---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-18502 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 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 695 11094 3 4198 14950 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:1e:55:03 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.2/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79949sec preferred_lft 79949sec inet6 fe80::f816:3eff:fe1e:5503/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:2e:56:45:bb:45 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::c02e:56ff:fe45:bb45/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-18502) 03/23/26 _x86_64_ (4 CPU) 19:34:12 LINUX RESTART (4 CPU) 19:40:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:50:05 108.31 22.71 81.09 4.51 352.62 26499.97 10411.24 20:00:17 25.02 3.50 20.38 1.14 71.95 586.73 1761.70 20:10:06 24.17 0.24 8.11 15.81 10.63 310.22 216023.86 20:20:07 14.43 0.05 13.78 0.60 1.81 642.76 877.46 20:30:18 16.96 0.03 16.22 0.71 1.24 522.97 254.94 20:40:18 6.00 0.13 5.71 0.16 4.93 152.60 68.05 20:50:19 5.22 0.01 5.03 0.18 1.05 155.38 82.52 21:00:19 5.13 0.00 4.96 0.17 0.31 155.44 69.48 21:10:20 12.08 0.03 11.54 0.50 3.97 690.38 378.59 21:20:20 5.01 0.02 4.81 0.18 1.04 173.91 441.10 Average: 22.22 2.67 17.18 2.37 44.97 2983.63 22606.02 19:40:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:50:05 174080 3783400 12146508 74.19 265944 3310284 13264088 76.14 2075652 13509844 1308 20:00:17 3631956 6604736 9330544 56.99 266732 2723768 10499472 60.27 2118892 10080956 1152 20:10:06 6695444 9702216 6235576 38.08 270000 2754316 6944296 39.86 2133956 7014208 336 20:20:07 10619716 13745324 2194980 13.41 274828 2868404 2932416 16.83 2171340 3065824 72 20:30:18 8385308 11586804 4352428 26.58 276912 2942208 5130012 29.45 2176780 5267984 404 20:40:18 8145704 11366888 4572004 27.92 277772 2961036 5328144 30.58 2179268 5524684 320 20:50:19 6696416 9939368 5998720 36.64 278352 2982240 6711860 38.53 2181216 6958108 584 21:00:19 6771944 10037088 5900936 36.04 279168 3003628 6655404 38.20 2184792 6884572 300 21:10:20 8059712 11475428 4463532 27.26 283704 3148316 5201772 29.86 2201428 5591960 292 21:20:20 6908336 10352856 5585580 34.11 284252 3176484 6153624 35.32 2212520 6717100 452 Average: 6608862 9859411 6078081 37.12 275766 2987068 6882109 39.50 2163584 7061524 522 19:40:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:50:05 lo 16.40 16.40 15.01 15.01 0.00 0.00 0.00 0.00 19:50:05 ens3 39.25 29.83 644.75 3.27 0.00 0.00 0.00 0.00 19:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:00:17 lo 42.54 42.54 18.30 18.30 0.00 0.00 0.00 0.00 20:00:17 ens3 2.05 1.75 0.42 1.32 0.00 0.00 0.00 0.00 20:00:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:10:06 lo 23.22 23.22 11.11 11.11 0.00 0.00 0.00 0.00 20:10:06 ens3 1.45 0.58 0.27 0.15 0.00 0.00 0.00 0.00 20:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:20:07 lo 12.04 12.04 6.00 6.00 0.00 0.00 0.00 0.00 20:20:07 ens3 0.96 0.73 0.25 0.20 0.00 0.00 0.00 0.00 20:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:18 lo 17.93 17.93 9.21 9.21 0.00 0.00 0.00 0.00 20:30:18 ens3 1.03 0.68 0.20 0.15 0.00 0.00 0.00 0.00 20:30:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:40:18 lo 21.08 21.08 9.01 9.01 0.00 0.00 0.00 0.00 20:40:18 ens3 1.16 0.63 0.27 0.17 0.00 0.00 0.00 0.00 20:40:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:19 lo 26.47 26.47 11.13 11.13 0.00 0.00 0.00 0.00 20:50:19 ens3 0.66 0.45 0.12 0.09 0.00 0.00 0.00 0.00 20:50:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:19 lo 17.09 17.09 9.80 9.80 0.00 0.00 0.00 0.00 21:00:19 ens3 0.72 0.52 0.16 0.12 0.00 0.00 0.00 0.00 21:00:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:10:20 lo 19.73 19.73 11.19 11.19 0.00 0.00 0.00 0.00 21:10:20 ens3 1.18 0.80 0.29 0.22 0.00 0.00 0.00 0.00 21:10:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:20 lo 30.72 30.72 12.04 12.04 0.00 0.00 0.00 0.00 21:20:20 ens3 0.90 0.65 0.21 0.16 0.00 0.00 0.00 0.00 21:20:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 22.75 22.75 11.29 11.29 0.00 0.00 0.00 0.00 Average: ens3 4.93 3.66 64.54 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-18502) 03/23/26 _x86_64_ (4 CPU) 19:34:12 LINUX RESTART (4 CPU) 19:40:05 CPU %user %nice %system %iowait %steal %idle 19:50:05 all 53.67 0.00 2.30 2.40 0.10 41.53 19:50:05 0 53.31 0.00 2.41 2.39 0.10 41.79 19:50:05 1 54.21 0.00 2.45 3.22 0.10 40.02 19:50:05 2 52.94 0.00 1.99 1.42 0.10 43.55 19:50:05 3 54.23 0.00 2.37 2.56 0.10 40.75 20:00:17 all 42.51 0.00 1.56 0.10 0.11 55.72 20:00:17 0 43.22 0.00 1.58 0.04 0.12 55.04 20:00:17 1 42.90 0.00 1.53 0.06 0.11 55.39 20:00:17 2 42.47 0.00 1.50 0.22 0.11 55.69 20:00:17 3 41.42 0.00 1.63 0.07 0.11 56.77 20:10:06 all 18.91 0.00 0.83 0.18 0.09 79.98 20:10:06 0 18.74 0.00 0.82 0.10 0.09 80.25 20:10:06 1 19.20 0.00 0.88 0.12 0.10 79.70 20:10:06 2 18.27 0.00 0.81 0.33 0.10 80.49 20:10:06 3 19.43 0.00 0.82 0.17 0.09 79.48 20:20:07 all 19.12 0.00 0.79 0.07 0.09 79.93 20:20:07 0 18.92 0.00 0.64 0.01 0.08 80.34 20:20:07 1 19.13 0.00 0.81 0.07 0.09 79.90 20:20:07 2 19.66 0.00 0.96 0.18 0.09 79.11 20:20:07 3 18.76 0.00 0.76 0.02 0.08 80.37 20:30:18 all 28.26 0.00 0.96 0.05 0.09 70.63 20:30:18 0 28.37 0.00 0.94 0.03 0.09 70.56 20:30:18 1 27.94 0.00 0.87 0.02 0.09 71.08 20:30:18 2 28.24 0.00 0.98 0.09 0.09 70.60 20:30:18 3 28.51 0.00 1.07 0.07 0.09 70.27 20:40:18 all 9.08 0.00 0.48 0.03 0.07 90.34 20:40:18 0 9.02 0.00 0.39 0.01 0.07 90.53 20:40:18 1 9.19 0.00 0.53 0.05 0.08 90.15 20:40:18 2 9.21 0.00 0.47 0.03 0.07 90.22 20:40:18 3 8.90 0.00 0.54 0.02 0.07 90.47 20:50:19 all 10.74 0.00 0.56 0.02 0.07 88.60 20:50:19 0 10.46 0.00 0.58 0.01 0.07 88.88 20:50:19 1 10.99 0.00 0.54 0.03 0.08 88.36 20:50:19 2 10.35 0.00 0.57 0.05 0.07 88.96 20:50:19 3 11.16 0.00 0.55 0.01 0.08 88.20 21:00:19 all 9.87 0.00 0.54 0.02 0.08 89.49 21:00:19 0 9.73 0.00 0.51 0.05 0.07 89.63 21:00:19 1 10.00 0.00 0.57 0.01 0.08 89.35 21:00:19 2 9.90 0.00 0.62 0.01 0.08 89.38 21:00:19 3 9.87 0.00 0.45 0.02 0.07 89.58 21:10:20 all 19.46 0.00 0.72 0.04 0.08 79.70 21:10:20 0 19.40 0.00 0.70 0.04 0.08 79.79 21:10:20 1 18.73 0.00 0.66 0.07 0.08 80.46 21:10:20 2 19.99 0.00 0.73 0.04 0.08 79.17 21:10:20 3 19.75 0.00 0.79 0.02 0.08 79.37 21:20:20 all 10.42 0.00 0.45 0.02 0.08 89.03 21:20:20 0 10.33 0.00 0.47 0.01 0.07 89.13 21:20:20 1 10.16 0.00 0.53 0.05 0.09 89.17 21:20:20 2 10.47 0.00 0.44 0.01 0.07 89.00 21:20:20 3 10.70 0.00 0.38 0.02 0.08 88.82 Average: all 22.24 0.00 0.92 0.29 0.09 76.46 Average: 0 22.19 0.00 0.90 0.27 0.08 76.56 Average: 1 22.27 0.00 0.94 0.37 0.09 76.33 Average: 2 22.19 0.00 0.91 0.24 0.09 76.58 Average: 3 22.31 0.00 0.94 0.30 0.09 76.37