---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-411 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 68G 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 665 10501 4 4822 14981 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:2e:a4:e2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.140/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84444sec preferred_lft 84444sec inet6 fe80::f816:3eff:fe2e:a4e2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e6:4c:b4:a9:45:e2 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-411) 07/29/26 _x86_64_ (4 CPU) 20:37:54 LINUX RESTART (4 CPU) 20:40:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:50:08 13.57 2.86 10.38 0.34 162.90 2766.46 1264.63 21:00:09 10.90 0.47 9.30 1.13 18.13 2244.60 3182.58 21:10:02 43.79 0.59 24.26 18.94 24.78 3775.80 253059.67 Average: 22.67 1.31 14.61 6.75 68.69 2925.27 85169.36 20:40:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:50:08 11338652 14348824 1614084 9.86 117296 3045764 2277144 13.07 487716 4187320 26520 21:00:09 9804248 13468852 2487656 15.19 147936 3604748 2665512 15.30 654196 5496620 20456 21:10:02 10813660 15395496 554604 3.39 173404 4438796 1073468 6.16 918468 4134236 11548 Average: 10652187 14404391 1552115 9.48 146212 3696436 2005375 11.51 686793 4606059 19508 20:40:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:50:08 lo 0.52 0.52 0.05 0.05 0.00 0.00 0.00 0.00 20:50:08 ens3 71.96 59.33 745.71 10.83 0.00 0.00 0.00 0.00 20:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:09 lo 1.44 1.44 0.14 0.14 0.00 0.00 0.00 0.00 21:00:09 ens3 70.79 55.55 102.93 18.05 0.00 0.00 0.00 0.00 21:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:10:02 lo 1705.14 1705.14 1612.60 1612.60 0.00 0.00 0.00 0.00 21:10:02 ens3 124.50 111.48 426.71 194.00 0.00 0.00 0.00 0.00 21:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 564.50 564.50 533.31 533.31 0.00 0.00 0.00 0.00 Average: ens3 88.94 75.31 424.74 73.82 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-411) 07/29/26 _x86_64_ (4 CPU) 20:37:54 LINUX RESTART (4 CPU) 20:40:09 CPU %user %nice %system %iowait %steal %idle 20:50:08 all 19.86 0.00 0.71 0.10 0.04 79.28 20:50:08 0 19.11 0.00 0.64 0.13 0.05 80.07 20:50:08 1 20.54 0.00 0.79 0.12 0.04 78.50 20:50:08 2 19.62 0.00 0.60 0.06 0.04 79.68 20:50:08 3 20.18 0.00 0.80 0.09 0.04 78.88 21:00:09 all 72.42 0.00 2.26 0.09 0.11 25.13 21:00:09 0 70.35 0.00 2.17 0.06 0.11 27.31 21:00:09 1 73.09 0.00 2.27 0.13 0.11 24.41 21:00:09 2 73.52 0.00 2.11 0.11 0.11 24.16 21:00:09 3 72.72 0.00 2.48 0.06 0.10 24.64 21:10:02 all 42.15 0.00 2.08 0.25 0.08 55.45 21:10:02 0 43.30 0.00 2.01 0.27 0.08 54.34 21:10:02 1 43.65 0.00 2.38 0.42 0.08 53.46 21:10:02 2 41.08 0.00 1.94 0.13 0.08 56.77 21:10:02 3 40.56 0.00 1.97 0.18 0.08 57.20 Average: all 44.84 0.00 1.68 0.15 0.08 53.26 Average: 0 44.28 0.00 1.60 0.15 0.08 53.88 Average: 1 45.78 0.00 1.81 0.22 0.08 52.11 Average: 2 44.78 0.00 1.55 0.10 0.08 53.50 Average: 3 44.51 0.00 1.75 0.11 0.07 53.55