---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2423 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 10G 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 713 10842 4 4433 14933 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:61:66:9c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.80/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84760sec preferred_lft 84760sec inet6 fe80::f816:3eff:fe61:669c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 26:7e:07:25:58:72 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-2423) 08/05/26 _x86_64_ (4 CPU) 21:57:04 LINUX RESTART (4 CPU) 22:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:11 44.34 2.55 34.91 6.87 140.19 4226.46 4908.48 22:20:29 30.80 0.16 25.47 5.17 10.00 3393.31 6123.79 Average: 37.52 1.35 30.16 6.02 74.62 3806.85 5520.55 22:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:11 10164496 13693896 2265136 13.83 158208 3480544 2500784 14.35 580696 5234784 130160 22:20:29 11203160 15379676 574584 3.51 200700 4029540 1111952 6.38 787676 3897700 116 Average: 10683828 14536786 1419860 8.67 179454 3755042 1806368 10.37 684186 4566242 65138 22:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:11 lo 3999.56 3999.56 3814.29 3814.29 0.00 0.00 0.00 0.00 22:10:11 ens3 167.35 123.51 815.26 30.36 0.00 0.00 0.00 0.00 22:10:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:29 lo 2598.75 2598.75 2469.87 2469.87 0.00 0.00 0.00 0.00 22:20:29 ens3 103.75 86.97 135.48 107.01 0.00 0.00 0.00 0.00 22:20:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3294.06 3294.06 3137.19 3137.19 0.00 0.00 0.00 0.00 Average: ens3 135.32 105.10 472.90 68.96 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-2423) 08/05/26 _x86_64_ (4 CPU) 21:57:04 LINUX RESTART (4 CPU) 22:00:01 CPU %user %nice %system %iowait %steal %idle 22:10:11 all 58.04 0.00 3.49 0.16 0.10 38.20 22:10:11 0 58.19 0.00 3.84 0.08 0.10 37.79 22:10:11 1 58.06 0.00 3.28 0.08 0.10 38.48 22:10:11 2 59.42 0.00 3.46 0.10 0.10 36.92 22:10:11 3 56.49 0.00 3.38 0.40 0.10 39.63 22:20:29 all 39.82 0.00 2.49 1.06 0.15 56.48 22:20:29 0 39.49 0.00 2.64 1.24 0.20 56.43 22:20:29 1 43.08 0.00 2.65 1.33 0.10 52.84 22:20:29 2 36.63 0.00 2.30 0.50 0.09 60.48 22:20:29 3 40.09 0.00 2.36 1.15 0.23 56.17 Average: all 48.88 0.00 2.99 0.61 0.13 47.40 Average: 0 48.79 0.00 3.24 0.66 0.15 47.16 Average: 1 50.54 0.00 2.96 0.71 0.10 45.69 Average: 2 47.95 0.00 2.87 0.30 0.10 48.78 Average: 3 48.24 0.00 2.86 0.78 0.17 47.95