---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38041 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 9.4G 68G 13% / 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 676 11383 4 3929 14970 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:d3:9f:21 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.61/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83261sec preferred_lft 83261sec inet6 fe80::f816:3eff:fed3:9f21/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ca:c7:92:8a:b4:66 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-38041) 07/23/26 _x86_64_ (4 CPU) 10:43:50 LINUX RESTART (4 CPU) 10:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:00:10 1.21 0.00 1.20 0.00 0.04 14.41 0.13 11:10:40 0.99 0.00 0.99 0.00 0.00 11.82 0.00 11:20:04 1.15 0.00 1.15 0.00 0.01 13.33 0.00 11:30:18 34.59 1.47 32.24 0.87 110.40 2042.42 1215.04 Average: 9.61 0.38 9.02 0.22 28.05 528.51 308.61 10:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:00:10 13779888 15529476 489216 2.99 54048 1922640 1140412 6.55 193848 2151448 20 11:10:40 13775356 15525292 493448 3.01 54384 1922648 1140588 6.55 194188 2157980 12 11:20:04 13774096 15524428 494256 3.02 54756 1922656 1140604 6.55 194568 2157936 48 11:30:18 12699160 15241296 729700 4.46 97028 2631724 1397588 8.02 317772 3024100 254640 Average: 13507125 15455123 551655 3.37 65054 2099917 1204798 6.92 225094 2372866 63680 10:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:00:10 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 11:00:10 ens3 0.70 0.21 0.32 0.12 0.00 0.00 0.00 0.00 11:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:40 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 11:10:40 ens3 0.46 0.27 0.11 0.61 0.00 0.00 0.00 0.00 11:10:40 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:04 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 11:20:04 ens3 0.28 0.13 0.09 0.05 0.00 0.00 0.00 0.00 11:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:18 lo 0.46 0.46 0.04 0.04 0.00 0.00 0.00 0.00 11:30:18 ens3 37.27 27.14 282.63 6.13 0.00 0.00 0.00 0.00 11:30:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.19 0.19 0.02 0.02 0.00 0.00 0.00 0.00 Average: ens3 9.83 7.05 71.91 1.76 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-38041) 07/23/26 _x86_64_ (4 CPU) 10:43:50 LINUX RESTART (4 CPU) 10:50:00 CPU %user %nice %system %iowait %steal %idle 11:00:10 all 0.07 0.00 0.03 0.01 0.01 99.87 11:00:10 0 0.04 0.00 0.04 0.02 0.02 99.88 11:00:10 1 0.05 0.00 0.04 0.00 0.02 99.89 11:00:10 2 0.15 0.00 0.03 0.01 0.01 99.80 11:00:10 3 0.05 0.00 0.02 0.00 0.01 99.91 11:10:40 all 0.08 0.00 0.03 0.00 0.02 99.87 11:10:40 0 0.01 0.00 0.01 0.01 0.00 99.96 11:10:40 1 0.18 0.00 0.05 0.00 0.03 99.75 11:10:40 2 0.03 0.00 0.03 0.00 0.01 99.92 11:10:40 3 0.11 0.00 0.03 0.00 0.02 99.85 11:20:04 all 0.13 0.00 0.03 0.01 0.02 99.81 11:20:04 0 0.13 0.00 0.02 0.00 0.01 99.84 11:20:04 1 0.02 0.00 0.03 0.02 0.02 99.91 11:20:04 2 0.03 0.00 0.04 0.00 0.02 99.90 11:20:04 3 0.35 0.00 0.03 0.01 0.02 99.59 11:30:18 all 3.18 0.00 0.40 0.22 0.03 96.17 11:30:18 0 2.77 0.00 0.38 0.28 0.01 96.54 11:30:18 1 4.43 0.00 0.36 0.06 0.03 95.12 11:30:18 2 4.58 0.00 0.62 0.38 0.03 94.39 11:30:18 3 0.95 0.00 0.21 0.17 0.03 98.64 Average: all 0.88 0.00 0.12 0.06 0.02 98.92 Average: 0 0.75 0.00 0.12 0.08 0.01 99.04 Average: 1 1.19 0.00 0.12 0.02 0.02 98.65 Average: 2 1.21 0.00 0.18 0.10 0.02 98.48 Average: 3 0.37 0.00 0.07 0.05 0.02 99.50