---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-42176 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 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 685 9616 4 5687 14960 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:54:0d:bb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.17/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84193sec preferred_lft 84193sec inet6 fe80::f816:3eff:fe54:dbb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6e:d4:51:55:cc:0f 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-42176) 08/28/26 _x86_64_ (4 CPU) 18:23:16 LINUX RESTART (4 CPU) 18:30:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:04 53.43 0.66 44.86 7.91 25.53 3540.08 161520.78 18:50:43 30.61 0.17 15.20 15.25 4.85 1534.90 243084.10 Average: 41.61 0.40 29.50 11.71 14.82 2501.73 203757.32 18:30:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:04 9589996 13271952 2685860 16.40 160476 3640432 2960504 16.99 692420 5689248 10164 18:50:43 9087004 13135888 2817752 17.21 179216 3959584 3035112 17.42 811620 6041064 13032 Average: 9338500 13203920 2751806 16.81 169846 3800008 2997808 17.21 752020 5865156 11598 18:30:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:04 lo 19.08 19.08 4.12 4.12 0.00 0.00 0.00 0.00 18:40:04 ens3 26.07 20.93 121.82 6.83 0.00 0.00 0.00 0.00 18:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:43 lo 1092.39 1092.39 1010.39 1010.39 0.00 0.00 0.00 0.00 18:50:43 ens3 29.41 21.31 233.79 5.44 0.00 0.00 0.00 0.00 18:50:43 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 574.88 574.88 525.20 525.20 0.00 0.00 0.00 0.00 Average: ens3 27.80 21.12 179.80 6.11 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-42176) 08/28/26 _x86_64_ (4 CPU) 18:23:16 LINUX RESTART (4 CPU) 18:30:10 CPU %user %nice %system %iowait %steal %idle 18:40:04 all 36.36 0.00 1.65 0.43 0.02 61.55 18:40:04 0 35.17 0.00 1.78 1.03 0.02 62.00 18:40:04 1 35.83 0.00 1.49 0.18 0.01 62.50 18:40:04 2 37.84 0.00 1.45 0.16 0.02 60.52 18:40:04 3 36.59 0.00 1.86 0.35 0.01 61.19 18:50:43 all 23.02 0.00 1.54 0.11 0.01 75.31 18:50:43 0 22.07 0.00 1.60 0.06 0.01 76.26 18:50:43 1 23.14 0.00 1.53 0.05 0.01 75.27 18:50:43 2 23.34 0.00 1.73 0.10 0.01 74.82 18:50:43 3 23.56 0.00 1.30 0.23 0.01 74.90 Average: all 29.46 0.00 1.59 0.26 0.01 68.68 Average: 0 28.38 0.00 1.69 0.52 0.02 69.39 Average: 1 29.26 0.00 1.51 0.11 0.01 69.11 Average: 2 30.34 0.00 1.60 0.13 0.01 67.91 Average: 3 29.84 0.00 1.57 0.29 0.01 68.29