---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1478 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 603 10777 4 4608 15043 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:22:4d:bc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.190/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84675sec preferred_lft 84675sec inet6 fe80::f816:3eff:fe22:4dbc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:72:98:d2:4f:b6 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-1478) 10/23/25 _x86_64_ (4 CPU) 13:57:09 LINUX RESTART (4 CPU) 14:00:27 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:10:44 17.55 1.68 5.37 10.50 121.29 1842.68 233637.62 14:20:00 3.24 0.20 2.91 0.13 6.66 364.86 19.33 Average: 10.78 0.98 4.21 5.59 67.01 1142.93 123018.79 14:00:27 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:10:44 9342996 12132876 3831996 23.40 108552 2854696 4050568 23.25 483384 6210180 836 14:20:00 10146136 13053656 2910540 17.78 112288 2959516 3102300 17.81 508068 5361660 25012 Average: 9744566 12593266 3371268 20.59 110420 2907106 3576434 20.53 495726 5785920 12924 14:00:27 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:10:44 lo 0.61 0.61 0.37 0.37 0.00 0.00 0.00 0.00 14:10:44 ens3 29.48 24.59 219.64 5.42 0.00 0.00 0.00 0.00 14:10:44 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:00 lo 0.29 0.29 0.03 0.03 0.00 0.00 0.00 0.00 14:20:00 ens3 8.41 5.92 33.00 1.50 0.00 0.00 0.00 0.00 14:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.46 0.46 0.21 0.21 0.00 0.00 0.00 0.00 Average: ens3 19.50 15.75 131.26 3.56 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-1478) 10/23/25 _x86_64_ (4 CPU) 13:57:09 LINUX RESTART (4 CPU) 14:00:27 CPU %user %nice %system %iowait %steal %idle 14:10:44 all 54.68 0.00 0.93 0.10 0.11 44.18 14:10:44 0 54.81 0.00 0.73 0.14 0.11 44.21 14:10:44 1 55.11 0.00 0.96 0.05 0.11 43.76 14:10:44 2 53.80 0.00 1.01 0.14 0.12 44.93 14:10:44 3 54.99 0.00 1.03 0.06 0.11 43.81 14:20:00 all 45.88 0.00 0.54 0.02 0.09 53.47 14:20:00 0 56.59 0.00 0.70 0.01 0.10 42.60 14:20:00 1 34.13 0.00 0.40 0.01 0.07 65.39 14:20:00 2 35.79 0.00 0.49 0.04 0.07 63.61 14:20:00 3 57.02 0.00 0.59 0.03 0.11 42.26 Average: all 50.50 0.00 0.75 0.06 0.10 48.59 Average: 0 55.65 0.00 0.71 0.08 0.11 43.45 Average: 1 45.15 0.00 0.70 0.03 0.09 54.03 Average: 2 45.24 0.00 0.76 0.09 0.10 53.81 Average: 3 55.95 0.00 0.82 0.05 0.11 43.08