---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1394 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 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 640 10270 4 5078 15006 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:c6:c4:53 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.69/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84721sec preferred_lft 84721sec inet6 fe80::f816:3eff:fec6:c453/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9a:b2:63:fb:53:f5 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-1394) 10/23/25 _x86_64_ (4 CPU) 09:09:53 LINUX RESTART (4 CPU) 09:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:20:00 53.10 11.13 40.50 1.48 2051.95 10461.97 3269.89 09:30:00 2.53 0.06 2.38 0.10 6.32 316.41 15.24 Average: 27.79 5.58 21.42 0.79 1027.97 5383.39 1640.71 09:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:20:00 10278452 13512576 2449864 14.96 112048 3292528 2710520 15.56 736736 5024412 10528 09:30:00 10285380 13607124 2354572 14.38 115952 3367876 2620596 15.04 758428 4989644 11208 Average: 10281916 13559850 2402218 14.67 114000 3330202 2665558 15.30 747582 5007028 10868 09:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:20:00 lo 0.63 0.63 0.07 0.07 0.00 0.00 0.00 0.00 09:20:00 ens3 104.91 78.13 1005.25 14.31 0.00 0.00 0.00 0.00 09:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:00 lo 0.51 0.51 0.37 0.37 0.00 0.00 0.00 0.00 09:30:00 ens3 5.30 4.50 21.45 0.92 0.00 0.00 0.00 0.00 09:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.57 0.57 0.22 0.22 0.00 0.00 0.00 0.00 Average: ens3 55.05 41.28 512.79 7.61 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-1394) 10/23/25 _x86_64_ (4 CPU) 09:09:53 LINUX RESTART (4 CPU) 09:10:00 CPU %user %nice %system %iowait %steal %idle 09:20:00 all 45.66 0.00 1.53 1.47 0.11 51.24 09:20:00 0 39.79 0.00 1.53 0.90 0.10 57.68 09:20:00 1 44.37 0.00 1.49 2.31 0.10 51.73 09:20:00 2 46.58 0.00 1.32 0.98 0.10 51.02 09:20:00 3 51.92 0.00 1.77 1.68 0.12 44.51 09:30:00 all 42.14 0.00 0.48 0.07 0.09 57.22 09:30:00 0 27.54 0.00 0.38 0.02 0.08 71.98 09:30:00 1 67.42 0.00 0.55 0.02 0.13 31.88 09:30:00 2 47.18 0.00 0.50 0.13 0.10 52.09 09:30:00 3 26.38 0.00 0.46 0.11 0.07 72.98 Average: all 43.90 0.00 1.00 0.77 0.10 54.24 Average: 0 33.66 0.00 0.96 0.46 0.09 64.84 Average: 1 55.92 0.00 1.02 1.16 0.12 41.79 Average: 2 46.88 0.00 0.91 0.56 0.10 51.56 Average: 3 39.13 0.00 1.12 0.89 0.09 58.77