---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2132 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 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 660 9835 4 5493 14986 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:b8:9e:fb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.150/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84387sec preferred_lft 84387sec inet6 fe80::f816:3eff:feb8:9efb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 72:18:4f:cb:67:0f 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-2132) 08/04/26 _x86_64_ (4 CPU) 19:50:16 LINUX RESTART (4 CPU) 20:00:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:10:01 10.07 0.01 8.66 1.40 0.15 734.26 25805.36 20:20:05 40.84 0.31 35.18 5.35 9.24 6836.67 117198.26 Average: 25.52 0.16 21.98 3.38 4.71 3798.77 71701.06 20:00:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:10:01 9412164 12969296 2989880 18.26 159040 3515040 3202928 18.38 694808 5874712 2360 20:20:05 10139756 15384752 565588 3.45 193248 5081024 1078896 6.19 1328344 4396312 19264 Average: 9775960 14177024 1777734 10.86 176144 4298032 2140912 12.29 1011576 5135512 10812 20:00:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:10:01 lo 53.04 53.04 13.58 13.58 0.00 0.00 0.00 0.00 20:10:01 ens3 5.03 4.21 3.65 1.25 0.00 0.00 0.00 0.00 20:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:20:05 lo 2801.20 2801.20 2693.82 2693.82 0.00 0.00 0.00 0.00 20:20:05 ens3 64.07 51.30 506.30 11.46 0.00 0.00 0.00 0.00 20:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1433.11 1433.11 1359.54 1359.54 0.00 0.00 0.00 0.00 Average: ens3 34.68 27.86 256.07 6.38 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-2132) 08/04/26 _x86_64_ (4 CPU) 19:50:16 LINUX RESTART (4 CPU) 20:00:03 CPU %user %nice %system %iowait %steal %idle 20:10:01 all 15.93 0.00 0.80 0.38 0.11 82.78 20:10:01 0 15.27 0.00 0.84 0.32 0.12 83.45 20:10:01 1 15.90 0.00 0.82 0.15 0.11 83.01 20:10:01 2 16.61 0.00 0.80 0.73 0.11 81.75 20:10:01 3 15.93 0.00 0.75 0.30 0.11 82.92 20:20:05 all 50.79 0.00 2.78 0.80 0.11 45.52 20:20:05 0 50.98 0.00 2.85 0.84 0.11 45.21 20:20:05 1 53.58 0.00 3.20 0.77 0.11 42.34 20:20:05 2 49.54 0.00 2.45 1.07 0.11 46.83 20:20:05 3 49.06 0.00 2.61 0.51 0.11 47.71 Average: all 33.41 0.00 1.79 0.59 0.11 64.09 Average: 0 33.20 0.00 1.85 0.58 0.12 64.25 Average: 1 34.80 0.00 2.02 0.46 0.11 62.61 Average: 2 33.12 0.00 1.63 0.90 0.11 64.25 Average: 3 32.54 0.00 1.68 0.41 0.11 65.27