---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2827 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 12G 66G 16% / 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 681 9045 4 6261 14965 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:7f:9a:82 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.133/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84465sec preferred_lft 84465sec inet6 fe80::f816:3eff:fe7f:9a82/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e2:c4:56:9c:2d:84 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-2827) 08/07/26 _x86_64_ (4 CPU) 01:07:37 LINUX RESTART (4 CPU) 01:10:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:07 53.45 14.60 21.81 17.05 305.65 4444.20 311365.26 01:30:01 19.46 0.18 16.68 2.60 4.68 1573.67 30075.98 Average: 36.55 7.43 19.26 9.86 155.99 3016.77 171487.78 01:10:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:07 9339008 13176536 2779732 16.98 138872 3792056 3058212 17.55 742048 5878064 18696 01:30:01 8820572 13001800 2951552 18.03 159460 4089184 3198048 18.36 861104 6247188 21776 Average: 9079790 13089168 2865642 17.50 149166 3940620 3128130 17.96 801576 6062626 20236 01:10:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:07 lo 20.26 20.26 4.44 4.44 0.00 0.00 0.00 0.00 01:20:07 ens3 91.69 68.61 951.53 12.76 0.00 0.00 0.00 0.00 01:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:01 lo 1137.00 1137.00 1050.85 1050.85 0.00 0.00 0.00 0.00 01:30:01 ens3 36.78 26.23 250.34 5.60 0.00 0.00 0.00 0.00 01:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 575.58 575.58 524.79 524.79 0.00 0.00 0.00 0.00 Average: ens3 64.38 47.54 602.85 9.20 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-2827) 08/07/26 _x86_64_ (4 CPU) 01:07:37 LINUX RESTART (4 CPU) 01:10:07 CPU %user %nice %system %iowait %steal %idle 01:20:07 all 41.06 0.08 1.62 0.23 0.10 56.90 01:20:07 0 40.36 0.01 1.49 0.29 0.10 57.74 01:20:07 1 40.92 0.09 1.40 0.19 0.10 57.30 01:20:07 2 43.44 0.11 1.93 0.26 0.11 54.16 01:20:07 3 39.52 0.12 1.66 0.18 0.11 58.41 01:30:01 all 23.45 0.00 1.46 0.05 0.09 74.95 01:30:01 0 22.50 0.00 1.51 0.06 0.09 75.84 01:30:01 1 23.09 0.00 1.36 0.05 0.09 75.40 01:30:01 2 23.87 0.00 1.63 0.07 0.09 74.34 01:30:01 3 24.34 0.00 1.34 0.02 0.09 74.20 Average: all 32.31 0.04 1.54 0.14 0.10 65.87 Average: 0 31.48 0.01 1.50 0.17 0.09 66.74 Average: 1 32.06 0.05 1.38 0.12 0.10 66.30 Average: 2 33.71 0.05 1.78 0.17 0.10 64.19 Average: 3 31.98 0.06 1.50 0.10 0.10 66.26