---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-5118 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 UTC 2025 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 9.8G 68G 13% / 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 685 10864 4 4440 14961 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:42:04:50 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.27/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83856sec preferred_lft 83856sec inet6 fe80::f816:3eff:fe42:450/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:6f:7a:4e:c5:00 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-5118) 01/27/26 _x86_64_ (4 CPU) 21:40:19 LINUX RESTART (4 CPU) 21:50:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:00:21 42.01 4.70 36.25 1.07 267.46 3440.44 973.55 22:10:02 60.49 0.01 38.62 21.86 0.41 3197.74 254245.71 22:20:21 22.06 0.14 18.28 3.63 6.60 2581.06 1717.23 Average: 41.11 1.62 30.83 8.66 91.55 3066.53 82968.35 21:50:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:00:21 11199072 14238600 1725232 10.54 114768 3103196 1993448 11.44 642872 4195456 35816 22:10:02 10112660 13788288 2169464 13.25 169168 3615648 2579244 14.80 808588 5058452 87448 22:20:21 11178860 15361256 592852 3.62 195244 4056148 1097764 6.30 977516 3742500 220 Average: 10830197 14462715 1495849 9.14 159727 3591664 1890152 10.85 809659 4332136 41161 21:50:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:00:21 lo 305.54 305.54 291.02 291.02 0.00 0.00 0.00 0.00 22:00:21 ens3 94.99 68.38 780.61 14.48 0.00 0.00 0.00 0.00 22:00:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:10:02 lo 4554.48 4554.48 4341.16 4341.16 0.00 0.00 0.00 0.00 22:10:02 ens3 103.33 75.77 28.70 25.94 0.00 0.00 0.00 0.00 22:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:21 lo 1727.75 1727.75 1634.24 1634.24 0.00 0.00 0.00 0.00 22:20:21 ens3 93.44 91.39 114.09 153.44 0.00 0.00 0.00 0.00 22:20:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2165.98 2165.98 2060.13 2060.13 0.00 0.00 0.00 0.00 Average: ens3 97.15 78.68 308.69 65.98 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-5118) 01/27/26 _x86_64_ (4 CPU) 21:40:19 LINUX RESTART (4 CPU) 21:50:21 CPU %user %nice %system %iowait %steal %idle 22:00:21 all 12.67 0.00 0.79 3.07 0.04 83.42 22:00:21 0 14.76 0.00 0.96 4.61 0.04 79.62 22:00:21 1 11.90 0.00 0.95 3.68 0.05 83.42 22:00:21 2 11.88 0.00 0.70 0.47 0.04 86.91 22:00:21 3 12.14 0.00 0.57 3.53 0.04 83.72 22:10:02 all 64.07 0.00 4.02 2.14 0.12 29.66 22:10:02 0 63.65 0.00 3.58 3.00 0.12 29.65 22:10:02 1 63.70 0.00 4.04 3.28 0.11 28.87 22:10:02 2 63.69 0.00 4.24 0.28 0.12 31.67 22:10:02 3 65.23 0.00 4.21 1.99 0.12 28.45 22:20:21 all 32.92 0.00 1.87 0.90 0.10 64.20 22:20:21 0 34.25 0.00 1.98 0.75 0.10 62.92 22:20:21 1 31.66 0.00 1.86 0.41 0.10 65.97 22:20:21 2 29.45 0.00 1.85 2.03 0.10 66.58 22:20:21 3 36.34 0.00 1.81 0.42 0.10 61.34 Average: all 36.18 0.00 2.20 2.02 0.09 59.51 Average: 0 37.21 0.00 2.16 2.76 0.09 57.79 Average: 1 35.37 0.00 2.26 2.43 0.09 59.86 Average: 2 34.59 0.00 2.23 0.95 0.09 62.14 Average: 3 37.54 0.00 2.17 1.96 0.08 58.25