---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-36662 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 647 10364 4 4977 14999 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:1a:03:f9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.46/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84801sec preferred_lft 84801sec inet6 fe80::f816:3eff:fe1a:3f9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:d1:7c:12:89:cc 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-36662) 07/17/26 _x86_64_ (4 CPU) 14:35:31 LINUX RESTART (4 CPU) 14:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:19 4.03 0.11 3.73 0.19 8.94 601.07 162.16 15:00:14 21.16 0.52 18.95 1.69 19.39 2673.38 5616.08 Average: 12.43 0.31 11.19 0.93 14.06 1617.07 2836.08 14:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:19 10060748 13185152 2777508 16.96 116176 3161216 2995912 17.20 502932 5458544 9516 15:00:14 8848064 13587024 2368852 14.47 138124 4690900 2532556 14.54 891892 6212836 1110672 Average: 9454406 13386088 2573180 15.72 127150 3926058 2764234 15.87 697412 5835690 560094 14:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:19 lo 0.60 0.60 0.36 0.36 0.00 0.00 0.00 0.00 14:50:19 ens3 12.15 9.19 35.46 2.53 0.00 0.00 0.00 0.00 14:50:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:14 lo 563.07 563.07 536.55 536.55 0.00 0.00 0.00 0.00 15:00:14 ens3 57.77 40.34 532.34 6.81 0.00 0.00 0.00 0.00 15:00:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 276.36 276.36 263.24 263.24 0.00 0.00 0.00 0.00 Average: ens3 34.52 24.46 279.07 4.63 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-36662) 07/17/26 _x86_64_ (4 CPU) 14:35:31 LINUX RESTART (4 CPU) 14:40:01 CPU %user %nice %system %iowait %steal %idle 14:50:19 all 49.51 0.00 0.92 0.39 0.60 48.58 14:50:19 0 54.02 0.00 0.99 0.99 0.39 43.62 14:50:19 1 49.04 0.00 0.69 0.14 0.63 49.50 14:50:19 2 46.23 0.00 1.07 0.05 0.74 51.91 14:50:19 3 48.76 0.00 0.92 0.39 0.64 49.30 15:00:14 all 55.77 0.00 1.52 0.21 0.12 42.38 15:00:14 0 49.70 0.00 1.47 0.20 0.12 48.52 15:00:14 1 46.93 0.00 1.63 0.25 0.11 51.08 15:00:14 2 68.19 0.00 1.30 0.21 0.14 30.16 15:00:14 3 58.29 0.00 1.68 0.20 0.12 39.71 Average: all 52.58 0.00 1.21 0.30 0.37 45.54 Average: 0 51.90 0.00 1.22 0.60 0.26 46.02 Average: 1 48.01 0.00 1.15 0.19 0.37 50.28 Average: 2 56.98 0.00 1.19 0.13 0.45 41.26 Average: 3 53.43 0.00 1.29 0.30 0.39 44.60