---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25068 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 11G 68G 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 646 10265 4 5078 15000 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:4e:2b:72 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.158/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84954sec preferred_lft 84954sec inet6 fe80::f816:3eff:fe4e:2b72/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:6b:10:8a:69:51 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-25068) 01/10/26 _x86_64_ (4 CPU) 13:16:49 LINUX RESTART (4 CPU) 13:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:30:17 16.82 0.90 14.26 1.66 585.27 3514.77 14955.43 13:40:14 25.68 0.64 21.23 3.82 27.35 3755.50 2357.17 Average: 21.18 0.77 17.69 2.72 310.95 3633.13 8761.05 13:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:30:17 9462352 13350428 2605232 15.91 147712 3837856 2848192 16.35 869532 5627744 21620 13:40:14 10579512 15422264 526476 3.22 171308 4706924 1056508 6.06 1132280 4175476 16480 Average: 10020932 14386346 1565854 9.56 159510 4272390 1952350 11.21 1000906 4901610 19050 13:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:30:17 lo 1.51 1.51 0.15 0.15 0.00 0.00 0.00 0.00 13:30:17 ens3 78.79 60.61 398.65 18.34 0.00 0.00 0.00 0.00 13:30:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:14 lo 1480.66 1480.66 1399.95 1399.95 0.00 0.00 0.00 0.00 13:40:14 ens3 117.89 103.03 419.57 199.13 0.00 0.00 0.00 0.00 13:40:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 728.78 728.78 688.41 688.41 0.00 0.00 0.00 0.00 Average: ens3 98.02 81.46 408.94 107.24 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-25068) 01/10/26 _x86_64_ (4 CPU) 13:16:49 LINUX RESTART (4 CPU) 13:20:01 CPU %user %nice %system %iowait %steal %idle 13:30:17 all 74.32 0.00 2.51 0.08 0.11 22.97 13:30:17 0 73.76 0.00 2.43 0.04 0.11 23.66 13:30:17 1 73.07 0.00 2.61 0.09 0.11 24.12 13:30:17 2 75.47 0.00 2.54 0.07 0.11 21.81 13:30:17 3 74.99 0.00 2.47 0.12 0.11 22.31 13:40:14 all 46.62 0.00 2.11 0.12 0.10 51.05 13:40:14 0 46.47 0.00 2.26 0.08 0.10 51.09 13:40:14 1 49.52 0.00 2.40 0.15 0.10 47.83 13:40:14 2 44.39 0.00 1.96 0.12 0.09 53.43 13:40:14 3 46.08 0.00 1.83 0.14 0.10 51.84 Average: all 60.70 0.00 2.31 0.10 0.11 36.78 Average: 0 60.33 0.00 2.34 0.06 0.11 37.16 Average: 1 61.49 0.00 2.51 0.12 0.11 35.77 Average: 2 60.18 0.00 2.25 0.10 0.10 37.37 Average: 3 60.77 0.00 2.16 0.13 0.11 36.84