---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37555 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: 5599.86 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 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 765 9490 4 5733 14881 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:d8:a0:36 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.252/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84512sec preferred_lft 84512sec inet6 fe80::f816:3eff:fed8:a036/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:92:03:38:28:1c 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-37555) 08/14/26 _x86_64_ (4 CPU) 14:07:35 LINUX RESTART (4 CPU) 14:10:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:20:06 22.56 2.65 18.25 1.66 146.23 4686.76 8804.43 14:30:01 32.33 0.07 28.89 3.37 1.70 3192.06 31003.72 Average: 27.42 1.36 23.55 2.51 74.27 3942.59 19856.86 14:10:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:20:06 9803032 13575168 2381028 14.54 155780 3703020 2649812 15.21 705980 5423752 16072 14:30:01 7276996 12543516 3405816 20.80 189932 5085232 3666472 21.05 1029500 7548124 906560 Average: 8540014 13059342 2893422 17.67 172856 4394126 3158142 18.13 867740 6485938 461316 14:10:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:20:06 lo 682.37 682.37 650.11 650.11 0.00 0.00 0.00 0.00 14:20:06 ens3 100.00 80.33 832.67 17.36 0.00 0.00 0.00 0.00 14:20:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:01 lo 1520.61 1520.61 1449.40 1449.40 0.00 0.00 0.00 0.00 14:30:01 ens3 57.52 44.13 236.85 12.91 0.00 0.00 0.00 0.00 14:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1099.71 1099.71 1048.06 1048.06 0.00 0.00 0.00 0.00 Average: ens3 78.85 62.31 536.03 15.15 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-37555) 08/14/26 _x86_64_ (4 CPU) 14:07:35 LINUX RESTART (4 CPU) 14:10:06 CPU %user %nice %system %iowait %steal %idle 14:20:06 all 58.15 0.00 1.96 0.07 0.08 39.73 14:20:06 0 57.42 0.00 1.83 0.09 0.09 40.58 14:20:06 1 57.65 0.00 2.13 0.05 0.09 40.08 14:20:06 2 58.81 0.00 2.09 0.11 0.09 38.91 14:20:06 3 58.72 0.00 1.80 0.04 0.08 39.35 14:30:01 all 55.83 0.00 2.44 0.07 0.09 41.57 14:30:01 0 56.59 0.00 2.81 0.04 0.09 40.47 14:30:01 1 54.26 0.00 2.42 0.16 0.09 43.08 14:30:01 2 54.54 0.00 2.32 0.05 0.08 43.01 14:30:01 3 57.92 0.00 2.21 0.05 0.09 39.73 Average: all 57.00 0.00 2.20 0.07 0.09 40.65 Average: 0 57.01 0.00 2.32 0.06 0.09 40.52 Average: 1 55.96 0.00 2.27 0.11 0.09 41.57 Average: 2 56.69 0.00 2.20 0.08 0.08 40.95 Average: 3 58.32 0.00 2.01 0.04 0.08 39.54