---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4558 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 609 10666 4 4713 15037 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:3a:ca:8b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.175/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84725sec preferred_lft 84725sec inet6 fe80::f816:3eff:fe3a:ca8b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 26:b6:02:9a:b0:0d 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-4558) 01/26/26 _x86_64_ (4 CPU) 12:05:29 LINUX RESTART (4 CPU) 12:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:20:16 6.94 0.30 6.23 0.42 25.71 1082.12 334.35 12:30:00 11.03 0.56 9.94 0.53 21.66 1661.03 883.07 Average: 8.93 0.42 8.03 0.48 23.74 1363.81 601.35 12:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:20:16 8807636 11704528 4258740 26.01 110128 2959532 4405876 25.29 507984 6729580 1072 12:30:00 9435216 13023012 2936172 17.93 128036 3594340 3080796 17.68 695604 5858260 271868 Average: 9121426 12363770 3597456 21.97 119082 3276936 3743336 21.49 601794 6293920 136470 12:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:20:16 lo 0.62 0.62 0.37 0.37 0.00 0.00 0.00 0.00 12:20:16 ens3 15.71 12.02 156.00 2.56 0.00 0.00 0.00 0.00 12:20:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:00 lo 205.71 205.71 195.78 195.78 0.00 0.00 0.00 0.00 12:30:00 ens3 34.23 24.13 420.53 3.41 0.00 0.00 0.00 0.00 12:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 100.41 100.41 95.45 95.45 0.00 0.00 0.00 0.00 Average: ens3 24.72 17.91 284.72 2.97 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-4558) 01/26/26 _x86_64_ (4 CPU) 12:05:29 LINUX RESTART (4 CPU) 12:10:01 CPU %user %nice %system %iowait %steal %idle 12:20:16 all 48.76 0.00 0.83 0.03 0.08 50.29 12:20:16 0 50.77 0.00 1.05 0.02 0.08 48.07 12:20:16 1 47.20 0.00 0.75 0.02 0.08 51.95 12:20:16 2 42.05 0.00 0.76 0.06 0.08 57.04 12:20:16 3 55.02 0.00 0.76 0.04 0.09 44.10 12:30:00 all 52.67 0.00 0.96 0.03 0.09 46.26 12:30:00 0 39.38 0.00 0.87 0.02 0.08 59.65 12:30:00 1 51.04 0.00 1.09 0.03 0.08 47.76 12:30:00 2 64.74 0.00 0.89 0.02 0.09 34.28 12:30:00 3 55.54 0.00 1.00 0.04 0.09 43.33 Average: all 50.66 0.00 0.89 0.03 0.08 48.33 Average: 0 45.23 0.00 0.96 0.02 0.08 53.71 Average: 1 49.07 0.00 0.91 0.02 0.08 49.91 Average: 2 53.09 0.00 0.82 0.04 0.08 45.97 Average: 3 55.27 0.00 0.87 0.04 0.09 43.73