---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53675 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 686 9463 4 5839 14960 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:73:bc:3c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.212/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84722sec preferred_lft 84722sec inet6 fe80::f816:3eff:fe73:bc3c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:16:0c:ff:f7:56 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-53675) 03/28/26 _x86_64_ (4 CPU) 02:34:27 LINUX RESTART (4 CPU) 02:40:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:50:14 11.47 0.03 9.69 1.76 0.71 836.04 18711.97 03:00:14 33.46 0.18 29.13 4.15 5.80 7586.09 28338.31 Average: 22.47 0.11 19.41 2.95 3.25 4211.07 23525.14 02:40:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:50:14 9693500 13066916 2892764 17.67 122844 3381744 3128336 17.96 660644 5628892 36 03:00:14 6355072 12118812 3828688 23.38 161556 5617332 3916460 22.48 1551632 7953084 307528 Average: 8024286 12592864 3360726 20.53 142200 4499538 3522398 20.22 1106138 6790988 153782 02:40:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:50:14 lo 49.47 49.47 12.08 12.08 0.00 0.00 0.00 0.00 02:50:14 ens3 12.10 8.77 9.06 2.75 0.00 0.00 0.00 0.00 02:50:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:00:14 lo 2052.33 2052.33 1959.87 1959.87 0.00 0.00 0.00 0.00 03:00:14 ens3 70.80 54.38 467.55 14.77 0.00 0.00 0.00 0.00 03:00:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1050.90 1050.90 985.98 985.98 0.00 0.00 0.00 0.00 Average: ens3 41.45 31.57 238.30 8.76 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-53675) 03/28/26 _x86_64_ (4 CPU) 02:34:27 LINUX RESTART (4 CPU) 02:40:14 CPU %user %nice %system %iowait %steal %idle 02:50:14 all 21.58 0.00 0.94 0.05 0.09 77.33 02:50:14 0 21.08 0.00 0.94 0.02 0.09 77.87 02:50:14 1 22.18 0.00 1.02 0.02 0.09 76.70 02:50:14 2 21.54 0.00 0.94 0.07 0.09 77.35 02:50:14 3 21.53 0.00 0.87 0.11 0.10 77.39 03:00:14 all 49.16 0.00 2.39 0.41 0.10 47.94 03:00:14 0 47.27 0.00 2.15 0.09 0.10 50.40 03:00:14 1 49.46 0.00 2.67 0.65 0.10 47.12 03:00:14 2 50.76 0.00 2.40 0.81 0.11 45.93 03:00:14 3 49.16 0.00 2.34 0.09 0.10 48.31 Average: all 35.35 0.00 1.66 0.23 0.10 62.65 Average: 0 34.16 0.00 1.54 0.05 0.09 64.15 Average: 1 35.81 0.00 1.84 0.34 0.10 61.92 Average: 2 36.13 0.00 1.67 0.44 0.10 61.66 Average: 3 35.32 0.00 1.60 0.10 0.10 62.88