---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22503 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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: 5599.86 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 660 8562 4 6766 14986 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:e8:6d:b6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.189/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84400sec preferred_lft 84400sec inet6 fe80::f816:3eff:fee8:6db6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c6:e3:8d:b7:17:83 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-22503) 06/02/26 _x86_64_ (4 CPU) 07:47:50 LINUX RESTART (4 CPU) 07:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:00:02 35.89 3.19 29.06 3.64 538.32 5173.34 9197.67 08:10:02 33.48 0.01 30.05 3.41 0.20 2567.08 11511.47 08:20:02 11.89 0.32 10.23 1.34 11.72 8173.07 2854.67 Average: 27.09 1.17 23.12 2.80 183.41 5304.48 7854.62 07:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:00:02 8489612 12424636 3531672 21.57 141652 3907060 3509936 20.15 842844 6639244 23808 08:10:02 8218800 12581980 3370916 20.59 164380 4280268 3311164 19.01 958520 6743748 25824 08:20:02 8821140 15389360 555828 3.39 184856 6392432 1103500 6.33 1723676 5290292 236 Average: 8509851 13465325 2486139 15.18 163629 4859920 2641533 15.16 1175013 6224428 16623 07:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:00:02 lo 1531.35 1531.35 1453.54 1453.54 0.00 0.00 0.00 0.00 08:00:02 ens3 152.60 110.71 1021.89 21.16 0.00 0.00 0.00 0.00 08:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:02 lo 1546.50 1546.50 1473.61 1473.61 0.00 0.00 0.00 0.00 08:10:02 ens3 46.13 36.35 37.26 12.58 0.00 0.00 0.00 0.00 08:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:02 lo 369.81 369.81 6845.45 6845.45 0.00 0.00 0.00 0.00 08:20:02 ens3 80.22 90.11 116.90 967.08 0.00 0.00 0.00 0.00 08:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1149.22 1149.22 3257.53 3257.53 0.00 0.00 0.00 0.00 Average: ens3 92.98 79.05 392.01 333.61 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-22503) 06/02/26 _x86_64_ (4 CPU) 07:47:50 LINUX RESTART (4 CPU) 07:50:02 CPU %user %nice %system %iowait %steal %idle 08:00:02 all 70.19 0.00 2.77 0.09 0.09 26.86 08:00:02 0 68.52 0.00 2.56 0.11 0.09 28.71 08:00:02 1 72.47 0.00 2.98 0.09 0.09 24.37 08:00:02 2 68.58 0.00 2.83 0.10 0.10 28.40 08:00:02 3 71.18 0.00 2.69 0.07 0.09 25.96 08:10:02 all 62.63 0.00 2.52 0.08 0.08 34.68 08:10:02 0 62.47 0.00 2.31 0.05 0.08 35.08 08:10:02 1 62.23 0.00 2.51 0.15 0.09 35.02 08:10:02 2 62.07 0.00 2.94 0.06 0.08 34.85 08:10:02 3 63.74 0.00 2.33 0.08 0.08 33.78 08:20:02 all 33.71 0.00 1.13 0.14 0.07 64.95 08:20:02 0 34.03 0.00 0.99 0.33 0.07 64.57 08:20:02 1 36.00 0.00 1.05 0.09 0.07 62.78 08:20:02 2 36.49 0.00 1.32 0.09 0.08 62.02 08:20:02 3 28.32 0.00 1.15 0.03 0.08 70.43 Average: all 55.49 0.00 2.14 0.10 0.08 42.18 Average: 0 54.98 0.00 1.96 0.16 0.08 42.82 Average: 1 56.88 0.00 2.18 0.11 0.08 40.74 Average: 2 55.71 0.00 2.36 0.08 0.08 41.76 Average: 3 54.40 0.00 2.06 0.06 0.08 43.40