---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12520 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 67G 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 630 10251 4 5107 15016 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:27:4c:ee brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.52/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84771sec preferred_lft 84771sec inet6 fe80::f816:3eff:fe27:4cee/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 86:70:9c:a0:80:0d 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-12520) 05/10/26 _x86_64_ (4 CPU) 09:54:23 LINUX RESTART (4 CPU) 10:00:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:12 3.75 0.07 3.49 0.18 7.11 580.88 196.92 10:20:24 22.65 0.78 19.99 1.88 29.73 3576.95 14319.65 Average: 13.30 0.43 11.82 1.04 18.53 2093.88 7328.83 10:00:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:12 9276044 12644668 3317440 20.26 117296 3408656 3588036 20.60 707312 6045476 1144 10:20:24 10529304 15402492 553616 3.38 138912 4833240 1114956 6.40 1067732 4355872 678052 Average: 9902674 14023580 1935528 11.82 128104 4120948 2351496 13.50 887522 5200674 339598 10:00:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:12 lo 0.61 0.61 0.38 0.38 0.00 0.00 0.00 0.00 10:10:12 ens3 9.69 8.21 36.37 2.33 0.00 0.00 0.00 0.00 10:10:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:24 lo 544.20 544.20 518.70 518.70 0.00 0.00 0.00 0.00 10:20:24 ens3 48.77 37.30 478.75 5.86 0.00 0.00 0.00 0.00 10:20:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 275.12 275.12 262.12 262.12 0.00 0.00 0.00 0.00 Average: ens3 29.43 22.90 259.77 4.11 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-12520) 05/10/26 _x86_64_ (4 CPU) 09:54:23 LINUX RESTART (4 CPU) 10:00:12 CPU %user %nice %system %iowait %steal %idle 10:10:12 all 48.21 0.00 0.69 0.04 0.08 50.98 10:10:12 0 49.78 0.00 0.75 0.03 0.08 49.36 10:10:12 1 47.94 0.00 0.72 0.02 0.07 51.24 10:10:12 2 54.11 0.00 0.75 0.07 0.08 44.99 10:10:12 3 41.02 0.00 0.54 0.05 0.07 58.32 10:20:24 all 53.71 0.00 1.40 0.19 0.08 44.63 10:20:24 0 66.89 0.00 1.34 0.08 0.09 31.60 10:20:24 1 57.50 0.00 1.16 0.20 0.08 41.07 10:20:24 2 46.86 0.00 1.65 0.20 0.08 51.21 10:20:24 3 43.59 0.00 1.43 0.29 0.07 54.62 Average: all 50.98 0.00 1.05 0.12 0.08 47.77 Average: 0 58.41 0.00 1.05 0.06 0.08 40.40 Average: 1 52.76 0.00 0.94 0.11 0.07 46.11 Average: 2 50.45 0.00 1.20 0.14 0.08 48.13 Average: 3 42.31 0.00 0.99 0.17 0.07 56.45