---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-60316 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 17G 61G 22% / 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 706 11555 4 3727 14940 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:94:bc:bc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.6/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80538sec preferred_lft 80538sec inet6 fe80::f816:3eff:fe94:bcbc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:17:86:b7:a0:ed 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::4417:86ff:feb7:a0ed/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-60316) 03/31/26 _x86_64_ (4 CPU) 11:34:13 LINUX RESTART (4 CPU) 11:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:50:03 64.27 6.05 55.49 2.73 178.69 6189.42 4567.91 12:00:02 44.84 21.14 22.43 1.28 266.90 1536.32 1787.28 12:10:19 7.51 0.23 6.89 0.39 16.04 234.33 827.46 12:20:43 10.68 0.02 10.17 0.48 0.63 525.09 779.15 12:30:03 17.44 0.02 16.62 0.79 1.09 531.30 590.70 12:40:04 7.06 0.01 6.72 0.33 0.91 209.84 301.42 12:50:05 5.16 0.02 4.91 0.24 1.44 154.23 141.37 13:00:05 6.11 0.00 5.92 0.19 0.31 160.47 67.71 13:10:05 4.91 0.00 4.75 0.16 0.13 153.39 78.84 Average: 18.61 3.05 14.83 0.73 51.82 1077.28 1017.96 11:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:50:03 3815580 6773888 9158656 55.94 260540 2686128 11575676 66.44 2144832 9837604 892 12:00:02 3817364 6861148 9071072 55.40 271816 2783928 9833924 56.45 2294468 9694836 876 12:10:19 6566996 9638664 6295160 38.45 272872 2810808 7060032 40.52 2304172 6957040 232 12:20:43 8299012 11475608 4461844 27.25 277168 2910440 5249076 30.13 2350340 5181980 92 12:30:03 8368468 11615868 4321568 26.39 280116 2978256 5137476 29.49 2356996 5112880 212 12:40:04 8247888 11524268 4413392 26.96 280960 3006396 5237220 30.06 2359184 5220348 328 12:50:05 6777288 10075112 5861456 35.80 281540 3027256 6674192 38.31 2361200 6700460 708 13:00:05 6661968 9980008 5956608 36.38 282084 3046940 6778896 38.91 2364372 6804332 648 13:10:05 8085340 11426200 4511408 27.55 282868 3068980 5296884 30.40 2366572 5384688 268 Average: 6737767 9930085 6005685 36.68 276663 2924348 6982597 40.08 2322460 6766019 473 11:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:50:03 lo 17.79 17.79 14.58 14.58 0.00 0.00 0.00 0.00 11:50:03 ens3 1.79 1.49 0.53 0.43 0.00 0.00 0.00 0.00 11:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:02 lo 51.91 51.91 23.53 23.53 0.00 0.00 0.00 0.00 12:00:02 ens3 2.08 1.82 0.53 0.45 0.00 0.00 0.00 0.00 12:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:19 lo 17.91 17.91 8.60 8.60 0.00 0.00 0.00 0.00 12:10:19 ens3 1.05 0.46 0.23 0.14 0.00 0.00 0.00 0.00 12:10:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:43 lo 5.93 5.93 2.87 2.87 0.00 0.00 0.00 0.00 12:20:43 ens3 0.88 0.58 0.25 0.18 0.00 0.00 0.00 0.00 12:20:43 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:03 lo 16.32 16.32 8.40 8.40 0.00 0.00 0.00 0.00 12:30:03 ens3 1.04 0.90 0.23 0.19 0.00 0.00 0.00 0.00 12:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:04 lo 17.09 17.09 8.64 8.64 0.00 0.00 0.00 0.00 12:40:04 ens3 1.59 0.66 0.35 0.22 0.00 0.00 0.00 0.00 12:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:05 lo 29.51 29.51 11.73 11.73 0.00 0.00 0.00 0.00 12:50:05 ens3 0.73 0.44 0.15 0.10 0.00 0.00 0.00 0.00 12:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:05 lo 14.94 14.94 7.71 7.71 0.00 0.00 0.00 0.00 13:00:05 ens3 0.71 0.53 0.18 0.14 0.00 0.00 0.00 0.00 13:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:05 lo 15.64 15.64 8.97 8.97 0.00 0.00 0.00 0.00 13:10:05 ens3 0.67 0.53 0.14 0.10 0.00 0.00 0.00 0.00 13:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.74 20.74 10.53 10.53 0.00 0.00 0.00 0.00 Average: ens3 1.17 0.82 0.29 0.22 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-60316) 03/31/26 _x86_64_ (4 CPU) 11:34:13 LINUX RESTART (4 CPU) 11:40:01 CPU %user %nice %system %iowait %steal %idle 11:50:03 all 51.27 0.00 1.96 0.15 0.09 46.53 11:50:03 0 51.80 0.00 1.88 0.19 0.09 46.04 11:50:03 1 51.38 0.00 2.14 0.07 0.09 46.31 11:50:03 2 50.63 0.00 1.97 0.18 0.09 47.12 11:50:03 3 51.27 0.00 1.83 0.15 0.09 46.65 12:00:02 all 40.32 0.00 1.56 0.08 0.11 57.93 12:00:02 0 39.49 0.00 1.55 0.12 0.10 58.75 12:00:02 1 40.94 0.00 1.60 0.06 0.10 57.30 12:00:02 2 40.44 0.00 1.56 0.11 0.11 57.78 12:00:02 3 40.43 0.00 1.54 0.04 0.11 57.88 12:10:19 all 16.32 0.00 0.82 0.04 0.09 82.73 12:10:19 0 15.92 0.00 0.76 0.03 0.08 83.21 12:10:19 1 16.74 0.00 0.94 0.02 0.09 82.20 12:10:19 2 16.49 0.00 0.84 0.08 0.09 82.50 12:10:19 3 16.13 0.00 0.76 0.03 0.09 82.99 12:20:43 all 15.53 0.00 0.69 0.03 0.09 83.66 12:20:43 0 15.35 0.00 0.65 0.01 0.08 83.91 12:20:43 1 15.53 0.00 0.75 0.06 0.09 83.56 12:20:43 2 16.49 0.00 0.71 0.04 0.08 82.68 12:20:43 3 14.76 0.00 0.66 0.02 0.08 84.48 12:30:03 all 26.99 0.00 0.94 0.04 0.09 71.93 12:30:03 0 27.11 0.00 0.97 0.02 0.08 71.81 12:30:03 1 27.51 0.00 1.03 0.07 0.09 71.30 12:30:03 2 26.18 0.00 0.83 0.02 0.09 72.89 12:30:03 3 27.18 0.00 0.93 0.07 0.09 71.74 12:40:04 all 12.67 0.00 0.47 0.03 0.09 86.75 12:40:04 0 13.20 0.00 0.45 0.01 0.08 86.26 12:40:04 1 12.58 0.00 0.49 0.01 0.09 86.82 12:40:04 2 12.61 0.00 0.45 0.07 0.09 86.78 12:40:04 3 12.27 0.00 0.50 0.02 0.09 87.13 12:50:05 all 10.60 0.00 0.53 0.02 0.10 88.76 12:50:05 0 10.60 0.00 0.53 0.02 0.09 88.76 12:50:05 1 10.99 0.00 0.50 0.03 0.10 88.37 12:50:05 2 10.42 0.00 0.58 0.01 0.09 88.90 12:50:05 3 10.37 0.00 0.50 0.03 0.10 89.00 13:00:05 all 9.51 0.00 0.51 0.03 0.08 89.87 13:00:05 0 9.09 0.00 0.48 0.05 0.08 90.30 13:00:05 1 9.12 0.00 0.56 0.01 0.08 90.23 13:00:05 2 10.23 0.00 0.49 0.02 0.08 89.17 13:00:05 3 9.59 0.00 0.51 0.02 0.08 89.80 13:10:05 all 8.08 0.00 0.49 0.02 0.09 91.33 13:10:05 0 7.61 0.00 0.41 0.04 0.08 91.86 13:10:05 1 8.02 0.00 0.56 0.00 0.09 91.32 13:10:05 2 8.53 0.00 0.49 0.01 0.09 90.88 13:10:05 3 8.16 0.00 0.49 0.02 0.09 91.25 Average: all 21.16 0.00 0.88 0.05 0.09 77.81 Average: 0 21.03 0.00 0.85 0.05 0.09 77.98 Average: 1 21.34 0.00 0.95 0.04 0.09 77.58 Average: 2 21.25 0.00 0.88 0.06 0.09 77.72 Average: 3 21.04 0.00 0.86 0.05 0.09 77.97