---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-599 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 669 10288 4 5030 14977 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:ac:9a:7a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.176/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84412sec preferred_lft 84412sec inet6 fe80::f816:3eff:feac:9a7a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:44:4e:41:37:51 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-599) 07/30/26 _x86_64_ (4 CPU) 08:29:53 LINUX RESTART (4 CPU) 08:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:40:22 49.69 10.46 38.20 1.04 1462.59 11273.55 25450.63 08:50:13 13.61 0.84 11.60 1.17 43.73 3280.56 2727.64 09:00:31 28.86 0.62 24.01 4.23 24.36 4022.97 3165.85 Average: 31.02 4.04 24.83 2.16 519.63 6248.83 10601.75 08:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:40:22 11829636 14869784 1093396 6.68 117572 3086804 1878392 10.78 428316 3757900 293504 08:50:13 10089608 13851140 2105420 12.86 148772 3706820 2341080 13.44 648040 5219108 52180 09:00:31 10583012 15374732 574316 3.51 177016 4639204 1100532 6.32 919632 4348176 44 Average: 10834085 14698552 1257711 7.68 147787 3810943 1773335 10.18 665329 4441728 115243 08:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:40:22 lo 0.48 0.48 0.05 0.05 0.00 0.00 0.00 0.00 08:40:22 ens3 150.14 111.81 1299.96 15.93 0.00 0.00 0.00 0.00 08:40:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:13 lo 1.43 1.43 0.14 0.14 0.00 0.00 0.00 0.00 08:50:13 ens3 74.05 57.35 149.75 18.93 0.00 0.00 0.00 0.00 08:50:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:31 lo 1660.36 1660.36 1574.30 1574.30 0.00 0.00 0.00 0.00 09:00:31 ens3 99.31 83.00 403.37 100.63 0.00 0.00 0.00 0.00 09:00:31 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 560.87 560.87 531.27 531.27 0.00 0.00 0.00 0.00 Average: ens3 108.44 84.52 626.42 45.48 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-599) 07/30/26 _x86_64_ (4 CPU) 08:29:53 LINUX RESTART (4 CPU) 08:30:00 CPU %user %nice %system %iowait %steal %idle 08:40:22 all 6.81 0.00 0.77 0.47 0.03 91.92 08:40:22 0 5.68 0.00 0.77 0.14 0.03 93.37 08:40:22 1 9.71 0.00 0.89 0.26 0.05 89.09 08:40:22 2 6.09 0.00 0.71 0.51 0.03 92.67 08:40:22 3 5.75 0.00 0.71 0.97 0.03 92.54 08:50:13 all 72.76 0.00 2.22 0.03 0.10 24.88 08:50:13 0 70.69 0.00 2.12 0.03 0.11 27.05 08:50:13 1 73.24 0.00 2.30 0.04 0.10 24.31 08:50:13 2 72.86 0.00 2.23 0.03 0.10 24.77 08:50:13 3 74.23 0.00 2.24 0.02 0.10 23.40 09:00:31 all 53.76 0.00 2.29 0.06 0.09 43.80 09:00:31 0 52.26 0.00 2.11 0.04 0.09 45.50 09:00:31 1 54.43 0.00 2.45 0.05 0.08 42.98 09:00:31 2 56.36 0.00 2.30 0.05 0.09 41.20 09:00:31 3 51.97 0.00 2.29 0.12 0.09 45.53 Average: all 43.90 0.00 1.75 0.19 0.07 54.08 Average: 0 42.33 0.00 1.66 0.07 0.07 55.86 Average: 1 45.28 0.00 1.87 0.12 0.08 52.65 Average: 2 44.59 0.00 1.74 0.20 0.07 53.41 Average: 3 43.41 0.00 1.74 0.38 0.07 54.40