---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-870 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 12G 67G 15% / 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 670 9159 4 6160 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:b5:21:fa brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.52/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84181sec preferred_lft 84181sec inet6 fe80::f816:3eff:feb5:21fa/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e6:ec:6c:b0:26:64 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-870) 10/21/25 _x86_64_ (4 CPU) 09:49:01 LINUX RESTART (4 CPU) 09:50:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:00:18 54.51 5.23 46.09 3.18 932.97 6079.85 33181.53 10:10:01 24.33 0.02 10.74 13.57 0.44 947.92 288898.07 10:20:11 26.66 0.18 22.73 3.75 4.62 2548.55 28020.48 Average: 35.22 1.82 26.64 6.76 313.88 3209.07 114667.42 09:50:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:00:18 10159336 13678380 2281384 13.93 123100 3539256 2554656 14.66 891548 4957868 6684 10:10:01 9335992 13071964 2885456 17.62 135764 3724044 3110292 17.85 946260 5685988 628 10:20:11 7320292 12931624 3017700 18.43 160104 5497672 3001864 17.23 1671392 6890576 1273052 Average: 8938540 13227323 2728180 16.66 139656 4253657 2888937 16.58 1169733 5844811 426788 09:50:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:00:18 lo 0.63 0.63 0.08 0.08 0.00 0.00 0.00 0.00 10:00:18 ens3 137.49 98.14 946.23 16.73 0.00 0.00 0.00 0.00 10:00:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:01 lo 39.74 39.74 9.60 9.60 0.00 0.00 0.00 0.00 10:10:01 ens3 14.03 10.98 12.70 3.51 0.00 0.00 0.00 0.00 10:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:11 lo 1556.68 1556.68 1466.27 1466.27 0.00 0.00 0.00 0.00 10:20:11 ens3 56.62 44.60 318.16 11.55 0.00 0.00 0.00 0.00 10:20:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 542.24 542.24 501.52 501.52 0.00 0.00 0.00 0.00 Average: ens3 69.82 51.57 428.88 10.67 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-870) 10/21/25 _x86_64_ (4 CPU) 09:49:01 LINUX RESTART (4 CPU) 09:50:18 CPU %user %nice %system %iowait %steal %idle 10:00:18 all 19.82 0.00 1.33 1.22 0.07 77.56 10:00:18 0 19.39 0.00 1.26 0.86 0.06 78.43 10:00:18 1 19.06 0.00 1.37 1.54 0.10 77.93 10:00:18 2 20.35 0.00 1.72 0.94 0.06 76.93 10:00:18 3 20.49 0.00 0.95 1.54 0.07 76.95 10:10:01 all 25.31 0.00 1.02 0.50 0.10 73.07 10:10:01 0 25.48 0.00 0.96 0.23 0.09 73.24 10:10:01 1 26.04 0.00 0.94 1.36 0.09 71.57 10:10:01 2 24.61 0.00 0.99 0.17 0.13 74.10 10:10:01 3 25.11 0.00 1.18 0.23 0.09 73.39 10:20:11 all 42.80 0.00 2.19 0.24 0.09 54.67 10:20:11 0 40.66 0.00 2.20 0.13 0.09 56.92 10:20:11 1 43.90 0.00 2.31 0.29 0.09 53.41 10:20:11 2 43.57 0.00 2.17 0.24 0.09 53.92 10:20:11 3 43.08 0.00 2.09 0.31 0.10 54.43 Average: all 29.42 0.00 1.52 0.65 0.09 68.32 Average: 0 28.60 0.00 1.48 0.41 0.08 69.43 Average: 1 29.78 0.00 1.55 1.06 0.09 67.52 Average: 2 29.62 0.00 1.64 0.45 0.09 68.20 Average: 3 29.68 0.00 1.41 0.69 0.09 68.13