---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3511 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 11G 67G 14% / 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 661 10063 4 5264 14985 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:bb:4b:c7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.40/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83944sec preferred_lft 83944sec inet6 fe80::f816:3eff:febb:4bc7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:7f:5c:ff:0e:6e 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-3511) 08/08/26 _x86_64_ (4 CPU) 18:57:16 LINUX RESTART (4 CPU) 19:00:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:10:04 20.30 11.99 7.48 0.84 135.68 1131.00 45723.35 19:20:01 11.75 1.89 9.20 0.66 123.62 2585.46 1169.92 19:30:04 27.90 0.81 23.56 3.54 28.76 3271.01 14012.57 Average: 20.01 4.89 13.43 1.68 95.86 2330.08 20329.75 19:00:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:10:04 12611500 15505680 458108 2.80 110268 2958312 989396 5.68 439952 2950952 184 19:20:01 10139192 13852216 2104884 12.86 141756 3675892 2517848 14.45 644124 5186672 23488 19:30:04 8447072 13244132 2704196 16.52 180156 4639732 2863876 16.44 885084 6543532 231820 Average: 10399255 14200676 1755729 10.72 144060 3757979 2123707 12.19 656387 4893719 85164 19:00:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:10:04 lo 0.17 0.17 0.02 0.02 0.00 0.00 0.00 0.00 19:10:04 ens3 43.81 30.68 660.90 2.86 0.00 0.00 0.00 0.00 19:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:20:01 lo 0.86 0.86 0.08 0.08 0.00 0.00 0.00 0.00 19:20:01 ens3 94.44 75.57 682.62 16.29 0.00 0.00 0.00 0.00 19:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:04 lo 1533.12 1533.12 1461.51 1461.51 0.00 0.00 0.00 0.00 19:30:04 ens3 91.47 70.10 430.18 19.61 0.00 0.00 0.00 0.00 19:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 513.92 513.92 489.62 489.62 0.00 0.00 0.00 0.00 Average: ens3 76.56 58.77 590.81 12.92 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-3511) 08/08/26 _x86_64_ (4 CPU) 18:57:16 LINUX RESTART (4 CPU) 19:00:04 CPU %user %nice %system %iowait %steal %idle 19:10:04 all 0.72 0.08 0.34 0.22 0.02 98.62 19:10:04 0 0.68 0.02 0.42 0.28 0.03 98.57 19:10:04 1 0.84 0.05 0.40 0.19 0.03 98.50 19:10:04 2 0.46 0.10 0.26 0.22 0.02 98.94 19:10:04 3 0.91 0.14 0.27 0.18 0.02 98.47 19:20:01 all 44.93 0.00 1.48 0.04 0.08 53.48 19:20:01 0 45.65 0.00 1.69 0.07 0.08 52.51 19:20:01 1 44.37 0.00 1.29 0.02 0.08 54.24 19:20:01 2 43.48 0.00 1.50 0.04 0.08 54.91 19:20:01 3 46.24 0.00 1.43 0.02 0.07 52.25 19:30:04 all 68.30 0.00 2.78 0.07 0.10 28.75 19:30:04 0 67.71 0.00 2.73 0.09 0.09 29.37 19:30:04 1 67.95 0.00 2.64 0.05 0.09 29.25 19:30:04 2 68.54 0.00 2.56 0.04 0.09 28.75 19:30:04 3 68.99 0.00 3.20 0.08 0.10 27.64 Average: all 37.99 0.03 1.53 0.11 0.07 60.27 Average: 0 38.04 0.01 1.61 0.15 0.07 60.13 Average: 1 37.73 0.02 1.45 0.09 0.07 60.65 Average: 2 37.51 0.03 1.44 0.10 0.06 60.85 Average: 3 38.70 0.05 1.64 0.09 0.06 59.46