---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-25878 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 584 12606 3 2798 15062 Swap: 1023 115 908 ---> 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:4b:80:50 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.224/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79820sec preferred_lft 79820sec inet6 fe80::f816:3eff:fe4b:8050/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:2a:32:51:8b:4f 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::182a:32ff:fe51:8b4f/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-25878) 06/08/26 _x86_64_ (4 CPU) 13:52:10 LINUX RESTART (4 CPU) 14:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:10:15 84.32 23.80 57.45 3.08 1085.71 5848.07 3191.73 14:20:15 23.82 8.29 14.64 0.89 124.57 428.72 1061.87 14:30:01 26.79 0.81 9.80 16.17 27.48 557.85 215989.01 14:40:12 19.61 0.75 18.01 0.86 16.82 588.62 726.43 14:50:17 7.86 0.26 7.28 0.33 5.71 218.77 350.18 15:00:00 5.46 0.17 5.10 0.20 4.66 144.43 84.56 15:10:01 5.32 0.29 4.85 0.18 7.81 147.51 77.29 15:20:01 7.73 0.26 7.28 0.19 8.22 181.78 119.31 15:30:01 13.09 0.76 11.78 0.54 25.25 721.25 247.70 15:40:20 6.15 0.50 5.50 0.15 11.19 186.65 255.02 Average: 20.13 3.63 14.27 2.22 133.78 912.88 21624.59 14:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:10:15 4734852 6179920 9764872 59.64 203116 1408944 11059524 63.48 932012 10322788 1420 14:20:15 5915208 7394992 8550944 52.23 205588 1440904 9450524 54.25 982708 9093352 280 14:30:01 10726968 12324748 3625436 22.14 212460 1547032 4588916 26.34 1027872 4257588 1316 14:40:12 13763364 15459536 492000 3.00 216200 1641592 1385100 7.95 1059292 1167376 12852 14:50:17 9687408 11401384 4548152 27.78 217360 1658228 5433160 31.19 1062864 5258396 428 15:00:00 9813804 11546604 4402884 26.89 217924 1676464 5321136 30.54 1065472 5130064 236 15:10:01 8262080 10016312 5932476 36.23 218636 1697148 6888076 39.54 1069856 6664552 460 15:20:01 8261772 10039464 5909248 36.09 219476 1719732 6826468 39.18 1075760 6660084 300 15:30:01 9890340 11832516 4117476 25.15 224168 1873408 5204324 29.87 1096756 5017684 592 15:40:20 8669388 10642188 5306584 32.41 224772 1903356 6062500 34.80 1111328 6188144 244 Average: 8972518 10683766 5265007 32.16 215970 1656681 6221973 35.71 1048392 5976003 1813 14:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:10:15 lo 29.27 29.27 22.60 22.60 0.00 0.00 0.00 0.00 14:10:15 ens3 2.44 2.17 1.11 0.54 0.00 0.00 0.00 0.00 14:10:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:15 lo 49.42 49.42 20.32 20.32 0.00 0.00 0.00 0.00 14:20:15 ens3 1.98 1.86 0.34 1.15 0.00 0.00 0.00 0.00 14:20:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:01 lo 15.22 15.22 7.49 7.49 0.00 0.00 0.00 0.00 14:30:01 ens3 0.63 0.53 0.18 0.14 0.00 0.00 0.00 0.00 14:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:12 lo 12.93 12.93 7.17 7.17 0.00 0.00 0.00 0.00 14:40:12 ens3 1.03 0.90 0.24 0.20 0.00 0.00 0.00 0.00 14:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:17 lo 19.63 19.63 9.29 9.29 0.00 0.00 0.00 0.00 14:50:17 ens3 0.69 0.62 0.14 0.12 0.00 0.00 0.00 0.00 14:50:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:00 lo 18.70 18.70 6.60 6.60 0.00 0.00 0.00 0.00 15:00:00 ens3 0.60 0.47 0.16 0.12 0.00 0.00 0.00 0.00 15:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:01 lo 18.40 18.40 8.44 8.44 0.00 0.00 0.00 0.00 15:10:01 ens3 0.53 0.38 0.11 0.07 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 18.08 18.08 10.02 10.02 0.00 0.00 0.00 0.00 15:20:01 ens3 0.64 0.52 0.14 0.11 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 15:30:01 lo 17.63 17.63 9.92 9.92 0.00 0.00 0.00 0.00 15:30:01 ens3 0.97 0.79 0.27 0.21 0.00 0.00 0.00 0.00 15:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:40:20 lo 31.72 31.72 13.06 13.06 0.00 0.00 0.00 0.00 15:40:20 ens3 0.85 0.67 0.19 0.15 0.00 0.00 0.00 0.00 15:40:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 23.15 23.15 11.53 11.53 0.00 0.00 0.00 0.00 Average: ens3 1.04 0.90 0.29 0.28 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-25878) 06/08/26 _x86_64_ (4 CPU) 13:52:10 LINUX RESTART (4 CPU) 14:00:01 CPU %user %nice %system %iowait %steal %idle 14:10:15 all 67.08 0.00 2.41 0.21 0.11 30.18 14:10:15 0 67.71 0.00 2.44 0.26 0.12 29.48 14:10:15 1 67.27 0.00 2.17 0.28 0.11 30.16 14:10:15 2 65.38 0.00 2.64 0.18 0.11 31.69 14:10:15 3 67.97 0.00 2.39 0.14 0.11 29.38 14:20:15 all 34.07 0.00 1.34 0.08 0.10 64.41 14:20:15 0 33.55 0.00 1.26 0.06 0.10 65.03 14:20:15 1 34.19 0.00 1.33 0.09 0.10 64.29 14:20:15 2 33.90 0.00 1.45 0.06 0.10 64.49 14:20:15 3 34.66 0.00 1.30 0.09 0.10 63.85 14:30:01 all 16.23 0.00 0.68 0.05 0.08 82.97 14:30:01 0 17.46 0.00 0.69 0.06 0.08 81.72 14:30:01 1 15.69 0.00 0.62 0.06 0.08 83.55 14:30:01 2 15.25 0.00 0.75 0.05 0.08 83.87 14:30:01 3 16.50 0.00 0.64 0.02 0.08 82.75 14:40:12 all 28.35 0.00 0.90 0.07 0.08 70.59 14:40:12 0 28.94 0.00 0.85 0.02 0.08 70.11 14:40:12 1 28.37 0.00 1.05 0.10 0.09 70.39 14:40:12 2 28.36 0.00 0.92 0.04 0.09 70.59 14:40:12 3 27.73 0.00 0.78 0.12 0.08 71.28 14:50:17 all 14.08 0.00 0.55 0.03 0.07 85.27 14:50:17 0 13.50 0.00 0.59 0.06 0.07 85.79 14:50:17 1 14.04 0.00 0.55 0.01 0.07 85.33 14:50:17 2 14.69 0.00 0.53 0.03 0.07 84.68 14:50:17 3 14.09 0.00 0.53 0.03 0.07 85.28 15:00:00 all 7.95 0.00 0.37 0.09 0.06 91.52 15:00:00 0 8.04 0.00 0.41 0.08 0.06 91.40 15:00:00 1 8.23 0.00 0.38 0.19 0.07 91.13 15:00:00 2 8.03 0.00 0.35 0.01 0.07 91.55 15:00:00 3 7.48 0.00 0.36 0.09 0.06 92.01 15:10:01 all 9.80 0.00 0.38 0.02 0.07 89.73 15:10:01 0 9.38 0.00 0.37 0.03 0.08 90.14 15:10:01 1 10.10 0.00 0.41 0.01 0.07 89.41 15:10:01 2 10.05 0.00 0.39 0.03 0.07 89.47 15:10:01 3 9.69 0.00 0.33 0.02 0.07 89.90 15:20:01 all 10.15 0.00 0.44 0.06 0.07 89.29 15:20:01 0 10.40 0.00 0.32 0.08 0.07 89.14 15:20:01 1 10.00 0.00 0.53 0.03 0.07 89.37 15:20:01 2 10.29 0.00 0.52 0.03 0.07 89.08 15:20:01 3 9.89 0.00 0.38 0.10 0.07 89.56 15:30:01 all 18.10 0.00 0.69 0.11 0.08 81.03 15:30:01 0 17.05 0.00 0.72 0.09 0.08 82.07 15:30:01 1 17.91 0.00 0.66 0.25 0.08 81.09 15:30:01 2 18.98 0.00 0.67 0.06 0.08 80.22 15:30:01 3 18.46 0.00 0.70 0.04 0.07 80.73 15:40:20 all 11.77 0.00 0.46 0.02 0.07 87.67 15:40:20 0 11.37 0.00 0.41 0.03 0.07 88.12 15:40:20 1 12.12 0.00 0.47 0.05 0.07 87.29 15:40:20 2 11.75 0.00 0.47 0.01 0.08 87.69 15:40:20 3 11.84 0.00 0.50 0.01 0.07 87.57 Average: all 21.89 0.00 0.83 0.07 0.08 77.13 Average: 0 21.87 0.00 0.81 0.08 0.08 77.16 Average: 1 21.93 0.00 0.82 0.11 0.08 77.06 Average: 2 21.79 0.00 0.87 0.05 0.08 77.20 Average: 3 21.97 0.00 0.79 0.07 0.08 77.09