---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-655 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: 5600.00 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 664 10485 4 4838 14982 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:02:a0:b1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.6/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84020sec preferred_lft 84020sec inet6 fe80::f816:3eff:fe02:a0b1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 82:77:b7:f7:69:32 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-655) 07/30/26 _x86_64_ (4 CPU) 19:11:17 LINUX RESTART (4 CPU) 19:20:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:30:04 8.99 1.92 6.73 0.34 124.10 1892.01 811.75 19:40:05 10.41 0.50 8.82 1.10 18.61 2137.24 2400.67 19:50:02 28.41 0.54 23.83 4.04 21.26 3709.16 3688.12 Average: 15.92 0.99 13.11 1.82 54.69 2577.51 2298.12 19:20:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:30:04 10811508 13927264 2034872 12.43 120472 3139424 2393816 13.74 508664 4696680 54948 19:40:05 9251632 13012500 2943460 17.98 151956 3687396 3129116 17.96 681848 6004468 69832 19:50:02 10805968 15402652 547832 3.35 173848 4451740 1028128 5.90 905344 4138232 3300 Average: 10289703 14114139 1842055 11.25 148759 3759520 2183687 12.53 698619 4946460 42693 19:20:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:30:04 lo 0.53 0.53 0.05 0.05 0.00 0.00 0.00 0.00 19:30:04 ens3 73.76 58.06 659.34 10.21 0.00 0.00 0.00 0.00 19:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:05 lo 1.47 1.47 0.14 0.14 0.00 0.00 0.00 0.00 19:40:05 ens3 75.84 58.27 105.66 17.97 0.00 0.00 0.00 0.00 19:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:50:02 lo 1828.46 1828.46 1730.60 1730.60 0.00 0.00 0.00 0.00 19:50:02 ens3 118.26 105.76 395.47 190.48 0.00 0.00 0.00 0.00 19:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 607.97 607.97 574.87 574.87 0.00 0.00 0.00 0.00 Average: ens3 89.24 73.97 386.66 72.68 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-655) 07/30/26 _x86_64_ (4 CPU) 19:11:17 LINUX RESTART (4 CPU) 19:20:04 CPU %user %nice %system %iowait %steal %idle 19:30:04 all 27.05 0.00 0.85 2.02 0.05 70.03 19:30:04 0 27.01 0.00 0.76 0.08 0.05 72.09 19:30:04 1 27.84 0.00 1.09 6.67 0.06 64.34 19:30:04 2 27.17 0.00 0.81 1.29 0.06 70.68 19:30:04 3 26.16 0.00 0.74 0.04 0.05 73.02 19:40:05 all 71.43 0.00 2.21 0.11 0.12 26.13 19:40:05 0 73.03 0.00 2.32 0.17 0.12 24.36 19:40:05 1 72.75 0.00 2.22 0.11 0.12 24.80 19:40:05 2 71.24 0.00 2.23 0.09 0.12 26.32 19:40:05 3 68.71 0.00 2.06 0.08 0.12 29.02 19:50:02 all 36.37 0.00 1.89 0.65 0.07 61.01 19:50:02 0 34.67 0.00 1.89 0.19 0.07 63.19 19:50:02 1 36.38 0.00 1.87 0.62 0.07 61.05 19:50:02 2 38.17 0.00 2.07 1.37 0.08 58.32 19:50:02 3 36.28 0.00 1.73 0.42 0.07 61.50 Average: all 44.97 0.00 1.65 0.93 0.08 52.37 Average: 0 44.93 0.00 1.66 0.15 0.08 53.19 Average: 1 45.68 0.00 1.73 2.47 0.08 50.04 Average: 2 45.54 0.00 1.70 0.91 0.08 51.76 Average: 3 43.73 0.00 1.51 0.18 0.08 54.50