---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4218 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 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 conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: 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 698 9440 4 5850 14948 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:43:22:6a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.88/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84573sec preferred_lft 84573sec inet6 fe80::f816:3eff:fe43:226a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f6:06:cd:e4:2a:ec 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-4218) 01/25/26 _x86_64_ (4 CPU) 12:35:34 LINUX RESTART (4 CPU) 12:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:13 46.99 2.16 29.05 15.78 650.58 5347.42 259370.70 13:00:17 33.37 0.06 30.12 3.19 1.44 5979.12 17309.77 Average: 40.23 1.12 29.58 9.54 328.49 5660.86 139265.10 12:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:13 9523492 13523760 2430512 14.84 160988 3930352 2669364 15.32 947932 5463596 21584 13:00:17 7762588 13144036 2803824 17.12 186768 5215508 2996012 17.20 1236128 6870912 32628 Average: 8643040 13333898 2617168 15.98 173878 4572930 2832688 16.26 1092030 6167254 27106 12:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:13 lo 888.12 888.12 845.78 845.78 0.00 0.00 0.00 0.00 12:50:13 ens3 89.18 64.74 585.89 16.53 0.00 0.00 0.00 0.00 12:50:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:17 lo 1107.32 1107.32 1054.21 1054.21 0.00 0.00 0.00 0.00 13:00:17 ens3 55.26 40.76 227.67 12.46 0.00 0.00 0.00 0.00 13:00:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 996.88 996.88 949.20 949.20 0.00 0.00 0.00 0.00 Average: ens3 72.35 52.84 408.15 14.51 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-4218) 01/25/26 _x86_64_ (4 CPU) 12:35:34 LINUX RESTART (4 CPU) 12:40:00 CPU %user %nice %system %iowait %steal %idle 12:50:13 all 65.59 0.00 2.51 0.30 0.11 31.49 12:50:13 0 64.54 0.00 2.50 0.26 0.11 32.59 12:50:13 1 67.18 0.00 2.61 0.54 0.11 29.55 12:50:13 2 63.62 0.00 2.32 0.32 0.11 33.63 12:50:13 3 67.02 0.00 2.61 0.09 0.11 30.17 13:00:17 all 58.19 0.00 2.30 0.12 0.11 39.28 13:00:17 0 58.64 0.00 2.30 0.18 0.11 38.77 13:00:17 1 58.77 0.00 2.10 0.10 0.10 38.92 13:00:17 2 58.43 0.00 2.07 0.09 0.11 39.30 13:00:17 3 56.90 0.00 2.75 0.12 0.11 40.12 Average: all 61.92 0.00 2.41 0.21 0.11 35.35 Average: 0 61.62 0.00 2.40 0.22 0.11 35.66 Average: 1 63.01 0.00 2.36 0.33 0.11 34.20 Average: 2 61.04 0.00 2.19 0.21 0.11 36.45 Average: 3 62.00 0.00 2.68 0.11 0.11 35.11