---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8373 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 67G 15% / 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 729 9594 4 5664 14917 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:59:71:f9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.30/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84817sec preferred_lft 84817sec inet6 fe80::f816:3eff:fe59:71f9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:dd:4e:d7:80:24 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-8373) 04/27/26 _x86_64_ (4 CPU) 02:36:32 LINUX RESTART (4 CPU) 02:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:50:01 45.14 0.59 27.97 16.58 20.98 4368.05 247750.01 03:00:03 27.28 0.04 24.34 2.90 1.56 5986.10 11085.44 Average: 36.20 0.32 26.15 9.73 11.26 5178.01 129280.84 02:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:50:01 9063112 13039356 2915472 17.81 160612 3897040 3214268 18.45 775160 6108004 177584 03:00:03 7735704 12932808 3015588 18.42 184016 5030332 3385144 19.43 1039808 7095972 39420 Average: 8399408 12986082 2965530 18.11 172314 4463686 3299706 18.94 907484 6601988 108502 02:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:50:01 lo 1467.06 1467.06 1398.80 1398.80 0.00 0.00 0.00 0.00 02:50:01 ens3 56.43 44.05 408.55 10.42 0.00 0.00 0.00 0.00 02:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:00:03 lo 843.62 843.62 803.40 803.40 0.00 0.00 0.00 0.00 03:00:03 ens3 43.84 35.14 229.46 9.25 0.00 0.00 0.00 0.00 03:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1154.98 1154.98 1100.76 1100.76 0.00 0.00 0.00 0.00 Average: ens3 50.12 39.59 318.90 9.83 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-8373) 04/27/26 _x86_64_ (4 CPU) 02:36:32 LINUX RESTART (4 CPU) 02:40:01 CPU %user %nice %system %iowait %steal %idle 02:50:01 all 66.09 0.00 2.48 0.08 0.10 31.25 02:50:01 0 65.29 0.00 2.27 0.14 0.10 32.20 02:50:01 1 65.29 0.00 2.56 0.10 0.10 31.95 02:50:01 2 67.19 0.00 2.41 0.06 0.09 30.25 02:50:01 3 66.60 0.00 2.69 0.02 0.10 30.59 03:00:03 all 58.79 0.00 2.13 0.07 0.09 38.92 03:00:03 0 58.48 0.00 2.09 0.04 0.08 39.30 03:00:03 1 59.41 0.00 2.20 0.08 0.09 38.22 03:00:03 2 58.62 0.00 2.10 0.12 0.09 39.07 03:00:03 3 58.63 0.00 2.14 0.05 0.09 39.10 Average: all 62.43 0.00 2.31 0.07 0.09 35.09 Average: 0 61.88 0.00 2.18 0.09 0.09 35.76 Average: 1 62.34 0.00 2.38 0.09 0.09 35.09 Average: 2 62.89 0.00 2.25 0.09 0.09 34.67 Average: 3 62.61 0.00 2.41 0.03 0.09 34.85