---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25143 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 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 699 10479 4 4810 14947 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:2b:f1:b8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.14/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84574sec preferred_lft 84574sec inet6 fe80::f816:3eff:fe2b:f1b8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 72:2a:0d:06:e4:8a 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-25143) 06/05/26 _x86_64_ (4 CPU) 15:11:21 LINUX RESTART (4 CPU) 15:20:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:30:06 18.97 0.79 16.09 2.09 28.28 3202.60 4382.96 15:40:01 19.20 0.42 15.45 3.33 16.40 2148.30 4138.67 Average: 19.08 0.61 15.77 2.71 22.34 2675.70 4260.87 15:20:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:30:06 9230520 13310384 2641868 16.14 162160 3975956 2757656 15.83 751776 5935948 14016 15:40:01 10760780 15324744 625568 3.82 175364 4421292 1128420 6.48 906020 4205756 8908 Average: 9995650 14317564 1633718 9.98 168762 4198624 1943038 11.15 828898 5070852 11462 15:20:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:30:06 lo 721.13 721.13 686.61 686.61 0.00 0.00 0.00 0.00 15:30:06 ens3 85.19 64.37 332.12 18.75 0.00 0.00 0.00 0.00 15:30:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:40:01 lo 1434.04 1434.04 1354.75 1354.75 0.00 0.00 0.00 0.00 15:40:01 ens3 89.05 84.14 135.32 186.09 0.00 0.00 0.00 0.00 15:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1077.42 1077.42 1020.52 1020.52 0.00 0.00 0.00 0.00 Average: ens3 87.12 74.25 233.77 102.38 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-25143) 06/05/26 _x86_64_ (4 CPU) 15:11:21 LINUX RESTART (4 CPU) 15:20:10 CPU %user %nice %system %iowait %steal %idle 15:30:06 all 69.69 0.00 2.50 0.16 0.12 27.53 15:30:06 0 66.66 0.00 2.15 0.21 0.12 30.86 15:30:06 1 68.64 0.00 2.44 0.08 0.12 28.71 15:30:06 2 71.78 0.00 3.00 0.22 0.13 24.87 15:30:06 3 71.68 0.00 2.42 0.11 0.12 25.67 15:40:01 all 30.94 0.00 1.63 3.35 0.08 64.00 15:40:01 0 35.05 0.00 1.71 3.91 0.08 59.25 15:40:01 1 26.49 0.00 1.38 0.82 0.07 71.24 15:40:01 2 30.43 0.00 1.53 2.55 0.08 65.41 15:40:01 3 31.80 0.00 1.91 6.11 0.08 60.10 Average: all 50.33 0.00 2.07 1.75 0.10 45.76 Average: 0 50.85 0.00 1.93 2.06 0.10 45.06 Average: 1 47.58 0.00 1.91 0.45 0.09 49.97 Average: 2 51.12 0.00 2.26 1.38 0.10 45.13 Average: 3 51.77 0.00 2.16 3.10 0.10 42.87