---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-231996 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 11G 67G 14% / 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 620 10639 4 4729 15026 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:b9:fc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.148/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84824sec preferred_lft 84824sec inet6 fe80::f816:3eff:fea3:b9fc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ae:24:0c:db:29:3a 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-231996) 03/08/26 _x86_64_ (4 CPU) 02:24:15 LINUX RESTART (4 CPU) 02:30:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:40:18 3.43 0.06 3.22 0.15 6.63 978.28 33.19 02:50:23 25.42 0.60 22.34 2.48 30.30 6570.10 7951.19 Average: 14.41 0.33 12.77 1.31 18.45 3770.06 3986.34 02:30:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:40:18 9751648 12704824 3259072 19.91 113600 3003428 3475448 19.95 499776 5775404 356 02:50:23 10859808 15347624 610428 3.73 137660 4454052 1124596 6.46 877672 4229064 11952 Average: 10305728 14026224 1934750 11.82 125630 3728740 2300022 13.20 688724 5002234 6154 02:30:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:40:18 lo 0.57 0.57 0.37 0.37 0.00 0.00 0.00 0.00 02:40:18 ens3 9.37 7.48 35.64 2.05 0.00 0.00 0.00 0.00 02:40:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:50:23 lo 501.78 501.78 478.08 478.08 0.00 0.00 0.00 0.00 02:50:23 ens3 47.75 37.55 481.60 17.87 0.00 0.00 0.00 0.00 02:50:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 250.81 250.81 238.87 238.87 0.00 0.00 0.00 0.00 Average: ens3 28.54 22.49 258.29 9.95 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-231996) 03/08/26 _x86_64_ (4 CPU) 02:24:15 LINUX RESTART (4 CPU) 02:30:11 CPU %user %nice %system %iowait %steal %idle 02:40:18 all 49.11 0.00 0.64 0.01 0.08 50.15 02:40:18 0 42.03 0.00 0.53 0.01 0.07 57.35 02:40:18 1 44.25 0.00 0.65 0.02 0.08 55.00 02:40:18 2 54.73 0.00 0.77 0.01 0.09 44.40 02:40:18 3 55.46 0.00 0.62 0.01 0.08 43.84 02:50:23 all 54.93 0.00 1.42 0.15 0.08 43.41 02:50:23 0 45.67 0.00 1.51 0.16 0.08 52.58 02:50:23 1 62.91 0.00 1.35 0.14 0.08 35.51 02:50:23 2 47.26 0.00 1.40 0.26 0.08 51.01 02:50:23 3 63.88 0.00 1.43 0.06 0.08 34.55 Average: all 52.02 0.00 1.03 0.08 0.08 46.79 Average: 0 43.85 0.00 1.02 0.08 0.08 54.97 Average: 1 53.57 0.00 1.00 0.08 0.08 45.27 Average: 2 51.00 0.00 1.08 0.13 0.08 47.70 Average: 3 59.66 0.00 1.02 0.04 0.08 39.20