---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-483822 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 12G 67G 15% / 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 731 9533 4 5723 14915 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:a3:0f:1b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.207/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83998sec preferred_lft 83998sec inet6 fe80::f816:3eff:fea3:f1b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:1a:4a:c9:65:a0 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-483822) 03/15/26 _x86_64_ (4 CPU) 20:24:19 LINUX RESTART (4 CPU) 20:30:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:11 22.84 0.46 19.83 2.55 14.16 4554.51 2507.76 20:50:10 52.15 0.00 41.31 10.84 0.00 2372.15 12385.65 21:00:04 32.07 0.30 26.15 5.62 11.85 4868.76 10453.26 Average: 35.68 0.25 29.10 6.33 8.67 3929.99 8434.14 20:30:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:11 9096860 13250212 2703120 16.51 191188 4017200 2940036 16.88 761936 6048268 104668 20:50:10 8958948 13305996 2643744 16.15 208584 4169508 2795680 16.05 828976 6079648 35284 21:00:04 9897692 15387320 558200 3.41 243352 5215836 1108796 6.36 1206580 4705312 300 Average: 9317833 13981176 1968355 12.02 214375 4467515 2281504 13.10 932497 5611076 46751 20:30:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:11 lo 637.59 637.59 607.13 607.13 0.00 0.00 0.00 0.00 20:40:11 ens3 88.72 65.76 319.56 18.59 0.00 0.00 0.00 0.00 20:40:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:10 lo 5567.45 5567.45 5309.01 5309.01 0.00 0.00 0.00 0.00 20:50:10 ens3 63.69 47.11 22.99 16.72 0.00 0.00 0.00 0.00 20:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:04 lo 2586.83 2586.83 2457.87 2457.87 0.00 0.00 0.00 0.00 21:00:04 ens3 100.70 87.31 110.43 125.31 0.00 0.00 0.00 0.00 21:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2928.20 2928.20 2789.05 2789.05 0.00 0.00 0.00 0.00 Average: ens3 84.33 66.66 151.36 53.27 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-483822) 03/15/26 _x86_64_ (4 CPU) 20:24:19 LINUX RESTART (4 CPU) 20:30:09 CPU %user %nice %system %iowait %steal %idle 20:40:11 all 68.28 0.00 2.76 0.06 0.09 28.81 20:40:11 0 69.61 0.00 3.13 0.06 0.09 27.11 20:40:11 1 65.48 0.00 2.47 0.05 0.09 31.91 20:40:11 2 67.23 0.00 2.62 0.08 0.09 29.98 20:40:11 3 70.82 0.00 2.84 0.03 0.09 26.21 20:50:10 all 62.14 0.00 4.49 0.10 0.08 33.19 20:50:10 0 61.14 0.00 4.53 0.07 0.08 34.18 20:50:10 1 61.78 0.00 4.57 0.13 0.08 33.44 20:50:10 2 63.55 0.00 4.22 0.14 0.08 32.01 20:50:10 3 62.09 0.00 4.64 0.07 0.08 33.11 21:00:04 all 52.27 0.00 3.05 0.11 0.07 44.50 21:00:04 0 49.49 0.00 3.01 0.26 0.07 47.17 21:00:04 1 53.50 0.00 2.85 0.03 0.07 43.54 21:00:04 2 55.42 0.00 3.22 0.07 0.07 41.21 21:00:04 3 50.67 0.00 3.11 0.07 0.07 46.08 Average: all 60.93 0.00 3.43 0.09 0.08 35.46 Average: 0 60.12 0.00 3.56 0.13 0.08 36.11 Average: 1 60.28 0.00 3.30 0.07 0.08 36.27 Average: 2 62.10 0.00 3.35 0.10 0.08 34.38 Average: 3 61.23 0.00 3.53 0.06 0.08 35.09