---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2496 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 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 674 10616 4 4698 14972 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:27:cd:3b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.59/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84964sec preferred_lft 84964sec inet6 fe80::f816:3eff:fe27:cd3b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:23:25:97:1d:77 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-2496) 10/27/25 _x86_64_ (4 CPU) 15:17:00 LINUX RESTART (4 CPU) 15:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:30:19 13.13 1.16 10.62 1.35 350.84 3564.15 2603.06 15:40:01 24.51 0.55 20.07 3.89 19.27 3813.38 5873.56 Average: 18.65 0.87 15.20 2.58 190.03 3685.03 4189.26 15:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:30:19 9546100 13079164 2879340 17.59 140708 3499684 3207648 18.41 745056 5679336 38676 15:40:01 10979604 15429748 522108 3.19 163244 4334892 1025240 5.88 1002568 3893776 3072 Average: 10262852 14254456 1700724 10.39 151976 3917288 2116444 12.15 873812 4786556 20874 15:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:30:19 lo 1.42 1.42 0.15 0.15 0.00 0.00 0.00 0.00 15:30:19 ens3 71.81 55.29 199.59 16.80 0.00 0.00 0.00 0.00 15:30:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:40:01 lo 1567.58 1567.58 1483.28 1483.28 0.00 0.00 0.00 0.00 15:40:01 ens3 115.88 102.34 407.79 193.05 0.00 0.00 0.00 0.00 15:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 761.01 761.01 719.47 719.47 0.00 0.00 0.00 0.00 Average: ens3 93.18 78.11 300.57 102.28 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-2496) 10/27/25 _x86_64_ (4 CPU) 15:17:00 LINUX RESTART (4 CPU) 15:20:01 CPU %user %nice %system %iowait %steal %idle 15:30:19 all 75.47 0.00 2.36 0.05 0.09 22.02 15:30:19 0 76.22 0.00 2.18 0.05 0.09 21.46 15:30:19 1 75.27 0.00 2.58 0.04 0.09 22.03 15:30:19 2 74.42 0.00 2.44 0.09 0.09 22.97 15:30:19 3 75.99 0.00 2.24 0.04 0.09 21.63 15:40:01 all 51.02 0.00 2.28 1.18 0.09 45.43 15:40:01 0 50.92 0.00 2.15 1.55 0.09 45.30 15:40:01 1 48.02 0.00 2.05 2.75 0.09 47.08 15:40:01 2 58.03 0.00 2.67 0.19 0.09 39.01 15:40:01 3 47.12 0.00 2.24 0.21 0.09 50.34 Average: all 63.62 0.00 2.32 0.60 0.09 33.37 Average: 0 63.95 0.00 2.17 0.78 0.09 33.02 Average: 1 62.04 0.00 2.33 1.35 0.09 34.19 Average: 2 66.47 0.00 2.55 0.14 0.09 30.75 Average: 3 62.00 0.00 2.24 0.13 0.09 35.54