---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11769 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 681 9317 4 5989 14965 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:ec:25:40 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.136/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84590sec preferred_lft 84590sec inet6 fe80::f816:3eff:feec:2540/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 66:d3:3c:86:01:30 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-11769) 11/19/25 _x86_64_ (4 CPU) 01:08:49 LINUX RESTART (4 CPU) 01:10:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:03 42.46 3.92 23.99 14.55 717.20 5183.72 282222.31 01:30:01 17.86 0.17 15.24 2.45 4.48 1653.28 23794.68 Average: 30.18 2.05 19.62 8.51 361.28 3420.69 153169.14 01:10:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:03 9515272 13036252 2923164 17.85 126152 3524728 3238252 18.59 843376 5632272 35128 01:30:01 9382100 13260108 2695744 16.46 148948 3829684 2906980 16.69 970260 5581412 13384 Average: 9448686 13148180 2809454 17.16 137550 3677206 3072616 17.64 906818 5606842 24256 01:10:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:03 lo 18.18 18.18 3.89 3.89 0.00 0.00 0.00 0.00 01:20:03 ens3 63.69 52.79 689.39 10.64 0.00 0.00 0.00 0.00 01:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:01 lo 917.39 917.39 841.74 841.74 0.00 0.00 0.00 0.00 01:30:01 ens3 26.18 19.02 227.03 3.78 0.00 0.00 0.00 0.00 01:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 467.22 467.22 422.30 422.30 0.00 0.00 0.00 0.00 Average: ens3 44.96 35.93 458.50 7.22 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-11769) 11/19/25 _x86_64_ (4 CPU) 01:08:49 LINUX RESTART (4 CPU) 01:10:03 CPU %user %nice %system %iowait %steal %idle 01:20:03 all 34.91 0.00 1.43 0.55 0.08 63.02 01:20:03 0 34.72 0.00 1.59 0.67 0.08 62.94 01:20:03 1 34.70 0.00 1.71 0.27 0.09 63.23 01:20:03 2 35.61 0.00 1.21 0.68 0.08 62.42 01:20:03 3 34.63 0.00 1.22 0.58 0.08 63.50 01:30:01 all 24.20 0.00 1.31 0.15 0.09 74.25 01:30:01 0 24.65 0.00 1.24 0.28 0.09 73.74 01:30:01 1 24.63 0.00 1.38 0.07 0.09 73.83 01:30:01 2 23.23 0.00 1.32 0.07 0.09 75.30 01:30:01 3 24.31 0.00 1.32 0.18 0.09 74.11 Average: all 29.56 0.00 1.37 0.35 0.08 68.63 Average: 0 29.69 0.00 1.41 0.47 0.08 68.34 Average: 1 29.67 0.00 1.55 0.17 0.09 68.53 Average: 2 29.42 0.00 1.27 0.37 0.08 68.85 Average: 3 29.47 0.00 1.27 0.38 0.08 68.80