---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-41383 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: 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 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 653 8790 4 6545 14992 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:df:b9:af brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.111/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83835sec preferred_lft 83835sec inet6 fe80::f816:3eff:fedf:b9af/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:7d:34:11:fa:21 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-41383) 08/27/26 _x86_64_ (4 CPU) 05:23:17 LINUX RESTART (4 CPU) 05:30:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:01 23.69 2.96 18.67 2.06 161.91 3604.69 3525.00 05:50:04 24.00 0.01 21.31 2.67 0.38 2071.73 7562.42 06:00:04 21.23 0.03 19.28 1.91 0.69 3794.26 4658.24 Average: 22.97 1.00 19.76 2.22 54.05 3154.27 5255.46 05:30:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:01 10092464 13620976 2337628 14.28 138872 3515092 2776060 15.93 636728 5264344 33368 05:50:04 9117320 13026704 2928892 17.89 153336 3850448 2953564 16.95 745636 6086056 24724 06:00:04 5613928 10429752 5522020 33.73 166812 4706220 5237084 30.06 1007096 9272316 29884 Average: 8274571 12359144 3596180 21.96 153007 4023920 3655569 20.98 796487 6874239 29325 05:30:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:01 lo 1268.31 1268.31 1201.87 1201.87 0.00 0.00 0.00 0.00 05:40:01 ens3 108.24 87.38 1016.68 18.20 0.00 0.00 0.00 0.00 05:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:04 lo 1348.32 1348.32 1284.71 1284.71 0.00 0.00 0.00 0.00 05:50:04 ens3 27.92 24.18 17.97 10.04 0.00 0.00 0.00 0.00 05:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:04 lo 942.57 942.57 5362.74 5362.74 0.00 0.00 0.00 0.00 06:00:04 ens3 20.40 16.36 30.09 6.92 0.00 0.00 0.00 0.00 06:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1186.54 1186.54 2616.60 2616.60 0.00 0.00 0.00 0.00 Average: ens3 52.05 42.53 353.20 11.71 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-41383) 08/27/26 _x86_64_ (4 CPU) 05:23:17 LINUX RESTART (4 CPU) 05:30:04 CPU %user %nice %system %iowait %steal %idle 05:40:01 all 46.94 0.00 2.15 0.09 0.02 50.81 05:40:01 0 47.64 0.00 2.12 0.07 0.01 50.16 05:40:01 1 46.44 0.00 2.24 0.13 0.02 51.17 05:40:01 2 46.05 0.00 1.98 0.07 0.02 51.88 05:40:01 3 47.62 0.00 2.27 0.07 0.01 50.02 05:50:04 all 65.39 0.00 2.63 0.07 0.02 31.88 05:50:04 0 64.12 0.00 2.68 0.10 0.03 33.07 05:50:04 1 65.92 0.00 2.63 0.05 0.03 31.38 05:50:04 2 65.74 0.00 2.80 0.06 0.01 31.39 05:50:04 3 65.80 0.00 2.42 0.06 0.01 31.70 06:00:04 all 49.27 0.00 2.13 0.11 0.02 48.48 06:00:04 0 55.95 0.00 2.24 0.06 0.02 41.73 06:00:04 1 47.29 0.00 2.22 0.10 0.02 50.36 06:00:04 2 45.47 0.00 2.04 0.10 0.01 52.39 06:00:04 3 48.34 0.00 2.03 0.17 0.02 49.44 Average: all 53.89 0.00 2.31 0.09 0.02 43.70 Average: 0 55.93 0.00 2.35 0.08 0.02 41.63 Average: 1 53.24 0.00 2.36 0.09 0.02 44.28 Average: 2 52.45 0.00 2.28 0.08 0.01 45.19 Average: 3 53.95 0.00 2.24 0.10 0.02 43.69