---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1712 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 9.6G 68G 13% / 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 602 11350 4 4036 15044 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:16:3c:82 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.49/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84932sec preferred_lft 84932sec inet6 fe80::f816:3eff:fe16:3c82/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:f2:11:99:0b:39 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-1712) 10/24/25 _x86_64_ (4 CPU) 08:15:52 LINUX RESTART (4 CPU) 08:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:30:05 16.57 2.76 12.80 1.01 660.76 6665.95 2767.36 08:40:01 37.67 2.82 30.80 4.05 165.35 4962.61 6704.76 Average: 27.04 2.79 21.73 2.52 414.95 5820.81 4720.97 08:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:30:05 13032896 15536504 447968 2.74 91732 2609464 980248 5.63 455044 2572376 980 08:40:01 11641556 15419360 541168 3.31 135900 3784592 1076304 6.18 891536 3476628 11072 Average: 12337226 15477932 494568 3.02 113816 3197028 1028276 5.90 673290 3024502 6026 08:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:30:05 lo 0.34 0.34 0.05 0.05 0.00 0.00 0.00 0.00 08:30:05 ens3 36.01 24.47 296.43 6.92 0.00 0.00 0.00 0.00 08:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:01 lo 847.95 847.95 803.54 803.54 0.00 0.00 0.00 0.00 08:40:01 ens3 117.54 97.93 829.61 68.97 0.00 0.00 0.00 0.00 08:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 420.90 420.90 398.71 398.71 0.00 0.00 0.00 0.00 Average: ens3 76.46 60.92 560.97 37.70 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-1712) 10/24/25 _x86_64_ (4 CPU) 08:15:52 LINUX RESTART (4 CPU) 08:20:00 CPU %user %nice %system %iowait %steal %idle 08:30:05 all 2.83 0.00 0.38 4.16 0.03 92.61 08:30:05 0 2.31 0.00 0.36 3.51 0.02 93.80 08:30:05 1 4.71 0.00 0.57 3.29 0.03 91.40 08:30:05 2 2.93 0.00 0.30 1.35 0.02 95.39 08:30:05 3 1.36 0.00 0.30 8.49 0.03 89.82 08:40:01 all 46.27 0.00 2.07 4.80 0.25 46.61 08:40:01 0 45.81 0.00 2.15 1.49 0.12 50.43 08:40:01 1 48.69 0.00 2.00 6.60 0.28 42.43 08:40:01 2 46.31 0.00 2.29 3.79 0.30 47.31 08:40:01 3 44.25 0.00 1.86 7.33 0.28 46.27 Average: all 24.32 0.00 1.22 4.47 0.14 69.85 Average: 0 23.83 0.00 1.24 2.51 0.07 72.35 Average: 1 26.47 0.00 1.28 4.93 0.16 67.17 Average: 2 24.42 0.00 1.29 2.56 0.16 71.58 Average: 3 22.56 0.00 1.07 7.91 0.15 68.29