---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-394 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 9.9G 68G 13% / 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 625 10803 4 4560 15021 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:45:df:6c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.42/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84549sec preferred_lft 84549sec inet6 fe80::f816:3eff:fe45:df6c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e6:77:05:94:d2:9f 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-394) 10/20/25 _x86_64_ (4 CPU) 10:44:25 LINUX RESTART (4 CPU) 10:50:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:00:06 1.48 0.01 1.44 0.04 0.04 20.02 735.47 11:10:10 37.31 4.27 31.98 1.06 255.52 3875.88 2664.57 Average: 19.53 2.15 16.83 0.55 128.74 1962.44 1707.27 10:50:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:00:06 13321496 15528096 484508 2.96 60200 2369560 1133504 6.51 467324 2325676 168 11:10:10 10314896 13638104 2323180 14.19 122488 3357392 2636192 15.13 766288 4930648 14504 Average: 11818196 14583100 1403844 8.57 91344 2863476 1884848 10.82 616806 3628162 7336 10:50:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:00:06 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 11:00:06 ens3 0.30 0.11 0.06 0.02 0.00 0.00 0.00 0.00 11:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:10 lo 0.93 0.93 0.09 0.09 0.00 0.00 0.00 0.00 11:10:10 ens3 84.34 64.28 580.74 14.14 0.00 0.00 0.00 0.00 11:10:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.52 0.52 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 42.64 32.44 292.58 7.13 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-394) 10/20/25 _x86_64_ (4 CPU) 10:44:25 LINUX RESTART (4 CPU) 10:50:10 CPU %user %nice %system %iowait %steal %idle 11:00:06 all 0.09 0.00 0.02 0.01 0.01 99.87 11:00:06 0 0.01 0.00 0.01 0.01 0.01 99.97 11:00:06 1 0.33 0.00 0.03 0.02 0.02 99.60 11:00:06 2 0.01 0.00 0.01 0.00 0.00 99.97 11:00:06 3 0.02 0.00 0.03 0.01 0.01 99.94 11:10:10 all 38.45 0.00 1.34 0.33 0.06 59.82 11:10:10 0 40.07 0.00 1.31 0.16 0.07 58.39 11:10:10 1 38.83 0.00 1.41 0.57 0.06 59.13 11:10:10 2 36.53 0.00 1.35 0.41 0.06 61.66 11:10:10 3 38.39 0.00 1.30 0.17 0.07 60.08 Average: all 19.40 0.00 0.68 0.17 0.04 79.71 Average: 0 20.17 0.00 0.66 0.08 0.04 79.04 Average: 1 19.70 0.00 0.73 0.30 0.04 79.23 Average: 2 18.39 0.00 0.68 0.21 0.03 80.69 Average: 3 19.32 0.00 0.67 0.09 0.04 79.88