---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37553 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 13G 66G 16% / 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 662 8502 4 6824 14984 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:e7:8f:95 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.72/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83862sec preferred_lft 83862sec inet6 fe80::f816:3eff:fee7:8f95/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:43:5f:93:01:57 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-37553) 08/14/26 _x86_64_ (4 CPU) 13:55:28 LINUX RESTART (4 CPU) 14:00:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:10:18 37.99 2.45 32.05 3.49 146.97 4622.52 6589.58 14:20:19 28.62 0.03 25.65 2.94 0.84 2279.07 13207.68 14:30:20 9.37 0.03 8.67 0.67 1.13 2970.49 28474.82 Average: 25.32 0.83 22.12 2.37 49.63 3290.62 16096.02 14:00:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:10:18 8647820 12450788 3506648 21.42 143404 3770832 3513116 20.17 727788 6603192 24620 14:20:19 8548504 12739936 3214196 19.63 162948 4109704 3179936 18.25 833780 6549752 30104 14:30:20 5092060 10035076 5916576 36.14 167392 4830300 5587688 32.07 1051088 9749952 276 Average: 7429461 11741933 4212473 25.73 157915 4236945 4093580 23.50 870885 7634299 18333 14:00:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:10:18 lo 1666.49 1666.49 1582.25 1582.25 0.00 0.00 0.00 0.00 14:10:18 ens3 85.80 63.52 619.49 12.19 0.00 0.00 0.00 0.00 14:10:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:19 lo 1383.69 1383.69 1318.68 1318.68 0.00 0.00 0.00 0.00 14:20:19 ens3 26.50 22.79 21.57 7.47 0.00 0.00 0.00 0.00 14:20:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:20 lo 591.39 591.39 7002.56 7002.56 0.00 0.00 0.00 0.00 14:30:20 ens3 9.04 7.31 7.27 2.54 0.00 0.00 0.00 0.00 14:30:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1213.59 1213.59 3302.83 3302.83 0.00 0.00 0.00 0.00 Average: ens3 40.43 31.20 216.04 7.40 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-37553) 08/14/26 _x86_64_ (4 CPU) 13:55:28 LINUX RESTART (4 CPU) 14:00:17 CPU %user %nice %system %iowait %steal %idle 14:10:18 all 71.77 0.00 2.78 0.30 0.13 25.02 14:10:18 0 71.57 0.00 2.60 0.39 0.14 25.30 14:10:18 1 71.35 0.00 2.59 0.20 0.13 25.74 14:10:18 2 72.39 0.00 2.98 0.04 0.13 24.46 14:10:18 3 71.75 0.00 2.96 0.56 0.13 24.60 14:20:19 all 62.94 0.00 2.54 1.10 0.14 33.27 14:20:19 0 64.59 0.00 2.02 1.63 0.13 31.64 14:20:19 1 63.49 0.00 2.63 0.39 0.14 33.36 14:20:19 2 62.88 0.00 3.11 0.50 0.13 33.38 14:20:19 3 60.83 0.00 2.41 1.89 0.19 34.69 14:30:20 all 31.81 0.00 1.21 0.05 0.10 66.83 14:30:20 0 32.36 0.00 1.20 0.03 0.08 66.33 14:30:20 1 29.31 0.00 1.54 0.03 0.08 69.04 14:30:20 2 35.50 0.00 1.14 0.04 0.08 63.23 14:30:20 3 30.08 0.00 0.97 0.09 0.14 68.72 Average: all 55.47 0.00 2.18 0.48 0.12 41.74 Average: 0 56.13 0.00 1.94 0.68 0.12 41.14 Average: 1 54.66 0.00 2.25 0.20 0.12 42.77 Average: 2 56.89 0.00 2.41 0.19 0.11 40.39 Average: 3 54.21 0.00 2.11 0.85 0.15 42.69