---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38010 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: 5600.00 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 640 10101 4 5247 15006 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:8a:f0:6b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.165/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84686sec preferred_lft 84686sec inet6 fe80::f816:3eff:fe8a:f06b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:b9:40:9b:90:56 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-38010) 08/16/26 _x86_64_ (4 CPU) 00:25:24 LINUX RESTART (4 CPU) 00:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:15 20.71 0.41 6.81 13.49 47.59 1412.28 235813.86 00:50:15 16.88 0.52 15.24 1.11 19.86 2239.53 7186.57 Average: 18.82 0.47 10.97 7.38 33.90 1820.81 122908.26 00:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:15 10330636 13691980 2269892 13.86 120652 3388764 2599592 14.92 527388 5160344 17120 00:50:15 8874920 12987692 2969636 18.14 140364 4080120 3128608 17.96 749448 6339864 273844 Average: 9602778 13339836 2619764 16.00 130508 3734442 2864100 16.44 638418 5750104 145482 00:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:15 lo 0.65 0.65 0.37 0.37 0.00 0.00 0.00 0.00 00:40:15 ens3 29.37 18.57 392.92 4.05 0.00 0.00 0.00 0.00 00:40:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:15 lo 444.74 444.74 423.50 423.50 0.00 0.00 0.00 0.00 00:50:15 ens3 42.97 31.81 443.48 5.20 0.00 0.00 0.00 0.00 00:50:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 219.96 219.96 209.33 209.33 0.00 0.00 0.00 0.00 Average: ens3 36.09 25.10 417.89 4.62 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-38010) 08/16/26 _x86_64_ (4 CPU) 00:25:24 LINUX RESTART (4 CPU) 00:30:01 CPU %user %nice %system %iowait %steal %idle 00:40:15 all 46.29 0.00 0.85 0.10 0.08 52.68 00:40:15 0 60.02 0.00 1.01 0.06 0.09 38.82 00:40:15 1 36.31 0.00 0.84 0.04 0.07 62.74 00:40:15 2 39.01 0.00 0.73 0.24 0.08 59.94 00:40:15 3 49.81 0.00 0.82 0.06 0.08 49.24 00:50:15 all 60.23 0.00 1.32 0.04 0.09 38.31 00:50:15 0 53.49 0.00 1.17 0.02 0.09 45.22 00:50:15 1 57.30 0.00 1.53 0.08 0.09 41.00 00:50:15 2 68.34 0.00 1.30 0.03 0.09 30.24 00:50:15 3 61.80 0.00 1.29 0.04 0.09 36.79 Average: all 53.17 0.00 1.08 0.07 0.09 45.59 Average: 0 56.80 0.00 1.09 0.04 0.09 41.98 Average: 1 46.67 0.00 1.18 0.06 0.08 52.01 Average: 2 53.47 0.00 1.01 0.14 0.09 45.29 Average: 3 55.73 0.00 1.05 0.05 0.09 43.09