---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1731 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: 5599.99 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 11G 68G 14% / 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 667 10495 4 4826 14979 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:18:68:4f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.164/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84134sec preferred_lft 84134sec inet6 fe80::f816:3eff:fe18:684f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether be:b7:16:6f:60:c6 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-1731) 08/03/26 _x86_64_ (4 CPU) 07:43:56 LINUX RESTART (4 CPU) 07:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:00:00 8.25 1.89 6.22 0.14 122.60 1385.88 139.09 08:10:00 11.67 0.50 10.04 1.13 19.08 2336.43 2931.27 08:20:00 30.34 0.58 25.54 4.22 22.36 3819.08 3457.85 Average: 16.75 0.99 13.93 1.83 54.68 2513.80 2176.07 07:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:00:00 10865676 13797532 2166248 13.23 116392 2976552 2620764 15.04 476856 4696740 25208 08:10:00 9806504 13425376 2531816 15.46 147308 3564116 2903504 16.67 649312 5504968 22040 08:20:00 10785336 15367760 582536 3.56 173308 4438948 1105688 6.35 904240 4161704 168 Average: 10485839 14196889 1760200 10.75 145669 3659872 2209985 12.69 676803 4787804 15805 07:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:00:00 lo 0.28 0.28 0.03 0.03 0.00 0.00 0.00 0.00 08:00:00 ens3 70.16 56.69 721.91 8.26 0.00 0.00 0.00 0.00 08:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:00 lo 1.40 1.40 0.14 0.14 0.00 0.00 0.00 0.00 08:10:00 ens3 72.18 56.59 104.01 18.58 0.00 0.00 0.00 0.00 08:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:00 lo 1610.06 1610.06 1523.73 1523.73 0.00 0.00 0.00 0.00 08:20:00 ens3 108.63 96.75 415.05 150.22 0.00 0.00 0.00 0.00 08:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 537.25 537.25 507.96 507.96 0.00 0.00 0.00 0.00 Average: ens3 83.66 70.01 413.66 59.02 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-1731) 08/03/26 _x86_64_ (4 CPU) 07:43:56 LINUX RESTART (4 CPU) 07:50:00 CPU %user %nice %system %iowait %steal %idle 08:00:00 all 12.87 0.00 0.49 0.03 0.03 86.57 08:00:00 0 12.95 0.00 0.53 0.04 0.03 86.45 08:00:00 1 12.72 0.00 0.42 0.03 0.03 86.80 08:00:00 2 12.91 0.00 0.44 0.04 0.03 86.58 08:00:00 3 12.89 0.00 0.59 0.03 0.03 86.46 08:10:00 all 72.71 0.00 2.21 0.03 0.11 24.94 08:10:00 0 74.16 0.00 2.36 0.03 0.11 23.33 08:10:00 1 70.17 0.00 2.13 0.04 0.11 27.55 08:10:00 2 73.41 0.00 2.27 0.02 0.11 24.19 08:10:00 3 73.09 0.00 2.08 0.02 0.11 24.69 08:20:00 all 47.45 0.00 2.17 0.06 0.08 50.24 08:20:00 0 44.97 0.00 1.97 0.05 0.08 52.93 08:20:00 1 50.79 0.00 2.15 0.04 0.08 46.94 08:20:00 2 46.31 0.00 2.13 0.07 0.08 51.41 08:20:00 3 47.72 0.00 2.42 0.10 0.08 49.66 Average: all 44.31 0.00 1.62 0.04 0.07 53.95 Average: 0 43.96 0.00 1.62 0.04 0.07 54.31 Average: 1 44.54 0.00 1.57 0.03 0.07 53.79 Average: 2 44.19 0.00 1.61 0.04 0.07 54.08 Average: 3 44.56 0.00 1.70 0.05 0.08 53.62