---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-865 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 648 10521 4 4819 14998 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:05:d9:05 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.225/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84382sec preferred_lft 84382sec inet6 fe80::f816:3eff:fe05:d905/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:fd:13:67:e5:28 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-865) 07/31/26 _x86_64_ (4 CPU) 09:05:14 LINUX RESTART (4 CPU) 09:10:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:20:05 12.19 1.96 9.59 0.64 126.14 2503.50 1733.19 09:30:05 21.65 0.78 18.47 2.40 28.04 3110.17 2514.60 Average: 16.92 1.37 14.02 1.52 77.15 2806.47 2123.43 09:10:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:20:05 10776632 14036112 1924304 11.75 127340 3261728 2260240 12.97 540092 4682136 20852 09:30:05 9365740 13475748 2476944 15.13 163408 4000624 2641868 15.16 760860 5767584 10448 Average: 10071186 13755930 2200624 13.44 145374 3631176 2451054 14.07 650476 5224860 15650 09:10:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:20:05 lo 0.84 0.84 0.08 0.08 0.00 0.00 0.00 0.00 09:20:05 ens3 87.31 71.07 738.42 14.98 0.00 0.00 0.00 0.00 09:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:05 lo 1069.84 1069.84 1019.65 1019.65 0.00 0.00 0.00 0.00 09:30:05 ens3 76.90 57.98 329.18 17.28 0.00 0.00 0.00 0.00 09:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 534.70 534.70 509.26 509.26 0.00 0.00 0.00 0.00 Average: ens3 82.11 64.54 534.04 16.13 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-865) 07/31/26 _x86_64_ (4 CPU) 09:05:14 LINUX RESTART (4 CPU) 09:10:04 CPU %user %nice %system %iowait %steal %idle 09:20:05 all 46.17 0.00 1.63 0.16 0.07 51.98 09:20:05 0 46.14 0.00 1.33 0.18 0.07 52.29 09:20:05 1 46.24 0.00 1.62 0.08 0.07 51.99 09:20:05 2 46.09 0.00 1.93 0.24 0.07 51.67 09:20:05 3 46.20 0.00 1.64 0.13 0.07 51.96 09:30:05 all 69.38 0.00 2.72 0.47 0.09 27.33 09:30:05 0 70.72 0.00 2.77 0.61 0.09 25.80 09:30:05 1 69.07 0.00 2.49 0.46 0.10 27.89 09:30:05 2 66.89 0.00 2.50 0.59 0.09 29.93 09:30:05 3 70.86 0.00 3.12 0.24 0.09 25.69 Average: all 57.76 0.00 2.17 0.32 0.08 39.67 Average: 0 58.41 0.00 2.05 0.39 0.08 39.06 Average: 1 57.64 0.00 2.05 0.27 0.08 39.95 Average: 2 56.47 0.00 2.21 0.42 0.08 40.82 Average: 3 58.51 0.00 2.38 0.18 0.08 38.85