---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-40447 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 757 9315 4 5915 14888 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:38:d3:c4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.171/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84043sec preferred_lft 84043sec inet6 fe80::f816:3eff:fe38:d3c4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:d0:11:76:54:26 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-40447) 08/23/26 _x86_64_ (4 CPU) 20:24:16 LINUX RESTART (4 CPU) 20:30:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:05 16.16 2.32 12.74 1.10 136.69 4163.97 2493.55 20:50:05 73.03 0.34 47.49 25.20 10.38 4100.31 246408.11 21:00:05 32.83 0.15 26.94 5.74 10.30 4938.44 5708.50 Average: 40.68 0.94 29.06 10.69 52.43 4401.01 84892.64 20:30:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:05 8803832 12706344 3248876 19.84 177332 3789536 3539408 20.32 667464 6437480 189848 20:50:05 8504016 13114248 2835432 17.32 212064 4415624 3077532 17.67 843544 6510080 122164 21:00:05 9684956 15376544 568188 3.47 247176 5402336 1128332 6.48 1222444 4882820 116 Average: 8997601 13732379 2217499 13.54 212191 4535832 2581757 14.82 911151 5943460 104043 20:30:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:05 lo 1.38 1.38 0.14 0.14 0.00 0.00 0.00 0.00 20:40:05 ens3 115.05 86.72 603.42 21.41 0.00 0.00 0.00 0.00 20:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:05 lo 6037.08 6037.08 5758.17 5758.17 0.00 0.00 0.00 0.00 20:50:05 ens3 96.76 71.02 270.06 21.29 0.00 0.00 0.00 0.00 20:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:05 lo 2567.05 2567.05 2435.11 2435.11 0.00 0.00 0.00 0.00 21:00:05 ens3 113.31 99.75 139.81 151.93 0.00 0.00 0.00 0.00 21:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2869.41 2869.41 2732.01 2732.01 0.00 0.00 0.00 0.00 Average: ens3 108.37 85.83 337.67 64.90 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-40447) 08/23/26 _x86_64_ (4 CPU) 20:24:16 LINUX RESTART (4 CPU) 20:30:05 CPU %user %nice %system %iowait %steal %idle 20:40:05 all 69.77 0.00 2.45 0.06 0.09 27.63 20:40:05 0 68.51 0.00 2.24 0.05 0.10 29.10 20:40:05 1 70.07 0.00 2.35 0.05 0.09 27.43 20:40:05 2 69.69 0.00 2.38 0.02 0.09 27.81 20:40:05 3 70.79 0.00 2.84 0.10 0.09 26.19 20:50:05 all 62.44 0.00 4.30 0.12 0.09 33.05 20:50:05 0 60.68 0.00 4.28 0.10 0.09 34.85 20:50:05 1 62.67 0.00 4.13 0.16 0.09 32.95 20:50:05 2 64.05 0.00 4.40 0.08 0.09 31.37 20:50:05 3 62.34 0.00 4.39 0.16 0.09 33.02 21:00:05 all 49.48 0.00 2.81 0.10 0.08 47.52 21:00:05 0 46.29 0.00 2.78 0.10 0.08 50.75 21:00:05 1 48.44 0.00 2.81 0.13 0.08 48.55 21:00:05 2 51.34 0.00 2.88 0.18 0.08 45.52 21:00:05 3 51.87 0.00 2.78 0.02 0.08 45.25 Average: all 60.56 0.00 3.19 0.09 0.09 36.07 Average: 0 58.50 0.00 3.10 0.08 0.09 38.23 Average: 1 60.40 0.00 3.10 0.11 0.09 36.31 Average: 2 61.69 0.00 3.22 0.09 0.09 34.90 Average: 3 61.66 0.00 3.34 0.09 0.09 34.82