---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7351 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 9.0G 69G 12% / 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 626 12038 4 3323 15020 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:b5:c7:4b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.89/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84543sec preferred_lft 84543sec inet6 fe80::f816:3eff:feb5:c74b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8a:f3:75:9a:11:36 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-7351) 04/24/26 _x86_64_ (4 CPU) 06:58:09 LINUX RESTART (4 CPU) 07:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:10:01 51.86 2.29 36.25 13.32 131.25 1425.76 243920.59 07:20:13 11.12 2.03 8.89 0.20 127.78 2877.02 37.84 Average: 31.31 2.16 22.45 6.71 129.50 2157.89 120887.02 07:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:10:01 12953204 15284984 698932 4.27 90360 2438404 1270216 7.29 290592 2850976 242752 07:20:13 9427428 12401720 3561916 21.75 112268 3028252 3790248 21.76 493676 6101448 340 Average: 11190316 13843352 2130424 13.01 101314 2733328 2530232 14.52 392134 4476212 121546 07:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:10:01 lo 0.30 0.30 0.04 0.04 0.00 0.00 0.00 0.00 07:10:01 ens3 38.56 27.24 253.76 6.93 0.00 0.00 0.00 0.00 07:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:13 lo 0.52 0.52 0.24 0.24 0.00 0.00 0.00 0.00 07:20:13 ens3 53.77 44.11 656.48 6.14 0.00 0.00 0.00 0.00 07:20:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.41 0.41 0.14 0.14 0.00 0.00 0.00 0.00 Average: ens3 46.23 35.75 456.92 6.53 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-7351) 04/24/26 _x86_64_ (4 CPU) 06:58:09 LINUX RESTART (4 CPU) 07:00:01 CPU %user %nice %system %iowait %steal %idle 07:10:01 all 3.08 0.00 0.31 0.24 0.02 96.36 07:10:01 0 3.60 0.00 0.32 0.12 0.01 95.95 07:10:01 1 4.09 0.00 0.42 0.77 0.02 94.71 07:10:01 2 2.68 0.00 0.28 0.04 0.02 96.98 07:10:01 3 1.96 0.00 0.21 0.03 0.02 97.78 07:20:13 all 53.03 0.00 0.95 0.04 0.08 45.91 07:20:13 0 51.74 0.00 0.93 0.06 0.09 47.18 07:20:13 1 53.56 0.00 0.90 0.05 0.08 45.42 07:20:13 2 56.02 0.00 0.84 0.01 0.09 43.03 07:20:13 3 50.78 0.00 1.11 0.03 0.08 48.00 Average: all 28.28 0.00 0.63 0.14 0.05 70.91 Average: 0 27.85 0.00 0.63 0.09 0.05 71.38 Average: 1 29.08 0.00 0.66 0.40 0.05 69.81 Average: 2 29.59 0.00 0.57 0.02 0.05 69.77 Average: 3 26.59 0.00 0.66 0.03 0.05 72.67