---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22120 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 9.9G 68G 13% / 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 688 10983 4 4316 14958 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:23:d8:e4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.136/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80102sec preferred_lft 80102sec inet6 fe80::f816:3eff:fe23:d8e4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ca:22:07:da:0d: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 ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-22120) 03/23/26 _x86_64_ (4 CPU) 20:34:48 LINUX RESTART (4 CPU) 20:40:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:50:25 1.31 0.00 1.30 0.00 0.04 15.58 215.38 21:00:25 14.03 0.01 1.29 12.73 0.16 14.84 242909.73 21:10:25 13.49 11.89 1.59 0.01 132.32 29.72 0.11 21:20:01 1.31 0.00 1.30 0.00 0.01 14.69 0.00 21:30:11 1.29 0.00 1.29 0.00 0.00 14.66 0.00 21:40:11 1.31 0.00 1.31 0.00 0.00 15.08 0.00 21:50:01 1.14 0.00 1.14 0.00 0.00 13.27 0.00 22:00:11 44.31 4.31 39.35 0.65 257.86 3186.61 526.30 22:10:12 51.18 0.33 42.26 8.58 10.26 3934.23 9474.56 Average: 14.48 1.85 10.19 2.45 45.06 812.36 28174.45 20:40:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:50:25 13791468 15529360 489800 2.99 54364 1910512 1126868 6.47 193576 2145344 20 21:00:25 13787224 15530616 488508 2.98 55016 1915328 1126868 6.47 199036 2146592 20 21:10:25 13739048 15531996 479388 2.93 57968 1954864 1126980 6.47 236872 2153340 20 21:20:01 13726860 15520320 491012 3.00 58348 1955012 1126916 6.47 237224 2154312 200 21:30:11 13723852 15517720 493620 3.01 58708 1955024 1126980 6.47 237616 2159808 32 21:40:11 13723124 15517544 493700 3.02 59092 1955164 1126980 6.47 238000 2160016 32 21:50:01 13722620 15517332 493844 3.02 59412 1955172 1126980 6.47 238272 2160260 200 22:00:11 11622476 14431564 1533448 9.37 115672 2860856 1890356 10.85 438992 3969960 111708 22:10:12 10214160 13727644 2229520 13.62 177476 3422356 2463116 14.14 668436 5070900 36320 Average: 13116759 15202677 799204 4.88 77340 2209365 1360227 7.81 298669 2680059 16506 20:40:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:50:25 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 20:50:25 ens3 0.30 0.08 0.05 0.02 0.00 0.00 0.00 0.00 20:50:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:25 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 21:00:25 ens3 0.30 0.11 0.07 0.04 0.00 0.00 0.00 0.00 21:00:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:10:25 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 21:10:25 ens3 0.51 0.14 0.13 0.07 0.00 0.00 0.00 0.00 21:10:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 21:20:01 ens3 0.32 0.08 0.06 0.03 0.00 0.00 0.00 0.00 21:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:30:11 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 21:30:11 ens3 0.44 0.38 0.06 0.52 0.00 0.00 0.00 0.00 21:30:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:40:11 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 21:40:11 ens3 0.32 0.10 0.07 0.04 0.00 0.00 0.00 0.00 21:40:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:50:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 21:50:01 ens3 0.23 0.08 0.05 0.02 0.00 0.00 0.00 0.00 21:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:00:11 lo 0.40 0.40 0.06 0.06 0.00 0.00 0.00 0.00 22:00:11 ens3 96.23 73.73 852.76 15.28 0.00 0.00 0.00 0.00 22:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:10:12 lo 4848.61 4848.61 4623.37 4623.37 0.00 0.00 0.00 0.00 22:10:12 ens3 128.61 88.26 135.98 29.08 0.00 0.00 0.00 0.00 22:10:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 540.98 540.98 515.74 515.74 0.00 0.00 0.00 0.00 Average: ens3 25.50 18.29 111.68 5.05 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-4g-22120) 03/23/26 _x86_64_ (4 CPU) 20:34:48 LINUX RESTART (4 CPU) 20:40:21 CPU %user %nice %system %iowait %steal %idle 20:50:25 all 0.11 0.00 0.03 0.01 0.02 99.83 20:50:25 0 0.02 0.00 0.02 0.00 0.01 99.94 20:50:25 1 0.04 0.00 0.03 0.02 0.02 99.89 20:50:25 2 0.35 0.00 0.03 0.00 0.03 99.59 20:50:25 3 0.03 0.00 0.03 0.03 0.02 99.89 21:00:25 all 0.09 0.00 0.03 0.03 0.02 99.83 21:00:25 0 0.19 0.00 0.03 0.08 0.02 99.68 21:00:25 1 0.05 0.00 0.04 0.03 0.03 99.86 21:00:25 2 0.10 0.00 0.03 0.00 0.02 99.85 21:00:25 3 0.04 0.00 0.03 0.01 0.02 99.91 21:10:25 all 0.34 0.08 0.04 0.06 0.02 99.45 21:10:25 0 1.28 0.00 0.03 0.01 0.03 98.65 21:10:25 1 0.03 0.19 0.07 0.13 0.02 99.57 21:10:25 2 0.04 0.00 0.03 0.03 0.02 99.88 21:10:25 3 0.03 0.11 0.05 0.07 0.02 99.72 21:20:01 all 0.11 0.00 0.02 0.01 0.02 99.84 21:20:01 0 0.26 0.00 0.01 0.00 0.02 99.72 21:20:01 1 0.03 0.00 0.03 0.00 0.03 99.92 21:20:01 2 0.02 0.00 0.02 0.03 0.02 99.91 21:20:01 3 0.13 0.00 0.03 0.01 0.03 99.81 21:30:11 all 0.15 0.00 0.02 0.01 0.02 99.80 21:30:11 0 0.02 0.00 0.02 0.00 0.01 99.94 21:30:11 1 0.03 0.00 0.02 0.00 0.02 99.93 21:30:11 2 0.51 0.00 0.01 0.01 0.02 99.45 21:30:11 3 0.05 0.00 0.03 0.01 0.03 99.87 21:40:11 all 0.14 0.00 0.02 0.01 0.02 99.81 21:40:11 0 0.02 0.00 0.02 0.00 0.02 99.94 21:40:11 1 0.02 0.00 0.02 0.00 0.03 99.92 21:40:11 2 0.52 0.00 0.02 0.00 0.02 99.44 21:40:11 3 0.02 0.00 0.02 0.03 0.02 99.92 21:50:01 all 0.32 0.00 0.02 0.01 0.02 99.64 21:50:01 0 0.02 0.00 0.02 0.00 0.02 99.93 21:50:01 1 0.26 0.00 0.01 0.00 0.01 99.72 21:50:01 2 0.18 0.00 0.02 0.00 0.02 99.77 21:50:01 3 0.80 0.00 0.03 0.02 0.04 99.12 22:00:11 all 8.84 0.00 0.55 0.27 0.04 90.30 22:00:11 0 11.69 0.00 0.56 0.13 0.04 87.57 22:00:11 1 7.69 0.00 0.65 0.24 0.02 91.40 22:00:11 2 8.35 0.00 0.53 0.25 0.04 90.82 22:00:11 3 7.61 0.00 0.47 0.47 0.04 91.41 22:10:12 all 65.97 0.00 3.97 0.09 0.08 29.89 22:10:12 0 65.28 0.00 3.90 0.07 0.08 30.67 22:10:12 1 64.91 0.00 3.76 0.07 0.08 31.17 22:10:12 2 67.81 0.00 3.97 0.14 0.08 28.01 22:10:12 3 65.87 0.00 4.24 0.10 0.08 29.71 Average: all 8.46 0.01 0.52 0.06 0.03 90.92 Average: 0 8.77 0.00 0.51 0.03 0.03 90.66 Average: 1 8.12 0.02 0.51 0.06 0.03 91.26 Average: 2 8.66 0.00 0.52 0.05 0.03 90.74 Average: 3 8.28 0.01 0.55 0.08 0.03 91.04