---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-41437 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 671 9132 4 6185 14974 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:2f:b4:49 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.245/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84555sec preferred_lft 84555sec inet6 fe80::f816:3eff:fe2f:b449/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:14:f2:b3:b5:90 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-41437) 08/27/26 _x86_64_ (4 CPU) 10:27:26 LINUX RESTART (4 CPU) 10:30:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:40:32 38.38 2.64 19.51 16.23 344.18 3980.83 273913.27 10:50:01 22.13 0.19 18.82 3.12 5.35 1752.83 31379.60 Average: 30.56 1.46 19.18 9.92 181.11 2908.56 157188.91 10:30:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:40:32 9475364 13189928 2766732 16.90 134000 3691652 3066096 17.60 749144 5751348 532 10:50:01 9102628 13196604 2757148 16.84 154976 4022072 2922676 16.78 879216 5956660 31964 Average: 9288996 13193266 2761940 16.87 144488 3856862 2994386 17.19 814180 5854004 16248 10:30:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:40:32 lo 24.15 24.15 5.54 5.54 0.00 0.00 0.00 0.00 10:40:32 ens3 60.25 51.35 702.47 10.60 0.00 0.00 0.00 0.00 10:40:32 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:01 lo 1339.43 1339.43 1248.58 1248.58 0.00 0.00 0.00 0.00 10:50:01 ens3 37.78 27.74 282.82 7.40 0.00 0.00 0.00 0.00 10:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 657.16 657.16 603.78 603.78 0.00 0.00 0.00 0.00 Average: ens3 49.44 39.99 500.50 9.06 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-41437) 08/27/26 _x86_64_ (4 CPU) 10:27:26 LINUX RESTART (4 CPU) 10:30:18 CPU %user %nice %system %iowait %steal %idle 10:40:32 all 37.12 0.00 1.64 0.21 0.02 61.02 10:40:32 0 39.41 0.00 1.87 0.09 0.01 58.60 10:40:32 1 36.65 0.00 1.59 0.34 0.02 61.40 10:40:32 2 36.77 0.00 1.66 0.14 0.02 61.41 10:40:32 3 35.64 0.00 1.42 0.25 0.01 62.68 10:50:01 all 27.30 0.00 1.71 0.10 0.01 70.88 10:50:01 0 26.72 0.00 1.82 0.14 0.02 71.30 10:50:01 1 27.54 0.00 1.45 0.05 0.01 70.96 10:50:01 2 27.82 0.00 1.81 0.06 0.01 70.29 10:50:01 3 27.14 0.00 1.75 0.14 0.01 70.96 Average: all 32.39 0.00 1.67 0.15 0.01 65.77 Average: 0 33.31 0.00 1.85 0.12 0.02 64.71 Average: 1 32.26 0.00 1.52 0.20 0.01 66.01 Average: 2 32.46 0.00 1.73 0.10 0.01 65.69 Average: 3 31.55 0.00 1.58 0.20 0.01 66.67