023540 5862036 6188 15:40:11 9734552 12481100 3461088 21.14 271452 2528016 4853820 27.86 2060324 4096976 10012 15:50:11 8782876 11599440 4342040 26.52 274084 2595432 5138324 29.49 2067200 5027636 276 16:00:11 11750068 14595756 1347772 8.23 274652 2623988 2123572 12.19 2068720 2083292 14196 16:10:11 7151824 10019320 5921348 36.17 275560 2644888 6716564 38.55 2071164 6642168 224 16:20:11 7123744 10013316 5927336 36.20 276236 2666288 6725636 38.61 2074776 6679584 68 16:30:11 6928948 9819920 6120552 37.38 276580 2667348 6886972 39.53 2075120 6874284 56 16:40:11 8330296 11363576 4578108 27.96 281088 2804544 5256328 30.17 2091900 5461988 188 Average: 7237716 10182770 5756934 35.16 272524 2713619 6673287 38.30 2073672 6555444 3286 15:00:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:10:07 lo 15.76 15.76 14.86 14.86 0.00 0.00 0.00 0.00 15:10:07 ens3 35.41 25.96 648.97 3.03 0.00 0.00 0.00 0.00 15:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:11 lo 35.09 35.09 15.75 15.75 0.00 0.00 0.00 0.00 15:20:11 ens3 1.49 1.30 0.30 0.26 0.00 0.00 0.00 0.00 15:20:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:03 lo 28.56 28.56 11.65 11.65 0.00 0.00 0.00 0.00 15:30:03 ens3 0.87 0.69 0.20 0.15 0.00 0.00 0.00 0.00 15:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:40:11 lo 12.40 12.40 6.41 6.41 0.00 0.00 0.00 0.00 15:40:11 ens3 1.23 1.33 0.25 1.34 0.00 0.00 0.00 0.00 15:40:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:11 lo 15.70 15.70 8.47 8.47 0.00 0.00 0.00 0.00 15:50:11 ens3 0.91 0.81 0.20 0.17 0.00 0.00 0.00 0.00 15:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:00:11 lo 17.88 17.88 8.66 8.66 0.00 0.00 0.00 0.00 16:00:11 ens3 0.85 0.61 0.24 0.18 0.00 0.00 0.00 0.00 16:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:11 lo 29.63 29.63 11.80 11.80 0.00 0.00 0.00 0.00 16:10:11 ens3 0.57 0.51 0.11 0.09 0.00 0.00 0.00 0.00 16:10:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:20:11 lo 19.48 19.48 10.32 10.32 0.00 0.00 0.00 0.00 16:20:11 ens3 0.72 0.57 0.17 0.13 0.00 0.00 0.00 0.00 16:20:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:30:11 lo 10.15 10.15 5.30 5.30 0.00 0.00 0.00 0.00 16:30:11 ens3 0.37 0.26 0.08 0.05 0.00 0.00 0.00 0.00 16:30:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:40:11 lo 15.72 15.72 8.97 8.97 0.00 0.00 0.00 0.00 16:40:11 ens3 0.96 0.80 0.27 0.22 0.00 0.00 0.00 0.00 16:40:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.03 20.03 10.21 10.21 0.00 0.00 0.00 0.00 Average: ens3 4.32 3.27 64.66 0.56 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-3040) 04/15/26 _x86_64_ (4 CPU) 14:55:10 LINUX RESTART (4 CPU) 15:00:11 CPU %user %nice %system %iowait %steal %idle 15:10:07 all 50.98 0.00 2.13 0.94 0.12 45.83 15:10:07 0 49.37 0.00 2.14 1.18 0.11 47.19 15:10:07 1 49.83 0.00 2.06 0.73 0.11 47.28 15:10:07 2 54.05 0.00 2.32 1.11 0.12 42.40 15:10:07 3 50.67 0.00 1.99 0.75 0.11 46.47 15:20:11 all 38.82 0.00 1.52 0.14 0.14 59.38 15:20:11 0 38.89 0.00 1.56 0.12 0.14 59.29 15:20:11 1 38.34 0.00 1.51 0.11 0.14 59.89 15:20:11 2 39.52 0.00 1.56 0.11 0.14 58.66 15:20:11 3 38.53 0.00 1.46 0.20 0.15 59.67 15:30:03 all 19.35 0.00 1.02 0.04 0.13 79.46 15:30:03 0 19.54 0.00 0.97 0.08 0.12 79.28 15:30:03 1 18.71 0.00 1.04 0.02 0.13 80.11 15:30:03 2 20.10 0.00 1.06 0.06 0.13 78.65 15:30:03 3 19.04 0.00 1.01 0.02 0.13 79.81 15:40:11 all 19.75 0.00 0.78 0.05 0.11 79.30 15:40:11 0 19.73 0.00 0.82 0.02 0.10 79.31 15:40:11 1 19.89 0.00 0.71 0.04 0.12 79.24 15:40:11 2 20.07 0.00 0.85 0.13 0.10 78.84 15:40:11 3 19.33 0.00 0.73 0.01 0.11 79.83 15:50:11 all 26.43 0.00 0.84 0.06 0.10 72.57 15:50:11 0 26.45 0.00 0.76 0.03 0.10 72.67 15:50:11 1 26.15 0.00 0.92 0.04 0.10 72.79 15:50:11 2 26.01 0.00 0.91 0.11 0.11 72.86 15:50:11 3 27.11 0.00 0.79 0.04 0.10 71.95 16:00:11 all 9.93 0.00 0.46 0.02 0.10 89.49 16:00:11 0 10.09 0.00 0.50 0.02 0.09 89.29 16:00:11 1 10.02 0.00 0.45 0.01 0.10 89.43 16:00:11 2 9.98 0.00 0.50 0.02 0.10 89.40 16:00:11 3 9.62 0.00 0.41 0.05 0.10 89.83 16:10:11 all 14.08 0.00 0.63 0.02 0.10 85.17 16:10:11 0 14.14 0.00 0.60 0.02 0.10 85.14 16:10:11 1 14.23 0.00 0.73 0.01 0.10 84.93 16:10:11 2 14.42 0.00 0.62 0.03 0.10 84.83 16:10:11 3 13.51 0.00 0.57 0.04 0.10 85.78 16:20:11 all 10.29 0.00 0.51 0.02 0.10 89.09 16:20:11 0 10.54 0.00 0.50 0.03 0.09 88.84 16:20:11 1 10.69 0.00 0.45 0.01 0.10 88.76 16:20:11 2 9.85 0.00 0.58 0.01 0.10 89.46 16:20:11 3 10.06 0.00 0.49 0.04 0.10 89.31 16:30:11 all 1.62 0.00 0.35 0.01 0.09 97.93 16:30:11 0 1.54 0.00 0.37 0.02 0.10 97.97 16:30:11 1 1.73 0.00 0.34 0.02 0.09 97.83 16:30:11 2 1.64 0.00 0.40 0.02 0.10 97.84 16:30:11 3 1.58 0.00 0.28 0.00 0.08 98.06 16:40:11 all 19.25 0.00 0.75 0.05 0.11 79.85 16:40:11 0 19.39 0.00 0.73 0.06 0.10 79.72 16:40:11 1 19.64 0.00 0.74 0.03 0.11 79.49 16:40:11 2 18.80 0.00 0.80 0.09 0.11 80.20 16:40:11 3 19.19 0.00 0.72 0.02 0.10 79.97 Average: all 21.02 0.00 0.90 0.14 0.11 77.83 Average: 0 20.95 0.00 0.89 0.16 0.11 77.89 Average: 1 20.89 0.00 0.89 0.10 0.11 78.00 Average: 2 21.41 0.00 0.96 0.17 0.11 77.35 Average: 3 20.84 0.00 0.84 0.12 0.11 78.09