---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25890 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 694 10130 4 5163 14952 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:0c:65:71 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.231/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84316sec preferred_lft 84316sec inet6 fe80::f816:3eff:fe0c:6571/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:c3:c7:43:fa:93 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-25890) 06/08/26 _x86_64_ (4 CPU) 15:27:48 LINUX RESTART (4 CPU) 15:30:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:12 16.76 3.02 12.91 0.84 525.91 4419.50 17937.52 15:50:17 11.33 0.44 9.80 1.09 17.52 2189.74 2574.46 16:00:05 44.21 0.75 24.51 18.96 24.79 3895.66 242446.35 Average: 23.91 1.41 15.66 6.84 191.51 3500.05 86170.28 15:30:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:12 10934568 14264968 1696416 10.36 121944 3360284 2368100 13.59 642928 4436636 42324 15:50:17 9700164 13651880 2303448 14.07 151220 3891568 2491208 14.30 804768 5453220 17816 16:00:05 10421096 15348688 599724 3.66 177304 4777000 1124800 6.46 1065068 4367340 200 Average: 10351943 14421845 1533196 9.36 150156 4009617 1994703 11.45 837588 4752399 20113 15:30:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:12 lo 0.49 0.49 0.05 0.05 0.00 0.00 0.00 0.00 15:40:12 ens3 81.42 61.17 925.33 10.73 0.00 0.00 0.00 0.00 15:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:17 lo 1.38 1.38 0.14 0.14 0.00 0.00 0.00 0.00 15:50:17 ens3 65.71 51.62 99.41 17.49 0.00 0.00 0.00 0.00 15:50:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:00:05 lo 1803.96 1803.96 1711.12 1711.12 0.00 0.00 0.00 0.00 16:00:05 ens3 102.36 86.21 413.96 106.70 0.00 0.00 0.00 0.00 16:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 590.31 590.31 559.40 559.40 0.00 0.00 0.00 0.00 Average: ens3 83.00 66.15 481.03 44.37 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-25890) 06/08/26 _x86_64_ (4 CPU) 15:27:48 LINUX RESTART (4 CPU) 15:30:05 CPU %user %nice %system %iowait %steal %idle 15:40:12 all 16.61 0.00 0.87 0.73 0.04 81.75 15:40:12 0 16.73 0.00 1.01 1.07 0.04 81.15 15:40:12 1 17.34 0.00 0.91 0.67 0.04 81.04 15:40:12 2 15.83 0.00 0.64 0.32 0.04 83.18 15:40:12 3 16.56 0.00 0.93 0.87 0.04 81.61 15:50:17 all 71.87 0.00 2.29 0.30 0.13 25.41 15:50:17 0 73.57 0.00 2.44 0.20 0.13 23.65 15:50:17 1 68.17 0.00 2.02 0.38 0.13 29.30 15:50:17 2 73.12 0.00 2.37 0.39 0.13 24.00 15:50:17 3 72.63 0.00 2.33 0.24 0.13 24.68 16:00:05 all 50.12 0.00 2.38 0.41 0.11 46.98 16:00:05 0 49.23 0.00 1.94 0.57 0.10 48.16 16:00:05 1 49.10 0.00 2.61 0.26 0.10 47.94 16:00:05 2 50.60 0.00 2.46 0.20 0.11 46.64 16:00:05 3 51.57 0.00 2.53 0.61 0.10 45.18 Average: all 46.07 0.00 1.84 0.48 0.09 51.51 Average: 0 46.39 0.00 1.79 0.61 0.09 51.11 Average: 1 44.75 0.00 1.84 0.44 0.09 52.88 Average: 2 46.38 0.00 1.81 0.30 0.09 51.41 Average: 3 46.77 0.00 1.92 0.57 0.09 50.65