---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2311 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 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 645 10850 4 4493 15000 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:29:b9:3c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.95/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84935sec preferred_lft 84935sec inet6 fe80::f816:3eff:fe29:b93c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 86:21:b5:ca:1c:f2 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-2311) 11/29/25 _x86_64_ (4 CPU) 12:49:25 LINUX RESTART (4 CPU) 12:50:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:00:15 32.16 3.47 16.78 11.91 815.90 4532.98 262100.72 13:10:22 9.12 0.52 8.06 0.54 18.84 1501.90 1537.45 Average: 20.60 1.99 12.41 6.20 415.90 3011.83 131336.63 12:50:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:00:15 8609656 11918156 4043720 24.70 112336 3364072 4268420 24.50 750744 6675552 124 13:10:22 8247200 12226556 3731556 22.79 129836 3981324 4126896 23.69 933420 6811672 282692 Average: 8428428 12072356 3887638 23.74 121086 3672698 4197658 24.09 842082 6743612 141408 12:50:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:00:15 lo 0.84 0.84 0.41 0.41 0.00 0.00 0.00 0.00 13:00:15 ens3 74.59 58.21 972.66 9.10 0.00 0.00 0.00 0.00 13:00:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:22 lo 221.84 221.84 210.92 210.92 0.00 0.00 0.00 0.00 13:10:22 ens3 37.57 28.24 416.78 4.82 0.00 0.00 0.00 0.00 13:10:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 111.75 111.75 106.06 106.06 0.00 0.00 0.00 0.00 Average: ens3 56.01 43.17 693.69 6.95 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-2311) 11/29/25 _x86_64_ (4 CPU) 12:49:25 LINUX RESTART (4 CPU) 12:50:12 CPU %user %nice %system %iowait %steal %idle 13:00:15 all 50.44 0.00 1.45 0.36 0.10 47.65 13:00:15 0 56.74 0.00 1.46 0.36 0.10 41.34 13:00:15 1 48.83 0.00 1.20 0.44 0.10 49.43 13:00:15 2 46.50 0.00 1.26 0.27 0.09 51.89 13:00:15 3 49.67 0.00 1.90 0.37 0.09 47.96 13:10:22 all 46.13 0.00 0.91 0.05 0.09 52.82 13:10:22 0 51.53 0.00 0.86 0.04 0.10 47.48 13:10:22 1 39.23 0.00 0.94 0.05 0.09 59.70 13:10:22 2 43.86 0.00 0.83 0.08 0.10 55.14 13:10:22 3 49.93 0.00 1.02 0.03 0.08 48.94 Average: all 48.27 0.00 1.18 0.20 0.09 50.25 Average: 0 54.13 0.00 1.16 0.20 0.10 44.42 Average: 1 44.01 0.00 1.07 0.24 0.09 54.59 Average: 2 45.17 0.00 1.04 0.17 0.10 53.52 Average: 3 49.80 0.00 1.46 0.20 0.09 48.45