---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-64907 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 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 685 10934 4 4368 14961 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:14:5b:6d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.140/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81133sec preferred_lft 81133sec inet6 fe80::f816:3eff:fe14:5b6d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ea:61:94:a6:a4:8a 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-64907) 03/31/26 _x86_64_ (4 CPU) 20:56:57 LINUX RESTART (4 CPU) 21:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:10:43 3.45 0.09 3.11 0.26 3.50 240.46 240.33 21:20:43 1.14 0.01 1.13 0.00 0.05 13.79 0.19 21:30:01 1.08 0.00 1.07 0.00 0.32 12.65 0.00 21:40:43 1.06 0.00 1.06 0.00 0.00 12.56 0.00 21:50:19 1.17 0.00 1.17 0.00 0.00 13.36 0.00 22:00:01 39.13 4.61 33.82 0.70 274.15 3390.81 732.60 22:10:04 61.35 0.29 39.42 21.64 8.26 3691.19 265348.35 22:20:19 22.94 0.30 18.43 4.22 11.53 2555.44 6767.06 Average: 16.34 0.64 12.33 3.36 36.14 1235.81 34173.11 21:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:10:43 13661612 15501516 514616 3.14 57116 2008584 1131128 6.49 224380 2218860 8 21:20:43 13662416 15502696 513608 3.14 57492 2008576 1131128 6.49 224752 2219424 4 21:30:01 13662844 15503672 512636 3.13 57804 2008800 1131128 6.49 225072 2220296 204 21:40:43 13664100 15505340 511036 3.12 58196 2008812 1131128 6.49 225464 2221548 172 21:50:19 13664100 15505776 510604 3.12 58508 2008944 1131128 6.49 225760 2222240 4 22:00:01 11313252 14319980 1643748 10.04 120292 3057868 2272328 13.04 433612 4294200 233644 22:10:04 10335692 13866036 2090680 12.77 176196 3455632 2226756 12.78 651392 4948580 12576 22:20:19 11261224 15372000 581692 3.55 205136 3966572 1100572 6.32 821888 3814608 100 Average: 12653155 15134627 859828 5.25 98842 2565474 1406912 8.08 379040 3019970 30839 21:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:10:43 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 21:10:43 ens3 3.47 1.70 77.65 0.15 0.00 0.00 0.00 0.00 21:10:43 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:43 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 21:20:43 ens3 0.18 0.08 0.04 0.02 0.00 0.00 0.00 0.00 21:20:43 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:30:01 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 21:30:01 ens3 0.16 0.08 0.04 0.02 0.00 0.00 0.00 0.00 21:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:40:43 lo 0.09 0.09 0.01 0.01 0.00 0.00 0.00 0.00 21:40:43 ens3 0.22 0.10 0.07 0.04 0.00 0.00 0.00 0.00 21:40:43 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:50:19 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 21:50:19 ens3 0.15 0.07 0.04 0.02 0.00 0.00 0.00 0.00 21:50:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:00:01 lo 16.59 16.59 15.48 15.48 0.00 0.00 0.00 0.00 22:00:01 ens3 112.18 85.58 1019.36 17.58 0.00 0.00 0.00 0.00 22:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:10:04 lo 4547.81 4547.81 4336.65 4336.65 0.00 0.00 0.00 0.00 22:10:04 ens3 94.62 70.49 28.36 25.90 0.00 0.00 0.00 0.00 22:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:19 lo 1430.61 1430.61 1355.65 1355.65 0.00 0.00 0.00 0.00 22:20:19 ens3 78.19 73.11 106.70 112.23 0.00 0.00 0.00 0.00 22:20:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 753.38 753.38 717.21 717.21 0.00 0.00 0.00 0.00 Average: ens3 35.91 28.75 150.69 19.71 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-64907) 03/31/26 _x86_64_ (4 CPU) 20:56:57 LINUX RESTART (4 CPU) 21:00:01 CPU %user %nice %system %iowait %steal %idle 21:10:43 all 0.34 0.00 0.13 0.05 0.02 99.45 21:10:43 0 0.10 0.00 0.12 0.17 0.03 99.57 21:10:43 1 0.61 0.00 0.22 0.02 0.02 99.13 21:10:43 2 0.50 0.00 0.08 0.01 0.02 99.39 21:10:43 3 0.16 0.00 0.10 0.01 0.01 99.72 21:20:43 all 0.06 0.00 0.03 0.01 0.02 99.89 21:20:43 0 0.03 0.00 0.03 0.01 0.02 99.92 21:20:43 1 0.17 0.00 0.02 0.02 0.03 99.77 21:20:43 2 0.05 0.00 0.04 0.00 0.03 99.89 21:20:43 3 0.01 0.00 0.01 0.00 0.01 99.97 21:30:01 all 0.03 0.00 0.03 0.14 0.02 99.79 21:30:01 0 0.04 0.00 0.04 0.48 0.02 99.42 21:30:01 1 0.04 0.00 0.02 0.01 0.02 99.92 21:30:01 2 0.02 0.00 0.02 0.00 0.02 99.94 21:30:01 3 0.02 0.00 0.02 0.08 0.01 99.87 21:40:43 all 0.08 0.00 0.03 0.01 0.01 99.87 21:40:43 0 0.03 0.00 0.04 0.01 0.01 99.91 21:40:43 1 0.23 0.00 0.05 0.00 0.02 99.70 21:40:43 2 0.02 0.00 0.02 0.02 0.01 99.94 21:40:43 3 0.02 0.00 0.02 0.02 0.01 99.93 21:50:19 all 0.03 0.00 0.03 0.01 0.01 99.92 21:50:19 0 0.03 0.00 0.03 0.00 0.01 99.92 21:50:19 1 0.03 0.00 0.03 0.00 0.02 99.91 21:50:19 2 0.04 0.00 0.04 0.01 0.01 99.90 21:50:19 3 0.01 0.00 0.02 0.02 0.01 99.94 22:00:01 all 10.63 0.00 0.79 0.27 0.04 88.28 22:00:01 0 8.27 0.00 0.76 0.22 0.03 90.71 22:00:01 1 10.60 0.00 0.54 0.18 0.04 88.64 22:00:01 2 8.58 0.00 0.77 0.47 0.04 90.15 22:00:01 3 15.06 0.00 1.08 0.20 0.04 83.61 22:10:04 all 66.87 0.00 4.05 0.11 0.11 28.86 22:10:04 0 65.40 0.00 3.84 0.08 0.11 30.57 22:10:04 1 67.91 0.00 3.82 0.14 0.11 28.02 22:10:04 2 67.58 0.00 4.12 0.11 0.11 28.08 22:10:04 3 66.61 0.00 4.42 0.10 0.11 28.77 22:20:19 all 28.69 0.00 1.76 0.15 0.06 69.34 22:20:19 0 25.49 0.00 1.47 0.13 0.06 72.85 22:20:19 1 29.05 0.00 1.56 0.24 0.06 69.10 22:20:19 2 29.40 0.00 1.78 0.08 0.06 68.68 22:20:19 3 30.82 0.00 2.22 0.15 0.06 66.75 Average: all 13.35 0.00 0.86 0.09 0.04 85.67 Average: 0 12.44 0.00 0.79 0.13 0.04 86.60 Average: 1 13.61 0.00 0.78 0.08 0.04 85.49 Average: 2 13.29 0.00 0.86 0.08 0.04 85.73 Average: 3 14.07 0.00 0.99 0.07 0.03 84.84