---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-42327 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 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 13G 66G 16% / 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 677 8683 4 6628 14968 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:f8:5e:e1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.10/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84242sec preferred_lft 84242sec inet6 fe80::f816:3eff:fef8:5ee1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ba:dc:c8:62:f4:f8 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-42327) 08/29/26 _x86_64_ (4 CPU) 02:24:27 LINUX RESTART (4 CPU) 02:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:40:15 20.77 0.06 18.44 2.26 6.32 2115.79 6710.77 02:50:24 31.19 0.04 28.09 3.06 0.98 4430.53 12847.77 03:00:08 12.96 0.24 11.24 1.49 13.34 7793.97 4265.09 Average: 21.76 0.11 19.37 2.28 6.79 4729.84 7991.40 02:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:40:15 9269756 13061768 2894408 17.68 140684 3761204 2927608 16.80 717928 5960692 20660 02:50:24 7256216 12077748 3874004 23.66 157656 4728296 3632496 20.85 1002980 7651212 784 03:00:08 8988888 15416076 530900 3.24 174220 6267932 1060808 6.09 1357464 5514832 27208 Average: 8504953 13518531 2433104 14.86 157520 4919144 2540304 14.58 1026124 6375579 16217 02:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:40:15 lo 1236.11 1236.11 1171.99 1171.99 0.00 0.00 0.00 0.00 02:40:15 ens3 42.46 31.76 48.10 19.40 0.00 0.00 0.00 0.00 02:40:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:50:24 lo 1280.33 1280.33 1215.23 1215.23 0.00 0.00 0.00 0.00 02:50:24 ens3 40.74 30.26 26.77 14.26 0.00 0.00 0.00 0.00 02:50:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:00:08 lo 2597.74 2597.74 9550.67 9550.67 0.00 0.00 0.00 0.00 03:00:08 ens3 49.93 37.88 194.84 12.35 0.00 0.00 0.00 0.00 03:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1690.63 1690.63 3891.64 3891.64 0.00 0.00 0.00 0.00 Average: ens3 44.29 33.23 88.28 15.39 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-42327) 08/29/26 _x86_64_ (4 CPU) 02:24:27 LINUX RESTART (4 CPU) 02:30:00 CPU %user %nice %system %iowait %steal %idle 02:40:15 all 62.18 0.00 2.32 0.06 0.03 35.42 02:40:15 0 60.99 0.00 2.41 0.04 0.03 36.52 02:40:15 1 61.73 0.00 2.35 0.03 0.03 35.87 02:40:15 2 63.89 0.00 2.36 0.09 0.02 33.63 02:40:15 3 62.09 0.00 2.14 0.06 0.03 35.66 02:50:24 all 55.24 0.00 2.58 0.12 0.03 42.03 02:50:24 0 55.75 0.00 2.70 0.16 0.03 41.35 02:50:24 1 53.65 0.00 2.52 0.09 0.03 43.70 02:50:24 2 54.59 0.00 2.61 0.13 0.03 42.64 02:50:24 3 56.98 0.00 2.49 0.08 0.02 40.42 03:00:08 all 31.75 0.00 1.51 0.13 0.03 66.57 03:00:08 0 33.10 0.00 1.64 0.15 0.03 65.08 03:00:08 1 31.90 0.00 1.24 0.12 0.03 66.71 03:00:08 2 36.93 0.00 1.45 0.12 0.03 61.47 03:00:08 3 25.08 0.00 1.72 0.13 0.02 73.05 Average: all 50.01 0.00 2.15 0.10 0.03 47.71 Average: 0 50.22 0.00 2.26 0.12 0.03 47.37 Average: 1 49.38 0.00 2.05 0.08 0.03 48.46 Average: 2 52.04 0.00 2.15 0.11 0.03 45.66 Average: 3 48.41 0.00 2.13 0.09 0.03 49.35