---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-201 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7 15:06:04 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 721 9422 4 5845 14924 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:26:55:0c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.41/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83898sec preferred_lft 83898sec inet6 fe80::f816:3eff:fe26:550c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:07:87:01:31:ab 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-201) 09/05/26 _x86_64_ (4 CPU) 06:28:18 LINUX RESTART (4 CPU) 06:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:13 13.09 1.93 10.63 0.52 303.28 2749.66 762.91 06:50:13 24.07 1.71 20.26 2.10 79.93 4271.57 7053.83 07:00:01 31.58 0.07 28.39 3.12 1.76 5899.20 17695.17 Average: 22.79 1.25 19.64 1.90 130.34 4285.69 8390.30 06:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:13 11524740 14496640 1467108 8.96 118072 3019612 1929104 11.07 434172 4054056 133900 06:50:13 9362288 13360688 2593860 15.84 164572 3909748 3087668 17.72 789584 5785832 25752 07:00:01 7957756 13326608 2621216 16.01 197372 5176356 2837128 16.29 1084524 6802204 34984 Average: 9614928 13727979 2227395 13.60 160005 4035239 2617967 15.03 769427 5547364 64879 06:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:13 lo 0.27 0.27 0.03 0.03 0.00 0.00 0.00 0.00 06:40:13 ens3 86.72 66.38 674.41 10.40 0.00 0.00 0.00 0.00 06:40:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:13 lo 873.05 873.05 831.78 831.78 0.00 0.00 0.00 0.00 06:50:13 ens3 74.41 56.12 372.16 14.85 0.00 0.00 0.00 0.00 06:50:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:01 lo 1418.35 1418.35 1352.06 1352.06 0.00 0.00 0.00 0.00 07:00:01 ens3 53.94 42.30 239.80 12.35 0.00 0.00 0.00 0.00 07:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 754.40 754.40 718.90 718.90 0.00 0.00 0.00 0.00 Average: ens3 71.91 55.10 431.70 12.52 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-201) 09/05/26 _x86_64_ (4 CPU) 06:28:18 LINUX RESTART (4 CPU) 06:30:01 CPU %user %nice %system %iowait %steal %idle 06:40:13 all 5.24 0.00 0.41 0.12 0.00 94.22 06:40:13 0 4.64 0.00 0.30 0.06 0.00 95.00 06:40:13 1 4.19 0.00 0.54 0.21 0.00 95.05 06:40:13 2 7.37 0.00 0.42 0.13 0.01 92.07 06:40:13 3 4.77 0.00 0.38 0.06 0.00 94.77 06:50:13 all 64.79 0.00 2.51 0.07 0.03 32.60 06:50:13 0 63.09 0.00 2.44 0.04 0.03 34.40 06:50:13 1 64.91 0.00 2.47 0.06 0.03 32.53 06:50:13 2 65.71 0.00 2.72 0.08 0.03 31.47 06:50:13 3 65.45 0.00 2.41 0.09 0.03 32.02 07:00:01 all 54.29 0.00 2.63 0.09 0.02 42.96 07:00:01 0 56.01 0.00 2.70 0.06 0.02 41.21 07:00:01 1 53.73 0.00 2.49 0.09 0.02 43.67 07:00:01 2 52.50 0.00 2.45 0.07 0.02 44.96 07:00:01 3 54.94 0.00 2.90 0.15 0.03 41.99 Average: all 41.10 0.00 1.84 0.09 0.02 56.95 Average: 0 40.88 0.00 1.80 0.05 0.02 57.25 Average: 1 40.61 0.00 1.82 0.12 0.02 57.43 Average: 2 41.55 0.00 1.85 0.09 0.02 56.49 Average: 3 41.37 0.00 1.88 0.10 0.02 56.63