---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2464 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 657 10540 4 4790 14988 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:cd:0c:c2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.133/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 85094sec preferred_lft 85094sec inet6 fe80::f816:3eff:fecd:cc2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:e0:81:8a:68:26 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-2464) 10/27/25 _x86_64_ (4 CPU) 10:59:38 LINUX RESTART (4 CPU) 11:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:10:08 65.03 10.34 42.18 12.51 1926.77 9334.80 250016.77 11:20:05 20.39 0.52 16.75 3.12 16.04 2799.26 12922.48 Average: 42.91 5.47 29.58 7.86 979.94 6096.24 132529.12 11:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:10:08 10133692 13671896 2287388 13.97 132256 3541864 2578028 14.80 819588 5040676 40640 11:20:05 10925948 15462436 490012 2.99 159648 4441124 993224 5.70 1109812 3882424 332576 Average: 10529820 14567166 1388700 8.48 145952 3991494 1785626 10.25 964700 4461550 186608 11:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:10:08 lo 1.39 1.39 0.16 0.16 0.00 0.00 0.00 0.00 11:10:08 ens3 122.11 92.57 917.32 19.65 0.00 0.00 0.00 0.00 11:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:05 lo 1695.97 1695.97 1616.35 1616.35 0.00 0.00 0.00 0.00 11:20:05 ens3 56.06 46.99 398.64 10.62 0.00 0.00 0.00 0.00 11:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 841.11 841.11 801.03 801.03 0.00 0.00 0.00 0.00 Average: ens3 89.38 69.98 660.30 15.17 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-2464) 10/27/25 _x86_64_ (4 CPU) 10:59:38 LINUX RESTART (4 CPU) 11:00:00 CPU %user %nice %system %iowait %steal %idle 11:10:08 all 64.74 0.00 2.50 1.75 0.15 30.87 11:10:08 0 65.42 0.00 2.81 1.98 0.15 29.64 11:10:08 1 63.33 0.00 2.23 1.45 0.15 32.85 11:10:08 2 65.53 0.00 2.67 2.99 0.15 28.65 11:10:08 3 64.68 0.00 2.28 0.56 0.14 32.34 11:20:05 all 66.33 0.00 2.80 2.15 0.20 28.52 11:20:05 0 66.05 0.00 2.98 1.83 0.20 28.94 11:20:05 1 65.57 0.00 2.85 3.33 0.23 28.01 11:20:05 2 67.77 0.00 2.65 1.80 0.18 27.61 11:20:05 3 65.94 0.00 2.70 1.65 0.21 29.51 Average: all 65.53 0.00 2.65 1.95 0.17 29.70 Average: 0 65.73 0.00 2.89 1.91 0.17 29.29 Average: 1 64.44 0.00 2.54 2.38 0.19 30.45 Average: 2 66.64 0.00 2.66 2.40 0.16 28.13 Average: 3 65.30 0.00 2.49 1.10 0.17 30.94