---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-259 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 25G 131G 16% / 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 866 12655 4 18569 30758 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:2b:5f:6b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.244/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84042sec preferred_lft 84042sec inet6 fe80::f816:3eff:fe2b:5f6b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1e:c5:10:0d:7a:71 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 inet6 fe80::1cc5:10ff:fe0d:7a71/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-259) 03/07/26 _x86_64_ (8 CPU) 12:16:20 LINUX RESTART (8 CPU) 12:20:24 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:30:24 1.44 0.04 1.39 0.01 2.03 17.63 220.61 12:40:25 39.13 3.15 35.13 0.85 224.69 2041.58 678.95 12:50:01 306.77 0.59 297.34 8.84 46.94 58922.04 311933.48 Average: 113.19 1.27 108.77 3.16 91.82 19804.19 101464.32 12:20:24 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:30:24 30156516 31782696 605200 1.84 60116 1905116 1517760 4.48 180792 2251112 156 12:40:25 28773220 31217476 1123740 3.42 108616 2634948 1623120 4.79 349844 3377528 272600 12:50:01 16861372 30927044 1324256 4.03 370396 13408824 1821360 5.37 7681036 7274592 41928 Average: 25263703 31309072 1017732 3.10 179709 5982963 1654080 4.88 2737224 4301077 104895 12:20:24 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:30:24 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 12:30:24 ens3 0.44 0.27 0.19 0.31 0.00 0.00 0.00 0.00 12:30:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:25 lo 0.38 0.38 0.07 0.07 0.00 0.00 0.00 0.00 12:40:25 ens3 53.38 40.86 454.79 11.04 0.00 0.00 0.00 0.00 12:40:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:01 lo 0.32 0.32 0.06 0.06 0.00 0.00 0.00 0.00 12:50:01 ens3 150.41 90.52 2290.71 2394.94 0.00 0.00 0.00 0.00 12:50:01 docker0 3.07 3.95 0.16 91.34 0.00 0.00 0.00 0.00 Average: lo 0.27 0.27 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 66.96 43.25 896.59 780.52 0.00 0.00 0.00 0.00 Average: docker0 1.00 1.28 0.05 29.62 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-259) 03/07/26 _x86_64_ (8 CPU) 12:16:20 LINUX RESTART (8 CPU) 12:20:24 CPU %user %nice %system %iowait %steal %idle 12:30:24 all 0.12 0.00 0.02 0.01 0.01 99.84 12:30:24 0 0.02 0.00 0.01 0.01 0.01 99.95 12:30:24 1 0.68 0.00 0.02 0.02 0.02 99.26 12:30:24 2 0.03 0.00 0.02 0.00 0.00 99.94 12:30:24 3 0.02 0.00 0.01 0.00 0.01 99.96 12:30:24 4 0.04 0.00 0.01 0.00 0.00 99.94 12:30:24 5 0.01 0.00 0.00 0.00 0.00 99.98 12:30:24 6 0.03 0.00 0.00 0.05 0.00 99.91 12:30:24 7 0.17 0.00 0.03 0.00 0.02 99.78 12:40:25 all 2.64 0.00 0.22 0.17 0.02 96.96 12:40:25 0 2.20 0.00 0.16 0.01 0.01 97.62 12:40:25 1 4.11 0.00 0.22 0.13 0.03 95.51 12:40:25 2 1.86 0.00 0.17 0.09 0.02 97.86 12:40:25 3 2.92 0.00 0.38 0.33 0.01 96.36 12:40:25 4 2.11 0.00 0.14 0.02 0.01 97.71 12:40:25 5 3.04 0.00 0.30 0.68 0.01 95.97 12:40:25 6 2.28 0.00 0.17 0.02 0.01 97.52 12:40:25 7 2.60 0.00 0.19 0.07 0.02 97.12 12:50:01 all 8.99 0.00 5.07 1.96 0.06 83.92 12:50:01 0 8.25 0.00 5.05 2.02 0.06 84.62 12:50:01 1 8.83 0.00 5.11 1.35 0.06 84.64 12:50:01 2 8.67 0.00 5.13 1.49 0.06 84.65 12:50:01 3 9.49 0.00 4.90 0.84 0.06 84.72 12:50:01 4 8.77 0.00 5.07 1.70 0.06 84.40 12:50:01 5 8.84 0.00 5.11 2.49 0.07 83.50 12:50:01 6 10.28 0.00 5.01 2.54 0.06 82.10 12:50:01 7 8.80 0.00 5.16 3.26 0.07 82.71 Average: all 3.83 0.00 1.71 0.69 0.03 93.74 Average: 0 3.41 0.00 1.69 0.66 0.03 94.22 Average: 1 4.47 0.00 1.73 0.49 0.03 93.28 Average: 2 3.43 0.00 1.72 0.51 0.03 94.31 Average: 3 4.06 0.00 1.71 0.38 0.02 93.82 Average: 4 3.55 0.00 1.68 0.56 0.02 94.19 Average: 5 3.88 0.00 1.75 1.03 0.03 93.32 Average: 6 4.10 0.00 1.68 0.85 0.02 93.36 Average: 7 3.77 0.00 1.73 1.08 0.04 93.38