---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-17009 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: 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 13G 65G 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 676 8368 4 6944 14969 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:11:67:0b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.150/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84064sec preferred_lft 84064sec inet6 fe80::f816:3eff:fe11:670b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ea:d1:b6:b0:fc:d6 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-17009) 05/20/26 _x86_64_ (4 CPU) 06:45:39 LINUX RESTART (4 CPU) 06:50:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:00:19 26.87 0.99 22.82 3.06 41.39 3227.04 7086.49 07:10:19 35.75 0.01 32.13 3.61 0.20 2685.04 15104.49 07:20:17 11.63 0.33 9.97 1.33 12.15 8612.32 2510.90 Average: 24.77 0.44 21.66 2.67 17.92 4836.89 8240.90 06:50:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:00:19 8960636 12505992 3452884 21.09 137176 3530824 3726448 21.39 691192 6329600 2656 07:10:19 9225800 13213956 2741084 16.74 161348 3915668 2904920 16.67 813796 5886240 31804 07:20:17 8608884 15359284 587556 3.59 184356 6565700 1120312 6.43 1756852 5474584 345704 Average: 8931773 13693077 2260508 13.81 160960 4670731 2583893 14.83 1087280 5896808 126721 06:50:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:00:19 lo 1544.78 1544.78 1465.92 1465.92 0.00 0.00 0.00 0.00 07:00:19 ens3 52.75 43.24 77.16 14.00 0.00 0.00 0.00 0.00 07:00:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:10:19 lo 1620.38 1620.38 1544.37 1544.37 0.00 0.00 0.00 0.00 07:10:19 ens3 42.56 33.01 25.87 11.45 0.00 0.00 0.00 0.00 07:10:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:17 lo 2596.19 2596.19 9332.78 9332.78 0.00 0.00 0.00 0.00 07:20:17 ens3 33.52 27.16 134.95 7.83 0.00 0.00 0.00 0.00 07:20:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1919.63 1919.63 4108.03 4108.03 0.00 0.00 0.00 0.00 Average: ens3 42.96 34.48 79.26 11.09 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-17009) 05/20/26 _x86_64_ (4 CPU) 06:45:39 LINUX RESTART (4 CPU) 06:50:19 CPU %user %nice %system %iowait %steal %idle 07:00:19 all 68.92 0.00 2.62 0.06 0.09 28.31 07:00:19 0 68.92 0.00 2.45 0.08 0.09 28.46 07:00:19 1 68.72 0.00 2.86 0.04 0.10 28.27 07:00:19 2 69.65 0.00 2.48 0.06 0.09 27.72 07:00:19 3 68.39 0.00 2.67 0.07 0.09 28.77 07:10:19 all 65.44 0.00 2.61 0.07 0.10 31.78 07:10:19 0 65.38 0.00 2.32 0.06 0.10 32.14 07:10:19 1 63.96 0.00 2.55 0.07 0.10 33.32 07:10:19 2 68.32 0.00 2.70 0.11 0.10 28.78 07:10:19 3 64.10 0.00 2.87 0.06 0.10 32.87 07:20:17 all 40.42 0.00 1.51 0.14 0.08 57.85 07:20:17 0 37.32 0.00 1.20 0.31 0.08 61.09 07:20:17 1 38.09 0.00 1.44 0.10 0.08 60.29 07:20:17 2 48.99 0.00 2.05 0.12 0.08 48.76 07:20:17 3 37.30 0.00 1.33 0.03 0.08 61.27 Average: all 58.27 0.00 2.24 0.09 0.09 39.31 Average: 0 57.21 0.00 1.99 0.15 0.09 40.56 Average: 1 56.93 0.00 2.28 0.07 0.09 40.62 Average: 2 62.33 0.00 2.41 0.10 0.09 35.08 Average: 3 56.60 0.00 2.29 0.05 0.09 40.97