---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39443 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 UTC 2026 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 698 10467 4 4822 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:6c:39:d4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.208/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84292sec preferred_lft 84292sec inet6 fe80::f816:3eff:fe6c:39d4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:6d:62:07:d7:69 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-39443) 07/27/26 _x86_64_ (4 CPU) 22:13:50 LINUX RESTART (4 CPU) 22:20:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:30:12 9.57 1.93 7.21 0.43 124.21 2139.35 813.29 22:40:12 15.90 0.77 13.75 1.38 27.92 2818.13 2504.43 Average: 12.74 1.35 10.48 0.91 76.07 2478.74 1658.86 22:20:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:30:12 10545512 13717964 2243716 13.70 122268 3189816 2627644 15.08 520452 4945260 31868 22:40:12 9232568 13336516 2616564 15.98 162700 3997848 2765116 15.87 753208 5912340 135984 Average: 9889040 13527240 2430140 14.84 142484 3593832 2696380 15.48 636830 5428800 83926 22:20:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:30:12 lo 0.63 0.63 0.06 0.06 0.00 0.00 0.00 0.00 22:30:12 ens3 72.43 58.48 645.42 11.02 0.00 0.00 0.00 0.00 22:30:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:40:12 lo 292.05 292.05 277.43 277.43 0.00 0.00 0.00 0.00 22:40:12 ens3 88.90 66.57 331.13 19.20 0.00 0.00 0.00 0.00 22:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 146.34 146.34 138.74 138.74 0.00 0.00 0.00 0.00 Average: ens3 80.67 62.52 488.28 15.11 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-39443) 07/27/26 _x86_64_ (4 CPU) 22:13:50 LINUX RESTART (4 CPU) 22:20:12 CPU %user %nice %system %iowait %steal %idle 22:30:12 all 33.64 0.00 1.05 0.03 0.05 65.23 22:30:12 0 32.88 0.00 1.03 0.02 0.05 66.02 22:30:12 1 34.61 0.00 1.03 0.03 0.06 64.27 22:30:12 2 33.63 0.00 1.19 0.06 0.05 65.07 22:30:12 3 33.42 0.00 0.94 0.02 0.06 65.57 22:40:12 all 70.90 0.00 2.33 0.04 0.11 26.62 22:40:12 0 69.14 0.00 2.29 0.04 0.11 28.42 22:40:12 1 73.62 0.00 2.39 0.03 0.11 23.85 22:40:12 2 70.41 0.00 2.41 0.03 0.11 27.04 22:40:12 3 70.43 0.00 2.24 0.04 0.11 27.18 Average: all 52.26 0.00 1.69 0.03 0.08 45.93 Average: 0 51.02 0.00 1.66 0.03 0.08 47.22 Average: 1 54.11 0.00 1.71 0.03 0.08 44.06 Average: 2 52.01 0.00 1.80 0.04 0.08 46.06 Average: 3 51.92 0.00 1.59 0.03 0.08 46.38