---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-36950 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: 5599.99 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 704 9561 4 5723 14942 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:3f:12:81 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.74/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84247sec preferred_lft 84247sec inet6 fe80::f816:3eff:fe3f:1281/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:26:8b:b4:15:25 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-36950) 08/12/26 _x86_64_ (4 CPU) 14:06:16 LINUX RESTART (4 CPU) 14:10:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:20:01 14.60 2.67 11.18 0.75 146.75 3709.83 578.62 14:30:05 47.73 0.06 30.56 17.11 1.62 3248.59 267716.24 14:40:06 26.78 0.15 23.60 3.02 10.17 6471.29 80153.42 Average: 29.76 0.95 21.82 6.99 52.54 4476.60 116659.74 14:10:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:20:01 9618788 13227640 2731352 16.68 144636 3562608 3080664 17.68 634852 5714528 64644 14:30:05 8111900 12531912 3420768 20.89 177868 4281508 3605744 20.70 849848 6939296 296756 14:40:06 9884504 15383064 563724 3.44 200220 5273600 1116120 6.41 922832 5002880 244 Average: 9205064 13714205 2238615 13.67 174241 4372572 2600843 14.93 802511 5885568 120548 14:10:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:20:01 lo 296.33 296.33 281.94 281.94 0.00 0.00 0.00 0.00 14:20:01 ens3 99.44 75.39 770.00 14.55 0.00 0.00 0.00 0.00 14:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:05 lo 1778.70 1778.70 1696.23 1696.23 0.00 0.00 0.00 0.00 14:30:05 ens3 52.34 40.72 204.63 11.56 0.00 0.00 0.00 0.00 14:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:06 lo 185.61 185.61 169.42 169.42 0.00 0.00 0.00 0.00 14:40:06 ens3 71.06 63.46 119.37 185.35 0.00 0.00 0.00 0.00 14:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 756.21 756.21 718.40 718.40 0.00 0.00 0.00 0.00 Average: ens3 74.19 59.79 363.44 70.54 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-36950) 08/12/26 _x86_64_ (4 CPU) 14:06:16 LINUX RESTART (4 CPU) 14:10:04 CPU %user %nice %system %iowait %steal %idle 14:20:01 all 41.92 0.00 1.35 0.06 0.09 56.59 14:20:01 0 42.06 0.00 1.29 0.06 0.09 56.50 14:20:01 1 44.33 0.00 1.20 0.03 0.09 54.35 14:20:01 2 40.89 0.00 1.60 0.10 0.09 57.32 14:20:01 3 40.41 0.00 1.29 0.03 0.09 58.18 14:30:05 all 61.77 0.00 2.66 0.07 0.12 35.39 14:30:05 0 62.44 0.00 2.78 0.04 0.12 34.62 14:30:05 1 61.48 0.00 2.72 0.05 0.12 35.63 14:30:05 2 61.14 0.00 2.52 0.11 0.12 36.11 14:30:05 3 62.03 0.00 2.60 0.06 0.12 35.19 14:40:06 all 50.39 0.00 1.81 0.07 0.11 47.62 14:40:06 0 51.03 0.00 1.85 0.02 0.12 46.98 14:40:06 1 54.72 0.00 2.33 0.07 0.12 42.77 14:40:06 2 52.21 0.00 1.59 0.04 0.11 46.04 14:40:06 3 43.59 0.00 1.46 0.17 0.11 54.68 Average: all 51.39 0.00 1.94 0.07 0.11 46.49 Average: 0 51.88 0.00 1.98 0.04 0.11 46.00 Average: 1 53.54 0.00 2.09 0.05 0.11 44.22 Average: 2 51.45 0.00 1.91 0.09 0.11 46.45 Average: 3 48.71 0.00 1.79 0.09 0.11 49.31