---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39093 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 66G 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 650 9279 4 6059 14996 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:d7:1f:3c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.51/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84286sec preferred_lft 84286sec inet6 fe80::f816:3eff:fed7:1f3c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:77:cc:4c:77:13 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-39093) 08/20/26 _x86_64_ (4 CPU) 16:17:06 LINUX RESTART (4 CPU) 16:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:30:31 35.64 2.41 18.02 15.22 139.01 3339.62 255836.96 16:40:05 8.98 0.01 7.67 1.30 0.10 686.12 26243.20 16:50:01 37.87 0.45 32.48 4.94 18.68 8646.18 74200.06 Average: 27.88 0.99 19.50 7.38 54.90 4248.94 122525.80 16:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:30:31 9695176 13193508 2766044 16.89 128196 3491708 3073964 17.64 665348 5603772 2652 16:40:05 9966648 13627872 2330440 14.23 138800 3629124 2654472 15.24 700372 5304332 7768 16:50:01 9548008 15395776 551172 3.37 175456 5676236 1101496 6.32 1588244 4693184 236 Average: 9736611 14072385 1882552 11.50 147484 4265689 2276644 13.07 984655 5200429 3552 16:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:30:31 lo 12.11 12.11 2.69 2.69 0.00 0.00 0.00 0.00 16:30:31 ens3 74.06 59.19 647.18 11.66 0.00 0.00 0.00 0.00 16:30:31 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:40:05 lo 55.87 55.87 14.12 14.12 0.00 0.00 0.00 0.00 16:40:05 ens3 7.17 5.82 5.00 2.14 0.00 0.00 0.00 0.00 16:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:50:01 lo 2526.10 2526.10 2431.88 2431.88 0.00 0.00 0.00 0.00 16:50:01 ens3 105.64 94.54 516.46 588.02 0.00 0.00 0.00 0.00 16:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 857.76 857.76 809.98 809.98 0.00 0.00 0.00 0.00 Average: ens3 63.18 53.86 399.13 199.30 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-39093) 08/20/26 _x86_64_ (4 CPU) 16:17:06 LINUX RESTART (4 CPU) 16:20:01 CPU %user %nice %system %iowait %steal %idle 16:30:31 all 31.52 0.00 1.33 2.10 0.27 64.78 16:30:31 0 31.84 0.00 1.11 4.15 0.26 62.65 16:30:31 1 30.33 0.00 1.34 0.99 0.23 67.10 16:30:31 2 32.52 0.00 1.51 0.15 0.25 65.57 16:30:31 3 31.37 0.00 1.37 3.09 0.34 63.82 16:40:05 all 17.71 0.00 0.94 0.42 0.10 80.84 16:40:05 0 17.54 0.00 1.02 0.11 0.10 81.23 16:40:05 1 17.83 0.00 0.92 0.13 0.10 81.02 16:40:05 2 17.25 0.00 0.85 0.60 0.10 81.20 16:40:05 3 18.21 0.00 0.96 0.83 0.10 79.89 16:50:01 all 54.14 0.00 3.00 0.62 0.12 42.12 16:50:01 0 57.93 0.00 3.14 0.60 0.13 38.21 16:50:01 1 50.55 0.00 2.63 0.92 0.12 45.79 16:50:01 2 50.94 0.00 3.23 0.15 0.12 45.56 16:50:01 3 57.16 0.00 3.01 0.81 0.12 38.90 Average: all 34.58 0.00 1.76 1.07 0.17 62.42 Average: 0 35.88 0.00 1.75 1.68 0.17 60.52 Average: 1 33.04 0.00 1.64 0.69 0.15 64.48 Average: 2 33.73 0.00 1.87 0.29 0.16 63.94 Average: 3 35.68 0.00 1.78 1.61 0.19 60.73