---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-15495 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 694 10625 4 4668 14951 Swap: 1023 1 1022 ---> 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:dd:76:24 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.190/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79777sec preferred_lft 79777sec inet6 fe80::f816:3eff:fedd:7624/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:43:00:2c:1d:d9 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 ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-15495) 03/23/26 _x86_64_ (4 CPU) 19:06:42 LINUX RESTART (4 CPU) 19:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:11 92.51 8.54 80.45 3.53 1333.78 33725.06 19177.26 19:30:28 75.76 22.99 49.46 3.31 330.02 5191.68 1630.60 19:40:00 15.14 0.24 14.08 0.83 11.27 449.40 1423.24 19:50:28 7.21 0.06 6.77 0.38 1.50 454.60 200.82 20:00:01 16.95 0.02 16.20 0.73 0.70 562.46 244.60 20:10:01 24.80 0.06 9.09 15.65 1.07 252.11 211320.92 20:20:25 4.48 0.02 4.27 0.20 1.55 136.78 116.86 20:30:28 7.58 0.23 7.03 0.31 9.00 253.16 158.11 20:40:01 5.40 0.00 5.24 0.16 0.14 168.95 63.20 20:50:06 8.77 0.04 8.39 0.34 3.90 571.76 122.85 Average: 26.09 3.29 20.24 2.55 172.11 4237.80 23461.05 19:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:11 4462296 15321292 605276 3.70 241776 10404636 1340724 7.70 2173560 8972744 8112 19:30:28 1419608 4808708 11122812 67.93 270608 3101820 11858744 68.07 2329316 12042712 376 19:40:00 7106152 10528160 5406356 33.02 272552 3132840 6128284 35.18 2355796 6348348 724 19:50:28 8610088 12127088 3809956 23.27 276596 3223584 4614780 26.49 2375444 4834988 44 20:00:01 11737168 15336836 601852 3.68 278672 3304060 1348568 7.74 2399448 1682736 4 20:10:01 7808960 11443056 4493608 27.45 280004 3337136 5233376 30.04 2406624 5596036 460 20:20:25 11657604 15328872 609412 3.72 280568 3373732 1349188 7.74 2409384 1745048 17704 20:30:28 6498164 10194084 5741928 35.07 281808 3397148 6642112 38.13 2414520 6901632 108 20:40:01 7758204 11478212 4458736 27.23 282592 3420420 5282320 30.32 2416884 5637076 264 20:50:06 7420196 11273528 4662824 28.48 286572 3544208 5304360 30.45 2431480 5956160 392 Average: 7447844 11783984 4151276 25.35 275175 4023958 4910246 28.18 2371246 5971748 2819 19:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:11 lo 2.68 2.68 2.19 2.19 0.00 0.00 0.00 0.00 19:20:11 ens3 178.86 129.07 1957.93 12.04 0.00 0.00 0.00 0.00 19:20:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:28 lo 40.15 40.15 24.73 24.73 0.00 0.00 0.00 0.00 19:30:28 ens3 2.49 2.28 0.72 0.62 0.00 0.00 0.00 0.00 19:30:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:00 lo 36.39 36.39 14.88 14.88 0.00 0.00 0.00 0.00 19:40:00 ens3 2.25 1.11 0.43 0.26 0.00 0.00 0.00 0.00 19:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:50:28 lo 11.67 11.67 6.06 6.06 0.00 0.00 0.00 0.00 19:50:28 ens3 0.96 0.77 0.24 1.18 0.00 0.00 0.00 0.00 19:50:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:00:01 lo 11.31 11.31 5.44 5.44 0.00 0.00 0.00 0.00 20:00:01 ens3 1.15 0.84 0.27 0.20 0.00 0.00 0.00 0.00 20:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:10:01 lo 19.70 19.70 10.30 10.30 0.00 0.00 0.00 0.00 20:10:01 ens3 1.52 0.66 0.29 0.17 0.00 0.00 0.00 0.00 20:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:20:25 lo 27.68 27.68 9.83 9.83 0.00 0.00 0.00 0.00 20:20:25 ens3 0.68 0.47 0.14 0.10 0.00 0.00 0.00 0.00 20:20:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:28 lo 19.03 19.03 10.79 10.79 0.00 0.00 0.00 0.00 20:30:28 ens3 0.97 0.66 0.19 0.14 0.00 0.00 0.00 0.00 20:30:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:40:01 lo 17.92 17.92 10.27 10.27 0.00 0.00 0.00 0.00 20:40:01 ens3 1.09 0.55 0.25 0.16 0.00 0.00 0.00 0.00 20:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:06 lo 20.24 20.24 9.76 9.76 0.00 0.00 0.00 0.00 20:50:06 ens3 1.03 0.83 0.25 0.21 0.00 0.00 0.00 0.00 20:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.67 20.67 10.43 10.43 0.00 0.00 0.00 0.00 Average: ens3 19.36 13.92 198.93 1.53 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-15495) 03/23/26 _x86_64_ (4 CPU) 19:06:42 LINUX RESTART (4 CPU) 19:10:01 CPU %user %nice %system %iowait %steal %idle 19:20:11 all 34.41 0.00 2.06 5.11 0.09 58.33 19:20:11 0 33.24 0.00 1.94 3.24 0.08 61.49 19:20:11 1 34.10 0.00 2.15 6.41 0.09 57.25 19:20:11 2 34.34 0.00 2.08 7.60 0.09 55.90 19:20:11 3 35.98 0.00 2.07 3.19 0.09 58.67 19:30:28 all 65.08 0.00 2.38 0.13 0.13 32.27 19:30:28 0 64.86 0.00 2.38 0.16 0.13 32.47 19:30:28 1 64.96 0.00 2.45 0.09 0.13 32.36 19:30:28 2 66.06 0.00 2.49 0.09 0.13 31.23 19:30:28 3 64.43 0.00 2.22 0.20 0.13 33.02 19:40:00 all 30.19 0.00 1.20 0.10 0.11 68.40 19:40:00 0 29.23 0.00 1.14 0.11 0.11 69.40 19:40:00 1 30.59 0.00 1.19 0.19 0.11 67.91 19:40:00 2 30.37 0.00 1.18 0.05 0.11 68.29 19:40:00 3 30.57 0.00 1.27 0.03 0.11 68.02 19:50:28 all 12.59 0.00 0.54 0.05 0.09 86.73 19:50:28 0 12.87 0.00 0.58 0.04 0.09 86.41 19:50:28 1 11.71 0.00 0.54 0.06 0.09 87.61 19:50:28 2 13.41 0.00 0.60 0.03 0.10 85.87 19:50:28 3 12.36 0.00 0.45 0.05 0.10 87.04 20:00:01 all 24.85 0.00 0.84 0.05 0.08 74.18 20:00:01 0 24.43 0.00 0.90 0.07 0.08 74.52 20:00:01 1 24.90 0.00 0.90 0.04 0.09 74.07 20:00:01 2 24.59 0.00 0.78 0.03 0.09 74.52 20:00:01 3 25.49 0.00 0.79 0.05 0.08 73.59 20:10:01 all 18.01 0.00 0.69 0.03 0.09 81.18 20:10:01 0 17.37 0.00 0.66 0.02 0.09 81.87 20:10:01 1 18.43 0.00 0.76 0.02 0.09 80.70 20:10:01 2 18.26 0.00 0.69 0.03 0.09 80.92 20:10:01 3 17.98 0.00 0.63 0.07 0.09 81.23 20:20:25 all 8.23 0.00 0.50 0.02 0.08 91.17 20:20:25 0 8.14 0.00 0.51 0.02 0.08 91.25 20:20:25 1 8.35 0.00 0.49 0.02 0.08 91.06 20:20:25 2 8.06 0.00 0.45 0.01 0.09 91.39 20:20:25 3 8.35 0.00 0.56 0.04 0.08 90.97 20:30:28 all 16.16 0.00 0.52 0.03 0.10 83.18 20:30:28 0 16.16 0.00 0.53 0.03 0.09 83.19 20:30:28 1 16.05 0.00 0.52 0.02 0.10 83.32 20:30:28 2 16.20 0.00 0.52 0.02 0.10 83.16 20:30:28 3 16.25 0.00 0.53 0.06 0.10 83.07 20:40:01 all 8.46 0.00 0.37 0.02 0.09 91.06 20:40:01 0 8.12 0.00 0.34 0.02 0.09 91.43 20:40:01 1 8.60 0.00 0.38 0.01 0.10 90.91 20:40:01 2 8.27 0.00 0.35 0.03 0.09 91.26 20:40:01 3 8.86 0.00 0.41 0.02 0.09 90.63 20:50:06 all 14.05 0.00 0.56 0.04 0.09 85.26 20:50:06 0 13.67 0.00 0.54 0.02 0.09 85.69 20:50:06 1 13.12 0.00 0.54 0.02 0.10 86.23 20:50:06 2 15.17 0.00 0.58 0.09 0.09 84.06 20:50:06 3 14.23 0.00 0.57 0.02 0.10 85.08 Average: all 23.25 0.00 0.97 0.57 0.10 75.12 Average: 0 22.86 0.00 0.95 0.38 0.09 75.72 Average: 1 23.12 0.00 0.99 0.70 0.10 75.09 Average: 2 23.52 0.00 0.98 0.81 0.10 74.59 Average: 3 23.49 0.00 0.95 0.38 0.10 75.09