---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2074 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 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 744 9304 4 5940 14902 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:41:98:5c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.121/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84651sec preferred_lft 84651sec inet6 fe80::f816:3eff:fe41:985c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:43:03:20:d7:ba 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-2074) 08/04/26 _x86_64_ (4 CPU) 13:39:03 LINUX RESTART (4 CPU) 13:40:25 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:50:01 30.32 3.38 24.82 2.12 178.50 6616.70 21834.27 14:00:01 55.69 0.37 45.13 10.19 11.23 3598.66 37688.51 Average: 43.26 1.84 35.18 6.23 93.16 5076.97 29922.73 13:40:25 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:50:01 9662208 13632212 2322924 14.19 164420 3897860 2596136 14.90 674288 5609416 100876 14:00:01 8735360 13256324 2693488 16.45 201264 4367320 2793448 16.03 831752 6327588 16216 Average: 9198784 13444268 2508206 15.32 182842 4132590 2694792 15.47 753020 5968502 58546 13:40:25 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:50:01 lo 1.57 1.57 0.16 0.16 0.00 0.00 0.00 0.00 13:50:01 ens3 150.46 103.16 1074.75 20.28 0.00 0.00 0.00 0.00 13:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:01 lo 5929.17 5929.17 5653.05 5653.05 0.00 0.00 0.00 0.00 14:00:01 ens3 60.62 48.38 315.38 11.71 0.00 0.00 0.00 0.00 14:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3025.69 3025.69 2884.13 2884.13 0.00 0.00 0.00 0.00 Average: ens3 104.63 75.22 687.34 15.91 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-2074) 08/04/26 _x86_64_ (4 CPU) 13:39:03 LINUX RESTART (4 CPU) 13:40:25 CPU %user %nice %system %iowait %steal %idle 13:50:01 all 68.46 0.00 2.62 0.16 0.09 28.68 13:50:01 0 69.04 0.00 2.46 0.09 0.09 28.31 13:50:01 1 66.30 0.00 2.49 0.21 0.09 30.92 13:50:01 2 66.49 0.00 2.66 0.13 0.09 30.63 13:50:01 3 72.00 0.00 2.85 0.21 0.09 24.85 14:00:01 all 63.66 0.00 4.17 0.09 0.09 31.99 14:00:01 0 63.48 0.00 3.92 0.09 0.09 32.42 14:00:01 1 63.71 0.00 4.76 0.09 0.09 31.36 14:00:01 2 64.07 0.00 4.30 0.06 0.09 31.49 14:00:01 3 63.39 0.00 3.72 0.13 0.09 32.67 Average: all 66.01 0.00 3.41 0.13 0.09 30.36 Average: 0 66.21 0.00 3.20 0.09 0.09 30.40 Average: 1 64.98 0.00 3.64 0.14 0.09 31.15 Average: 2 65.25 0.00 3.50 0.09 0.09 31.07 Average: 3 67.61 0.00 3.29 0.17 0.09 28.84