---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-36023 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 67G 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 706 10327 4 4955 14939 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:c9:d8:27 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.109/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84360sec preferred_lft 84360sec inet6 fe80::f816:3eff:fec9:d827/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 42:3d:bc:4b:17:a1 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-36023) 07/15/26 _x86_64_ (4 CPU) 09:09:32 LINUX RESTART (4 CPU) 09:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:20:00 45.80 10.26 34.53 1.00 1601.55 9580.23 3002.65 09:30:00 10.01 0.39 8.61 1.01 14.60 1983.48 2432.91 09:40:00 28.59 0.63 23.62 4.33 25.08 4070.87 2739.55 Average: 28.14 3.76 22.26 2.11 547.64 5213.86 2725.18 09:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:20:00 11089112 14175476 1787348 10.92 117092 3126552 2236768 12.84 537508 4409656 15668 09:30:00 10151932 13842408 2114440 12.91 145424 3642384 2339124 13.43 689292 5112116 36320 09:40:00 10641528 15355992 594328 3.63 174116 4568656 1113708 6.39 960096 4249216 48 Average: 10627524 14457959 1498705 9.15 145544 3779197 1896533 10.89 728965 4590329 17345 09:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:20:00 lo 0.55 0.55 0.05 0.05 0.00 0.00 0.00 0.00 09:20:00 ens3 113.99 84.42 1034.19 16.53 0.00 0.00 0.00 0.00 09:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:00 lo 1.32 1.32 0.13 0.13 0.00 0.00 0.00 0.00 09:30:00 ens3 50.39 43.08 92.20 14.98 0.00 0.00 0.00 0.00 09:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:00 lo 1677.55 1677.55 1595.50 1595.50 0.00 0.00 0.00 0.00 09:40:00 ens3 75.59 65.25 408.10 70.82 0.00 0.00 0.00 0.00 09:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 559.51 559.51 531.61 531.61 0.00 0.00 0.00 0.00 Average: ens3 80.01 64.26 511.77 34.10 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-36023) 07/15/26 _x86_64_ (4 CPU) 09:09:32 LINUX RESTART (4 CPU) 09:10:00 CPU %user %nice %system %iowait %steal %idle 09:20:00 all 20.89 0.00 1.21 1.38 0.35 76.17 09:20:00 0 19.39 0.00 1.16 0.85 0.31 78.29 09:20:00 1 20.22 0.00 1.17 1.16 0.15 77.30 09:20:00 2 22.65 0.00 1.13 1.36 0.65 74.21 09:20:00 3 21.29 0.00 1.38 2.17 0.28 74.88 09:30:00 all 71.95 0.00 2.31 0.06 0.21 25.46 09:30:00 0 72.95 0.00 2.15 0.02 0.21 24.68 09:30:00 1 74.97 0.00 2.59 0.06 0.22 22.17 09:30:00 2 68.96 0.00 2.19 0.14 0.21 28.49 09:30:00 3 70.94 0.00 2.31 0.03 0.22 26.50 09:40:00 all 60.50 0.00 2.69 0.20 0.17 36.44 09:40:00 0 57.08 0.00 2.68 0.26 0.17 39.82 09:40:00 1 60.82 0.00 2.55 0.12 0.18 36.32 09:40:00 2 61.28 0.00 2.98 0.16 0.16 35.42 09:40:00 3 62.82 0.00 2.56 0.26 0.16 34.21 Average: all 51.05 0.00 2.07 0.55 0.24 46.09 Average: 0 49.75 0.00 1.99 0.38 0.23 47.65 Average: 1 51.96 0.00 2.10 0.45 0.18 45.31 Average: 2 50.87 0.00 2.10 0.56 0.34 46.14 Average: 3 51.64 0.00 2.08 0.82 0.22 45.24