---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1554 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 12G 67G 15% / 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 733 9526 4 5728 14913 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:12:6c:9d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.9/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83929sec preferred_lft 83929sec inet6 fe80::f816:3eff:fe12:6c9d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:2e:13:36:8b:6a 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-1554) 04/09/26 _x86_64_ (4 CPU) 20:24:19 LINUX RESTART (4 CPU) 20:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:07 22.28 0.44 19.74 2.09 13.95 4507.18 4190.24 20:50:11 55.70 0.00 42.66 13.04 0.00 2464.85 28327.62 21:00:11 31.28 0.30 26.06 4.92 11.72 4746.36 11969.30 Average: 36.42 0.25 29.49 6.69 8.56 3904.70 14825.48 20:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:07 9465784 13522484 2430764 14.85 184296 3931428 2660076 15.27 751396 5686032 9708 20:50:11 8977444 13355132 2594868 15.85 206776 4198628 2784832 15.98 835764 6067180 36664 21:00:11 9849304 15348612 597028 3.65 239680 5228764 1103400 6.33 1207612 4728292 188 Average: 9430844 14075409 1874220 11.45 210251 4452940 2182769 12.53 931591 5493835 15520 20:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:07 lo 573.75 573.75 546.25 546.25 0.00 0.00 0.00 0.00 20:40:07 ens3 76.26 58.88 315.95 17.59 0.00 0.00 0.00 0.00 20:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:11 lo 5312.13 5312.13 5066.04 5066.04 0.00 0.00 0.00 0.00 20:50:11 ens3 71.26 52.39 23.87 17.65 0.00 0.00 0.00 0.00 20:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:11 lo 2264.79 2264.79 2151.26 2151.26 0.00 0.00 0.00 0.00 21:00:11 ens3 89.22 78.59 108.20 116.85 0.00 0.00 0.00 0.00 21:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2715.87 2715.87 2586.89 2586.89 0.00 0.00 0.00 0.00 Average: ens3 78.89 63.25 149.60 50.50 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-1554) 04/09/26 _x86_64_ (4 CPU) 20:24:19 LINUX RESTART (4 CPU) 20:30:01 CPU %user %nice %system %iowait %steal %idle 20:40:07 all 67.09 0.00 2.58 0.19 0.13 30.01 20:40:07 0 67.61 0.00 2.72 0.30 0.13 29.24 20:40:07 1 65.83 0.00 2.54 0.13 0.13 31.37 20:40:07 2 68.67 0.00 2.61 0.22 0.13 28.37 20:40:07 3 66.27 0.00 2.44 0.13 0.12 31.04 20:50:11 all 62.52 0.00 4.31 0.13 0.13 32.92 20:50:11 0 59.43 0.00 4.32 0.12 0.12 36.01 20:50:11 1 64.94 0.00 5.34 0.16 0.13 29.42 20:50:11 2 63.91 0.00 3.62 0.16 0.13 32.18 20:50:11 3 61.80 0.00 3.94 0.08 0.13 34.06 21:00:11 all 50.38 0.00 2.85 0.08 0.11 46.57 21:00:11 0 49.63 0.00 2.78 0.09 0.12 47.39 21:00:11 1 52.50 0.00 2.80 0.09 0.11 44.50 21:00:11 2 49.96 0.00 2.88 0.08 0.11 46.97 21:00:11 3 49.44 0.00 2.96 0.06 0.11 47.43 Average: all 60.03 0.00 3.25 0.13 0.12 36.47 Average: 0 58.92 0.00 3.27 0.17 0.12 37.52 Average: 1 61.12 0.00 3.56 0.13 0.12 35.07 Average: 2 60.88 0.00 3.04 0.15 0.12 35.80 Average: 3 59.20 0.00 3.11 0.09 0.12 37.48