---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11978 5.15.0-153-generic #163-Ubuntu SMP Thu Aug 7 16:37:18 UTC 2025 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: 5600.00 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 disabled; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsx async abort: 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 68G 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 640 10567 4 4781 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:26:ea:6f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.77/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84209sec preferred_lft 84209sec inet6 fe80::f816:3eff:fe26:ea6f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 96:50:08:a1:67:44 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 5.15.0-153-generic (prd-ubuntu2204-docker-4c-4g-11978) 11/19/25 _x86_64_ (4 CPU) 19:10:02 LINUX RESTART (4 CPU) 19:20:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:30:03 35.35 4.12 30.48 0.75 247.23 3539.55 1356.67 19:40:00 3.05 0.05 2.89 0.11 6.21 418.96 175.73 Average: 19.24 2.09 16.72 0.43 127.04 1983.39 767.76 19:20:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:30:03 10928520 13844672 2119792 12.95 108080 2983408 2486160 14.27 583456 4538888 25908 19:40:00 10614396 13630756 2332800 14.25 112296 3070368 2608068 14.97 608096 4808052 11240 Average: 10771458 13737714 2226296 13.60 110188 3026888 2547114 14.62 595776 4673470 18574 19:20:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:30:03 lo 0.44 0.44 0.06 0.06 0.00 0.00 0.00 0.00 19:30:03 ens3 77.83 58.05 728.98 11.85 0.00 0.00 0.00 0.00 19:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:00 lo 0.53 0.53 0.37 0.37 0.00 0.00 0.00 0.00 19:40:00 ens3 6.01 4.81 22.88 1.17 0.00 0.00 0.00 0.00 19:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.49 0.49 0.21 0.21 0.00 0.00 0.00 0.00 Average: ens3 42.02 31.50 376.86 6.53 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 5.15.0-153-generic (prd-ubuntu2204-docker-4c-4g-11978) 11/19/25 _x86_64_ (4 CPU) 19:10:02 LINUX RESTART (4 CPU) 19:20:03 CPU %user %nice %system %iowait %steal %idle 19:30:03 all 43.58 0.00 0.99 0.30 0.07 55.07 19:30:03 0 40.06 0.00 0.78 0.09 0.07 59.01 19:30:03 1 42.63 0.00 1.26 0.47 0.08 55.56 19:30:03 2 42.27 0.00 0.84 0.11 0.06 56.73 19:30:03 3 49.36 0.00 1.07 0.52 0.07 48.98 19:40:00 all 43.36 0.00 0.50 0.03 0.07 56.04 19:40:00 0 56.27 0.00 0.61 0.01 0.08 43.03 19:40:00 1 25.27 0.00 0.43 0.07 0.07 74.17 19:40:00 2 27.72 0.00 0.49 0.02 0.07 71.70 19:40:00 3 64.29 0.00 0.46 0.02 0.08 35.16 Average: all 43.47 0.00 0.74 0.16 0.07 55.56 Average: 0 48.14 0.00 0.70 0.05 0.07 51.04 Average: 1 33.93 0.00 0.84 0.27 0.07 64.88 Average: 2 35.02 0.00 0.67 0.06 0.07 64.19 Average: 3 56.81 0.00 0.77 0.27 0.07 42.08