---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38793 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 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 655 8610 4 6723 14991 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:57:24:f4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.113/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84555sec preferred_lft 84555sec inet6 fe80::f816:3eff:fe57:24f4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:81:22:52:96:f3 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-38793) 08/19/26 _x86_64_ (4 CPU) 15:08:04 LINUX RESTART (4 CPU) 15:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:20:01 54.59 3.35 34.29 16.95 191.57 6166.45 274291.03 15:30:12 31.24 0.02 28.07 3.14 0.60 2490.58 24893.15 Average: 42.81 1.67 31.15 9.99 95.27 4312.77 148523.77 15:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:20:01 9325888 13181048 2776128 16.96 140272 3828888 2818188 16.18 695404 5954264 21816 15:30:12 8271020 12661832 3291700 20.10 162988 4303344 3388532 19.45 822244 6837084 126716 Average: 8798454 12921440 3033914 18.53 151630 4066116 3103360 17.81 758824 6395674 74266 15:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:20:01 lo 1657.35 1657.35 1573.02 1573.02 0.00 0.00 0.00 0.00 15:20:01 ens3 123.61 92.74 1302.66 15.36 0.00 0.00 0.00 0.00 15:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:12 lo 1579.59 1579.59 1505.29 1505.29 0.00 0.00 0.00 0.00 15:30:12 ens3 21.55 19.95 29.69 6.16 0.00 0.00 0.00 0.00 15:30:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1618.14 1618.14 1538.87 1538.87 0.00 0.00 0.00 0.00 Average: ens3 72.14 56.03 660.72 10.72 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-38793) 08/19/26 _x86_64_ (4 CPU) 15:08:04 LINUX RESTART (4 CPU) 15:10:00 CPU %user %nice %system %iowait %steal %idle 15:20:01 all 67.84 0.00 2.79 1.56 0.12 27.69 15:20:01 0 66.63 0.00 2.67 0.52 0.11 30.07 15:20:01 1 67.82 0.00 2.64 1.41 0.12 28.01 15:20:01 2 69.05 0.00 2.70 0.99 0.12 27.14 15:20:01 3 67.86 0.00 3.15 3.32 0.12 25.55 15:30:12 all 63.69 0.00 2.56 0.15 0.12 33.49 15:30:12 0 63.20 0.00 2.30 0.06 0.12 34.33 15:30:12 1 64.74 0.00 2.75 0.16 0.11 32.24 15:30:12 2 61.79 0.00 2.42 0.31 0.11 35.37 15:30:12 3 65.05 0.00 2.76 0.06 0.12 32.01 Average: all 65.75 0.00 2.67 0.85 0.12 30.62 Average: 0 64.90 0.00 2.48 0.29 0.11 32.22 Average: 1 66.27 0.00 2.70 0.78 0.11 30.14 Average: 2 65.39 0.00 2.56 0.65 0.12 31.29 Average: 3 66.44 0.00 2.95 1.68 0.12 28.81