---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25658 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 13G 65G 17% / 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 656 8092 4 7239 14990 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:96:b7:58 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.134/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83901sec preferred_lft 83901sec inet6 fe80::f816:3eff:fe96:b758/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether be:c3:23:9d:0d:6d 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-25658) 06/07/26 _x86_64_ (4 CPU) 19:01:20 LINUX RESTART (4 CPU) 19:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:00 21.62 0.07 19.16 2.39 6.63 2142.60 5733.29 19:30:00 31.75 0.03 28.57 3.15 0.44 4438.00 9112.89 19:40:00 13.62 0.29 11.93 1.40 11.41 7409.67 51370.76 Average: 22.33 0.13 19.89 2.31 6.16 4663.41 22072.22 19:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:00 8992200 12963152 2992592 18.28 149572 3922044 3167144 18.18 868180 6101592 20168 19:30:00 7297352 12279396 3671868 22.43 166372 4872024 3512040 20.16 1146232 7447980 332 19:40:00 8318440 15371604 573304 3.50 182672 6859784 1111312 6.38 1895512 5604096 624 Average: 8202664 13538051 2412588 14.74 166205 5217951 2596832 14.91 1303308 6384556 7041 19:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:00 lo 1098.08 1098.08 1039.74 1039.74 0.00 0.00 0.00 0.00 19:20:00 ens3 38.57 32.08 44.48 11.15 0.00 0.00 0.00 0.00 19:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:00 lo 1340.24 1340.24 1272.52 1272.52 0.00 0.00 0.00 0.00 19:30:00 ens3 49.35 36.88 30.59 12.93 0.00 0.00 0.00 0.00 19:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:00 lo 2570.14 2570.14 9292.73 9292.73 0.00 0.00 0.00 0.00 19:40:00 ens3 42.77 45.77 132.39 533.21 0.00 0.00 0.00 0.00 19:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1669.48 1669.48 3868.32 3868.32 0.00 0.00 0.00 0.00 Average: ens3 43.56 38.24 69.15 185.76 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-25658) 06/07/26 _x86_64_ (4 CPU) 19:01:20 LINUX RESTART (4 CPU) 19:10:00 CPU %user %nice %system %iowait %steal %idle 19:20:00 all 64.23 0.00 2.10 0.05 0.08 33.54 19:20:00 0 64.05 0.00 2.12 0.05 0.08 33.69 19:20:00 1 64.48 0.00 1.91 0.04 0.08 33.49 19:20:00 2 64.63 0.00 2.42 0.07 0.09 32.79 19:20:00 3 63.74 0.00 1.95 0.05 0.08 34.17 19:30:00 all 57.83 0.00 2.36 0.08 0.08 39.65 19:30:00 0 58.51 0.00 2.50 0.10 0.09 38.80 19:30:00 1 57.09 0.00 2.12 0.10 0.08 40.61 19:30:00 2 58.46 0.00 2.53 0.09 0.08 38.84 19:30:00 3 57.25 0.00 2.28 0.05 0.08 40.34 19:40:00 all 32.12 0.00 1.27 0.12 0.08 66.41 19:40:00 0 29.47 0.00 1.24 0.07 0.08 69.15 19:40:00 1 27.26 0.00 1.16 0.10 0.08 71.40 19:40:00 2 36.78 0.00 1.43 0.26 0.08 61.45 19:40:00 3 34.99 0.00 1.25 0.04 0.08 63.64 Average: all 51.39 0.00 1.91 0.08 0.08 46.54 Average: 0 50.68 0.00 1.95 0.07 0.08 47.22 Average: 1 49.60 0.00 1.73 0.08 0.08 48.51 Average: 2 53.28 0.00 2.13 0.14 0.08 44.37 Average: 3 52.00 0.00 1.83 0.04 0.08 46.05