---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-41449 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 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 665 9271 4 6052 14980 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:bf:06:cb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.13/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84514sec preferred_lft 84514sec inet6 fe80::f816:3eff:febf:6cb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:d8:3f:e5:49:77 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-41449) 08/27/26 _x86_64_ (4 CPU) 11:33:38 LINUX RESTART (4 CPU) 11:40:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:50:01 12.83 0.02 10.73 2.08 0.56 903.24 27311.00 12:00:01 32.71 0.19 28.43 4.08 5.97 7417.63 30729.57 Average: 22.88 0.11 19.68 3.09 3.29 4196.01 29038.95 11:40:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:50:01 9436880 13016876 2940736 17.96 132668 3560676 3200300 18.37 679380 5853184 316 12:00:01 7328448 12962676 2984692 18.23 166892 5484616 3022836 17.35 1503856 7021412 7840 Average: 8382664 12989776 2962714 18.10 149780 4522646 3111568 17.86 1091618 6437298 4078 11:40:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:50:01 lo 45.79 45.79 10.66 10.66 0.00 0.00 0.00 0.00 11:50:01 ens3 9.31 8.32 12.51 3.20 0.00 0.00 0.00 0.00 11:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:01 lo 1916.18 1916.18 1819.03 1819.03 0.00 0.00 0.00 0.00 12:00:01 ens3 64.33 53.03 501.27 13.98 0.00 0.00 0.00 0.00 12:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 991.20 991.20 924.72 924.72 0.00 0.00 0.00 0.00 Average: ens3 37.12 30.92 259.56 8.65 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-41449) 08/27/26 _x86_64_ (4 CPU) 11:33:38 LINUX RESTART (4 CPU) 11:40:15 CPU %user %nice %system %iowait %steal %idle 11:50:01 all 24.39 0.00 1.17 0.73 0.02 73.68 11:50:01 0 24.53 0.00 1.19 0.59 0.02 73.67 11:50:01 1 25.08 0.00 1.19 1.61 0.02 72.11 11:50:01 2 23.80 0.00 1.24 0.21 0.02 74.73 11:50:01 3 24.16 0.00 1.06 0.52 0.02 74.24 12:00:01 all 43.91 0.00 2.53 0.14 0.03 53.40 12:00:01 0 43.20 0.00 2.54 0.14 0.03 54.10 12:00:01 1 43.37 0.00 2.23 0.07 0.03 54.31 12:00:01 2 43.92 0.00 2.95 0.06 0.03 53.04 12:00:01 3 45.15 0.00 2.39 0.28 0.03 52.14 Average: all 34.25 0.00 1.86 0.43 0.02 63.44 Average: 0 33.96 0.00 1.87 0.36 0.02 63.79 Average: 1 34.32 0.00 1.72 0.83 0.02 63.11 Average: 2 33.97 0.00 2.11 0.14 0.02 63.76 Average: 3 34.75 0.00 1.73 0.40 0.03 63.09