---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-5968 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: 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: 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 12G 144G 8% / 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 752 25212 4 6126 30871 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:d1:8b:5f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.251/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 85050sec preferred_lft 85050sec inet6 fe80::f816:3eff:fed1:8b5f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 26:12:0d:86:82:7d 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-5968) 03/19/26 _x86_64_ (8 CPU) 08:29:48 LINUX RESTART (8 CPU) 08:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:40:00 17.49 6.96 10.19 0.34 1251.25 18986.78 709.70 08:50:00 46.95 4.78 41.38 0.80 155.93 12628.99 5714.73 Average: 32.22 5.87 25.79 0.57 703.50 15807.36 3212.64 08:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:40:00 30144356 31874768 508184 1.55 62880 2004400 1497292 4.42 230748 2188972 8 08:50:00 26406632 31697604 609028 1.85 130240 5396284 1124872 3.32 1323748 4646020 28276 Average: 28275494 31786186 558606 1.70 96560 3700342 1311082 3.87 777248 3417496 14142 08:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:40:00 lo 0.25 0.25 0.03 0.03 0.00 0.00 0.00 0.00 08:40:00 ens3 20.05 11.53 149.96 2.16 0.00 0.00 0.00 0.00 08:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:00 lo 160.39 160.39 195.76 195.76 0.00 0.00 0.00 0.00 08:50:00 ens3 671.74 374.62 1709.77 1156.99 0.00 0.00 0.00 0.00 08:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 80.33 80.33 97.91 97.91 0.00 0.00 0.00 0.00 Average: ens3 345.95 193.11 930.00 579.67 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-5968) 03/19/26 _x86_64_ (8 CPU) 08:29:48 LINUX RESTART (8 CPU) 08:30:00 CPU %user %nice %system %iowait %steal %idle 08:40:00 all 0.42 0.00 0.16 0.23 0.01 99.17 08:40:00 0 0.20 0.00 0.08 0.06 0.01 99.65 08:40:00 1 0.30 0.00 0.14 0.05 0.02 99.49 08:40:00 2 0.51 0.00 0.18 0.15 0.02 99.14 08:40:00 3 0.21 0.00 0.16 0.06 0.01 99.56 08:40:00 4 0.92 0.00 0.12 0.06 0.02 98.88 08:40:00 5 0.46 0.00 0.27 0.26 0.01 99.01 08:40:00 6 0.37 0.00 0.10 0.21 0.01 99.32 08:40:00 7 0.40 0.00 0.26 0.97 0.01 98.36 08:50:00 all 12.79 0.00 1.12 0.61 0.06 85.42 08:50:00 0 9.46 0.00 0.96 0.40 0.05 89.12 08:50:00 1 13.15 0.00 1.20 0.35 0.06 85.25 08:50:00 2 11.67 0.00 1.21 1.65 0.06 85.41 08:50:00 3 11.80 0.00 1.32 0.52 0.06 86.30 08:50:00 4 13.26 0.00 0.92 0.23 0.06 85.52 08:50:00 5 14.56 0.00 0.96 0.19 0.05 84.24 08:50:00 6 9.64 0.00 1.13 1.04 0.05 88.13 08:50:00 7 18.82 0.00 1.23 0.52 0.06 79.37 Average: all 6.60 0.00 0.64 0.42 0.03 92.31 Average: 0 4.82 0.00 0.52 0.23 0.03 94.39 Average: 1 6.72 0.00 0.67 0.20 0.04 92.37 Average: 2 6.09 0.00 0.69 0.90 0.04 92.28 Average: 3 6.00 0.00 0.74 0.29 0.04 92.94 Average: 4 7.07 0.00 0.52 0.15 0.04 92.22 Average: 5 7.50 0.00 0.61 0.22 0.03 91.63 Average: 6 5.00 0.00 0.61 0.63 0.03 93.74 Average: 7 9.59 0.00 0.74 0.75 0.04 88.88