---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1426 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: 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 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 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 620 10228 4 5141 15026 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:a1:7b:39 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.218/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84810sec preferred_lft 84810sec inet6 fe80::f816:3eff:fea1:7b39/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:f4:b9:94:68:af 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-1426) 10/23/25 _x86_64_ (4 CPU) 11:47:01 LINUX RESTART (4 CPU) 11:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:00:18 31.18 12.36 7.68 11.14 793.40 1615.21 249423.37 12:10:01 9.41 0.54 8.32 0.56 19.57 1621.32 673.18 Average: 20.61 6.62 7.99 6.00 417.48 1618.18 128582.07 11:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:00:18 8046364 11386232 4574592 27.94 116784 3375980 4707900 27.02 790672 7167684 480 12:10:01 8915608 12935760 3021260 18.45 134428 4001328 3195104 18.34 974276 6072048 271724 Average: 8480986 12160996 3797926 23.20 125606 3688654 3951502 22.68 882474 6619866 136102 11:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:00:18 lo 0.63 0.63 0.37 0.37 0.00 0.00 0.00 0.00 12:00:18 ens3 25.68 18.22 279.13 2.97 0.00 0.00 0.00 0.00 12:00:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:01 lo 197.91 197.91 188.15 188.15 0.00 0.00 0.00 0.00 12:10:01 ens3 32.56 25.26 416.63 3.52 0.00 0.00 0.00 0.00 12:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 96.47 96.47 91.59 91.59 0.00 0.00 0.00 0.00 Average: ens3 29.02 21.64 345.93 3.24 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-1426) 10/23/25 _x86_64_ (4 CPU) 11:47:01 LINUX RESTART (4 CPU) 11:50:01 CPU %user %nice %system %iowait %steal %idle 12:00:18 all 50.26 0.08 0.99 0.21 0.09 48.38 12:00:18 0 41.35 0.03 0.96 0.21 0.09 57.36 12:00:18 1 63.04 0.00 0.91 0.08 0.09 35.86 12:00:18 2 48.89 0.02 0.98 0.07 0.08 49.96 12:00:18 3 47.75 0.27 1.10 0.47 0.08 50.33 12:10:01 all 53.15 0.00 0.94 0.08 0.09 45.74 12:10:01 0 37.47 0.00 0.95 0.12 0.09 61.37 12:10:01 1 70.96 0.00 0.93 0.14 0.10 27.87 12:10:01 2 43.77 0.00 1.00 0.02 0.08 55.13 12:10:01 3 60.37 0.00 0.85 0.05 0.09 38.64 Average: all 51.66 0.04 0.96 0.15 0.09 47.10 Average: 0 39.47 0.01 0.96 0.17 0.09 59.31 Average: 1 66.89 0.00 0.92 0.11 0.10 31.98 Average: 2 46.41 0.01 0.99 0.05 0.08 52.47 Average: 3 53.88 0.14 0.98 0.27 0.09 44.65