---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2080 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 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 663 10062 4 5263 14983 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:ef:eb:27 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.134/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83965sec preferred_lft 83965sec inet6 fe80::f816:3eff:feef:eb27/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 72:1c:23:65:0e:16 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-2080) 08/04/26 _x86_64_ (4 CPU) 14:06:28 LINUX RESTART (4 CPU) 14:10:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:20:01 19.60 12.62 6.36 0.61 375.43 1135.17 17348.22 14:30:18 26.22 1.83 10.88 13.52 119.60 2599.03 234094.00 14:40:12 28.85 0.83 24.51 3.52 29.26 3286.56 11894.54 Average: 24.94 5.01 13.92 6.01 172.90 2350.49 90102.70 14:10:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:20:01 12608740 15502620 462128 2.82 108320 2959544 1005152 5.77 460916 2948888 316 14:30:18 9789500 13536552 2420960 14.79 140844 3707924 2779652 15.96 674336 5503592 22564 14:40:12 8240228 13147100 2801676 17.11 176920 4747804 3570676 20.50 985020 6640184 327212 Average: 10212823 14062091 1894921 11.57 142028 3805091 2451827 14.07 706757 5030888 116697 14:10:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:20:01 lo 0.17 0.17 0.02 0.02 0.00 0.00 0.00 0.00 14:20:01 ens3 64.05 31.87 606.37 2.81 0.00 0.00 0.00 0.00 14:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:18 lo 0.95 0.95 0.09 0.09 0.00 0.00 0.00 0.00 14:30:18 ens3 77.66 66.48 629.42 15.77 0.00 0.00 0.00 0.00 14:30:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:12 lo 1716.06 1716.06 1635.85 1635.85 0.00 0.00 0.00 0.00 14:40:12 ens3 89.03 67.71 443.58 19.28 0.00 0.00 0.00 0.00 14:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 568.12 568.12 541.24 541.24 0.00 0.00 0.00 0.00 Average: ens3 77.00 55.63 560.44 12.72 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-2080) 08/04/26 _x86_64_ (4 CPU) 14:06:28 LINUX RESTART (4 CPU) 14:10:17 CPU %user %nice %system %iowait %steal %idle 14:20:01 all 0.71 0.08 0.21 0.54 0.02 98.44 14:20:01 0 0.60 0.05 0.16 0.73 0.01 98.45 14:20:01 1 1.30 0.08 0.25 0.25 0.03 98.09 14:20:01 2 0.48 0.11 0.23 0.81 0.01 98.36 14:20:01 3 0.45 0.09 0.20 0.38 0.02 98.86 14:30:18 all 47.82 0.00 1.65 0.13 0.09 50.31 14:30:18 0 46.78 0.00 1.41 0.16 0.08 51.57 14:30:18 1 48.71 0.00 1.73 0.14 0.09 49.33 14:30:18 2 46.78 0.00 1.60 0.13 0.09 51.40 14:30:18 3 49.02 0.00 1.85 0.09 0.09 48.94 14:40:12 all 67.74 0.00 2.75 0.23 0.12 29.16 14:40:12 0 68.46 0.00 2.69 0.35 0.12 28.38 14:40:12 1 67.82 0.00 2.77 0.12 0.12 29.17 14:40:12 2 67.49 0.00 2.55 0.21 0.12 29.63 14:40:12 3 67.18 0.00 2.98 0.25 0.12 29.47 Average: all 39.05 0.03 1.54 0.30 0.08 59.01 Average: 0 38.92 0.02 1.43 0.41 0.07 59.16 Average: 1 39.54 0.03 1.59 0.17 0.08 58.59 Average: 2 38.54 0.03 1.47 0.38 0.07 59.50 Average: 3 39.19 0.03 1.69 0.24 0.08 58.78