---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-926 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 667 10492 4 4830 14979 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:f7:ae:4c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.104/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84243sec preferred_lft 84243sec inet6 fe80::f816:3eff:fef7:ae4c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:b9:eb:41:b2:2a 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-926) 07/31/26 _x86_64_ (4 CPU) 16:39:55 LINUX RESTART (4 CPU) 16:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:50:23 43.13 8.89 33.59 0.65 1353.14 8789.10 1444.16 17:00:23 12.82 2.03 9.85 0.95 130.96 2950.93 2308.12 17:10:23 42.98 0.92 23.63 18.43 33.41 4238.88 238551.60 Average: 33.11 4.01 22.50 6.60 516.77 5370.97 79744.83 16:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:50:23 13025684 15497912 476404 2.91 98540 2562920 990500 5.69 337516 2668912 224 17:00:23 10369368 13771936 2187376 13.36 138676 3380440 2677556 15.37 574980 5044748 20940 17:10:23 10815072 15401144 550096 3.36 174276 4442048 1101016 6.32 903672 4171648 82156 Average: 11403375 14890331 1071292 6.54 137164 3461803 1589691 9.12 605389 3961769 34440 16:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:50:23 lo 0.39 0.39 0.04 0.04 0.00 0.00 0.00 0.00 16:50:23 ens3 72.16 55.47 563.66 10.23 0.00 0.00 0.00 0.00 16:50:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:00:23 lo 1.23 1.23 0.12 0.12 0.00 0.00 0.00 0.00 17:00:23 ens3 101.70 81.66 606.55 19.09 0.00 0.00 0.00 0.00 17:00:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:10:23 lo 1731.29 1731.29 1650.20 1650.20 0.00 0.00 0.00 0.00 17:10:23 ens3 91.12 70.36 430.11 21.03 0.00 0.00 0.00 0.00 17:10:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 570.19 570.19 543.02 543.02 0.00 0.00 0.00 0.00 Average: ens3 88.12 68.99 533.83 16.70 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-926) 07/31/26 _x86_64_ (4 CPU) 16:39:55 LINUX RESTART (4 CPU) 16:40:00 CPU %user %nice %system %iowait %steal %idle 16:50:23 all 3.39 0.00 0.52 0.33 0.02 95.75 16:50:23 0 4.80 0.00 0.59 0.11 0.02 94.48 16:50:23 1 4.37 0.00 0.45 0.30 0.02 94.87 16:50:23 2 2.80 0.00 0.45 0.05 0.03 96.67 16:50:23 3 1.58 0.00 0.58 0.85 0.02 96.97 17:00:23 all 62.87 0.00 2.01 0.04 0.10 34.98 17:00:23 0 63.40 0.00 1.93 0.04 0.10 34.53 17:00:23 1 63.22 0.00 1.94 0.02 0.10 34.72 17:00:23 2 62.68 0.00 2.24 0.06 0.10 34.92 17:00:23 3 62.16 0.00 1.94 0.04 0.10 35.76 17:10:23 all 66.70 0.00 2.75 0.07 0.11 30.36 17:10:23 0 64.80 0.00 2.70 0.08 0.11 32.31 17:10:23 1 67.43 0.00 2.66 0.06 0.11 29.73 17:10:23 2 65.91 0.00 2.89 0.04 0.11 31.05 17:10:23 3 68.67 0.00 2.74 0.10 0.12 28.37 Average: all 43.74 0.00 1.74 0.15 0.08 54.29 Average: 0 43.80 0.00 1.72 0.08 0.07 54.33 Average: 1 44.42 0.00 1.66 0.13 0.08 53.71 Average: 2 43.21 0.00 1.84 0.05 0.08 54.82 Average: 3 43.56 0.00 1.74 0.34 0.08 54.29