---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39396 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 66G 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 734 9308 4 5946 14911 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:09:d4:a9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.225/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84444sec preferred_lft 84444sec inet6 fe80::f816:3eff:fe09:d4a9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:61:21:44:50:2d 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-39396) 08/21/26 _x86_64_ (4 CPU) 07:28:39 LINUX RESTART (4 CPU) 07:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:40:24 31.33 3.60 25.72 2.01 203.67 6646.31 17885.14 07:50:01 34.23 0.05 30.56 3.62 1.28 3226.74 26518.84 08:00:01 18.61 0.15 16.12 2.34 10.10 5891.29 3055.88 Average: 28.02 1.31 24.07 2.64 74.19 5297.70 15708.27 07:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:40:24 9508708 13451856 2503652 15.29 158408 3867908 2877888 16.52 716036 5719184 19456 07:50:01 7984420 12587316 3363656 20.54 184092 4451704 3551672 20.39 862840 7047048 124728 08:00:01 9643324 15370944 574076 3.51 205752 5490244 1104860 6.34 945312 5225632 2536 Average: 9045484 13803372 2147128 13.11 182751 4603285 2511473 14.42 841396 5997288 48907 07:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:40:24 lo 528.94 528.94 503.92 503.92 0.00 0.00 0.00 0.00 07:40:24 ens3 121.98 86.90 1212.01 17.88 0.00 0.00 0.00 0.00 07:40:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:01 lo 1794.98 1794.98 1711.47 1711.47 0.00 0.00 0.00 0.00 07:50:01 ens3 49.13 37.28 144.39 11.68 0.00 0.00 0.00 0.00 07:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:01 lo 21.72 21.72 10.48 10.48 0.00 0.00 0.00 0.00 08:00:01 ens3 78.41 74.03 126.00 223.02 0.00 0.00 0.00 0.00 08:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 765.83 765.83 726.65 726.65 0.00 0.00 0.00 0.00 Average: ens3 84.08 66.69 507.37 84.31 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-39396) 08/21/26 _x86_64_ (4 CPU) 07:28:39 LINUX RESTART (4 CPU) 07:30:01 CPU %user %nice %system %iowait %steal %idle 07:40:24 all 51.20 0.00 1.92 0.62 0.11 46.15 07:40:24 0 50.71 0.00 1.72 0.49 0.10 46.98 07:40:24 1 53.12 0.00 1.92 0.57 0.11 44.28 07:40:24 2 51.90 0.00 1.95 0.19 0.11 45.85 07:40:24 3 49.06 0.00 2.08 1.25 0.11 47.50 07:50:01 all 63.33 0.00 2.71 0.29 0.16 33.51 07:50:01 0 62.35 0.00 2.46 0.11 0.14 34.94 07:50:01 1 62.96 0.00 2.54 0.45 0.20 33.85 07:50:01 2 63.83 0.00 2.98 0.17 0.14 32.87 07:50:01 3 64.20 0.00 2.87 0.43 0.15 32.36 08:00:01 all 46.43 0.00 1.61 0.12 0.15 51.69 08:00:01 0 44.09 0.00 1.62 0.20 0.20 53.89 08:00:01 1 45.58 0.00 1.33 0.13 0.12 52.84 08:00:01 2 46.34 0.00 1.67 0.11 0.13 51.75 08:00:01 3 49.72 0.00 1.83 0.04 0.15 48.26 Average: all 53.49 0.00 2.07 0.35 0.14 43.95 Average: 0 52.23 0.00 1.92 0.27 0.15 45.43 Average: 1 53.76 0.00 1.92 0.38 0.14 43.79 Average: 2 53.87 0.00 2.19 0.16 0.12 43.66 Average: 3 54.13 0.00 2.25 0.58 0.13 42.91