---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6794 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: 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 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 679 9103 4 6206 14967 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:61:55:86 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.79/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84636sec preferred_lft 84636sec inet6 fe80::f816:3eff:fe61:5586/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:07:47:56:df:71 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-6794) 11/07/25 _x86_64_ (4 CPU) 18:42:58 LINUX RESTART (4 CPU) 18:50:42 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:00:36 11.53 0.01 9.65 1.87 0.18 772.24 43686.90 19:10:00 62.35 13.07 32.15 17.13 155.42 8678.06 280372.95 Average: 36.29 6.37 20.61 9.31 75.81 4623.89 158998.37 18:50:42 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:00:36 9326372 13109124 2847776 17.39 135112 3765816 3112464 17.87 947768 5692208 24 19:10:00 9377720 15374404 570800 3.49 176364 5823132 1093792 6.28 1866632 4586392 88 Average: 9352046 14241764 1709288 10.44 155738 4794474 2103128 12.07 1407200 5139300 56 18:50:42 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:00:36 lo 55.07 55.07 14.00 14.00 0.00 0.00 0.00 0.00 19:00:36 ens3 8.04 6.14 4.59 1.83 0.00 0.00 0.00 0.00 19:00:36 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:10:00 lo 2381.54 2381.54 2291.66 2291.66 0.00 0.00 0.00 0.00 19:10:00 ens3 89.11 72.70 483.85 134.81 0.00 0.00 0.00 0.00 19:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1188.51 1188.51 1123.65 1123.65 0.00 0.00 0.00 0.00 Average: ens3 47.54 38.57 238.08 66.61 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-6794) 11/07/25 _x86_64_ (4 CPU) 18:42:58 LINUX RESTART (4 CPU) 18:50:42 CPU %user %nice %system %iowait %steal %idle 19:00:36 all 16.49 0.00 0.78 0.07 0.08 82.58 19:00:36 0 16.38 0.00 0.90 0.06 0.08 82.58 19:00:36 1 15.99 0.00 0.73 0.13 0.08 83.08 19:00:36 2 16.36 0.00 0.71 0.06 0.08 82.79 19:00:36 3 17.21 0.00 0.77 0.05 0.08 81.88 19:10:00 all 52.38 0.07 2.68 0.37 0.08 44.41 19:10:00 0 54.73 0.04 2.83 0.27 0.08 42.04 19:10:00 1 48.93 0.25 2.48 0.53 0.08 47.74 19:10:00 2 51.26 0.00 2.59 0.21 0.09 45.85 19:10:00 3 54.60 0.00 2.81 0.49 0.09 42.01 Average: all 33.96 0.04 1.70 0.22 0.08 64.00 Average: 0 35.06 0.02 1.84 0.16 0.08 62.84 Average: 1 32.05 0.12 1.58 0.32 0.08 65.84 Average: 2 33.34 0.00 1.63 0.13 0.08 64.81 Average: 3 35.39 0.00 1.76 0.27 0.08 62.50