---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-480929 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 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 652 8864 4 6473 14994 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:90:62:c0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.43/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84592sec preferred_lft 84592sec inet6 fe80::f816:3eff:fe90:62c0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:60:c0:af:d6:2e 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-480929) 03/15/26 _x86_64_ (4 CPU) 12:41:50 LINUX RESTART (4 CPU) 12:50:30 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:00:30 26.49 0.01 23.76 2.72 0.19 2295.57 25145.69 13:10:23 16.23 0.03 14.69 1.50 0.38 3580.20 17686.23 Average: 21.39 0.02 19.25 2.11 0.28 2934.19 21437.40 12:50:30 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:00:30 8705248 12679788 3276060 20.01 151072 3917808 3296988 18.92 769980 6468972 207060 13:10:23 7198892 13008128 2941216 17.96 166984 5675768 2939684 16.87 1443812 7215452 1184524 Average: 7952070 12843958 3108638 18.99 159028 4796788 3118336 17.90 1106896 6842212 695792 12:50:30 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:00:30 lo 1189.57 1189.57 1133.15 1133.15 0.00 0.00 0.00 0.00 13:00:30 ens3 22.46 20.48 38.06 6.46 0.00 0.00 0.00 0.00 13:00:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:23 lo 719.35 719.35 7374.38 7374.38 0.00 0.00 0.00 0.00 13:10:23 ens3 19.54 16.55 89.05 4.63 0.00 0.00 0.00 0.00 13:10:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 955.81 955.81 4235.82 4235.82 0.00 0.00 0.00 0.00 Average: ens3 21.01 18.53 63.41 5.55 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-480929) 03/15/26 _x86_64_ (4 CPU) 12:41:50 LINUX RESTART (4 CPU) 12:50:30 CPU %user %nice %system %iowait %steal %idle 13:00:30 all 66.08 0.00 2.39 0.06 0.09 31.38 13:00:30 0 65.18 0.00 2.33 0.08 0.08 32.32 13:00:30 1 67.60 0.00 2.56 0.04 0.09 29.70 13:00:30 2 64.73 0.00 2.28 0.07 0.09 32.84 13:00:30 3 66.79 0.00 2.39 0.07 0.09 30.67 13:10:23 all 45.20 0.00 1.75 0.09 0.08 52.88 13:10:23 0 44.66 0.00 1.52 0.06 0.08 53.68 13:10:23 1 51.32 0.00 1.80 0.13 0.08 46.67 13:10:23 2 45.27 0.00 1.85 0.12 0.08 52.68 13:10:23 3 39.55 0.00 1.84 0.05 0.07 58.49 Average: all 55.69 0.00 2.07 0.08 0.08 42.08 Average: 0 54.97 0.00 1.93 0.07 0.08 42.95 Average: 1 59.50 0.00 2.18 0.09 0.08 38.15 Average: 2 55.05 0.00 2.07 0.09 0.08 42.71 Average: 3 53.24 0.00 2.12 0.06 0.08 44.51