---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-10587 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 67G 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 627 10386 4 4975 15019 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:27:7e:db brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.38/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84786sec preferred_lft 84786sec inet6 fe80::f816:3eff:fe27:7edb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:d9:c6:33:6c:ef 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-10587) 11/14/25 _x86_64_ (4 CPU) 18:45:29 LINUX RESTART (4 CPU) 18:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:00:07 19.10 12.46 6.12 0.52 670.43 1165.36 12278.93 19:10:07 18.98 0.54 16.88 1.56 19.63 2434.25 12333.73 Average: 19.04 6.53 11.47 1.03 346.90 1796.16 12306.18 18:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:00:07 10390720 13593900 2368428 14.47 116216 3237620 2778692 15.95 716152 4906724 20360 19:10:07 9689556 13631288 2326992 14.21 139108 3915620 2516868 14.45 913156 5355004 298212 Average: 10040138 13612594 2347710 14.34 127662 3576620 2647780 15.20 814654 5130864 159286 18:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:00:07 lo 0.63 0.63 0.38 0.38 0.00 0.00 0.00 0.00 19:00:07 ens3 16.73 12.35 162.18 2.84 0.00 0.00 0.00 0.00 19:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:10:07 lo 490.86 490.86 467.45 467.45 0.00 0.00 0.00 0.00 19:10:07 ens3 48.62 36.26 483.40 6.41 0.00 0.00 0.00 0.00 19:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 244.34 244.34 232.57 232.57 0.00 0.00 0.00 0.00 Average: ens3 32.59 24.23 321.87 4.62 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-10587) 11/14/25 _x86_64_ (4 CPU) 18:45:29 LINUX RESTART (4 CPU) 18:50:01 CPU %user %nice %system %iowait %steal %idle 19:00:07 all 47.77 0.08 0.77 0.12 0.07 51.18 19:00:07 0 43.23 0.00 0.67 0.03 0.07 56.00 19:00:07 1 58.01 0.30 0.89 0.25 0.08 40.46 19:00:07 2 47.44 0.00 0.78 0.04 0.08 51.66 19:00:07 3 42.44 0.01 0.76 0.17 0.07 56.55 19:10:07 all 53.64 0.00 1.41 0.12 0.09 44.73 19:10:07 0 45.09 0.00 1.62 0.24 0.08 52.97 19:10:07 1 63.26 0.00 1.48 0.03 0.10 35.14 19:10:07 2 62.12 0.00 1.44 0.12 0.11 36.21 19:10:07 3 44.10 0.00 1.09 0.10 0.08 54.63 Average: all 50.69 0.04 1.09 0.12 0.08 47.98 Average: 0 44.15 0.00 1.14 0.14 0.08 54.49 Average: 1 60.62 0.15 1.19 0.14 0.09 37.81 Average: 2 54.73 0.00 1.11 0.08 0.10 43.99 Average: 3 43.26 0.01 0.93 0.13 0.07 55.60