---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39157 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 12G 66G 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 777 9149 4 6062 14868 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:a1:d1:9d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.104/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83801sec preferred_lft 83801sec inet6 fe80::f816:3eff:fea1:d19d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:69:01:58:67:61 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-39157) 07/26/26 _x86_64_ (4 CPU) 20:15:40 LINUX RESTART (4 CPU) 20:20:27 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:30:14 70.26 4.77 51.05 14.44 300.91 5684.31 273330.88 20:40:27 38.94 0.42 32.76 5.75 13.88 4423.03 5997.06 20:50:04 49.68 0.00 39.96 9.72 0.00 3009.58 15443.35 Average: 52.78 1.72 41.14 9.91 104.24 4380.86 97424.06 20:20:27 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:30:14 10534124 13903136 2057056 12.56 134632 3369924 2316668 13.30 542384 4919376 30788 20:40:27 8789952 13278888 2671008 16.31 192828 4333796 2736572 15.71 800300 6292716 48656 20:50:04 8108576 13129568 2815676 17.20 227024 4782488 3194560 18.34 914804 6807096 102132 Average: 9144217 13437197 2514580 15.36 184828 4162069 2749267 15.78 752496 6006396 60525 20:20:27 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:30:14 lo 0.97 0.97 0.10 0.10 0.00 0.00 0.00 0.00 20:30:14 ens3 134.55 100.68 1181.58 21.53 0.00 0.00 0.00 0.00 20:30:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:40:27 lo 2675.33 2675.33 2550.91 2550.91 0.00 0.00 0.00 0.00 20:40:27 ens3 97.15 72.56 321.42 20.40 0.00 0.00 0.00 0.00 20:40:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:04 lo 4870.56 4870.56 4642.95 4642.95 0.00 0.00 0.00 0.00 20:50:04 ens3 79.60 59.18 23.09 20.00 0.00 0.00 0.00 0.00 20:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2504.34 2504.34 2387.24 2387.24 0.00 0.00 0.00 0.00 Average: ens3 103.81 77.51 508.83 20.64 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-39157) 07/26/26 _x86_64_ (4 CPU) 20:15:40 LINUX RESTART (4 CPU) 20:20:27 CPU %user %nice %system %iowait %steal %idle 20:30:14 all 39.28 0.00 1.58 0.38 0.07 58.70 20:30:14 0 37.74 0.00 1.45 0.44 0.07 60.30 20:30:14 1 40.12 0.00 1.73 0.37 0.08 57.71 20:30:14 2 39.08 0.00 1.61 0.43 0.07 58.81 20:30:14 3 40.18 0.00 1.52 0.27 0.08 57.96 20:40:27 all 64.18 0.00 3.25 0.09 0.10 32.38 20:40:27 0 63.08 0.00 3.25 0.11 0.10 33.46 20:40:27 1 65.21 0.00 3.39 0.10 0.10 31.20 20:40:27 2 64.08 0.00 3.29 0.05 0.10 32.49 20:40:27 3 64.37 0.00 3.06 0.09 0.10 32.38 20:50:04 all 62.78 0.00 4.04 0.14 0.10 32.94 20:50:04 0 62.12 0.00 3.95 0.14 0.10 33.69 20:50:04 1 61.61 0.00 4.16 0.24 0.10 33.89 20:50:04 2 64.30 0.00 4.02 0.08 0.10 31.50 20:50:04 3 63.08 0.00 4.02 0.12 0.10 32.67 Average: all 55.48 0.00 2.95 0.20 0.09 41.27 Average: 0 54.38 0.00 2.88 0.23 0.09 42.42 Average: 1 55.73 0.00 3.09 0.23 0.09 40.85 Average: 2 55.88 0.00 2.97 0.19 0.09 40.88 Average: 3 55.94 0.00 2.86 0.16 0.09 40.94