---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4286 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 11G 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 711 9456 4 5821 14935 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:7f:fd:93 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.226/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84624sec preferred_lft 84624sec inet6 fe80::f816:3eff:fe7f:fd93/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:89:1d:8e:0c:01 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-4286) 10/16/25 _x86_64_ (4 CPU) 20:47:27 LINUX RESTART (4 CPU) 20:50:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:00:11 37.95 3.23 21.60 13.12 812.01 6197.55 266701.65 21:10:01 34.16 0.04 30.26 3.86 1.36 5566.66 24020.53 Average: 36.06 1.64 25.91 8.51 408.44 5883.47 145886.70 20:50:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:00:11 9374628 13519632 2433900 14.87 168880 4050912 2636352 15.13 1023180 5528640 22768 21:10:01 7930792 13285348 2663396 16.27 183752 5193268 2719348 15.61 1273112 6653124 39252 Average: 8652710 13402490 2548648 15.57 176316 4622090 2677850 15.37 1148146 6090882 31010 20:50:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:00:11 lo 688.14 688.14 654.98 654.98 0.00 0.00 0.00 0.00 21:00:11 ens3 105.72 83.31 864.43 17.78 0.00 0.00 0.00 0.00 21:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:10:01 lo 1375.23 1375.23 1310.09 1310.09 0.00 0.00 0.00 0.00 21:10:01 ens3 67.36 50.18 220.04 15.25 0.00 0.00 0.00 0.00 21:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1030.20 1030.20 981.12 981.12 0.00 0.00 0.00 0.00 Average: ens3 86.62 66.82 543.63 16.52 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-4286) 10/16/25 _x86_64_ (4 CPU) 20:47:27 LINUX RESTART (4 CPU) 20:50:16 CPU %user %nice %system %iowait %steal %idle 21:00:11 all 61.31 0.00 2.32 0.16 0.09 36.13 21:00:11 0 62.28 0.00 2.34 0.16 0.09 35.12 21:00:11 1 61.24 0.00 2.23 0.18 0.09 36.26 21:00:11 2 60.19 0.00 2.43 0.11 0.09 37.18 21:00:11 3 61.52 0.00 2.27 0.18 0.09 35.94 21:10:01 all 61.34 0.00 2.49 0.14 0.09 35.94 21:10:01 0 60.12 0.00 2.46 0.13 0.09 37.19 21:10:01 1 61.12 0.00 2.54 0.20 0.09 36.06 21:10:01 2 62.06 0.00 2.58 0.10 0.09 35.18 21:10:01 3 62.07 0.00 2.37 0.16 0.08 35.31 Average: all 61.33 0.00 2.40 0.15 0.09 36.03 Average: 0 61.21 0.00 2.40 0.14 0.09 36.15 Average: 1 61.18 0.00 2.38 0.19 0.09 36.16 Average: 2 61.12 0.00 2.50 0.10 0.09 36.18 Average: 3 61.80 0.00 2.32 0.17 0.09 35.63