---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-755 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 669 10603 4 4716 14976 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:4d:1a:e2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.158/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84120sec preferred_lft 84120sec inet6 fe80::f816:3eff:fe4d:1ae2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:8e:62:42:7e:25 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-755) 11/25/25 _x86_64_ (4 CPU) 22:15:06 LINUX RESTART (4 CPU) 22:20:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:30:10 4.70 0.31 4.08 0.31 154.26 283.18 63.65 22:40:07 11.79 2.28 8.42 1.09 138.38 3063.93 2758.76 22:50:15 23.77 0.56 19.63 3.58 19.60 4172.95 9159.87 Average: 13.45 1.04 10.74 1.67 103.75 2508.72 4011.13 22:20:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:30:10 12983672 15401376 576200 3.52 98640 2511808 1342136 7.70 411916 2678176 1352 22:40:07 10234432 13698800 2259420 13.80 140596 3434012 2490876 14.30 696504 5048960 115620 22:50:15 10898312 15365480 585568 3.58 166284 4343600 1084012 6.22 968648 4014916 52 Average: 11372139 14821885 1140396 6.97 135173 3429807 1639008 9.41 692356 3914017 39008 22:20:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:30:10 lo 0.14 0.14 0.01 0.01 0.00 0.00 0.00 0.00 22:30:10 ens3 8.72 5.83 129.84 0.93 0.00 0.00 0.00 0.00 22:30:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:40:07 lo 1.42 1.42 0.14 0.14 0.00 0.00 0.00 0.00 22:40:07 ens3 109.37 82.55 514.10 20.63 0.00 0.00 0.00 0.00 22:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:50:15 lo 1386.00 1386.00 1314.43 1314.43 0.00 0.00 0.00 0.00 22:50:15 ens3 82.76 71.91 388.41 90.80 0.00 0.00 0.00 0.00 22:50:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 466.43 466.43 441.91 441.91 0.00 0.00 0.00 0.00 Average: ens3 66.84 53.37 343.61 37.65 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-755) 11/25/25 _x86_64_ (4 CPU) 22:15:06 LINUX RESTART (4 CPU) 22:20:07 CPU %user %nice %system %iowait %steal %idle 22:30:10 all 0.43 0.00 0.16 0.06 0.02 99.34 22:30:10 0 0.49 0.00 0.15 0.06 0.02 99.27 22:30:10 1 0.27 0.00 0.13 0.05 0.02 99.53 22:30:10 2 0.46 0.00 0.09 0.04 0.02 99.39 22:30:10 3 0.48 0.00 0.25 0.08 0.02 99.17 22:40:07 all 74.18 0.00 2.30 0.13 0.11 23.28 22:40:07 0 73.26 0.00 2.10 0.09 0.11 24.43 22:40:07 1 72.54 0.00 2.27 0.15 0.11 24.93 22:40:07 2 75.87 0.00 2.35 0.12 0.11 21.54 22:40:07 3 75.05 0.00 2.47 0.16 0.11 22.21 22:50:15 all 50.11 0.00 2.11 0.27 0.09 47.43 22:50:15 0 46.69 0.00 1.99 0.12 0.08 51.13 22:50:15 1 50.89 0.00 2.29 0.15 0.09 46.59 22:50:15 2 50.66 0.00 2.38 0.43 0.09 46.44 22:50:15 3 52.19 0.00 1.78 0.37 0.08 45.57 Average: all 41.44 0.00 1.52 0.15 0.07 56.82 Average: 0 40.04 0.00 1.41 0.09 0.07 58.39 Average: 1 41.12 0.00 1.56 0.12 0.07 57.13 Average: 2 42.18 0.00 1.61 0.20 0.07 55.94 Average: 3 42.41 0.00 1.50 0.20 0.07 55.82