---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-12522 5.15.0-161-generic #171-Ubuntu SMP Sat Oct 11 08:17:01 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 conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: 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 17G 61G 22% / 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 696 11761 4 3531 14950 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:ea:0f:04 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.87/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 85040sec preferred_lft 85040sec inet6 fe80::f816:3eff:feea:f04/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:b1:55:cd:5b:c7 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-16g-12522) 12/11/25 _x86_64_ (4 CPU) 07:09:34 LINUX RESTART (4 CPU) 07:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:20:01 144.89 11.13 128.36 5.41 1561.56 37798.80 20271.66 07:30:08 67.86 22.46 43.05 2.36 339.19 3834.69 1985.98 Average: 106.22 16.82 85.53 3.88 947.92 20748.43 11092.03 07:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:20:01 1794316 13064000 2856696 17.45 258544 10753516 3576832 20.53 2083784 11662080 512336 07:30:08 5197720 8371748 7561632 46.18 266144 2907656 8782296 50.41 2105068 8506508 2996 Average: 3496018 10717874 5209164 31.82 262344 6830586 6179564 35.47 2094426 10084294 257666 07:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:20:01 lo 3.11 3.11 2.39 2.39 0.00 0.00 0.00 0.00 07:20:01 ens3 171.66 128.69 2124.99 17.52 0.00 0.00 0.00 0.00 07:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:08 lo 42.59 42.59 25.82 25.82 0.00 0.00 0.00 0.00 07:30:08 ens3 2.01 2.13 0.47 0.42 0.00 0.00 0.00 0.00 07:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 22.93 22.93 14.15 14.15 0.00 0.00 0.00 0.00 Average: ens3 86.49 65.16 1058.45 8.94 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-16g-12522) 12/11/25 _x86_64_ (4 CPU) 07:09:34 LINUX RESTART (4 CPU) 07:10:00 CPU %user %nice %system %iowait %steal %idle 07:20:01 all 45.22 0.00 2.60 1.91 0.09 50.17 07:20:01 0 45.23 0.00 2.85 1.43 0.10 50.39 07:20:01 1 43.54 0.00 2.39 2.65 0.09 51.33 07:20:01 2 47.02 0.00 2.71 1.87 0.09 48.31 07:20:01 3 45.07 0.00 2.46 1.70 0.09 50.67 07:30:08 all 57.33 0.00 2.15 3.10 0.11 37.32 07:30:08 0 56.25 0.00 2.29 2.84 0.11 38.51 07:30:08 1 57.56 0.00 2.37 2.86 0.11 37.10 07:30:08 2 57.89 0.00 2.09 3.56 0.11 36.36 07:30:08 3 57.61 0.00 1.85 3.14 0.11 37.30 Average: all 51.29 0.00 2.37 2.51 0.10 43.73 Average: 0 50.75 0.00 2.57 2.14 0.11 44.44 Average: 1 50.56 0.00 2.38 2.76 0.10 44.20 Average: 2 52.47 0.00 2.40 2.72 0.10 42.32 Average: 3 51.36 0.00 2.15 2.42 0.10 43.97