---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-41568 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 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 639 9310 4 6040 15006 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:99:a5:40 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.53/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84333sec preferred_lft 84333sec inet6 fe80::f816:3eff:fe99:a540/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:fc:87:40:a8:4a 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 inet6 fe80::fc:87ff:fe40:a84a/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-41568) 08/27/26 _x86_64_ (4 CPU) 14:15:15 LINUX RESTART (4 CPU) 14:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:30:01 48.31 0.05 40.65 7.61 1.60 1794.94 156720.85 14:40:17 24.68 0.18 20.86 3.64 4.95 1984.05 27124.19 Average: 36.35 0.11 30.63 5.60 3.30 1890.68 91113.57 14:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:30:01 9343124 12822580 3136240 19.15 152872 3452828 3409820 19.57 671204 5975268 204 14:40:17 8968956 12885924 3069496 18.75 171324 3839976 3310612 19.00 805208 6171320 18000 Average: 9156040 12854252 3102868 18.95 162098 3646402 3360216 19.29 738206 6073294 9102 14:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:30:01 lo 32.75 32.75 7.56 7.56 0.00 0.00 0.00 0.00 14:30:01 ens3 11.70 9.51 13.33 2.96 0.00 0.00 0.00 0.00 14:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:17 lo 1481.17 1481.17 1389.95 1389.95 0.00 0.00 0.00 0.00 14:40:17 ens3 35.18 28.11 277.33 5.56 0.00 0.00 0.00 0.00 14:40:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 766.01 766.01 707.39 707.39 0.00 0.00 0.00 0.00 Average: ens3 23.59 18.92 146.98 4.28 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-41568) 08/27/26 _x86_64_ (4 CPU) 14:15:15 LINUX RESTART (4 CPU) 14:20:01 CPU %user %nice %system %iowait %steal %idle 14:30:01 all 28.29 0.00 1.35 0.40 0.06 69.90 14:30:01 0 28.69 0.00 1.35 0.59 0.05 69.31 14:30:01 1 28.33 0.00 1.40 0.33 0.06 69.88 14:30:01 2 28.84 0.00 1.45 0.44 0.06 69.21 14:30:01 3 27.32 0.00 1.18 0.25 0.06 71.19 14:40:17 all 35.13 0.00 1.95 0.07 0.04 62.80 14:40:17 0 34.68 0.00 1.99 0.04 0.04 63.26 14:40:17 1 35.97 0.00 2.13 0.05 0.04 61.81 14:40:17 2 34.74 0.00 1.85 0.12 0.04 63.25 14:40:17 3 35.14 0.00 1.84 0.08 0.04 62.89 Average: all 31.75 0.00 1.65 0.24 0.05 66.31 Average: 0 31.72 0.00 1.67 0.31 0.05 66.25 Average: 1 32.19 0.00 1.77 0.19 0.05 65.80 Average: 2 31.83 0.00 1.65 0.28 0.05 66.20 Average: 3 31.27 0.00 1.52 0.17 0.05 67.00