---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-41253 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 65G 17% / 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 8133 4 7150 14940 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:31:a8:b1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.34/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83761sec preferred_lft 83761sec inet6 fe80::f816:3eff:fe31:a8b1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ba:e8:04:9f:02:9e 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-41253) 08/26/26 _x86_64_ (4 CPU) 14:15:20 LINUX RESTART (4 CPU) 14:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:30:00 31.52 2.96 25.58 2.99 162.12 4210.61 8296.28 14:40:00 25.41 0.02 22.71 2.69 0.41 2074.69 14208.65 14:50:00 17.03 0.03 15.52 1.48 0.88 3503.17 7435.09 Average: 24.65 1.00 21.27 2.38 54.47 3262.83 9980.01 14:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:30:00 9652060 13288232 2668912 16.30 143460 3609360 2789192 16.01 684812 5641748 16688 14:40:00 8555992 12571456 3382376 20.66 162052 3939620 3358860 19.28 782296 6605524 22528 14:50:00 5125552 10018104 5933012 36.24 175208 4769792 5735784 32.92 1042456 9719128 18448 Average: 7777868 11959264 3994767 24.40 160240 4106257 3961279 22.74 836521 7322133 19221 14:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:30:00 lo 1644.28 1644.28 1561.24 1561.24 0.00 0.00 0.00 0.00 14:30:00 ens3 129.22 103.52 1033.70 21.97 0.00 0.00 0.00 0.00 14:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:00 lo 1182.45 1182.45 1126.38 1126.38 0.00 0.00 0.00 0.00 14:40:00 ens3 38.60 30.81 19.31 10.90 0.00 0.00 0.00 0.00 14:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:00 lo 605.83 605.83 2826.99 2826.99 0.00 0.00 0.00 0.00 14:50:00 ens3 25.61 20.45 15.51 6.92 0.00 0.00 0.00 0.00 14:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1144.18 1144.18 1838.20 1838.20 0.00 0.00 0.00 0.00 Average: ens3 64.48 51.59 356.18 13.26 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-41253) 08/26/26 _x86_64_ (4 CPU) 14:15:20 LINUX RESTART (4 CPU) 14:20:00 CPU %user %nice %system %iowait %steal %idle 14:30:00 all 63.69 0.00 2.62 0.42 0.12 33.15 14:30:00 0 61.72 0.00 2.38 0.45 0.12 35.33 14:30:00 1 63.84 0.00 2.51 0.39 0.11 33.15 14:30:00 2 63.32 0.00 2.56 0.53 0.12 33.47 14:30:00 3 65.88 0.00 3.02 0.32 0.11 30.67 14:40:00 all 62.98 0.00 2.32 0.72 0.11 33.87 14:40:00 0 63.33 0.00 2.30 1.03 0.12 33.22 14:40:00 1 61.94 0.00 2.42 0.71 0.11 34.82 14:40:00 2 63.18 0.00 2.13 0.58 0.11 34.01 14:40:00 3 63.47 0.00 2.42 0.58 0.11 33.42 14:50:00 all 36.13 0.00 1.55 0.54 0.10 61.67 14:50:00 0 35.97 0.00 1.30 0.69 0.10 61.94 14:50:00 1 32.28 0.00 1.73 0.70 0.11 65.18 14:50:00 2 35.88 0.00 1.61 0.46 0.10 61.94 14:50:00 3 40.39 0.00 1.56 0.33 0.10 57.62 Average: all 54.26 0.00 2.16 0.56 0.11 42.91 Average: 0 53.67 0.00 2.00 0.72 0.11 43.51 Average: 1 52.69 0.00 2.22 0.60 0.11 44.39 Average: 2 54.12 0.00 2.10 0.52 0.11 43.15 Average: 3 56.57 0.00 2.33 0.41 0.11 40.59