---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12411 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: 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 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 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 655 10399 4 4934 14991 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:af:e4:35 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.15/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84812sec preferred_lft 84812sec inet6 fe80::f816:3eff:feaf:e435/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c6:7b:a5:c8:c6:9a 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-4g-12411) 12/11/25 _x86_64_ (4 CPU) 00:26:15 LINUX RESTART (4 CPU) 00:30:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:01 7.93 0.49 6.88 0.56 413.24 1236.85 7212.63 00:50:03 18.68 0.53 16.76 1.39 19.02 2232.51 5155.20 Average: 13.33 0.51 11.84 0.98 215.27 1736.86 6179.41 00:30:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:01 8239088 11369468 4592140 28.05 115384 3169420 4680664 26.87 648940 7134744 308 00:50:03 9185092 13035928 2921316 17.84 135324 3830904 3118636 17.90 858728 5924688 272692 Average: 8712090 12202698 3756728 22.94 125354 3500162 3899650 22.38 753834 6529716 136500 00:30:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:01 lo 0.65 0.65 0.38 0.38 0.00 0.00 0.00 0.00 00:40:01 ens3 28.36 19.38 253.41 3.67 0.00 0.00 0.00 0.00 00:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:03 lo 494.07 494.07 470.73 470.73 0.00 0.00 0.00 0.00 00:50:03 ens3 40.20 28.43 408.75 5.20 0.00 0.00 0.00 0.00 00:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 248.44 248.44 236.59 236.59 0.00 0.00 0.00 0.00 Average: ens3 34.31 23.92 331.42 4.44 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-4g-12411) 12/11/25 _x86_64_ (4 CPU) 00:26:15 LINUX RESTART (4 CPU) 00:30:03 CPU %user %nice %system %iowait %steal %idle 00:40:01 all 45.29 0.00 0.76 0.17 0.08 53.70 00:40:01 0 36.64 0.00 0.86 0.28 0.09 62.14 00:40:01 1 47.82 0.00 0.73 0.05 0.08 51.32 00:40:01 2 37.63 0.00 0.73 0.29 0.08 61.28 00:40:01 3 59.07 0.00 0.73 0.05 0.08 40.06 00:50:03 all 53.51 0.00 1.30 0.16 0.09 44.94 00:50:03 0 49.14 0.00 1.31 0.10 0.10 49.35 00:50:03 1 45.39 0.00 1.21 0.12 0.08 53.20 00:50:03 2 53.92 0.00 1.61 0.27 0.09 44.11 00:50:03 3 65.59 0.00 1.07 0.13 0.09 33.11 Average: all 49.41 0.00 1.03 0.16 0.09 49.31 Average: 0 42.91 0.00 1.08 0.19 0.09 55.73 Average: 1 46.60 0.00 0.97 0.09 0.08 52.26 Average: 2 45.81 0.00 1.17 0.28 0.08 52.66 Average: 3 62.34 0.00 0.90 0.09 0.09 36.57