---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-413 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 705 10464 4 4819 14941 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:e8:f1:d0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.21/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84028sec preferred_lft 84028sec inet6 fe80::f816:3eff:fee8:f1d0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e2:b9:06:12:0a:e1 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-413) 07/29/26 _x86_64_ (4 CPU) 21:13:34 LINUX RESTART (4 CPU) 21:20:23 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:30:23 5.29 1.87 3.37 0.05 121.33 694.92 190.01 21:40:23 12.47 0.44 10.91 1.12 17.35 2798.33 2705.22 21:50:23 29.23 0.63 24.26 4.33 25.09 4042.55 3838.57 Average: 15.66 0.98 12.84 1.83 54.59 2511.56 2244.22 21:20:23 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:30:23 11882980 14755428 1209268 7.39 113676 2926016 1784612 10.24 440648 3721040 176956 21:40:23 10209160 13767012 2190552 13.38 144516 3512576 2463844 14.14 630272 5128188 33212 21:50:23 10808220 15383200 567568 3.47 172152 4433552 1107732 6.36 897672 4156572 8 Average: 10966787 14635213 1322463 8.08 143448 3624048 1785396 10.25 656197 4335267 70059 21:20:23 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:30:23 lo 0.17 0.17 0.01 0.01 0.00 0.00 0.00 0.00 21:30:23 ens3 52.36 43.00 630.45 6.10 0.00 0.00 0.00 0.00 21:30:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:40:23 lo 1.42 1.42 0.14 0.14 0.00 0.00 0.00 0.00 21:40:23 ens3 70.14 52.10 97.56 17.18 0.00 0.00 0.00 0.00 21:40:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:50:23 lo 1703.22 1703.22 1616.45 1616.45 0.00 0.00 0.00 0.00 21:50:23 ens3 99.72 83.65 413.99 90.42 0.00 0.00 0.00 0.00 21:50:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 567.93 567.93 538.54 538.54 0.00 0.00 0.00 0.00 Average: ens3 74.07 59.58 380.63 37.88 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-413) 07/29/26 _x86_64_ (4 CPU) 21:13:34 LINUX RESTART (4 CPU) 21:20:23 CPU %user %nice %system %iowait %steal %idle 21:30:23 all 5.28 0.00 0.26 0.03 0.03 94.40 21:30:23 0 4.47 0.00 0.22 0.01 0.02 95.28 21:30:23 1 5.30 0.00 0.30 0.01 0.03 94.35 21:30:23 2 5.65 0.00 0.29 0.07 0.04 93.95 21:30:23 3 5.70 0.00 0.24 0.03 0.03 94.01 21:40:23 all 73.08 0.00 2.23 0.03 0.09 24.57 21:40:23 0 74.50 0.00 2.17 0.03 0.09 23.22 21:40:23 1 72.45 0.00 2.15 0.02 0.09 25.29 21:40:23 2 73.16 0.00 2.46 0.04 0.09 24.25 21:40:23 3 72.22 0.00 2.15 0.04 0.09 25.50 21:50:23 all 55.10 0.00 2.53 0.08 0.08 42.21 21:50:23 0 54.34 0.00 2.37 0.09 0.08 43.12 21:50:23 1 55.94 0.00 2.35 0.07 0.08 41.55 21:50:23 2 53.25 0.00 2.90 0.09 0.08 43.68 21:50:23 3 56.85 0.00 2.49 0.07 0.08 40.50 Average: all 44.43 0.00 1.67 0.05 0.07 53.78 Average: 0 44.40 0.00 1.59 0.04 0.06 53.91 Average: 1 44.48 0.00 1.60 0.03 0.07 53.82 Average: 2 43.95 0.00 1.88 0.07 0.07 54.04 Average: 3 44.89 0.00 1.62 0.04 0.07 53.37