---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-35998 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 nrip_save 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 11G 67G 14% / 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 629 10126 4 5232 15017 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:07:34:76 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.233/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84691sec preferred_lft 84691sec inet6 fe80::f816:3eff:fe07:3476/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:1f:ba:35:2e:95 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-35998) 08/12/26 _x86_64_ (4 CPU) 00:25:26 LINUX RESTART (4 CPU) 00:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:05 7.41 0.31 6.54 0.56 34.91 1297.10 8996.60 00:50:05 15.73 0.52 14.14 1.07 19.28 2204.91 5731.76 Average: 11.56 0.41 10.33 0.81 27.12 1749.57 7369.35 00:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:05 9111544 12439408 3522044 21.51 120328 3357976 3741420 21.48 517444 6377128 332 00:50:05 8405008 12502344 3455080 21.10 140268 4065616 3908660 22.44 739636 6828956 277440 Average: 8758276 12470876 3488562 21.31 130298 3711796 3825040 21.96 628540 6603042 138886 00:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:05 lo 0.65 0.65 0.38 0.38 0.00 0.00 0.00 0.00 00:40:05 ens3 40.18 22.06 358.88 3.44 0.00 0.00 0.00 0.00 00:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:05 lo 487.58 487.58 464.85 464.85 0.00 0.00 0.00 0.00 00:50:05 ens3 50.22 32.98 444.04 5.49 0.00 0.00 0.00 0.00 00:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 243.35 243.35 231.88 231.88 0.00 0.00 0.00 0.00 Average: ens3 45.18 27.50 401.32 4.46 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-35998) 08/12/26 _x86_64_ (4 CPU) 00:25:26 LINUX RESTART (4 CPU) 00:30:01 CPU %user %nice %system %iowait %steal %idle 00:40:05 all 45.92 0.00 0.80 0.04 0.09 53.15 00:40:05 0 36.94 0.00 0.90 0.03 0.08 62.04 00:40:05 1 60.67 0.00 0.73 0.03 0.09 38.48 00:40:05 2 41.32 0.00 0.73 0.04 0.08 57.82 00:40:05 3 44.77 0.00 0.82 0.07 0.09 54.26 00:50:05 all 57.26 0.00 1.35 0.06 0.10 41.24 00:50:05 0 50.17 0.00 1.25 0.04 0.10 48.44 00:50:05 1 65.85 0.00 1.41 0.14 0.10 32.51 00:50:05 2 66.11 0.00 1.32 0.06 0.10 32.41 00:50:05 3 46.93 0.00 1.40 0.02 0.10 51.56 Average: all 51.57 0.00 1.07 0.05 0.09 47.21 Average: 0 43.54 0.00 1.08 0.04 0.09 55.26 Average: 1 63.25 0.00 1.07 0.08 0.10 35.51 Average: 2 53.66 0.00 1.03 0.05 0.09 45.17 Average: 3 45.84 0.00 1.11 0.05 0.09 52.91