---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53088 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 13G 66G 16% / 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 639 8714 4 6635 15006 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:39:ac:7d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.197/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84484sec preferred_lft 84484sec inet6 fe80::f816:3eff:fe39:ac7d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:23:61:63:c8:4b 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-53088) 03/26/26 _x86_64_ (4 CPU) 07:53:29 LINUX RESTART (4 CPU) 08:00:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:10:01 24.85 0.03 22.13 2.70 0.66 2257.74 13988.72 08:20:17 24.40 0.04 22.01 2.36 0.74 3982.49 21782.84 Average: 24.62 0.03 22.07 2.52 0.70 3143.35 17990.79 08:00:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:10:01 9282144 13040372 2916940 17.82 145176 3725124 3195476 18.34 774512 5918868 18080 08:20:17 6095572 10800576 5152364 31.47 161256 4613780 5274404 30.28 1054132 8765380 300 Average: 7688858 11920474 4034652 24.64 153216 4169452 4234940 24.31 914322 7342124 9190 08:00:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:10:01 lo 1369.91 1369.91 1299.49 1299.49 0.00 0.00 0.00 0.00 08:10:01 ens3 23.16 19.66 12.06 7.16 0.00 0.00 0.00 0.00 08:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:17 lo 973.20 973.20 3075.26 3075.26 0.00 0.00 0.00 0.00 08:20:17 ens3 23.30 19.50 42.08 6.35 0.00 0.00 0.00 0.00 08:20:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1166.21 1166.21 2211.30 2211.30 0.00 0.00 0.00 0.00 Average: ens3 23.23 19.58 27.47 6.75 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-53088) 03/26/26 _x86_64_ (4 CPU) 07:53:29 LINUX RESTART (4 CPU) 08:00:17 CPU %user %nice %system %iowait %steal %idle 08:10:01 all 66.52 0.00 2.40 0.09 0.09 30.89 08:10:01 0 66.53 0.00 2.10 0.04 0.09 31.25 08:10:01 1 67.47 0.00 2.52 0.18 0.09 29.75 08:10:01 2 65.90 0.00 2.35 0.11 0.09 31.55 08:10:01 3 66.19 0.00 2.64 0.05 0.09 31.03 08:20:17 all 52.25 0.00 2.00 0.10 0.09 45.56 08:20:17 0 48.94 0.00 1.91 0.04 0.09 49.02 08:20:17 1 53.38 0.00 2.27 0.12 0.09 44.14 08:20:17 2 56.36 0.00 1.96 0.17 0.09 41.41 08:20:17 3 50.33 0.00 1.88 0.05 0.09 47.65 Average: all 59.19 0.00 2.20 0.10 0.09 38.42 Average: 0 57.49 0.00 2.00 0.04 0.09 40.38 Average: 1 60.23 0.00 2.39 0.15 0.09 37.14 Average: 2 61.00 0.00 2.15 0.14 0.09 36.61 Average: 3 58.05 0.00 2.25 0.05 0.09 39.56