---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-488809 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: 5599.86 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 607 10540 4 4841 15039 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:f3:ee:48 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.181/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84759sec preferred_lft 84759sec inet6 fe80::f816:3eff:fef3:ee48/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:61:63:37:7e:4a 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-488809) 03/16/26 _x86_64_ (4 CPU) 09:37:13 LINUX RESTART (4 CPU) 09:40:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:50:26 7.36 0.70 6.28 0.38 40.90 1490.00 590.86 10:00:03 3.69 0.18 3.39 0.12 5.64 492.53 19.05 Average: 5.58 0.45 4.88 0.25 23.77 1005.34 313.02 09:40:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:50:26 9148016 12166836 3795312 23.18 113908 3069332 4005788 22.99 501656 6375900 1660 10:00:03 10519492 13680968 2280332 13.93 118596 3195924 2430768 13.95 531500 4951708 11724 Average: 9833754 12923902 3037822 18.55 116252 3132628 3218278 18.47 516578 5663804 6692 09:40:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:50:26 lo 0.66 0.66 0.38 0.38 0.00 0.00 0.00 0.00 09:50:26 ens3 25.39 20.37 195.24 3.49 0.00 0.00 0.00 0.00 09:50:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:03 lo 0.43 0.43 0.03 0.03 0.00 0.00 0.00 0.00 10:00:03 ens3 7.16 5.48 31.59 1.30 0.00 0.00 0.00 0.00 10:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.55 0.55 0.21 0.21 0.00 0.00 0.00 0.00 Average: ens3 16.53 13.14 115.72 2.42 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-488809) 03/16/26 _x86_64_ (4 CPU) 09:37:13 LINUX RESTART (4 CPU) 09:40:15 CPU %user %nice %system %iowait %steal %idle 09:50:26 all 51.26 0.00 0.89 0.04 0.08 47.73 09:50:26 0 47.31 0.00 0.94 0.09 0.08 51.58 09:50:26 1 57.40 0.00 0.84 0.01 0.07 41.67 09:50:26 2 55.13 0.00 0.82 0.02 0.08 43.95 09:50:26 3 45.21 0.00 0.96 0.03 0.08 53.73 10:00:03 all 53.04 0.00 0.57 0.01 0.08 46.29 10:00:03 0 66.54 0.00 0.65 0.01 0.08 32.73 10:00:03 1 38.58 0.00 0.67 0.03 0.09 60.63 10:00:03 2 61.73 0.00 0.48 0.00 0.07 37.71 10:00:03 3 45.30 0.00 0.50 0.01 0.08 54.11 Average: all 52.13 0.00 0.74 0.03 0.08 47.03 Average: 0 56.65 0.00 0.80 0.05 0.08 42.42 Average: 1 48.26 0.00 0.76 0.02 0.08 50.88 Average: 2 58.34 0.00 0.66 0.01 0.08 40.92 Average: 3 45.25 0.00 0.74 0.02 0.08 53.92