---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-1294 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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): 8 On-line CPU(s) list: 0-7 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): 8 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: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 16G 140G 10% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 742 22464 4 8885 30882 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:28:77:61 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.83/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84305sec preferred_lft 84305sec inet6 fe80::f816:3eff:fe28:7761/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:7c:f3:36:f6:a6 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 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-1294) 03/03/26 _x86_64_ (8 CPU) 15:36:54 LINUX RESTART (8 CPU) 15:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:50:11 3.69 0.41 3.07 0.20 397.32 388.44 409.10 16:00:20 1.45 0.20 1.24 0.00 1.80 14.57 0.00 16:10:01 161.48 3.80 151.17 6.50 221.74 20008.03 3898.81 Average: 53.81 1.43 50.21 2.17 206.96 6588.92 1396.13 15:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:50:11 29945904 31786600 597212 1.82 62756 2115120 1510640 4.45 326268 2311672 40 16:00:20 29938016 31780012 603696 1.84 63784 2115264 1511152 4.46 327308 2321704 4 16:10:01 20952892 28732788 3531656 10.75 353320 7157524 2719052 8.02 1028012 9852516 317588 Average: 26945604 30766467 1577521 4.80 159953 3795969 1913615 5.64 560529 4828631 105877 15:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:50:11 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 15:50:11 ens3 5.33 2.64 125.51 0.52 0.00 0.00 0.00 0.00 15:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:00:20 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 16:00:20 ens3 0.36 0.21 0.13 0.30 0.00 0.00 0.00 0.00 16:00:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:01 lo 1.27 1.27 0.19 0.19 0.00 0.00 0.00 0.00 16:10:01 ens3 267.84 205.37 2994.27 36.75 0.00 0.00 0.00 0.00 16:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.48 0.48 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 88.30 67.20 1008.23 12.13 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 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-1294) 03/03/26 _x86_64_ (8 CPU) 15:36:54 LINUX RESTART (8 CPU) 15:40:00 CPU %user %nice %system %iowait %steal %idle 15:50:11 all 0.18 0.00 0.05 0.06 0.01 99.70 15:50:11 0 0.12 0.00 0.07 0.04 0.00 99.76 15:50:11 1 0.17 0.00 0.05 0.09 0.03 99.65 15:50:11 2 0.12 0.00 0.05 0.02 0.01 99.80 15:50:11 3 0.12 0.00 0.05 0.00 0.01 99.82 15:50:11 4 0.31 0.00 0.08 0.32 0.01 99.28 15:50:11 5 0.14 0.00 0.03 0.01 0.00 99.82 15:50:11 6 0.30 0.00 0.03 0.00 0.00 99.66 15:50:11 7 0.17 0.00 0.05 0.00 0.00 99.78 16:00:20 all 0.02 0.00 0.01 0.01 0.01 99.95 16:00:20 0 0.01 0.00 0.01 0.00 0.00 99.97 16:00:20 1 0.01 0.00 0.01 0.00 0.02 99.96 16:00:20 2 0.03 0.00 0.02 0.01 0.02 99.91 16:00:20 3 0.01 0.00 0.01 0.00 0.01 99.97 16:00:20 4 0.01 0.00 0.01 0.03 0.00 99.95 16:00:20 5 0.05 0.00 0.01 0.00 0.01 99.94 16:00:20 6 0.02 0.00 0.00 0.00 0.00 99.97 16:00:20 7 0.02 0.00 0.01 0.00 0.00 99.97 16:10:01 all 22.34 0.00 1.70 0.34 0.07 75.56 16:10:01 0 15.90 0.00 1.67 0.11 0.07 82.26 16:10:01 1 20.45 0.00 2.47 0.28 0.07 76.74 16:10:01 2 27.84 0.00 1.78 0.17 0.08 70.14 16:10:01 3 26.58 0.00 1.79 0.50 0.06 71.07 16:10:01 4 22.64 0.02 1.74 0.70 0.07 74.83 16:10:01 5 19.28 0.00 1.47 0.22 0.06 78.97 16:10:01 6 29.04 0.00 1.58 0.59 0.07 68.72 16:10:01 7 17.00 0.00 1.12 0.14 0.06 81.69 Average: all 7.26 0.00 0.57 0.13 0.03 92.01 Average: 0 5.18 0.00 0.57 0.05 0.02 94.18 Average: 1 6.64 0.00 0.82 0.12 0.04 92.38 Average: 2 9.01 0.00 0.60 0.07 0.03 90.29 Average: 3 8.60 0.00 0.60 0.16 0.03 90.62 Average: 4 7.39 0.01 0.59 0.34 0.03 91.64 Average: 5 6.27 0.00 0.49 0.08 0.02 93.14 Average: 6 9.46 0.00 0.52 0.19 0.03 89.81 Average: 7 5.54 0.00 0.38 0.05 0.02 94.01