---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-16364 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: 5600.00 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 646 10487 4 4855 15000 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:a2:bd:0a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.15/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84935sec preferred_lft 84935sec inet6 fe80::f816:3eff:fea2:bd0a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 32:58:36:6a:ef:b5 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-16364) 05/18/26 _x86_64_ (4 CPU) 15:26:09 LINUX RESTART (4 CPU) 15:30:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:06 13.35 0.69 11.39 1.26 227.65 2576.80 3216.55 15:50:09 29.81 0.77 24.40 4.64 28.04 3810.98 6331.43 Average: 21.65 0.73 17.95 2.96 127.04 3198.86 4786.54 15:30:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:06 10079096 13744188 2213236 13.52 145516 3617704 2773564 15.92 704000 5181440 20376 15:50:09 10822168 15437756 512940 3.13 172168 4479884 1037484 5.96 973240 4078360 14936 Average: 10450632 14590972 1363088 8.33 158842 4048794 1905524 10.94 838620 4629900 17656 15:30:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:06 lo 1.46 1.46 0.15 0.15 0.00 0.00 0.00 0.00 15:40:06 ens3 76.61 59.12 162.05 18.58 0.00 0.00 0.00 0.00 15:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:09 lo 1613.31 1613.31 1524.98 1524.98 0.00 0.00 0.00 0.00 15:50:09 ens3 126.62 115.47 417.49 192.47 0.00 0.00 0.00 0.00 15:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 813.88 813.88 768.71 768.71 0.00 0.00 0.00 0.00 Average: ens3 101.81 87.52 290.80 106.23 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-16364) 05/18/26 _x86_64_ (4 CPU) 15:26:09 LINUX RESTART (4 CPU) 15:30:13 CPU %user %nice %system %iowait %steal %idle 15:40:06 all 72.55 0.00 2.30 0.03 0.11 25.01 15:40:06 0 70.32 0.00 2.04 0.04 0.10 27.50 15:40:06 1 73.38 0.00 2.39 0.03 0.11 24.08 15:40:06 2 76.04 0.00 2.67 0.02 0.11 21.17 15:40:06 3 70.46 0.00 2.09 0.04 0.11 27.30 15:50:09 all 47.98 0.00 2.29 0.20 0.08 49.45 15:50:09 0 45.66 0.00 2.32 0.06 0.08 51.87 15:50:09 1 44.58 0.00 2.35 0.28 0.08 52.72 15:50:09 2 54.40 0.00 2.29 0.08 0.09 43.14 15:50:09 3 47.27 0.00 2.19 0.38 0.08 50.08 Average: all 60.16 0.00 2.29 0.12 0.10 37.33 Average: 0 57.89 0.00 2.18 0.05 0.09 39.79 Average: 1 58.84 0.00 2.37 0.16 0.10 38.53 Average: 2 65.14 0.00 2.48 0.05 0.10 32.24 Average: 3 58.78 0.00 2.14 0.21 0.10 38.77