---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7988 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 12G 66G 16% / 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 648 8680 4 6660 14998 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:0e:1b:b4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.241/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84159sec preferred_lft 84159sec inet6 fe80::f816:3eff:fe0e:1bb4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:ba:7c:9a:9b:dd 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-7988) 02/05/26 _x86_64_ (4 CPU) 17:58:39 LINUX RESTART (4 CPU) 18:00:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:10:18 43.29 4.36 23.69 15.25 802.15 4435.27 254708.26 18:20:18 27.47 0.02 24.28 3.17 0.32 2221.84 11127.45 18:30:18 21.68 0.02 19.58 2.07 0.47 4022.92 32087.84 Average: 30.81 1.47 22.52 6.83 267.64 3560.01 99306.61 18:00:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:10:18 9755612 13238420 2721708 16.62 127948 3501520 2896992 16.63 802880 5456868 17228 18:20:18 8846912 12747632 3208648 19.60 147900 3864304 3451468 19.81 930784 6195096 35072 18:30:18 5024228 9893000 6058996 37.01 160096 4779680 5682604 32.62 1208520 9667148 29756 Average: 7875584 11959684 3996451 24.41 145315 4048501 4010355 23.02 980728 7106371 27352 18:00:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:10:18 lo 780.16 780.16 741.68 741.68 0.00 0.00 0.00 0.00 18:10:18 ens3 116.00 89.59 1077.35 17.34 0.00 0.00 0.00 0.00 18:10:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:20:18 lo 1517.00 1517.00 1440.15 1440.15 0.00 0.00 0.00 0.00 18:20:18 ens3 37.47 31.16 17.30 11.84 0.00 0.00 0.00 0.00 18:20:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:30:18 lo 853.23 853.23 5278.97 5278.97 0.00 0.00 0.00 0.00 18:30:18 ens3 27.34 23.64 26.85 8.84 0.00 0.00 0.00 0.00 18:30:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1050.13 1050.13 2486.96 2486.96 0.00 0.00 0.00 0.00 Average: ens3 60.27 48.13 373.83 12.68 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-7988) 02/05/26 _x86_64_ (4 CPU) 17:58:39 LINUX RESTART (4 CPU) 18:00:18 CPU %user %nice %system %iowait %steal %idle 18:10:18 all 36.29 0.00 1.60 0.24 0.06 61.81 18:10:18 0 36.57 0.00 1.64 0.25 0.06 61.49 18:10:18 1 36.63 0.00 1.68 0.29 0.07 61.34 18:10:18 2 35.43 0.00 1.44 0.20 0.07 62.86 18:10:18 3 36.54 0.00 1.63 0.21 0.06 61.57 18:20:18 all 66.14 0.00 2.40 0.10 0.10 31.26 18:20:18 0 65.56 0.00 2.18 0.08 0.10 32.08 18:20:18 1 67.12 0.00 2.62 0.07 0.10 30.09 18:20:18 2 66.49 0.00 2.17 0.08 0.09 31.17 18:20:18 3 65.41 0.00 2.62 0.18 0.10 31.70 18:30:18 all 50.89 0.00 1.77 0.18 0.09 47.07 18:30:18 0 49.85 0.00 1.72 0.11 0.08 48.24 18:30:18 1 48.61 0.00 2.00 0.07 0.09 49.23 18:30:18 2 54.84 0.00 1.88 0.26 0.09 42.94 18:30:18 3 50.26 0.00 1.48 0.30 0.09 47.86 Average: all 51.10 0.00 1.92 0.17 0.08 46.72 Average: 0 50.65 0.00 1.85 0.15 0.08 47.28 Average: 1 50.78 0.00 2.10 0.14 0.08 46.90 Average: 2 52.26 0.00 1.83 0.18 0.08 45.65 Average: 3 50.73 0.00 1.91 0.23 0.08 47.05