---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-1003 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 711 10465 4 4812 14935 Swap: 1023 13 1010 ---> 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:f7:67:e8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.165/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78126sec preferred_lft 78126sec inet6 fe80::f816:3eff:fef7:67e8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 66:9f:89:b9:6b:1a 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::649f:89ff:feb9:6b1a/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-1003) 04/07/26 _x86_64_ (4 CPU) 14:32:04 LINUX RESTART (4 CPU) 14:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:01 1.29 0.00 1.28 0.00 0.04 15.32 0.56 15:00:17 124.96 9.54 111.62 3.80 871.51 34301.52 11720.71 15:10:01 78.52 23.62 51.95 2.94 333.85 5536.43 3284.54 15:20:01 14.82 0.19 13.92 0.71 4.73 390.33 384.04 15:30:11 22.89 0.05 7.59 15.25 1.48 286.99 207147.56 15:40:01 14.47 0.16 13.71 0.60 1.84 694.48 490.15 15:50:01 15.20 0.08 14.40 0.72 1.40 456.87 228.37 16:00:11 5.03 0.05 4.81 0.17 0.77 135.38 50.16 16:10:01 5.02 0.01 4.83 0.18 1.09 145.72 96.12 16:20:01 2.56 0.03 2.52 0.01 1.52 38.89 0.57 16:30:11 5.37 0.00 5.19 0.18 0.35 151.43 89.65 16:40:01 12.61 0.05 11.98 0.59 4.25 704.09 324.53 Average: 25.33 2.78 20.43 2.12 103.08 3633.07 18945.85 14:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:01 13677352 15521504 494476 3.02 57516 2012548 1136172 6.52 226152 2212176 168 15:00:17 3719396 14348572 1576756 9.63 240048 10179312 2328120 13.36 1999432 9905724 124 15:10:01 159788 3787724 12141412 74.15 272168 3315008 13415788 77.01 2289364 13309792 344 15:20:01 3486516 7129372 8802060 53.76 273980 3328152 9537444 54.74 2302768 9963996 436 15:30:11 6033832 9704688 6228944 38.04 275280 3354900 6958020 39.94 2314280 7438660 440 15:40:01 10312412 14114500 1821584 11.13 280076 3478272 2909108 16.70 2352356 3131736 880 15:50:01 7475128 11341720 4593236 28.05 282488 3540204 5383016 30.90 2357528 5955616 284 16:00:11 7455912 11339952 4594772 28.06 282824 3557300 5334564 30.62 2358616 5960628 120 16:10:01 6122620 10026772 5907376 36.08 283316 3576856 6730856 38.64 2360444 7301712 392 16:20:01 5961988 9868488 6065412 37.05 283632 3578896 6832996 39.22 2361308 7458792 264 16:30:11 5952524 9880232 6053676 36.97 284172 3599512 6816656 39.13 2364500 7463952 64 16:40:01 7304412 11386420 4547784 27.78 288856 3742756 5250792 30.14 2381500 6089292 280 Average: 6471823 10704162 5235624 31.98 258696 3938643 6052794 34.74 2139021 7182673 316 14:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 14:50:01 ens3 0.29 0.08 0.05 0.02 0.00 0.00 0.00 0.00 14:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:17 lo 2.08 2.08 1.83 1.83 0.00 0.00 0.00 0.00 15:00:17 ens3 145.99 112.71 1958.85 15.70 0.00 0.00 0.00 0.00 15:00:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:01 lo 31.07 31.07 21.83 21.83 0.00 0.00 0.00 0.00 15:10:01 ens3 2.06 1.98 0.62 0.54 0.00 0.00 0.00 0.00 15:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:01 lo 37.94 37.94 15.00 15.00 0.00 0.00 0.00 0.00 15:20:01 ens3 1.24 1.20 0.26 0.22 0.00 0.00 0.00 0.00 15:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:11 lo 17.03 17.03 8.21 8.21 0.00 0.00 0.00 0.00 15:30:11 ens3 0.51 0.41 0.09 0.07 0.00 0.00 0.00 0.00 15:30:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:40:01 lo 8.93 8.93 4.47 4.47 0.00 0.00 0.00 0.00 15:40:01 ens3 0.92 0.82 0.53 0.20 0.00 0.00 0.00 0.00 15:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:01 lo 19.57 19.57 10.02 10.02 0.00 0.00 0.00 0.00 15:50:01 ens3 0.94 0.79 0.22 0.17 0.00 0.00 0.00 0.00 15:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:00:11 lo 20.98 20.98 8.77 8.77 0.00 0.00 0.00 0.00 16:00:11 ens3 3.51 0.71 0.68 0.29 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 16:10:01 lo 19.29 19.29 8.06 8.06 0.00 0.00 0.00 0.00 16:10:01 ens3 1.35 0.29 0.14 0.06 0.00 0.00 0.00 0.00 16:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:20:01 lo 11.85 11.85 5.08 5.08 0.00 0.00 0.00 0.00 16:20:01 ens3 0.79 0.33 1.96 0.09 0.00 0.00 0.00 0.00 16:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:30:11 lo 14.11 14.11 8.87 8.87 0.00 0.00 0.00 0.00 16:30:11 ens3 0.73 0.45 0.13 0.09 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 16:40:01 lo 19.13 19.13 10.50 10.50 0.00 0.00 0.00 0.00 16:40:01 ens3 1.16 0.84 0.44 0.23 0.00 0.00 0.00 0.00 16:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 16.78 16.78 8.51 8.51 0.00 0.00 0.00 0.00 Average: ens3 13.61 10.29 167.94 1.51 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-1003) 04/07/26 _x86_64_ (4 CPU) 14:32:04 LINUX RESTART (4 CPU) 14:40:01 CPU %user %nice %system %iowait %steal %idle 14:50:01 all 0.18 0.00 0.03 0.01 0.01 99.76 14:50:01 0 0.02 0.00 0.02 0.00 0.01 99.95 14:50:01 1 0.26 0.00 0.04 0.03 0.02 99.66 14:50:01 2 0.02 0.00 0.03 0.00 0.01 99.94 14:50:01 3 0.44 0.00 0.05 0.00 0.02 99.49 15:00:17 all 32.59 0.00 1.94 0.52 0.07 64.88 15:00:17 0 35.33 0.00 1.89 0.36 0.06 62.35 15:00:17 1 28.64 0.00 1.79 0.51 0.07 69.00 15:00:17 2 32.28 0.00 2.17 0.83 0.06 64.66 15:00:17 3 34.11 0.00 1.94 0.36 0.07 63.52 15:10:01 all 59.29 0.00 2.18 0.23 0.10 38.20 15:10:01 0 59.02 0.00 2.12 0.34 0.10 38.42 15:10:01 1 58.68 0.00 2.26 0.21 0.10 38.74 15:10:01 2 59.90 0.00 2.10 0.14 0.10 37.76 15:10:01 3 59.55 0.00 2.23 0.24 0.10 37.88 15:20:01 all 30.18 0.00 1.14 0.07 0.09 68.51 15:20:01 0 30.27 0.00 1.14 0.19 0.09 68.31 15:20:01 1 28.79 0.00 1.15 0.04 0.10 69.92 15:20:01 2 30.21 0.00 1.04 0.02 0.09 68.64 15:20:01 3 31.44 0.00 1.24 0.05 0.09 67.19 15:30:11 all 17.23 0.00 0.79 0.03 0.08 81.88 15:30:11 0 16.43 0.00 0.75 0.07 0.07 82.68 15:30:11 1 17.67 0.00 0.74 0.03 0.08 81.48 15:30:11 2 17.32 0.00 0.87 0.01 0.08 81.72 15:30:11 3 17.48 0.00 0.79 0.02 0.08 81.64 15:40:01 all 20.89 0.00 0.81 0.04 0.07 78.19 15:40:01 0 20.30 0.00 0.77 0.02 0.07 78.84 15:40:01 1 20.63 0.00 0.87 0.04 0.07 78.40 15:40:01 2 20.77 0.00 0.77 0.02 0.08 78.35 15:40:01 3 21.86 0.00 0.82 0.08 0.06 77.17 15:50:01 all 25.38 0.00 0.81 0.05 0.08 73.69 15:50:01 0 25.06 0.00 0.80 0.07 0.08 73.99 15:50:01 1 26.10 0.00 0.87 0.06 0.07 72.90 15:50:01 2 24.43 0.00 0.88 0.04 0.08 74.57 15:50:01 3 25.91 0.00 0.71 0.03 0.07 73.28 16:00:11 all 8.57 0.00 0.39 0.03 0.08 90.94 16:00:11 0 8.31 0.00 0.41 0.01 0.07 91.19 16:00:11 1 8.46 0.00 0.43 0.07 0.08 90.97 16:00:11 2 8.53 0.00 0.32 0.02 0.08 91.05 16:00:11 3 8.98 0.00 0.38 0.02 0.07 90.55 16:10:01 all 10.21 0.00 0.54 0.02 0.08 89.15 16:10:01 0 10.09 0.00 0.60 0.03 0.07 89.21 16:10:01 1 10.27 0.00 0.59 0.01 0.08 89.05 16:10:01 2 10.48 0.00 0.52 0.02 0.08 88.90 16:10:01 3 10.00 0.00 0.44 0.02 0.07 89.46 16:20:01 all 2.33 0.00 0.31 0.01 0.07 97.28 16:20:01 0 2.24 0.00 0.28 0.01 0.07 97.40 16:20:01 1 2.33 0.00 0.33 0.01 0.08 97.26 16:20:01 2 2.72 0.00 0.33 0.03 0.08 96.85 16:20:01 3 2.03 0.00 0.28 0.02 0.07 97.61 16:30:11 all 10.11 0.00 0.54 0.02 0.08 89.25 16:30:11 0 9.89 0.00 0.60 0.03 0.08 89.40 16:30:11 1 10.18 0.00 0.59 0.02 0.08 89.12 16:30:11 2 9.99 0.00 0.58 0.02 0.08 89.33 16:30:11 3 10.36 0.00 0.39 0.02 0.08 89.15 16:30:11 CPU %user %nice %system %iowait %steal %idle 16:40:01 all 19.63 0.00 0.70 0.05 0.08 79.55 16:40:01 0 20.01 0.00 0.71 0.05 0.08 79.15 16:40:01 1 19.60 0.00 0.74 0.07 0.08 79.50 16:40:01 2 19.86 0.00 0.73 0.03 0.08 79.29 16:40:01 3 19.04 0.00 0.61 0.03 0.08 80.25 Average: all 19.63 0.00 0.85 0.09 0.07 79.36 Average: 0 19.67 0.00 0.84 0.10 0.07 79.32 Average: 1 19.21 0.00 0.86 0.09 0.08 79.76 Average: 2 19.62 0.00 0.86 0.10 0.07 79.35 Average: 3 20.02 0.00 0.82 0.07 0.07 79.02