---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3559 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 9.8G 68G 13% / 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 11117 4 4243 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:a2:ce:5a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.72/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84017sec preferred_lft 84017sec inet6 fe80::f816:3eff:fea2:ce5a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:7f:4a:c5:6d:bc 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-3559) 08/09/26 _x86_64_ (4 CPU) 00:00:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:03 1.62 0.02 1.59 0.01 0.76 36.39 0.27 00:20:03 26.98 13.85 12.10 1.03 262.61 3142.73 2451.95 Average: 14.30 6.94 6.84 0.52 131.69 1589.57 1226.12 00:00:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:03 13016308 15514364 460540 2.81 100236 2586740 991648 5.69 340592 2699700 356 00:20:03 9970140 13508136 2450020 14.96 142988 3491372 2802280 16.09 620236 5377452 28624 Average: 11493224 14511250 1455280 8.89 121612 3039056 1896964 10.89 480414 4038576 14490 00:00:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:03 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 00:10:03 ens3 15.19 10.06 141.13 1.33 0.00 0.00 0.00 0.00 00:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:20:03 lo 1.31 1.31 0.13 0.13 0.00 0.00 0.00 0.00 00:20:03 ens3 102.82 80.96 603.78 20.87 0.00 0.00 0.00 0.00 00:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.71 0.71 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 59.01 45.51 372.45 11.10 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-3559) 08/09/26 _x86_64_ (4 CPU) 00:00:03 CPU %user %nice %system %iowait %steal %idle 00:10:03 all 0.22 0.00 0.04 0.01 0.02 99.70 00:10:03 0 0.08 0.00 0.03 0.00 0.03 99.86 00:10:03 1 0.09 0.00 0.03 0.02 0.03 99.84 00:10:03 2 0.30 0.00 0.05 0.01 0.03 99.62 00:10:03 3 0.42 0.00 0.07 0.03 0.01 99.47 00:20:03 all 66.21 0.07 2.23 0.07 0.10 31.31 00:20:03 0 67.30 0.00 2.39 0.02 0.10 30.19 00:20:03 1 64.63 0.18 2.01 0.15 0.10 32.93 00:20:03 2 65.62 0.10 2.26 0.08 0.10 31.84 00:20:03 3 67.30 0.00 2.27 0.05 0.10 30.27 Average: all 33.19 0.03 1.14 0.04 0.06 65.53 Average: 0 33.67 0.00 1.21 0.01 0.06 65.04 Average: 1 32.33 0.09 1.02 0.08 0.07 66.41 Average: 2 32.93 0.05 1.15 0.05 0.07 65.76 Average: 3 33.84 0.00 1.17 0.04 0.06 64.90