---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-219 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 24G 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 854 12775 4 18462 30769 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:95:94:77 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.69/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83835sec preferred_lft 83835sec inet6 fe80::f816:3eff:fe95:9477/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:d3:c6:59:d0:0f 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::8d3:c6ff:fe59:d00f/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-219) 04/10/26 _x86_64_ (8 CPU) 12:16:51 LINUX RESTART (8 CPU) 12:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:30:15 17.23 0.09 3.30 13.84 3.61 252.19 497586.95 12:40:15 42.58 2.88 38.84 0.86 224.08 1617.91 846.71 12:50:00 291.34 0.96 281.75 8.62 56.87 47136.14 529400.27 Average: 114.73 1.31 105.61 7.81 94.48 15938.00 342170.05 12:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:30:15 30024160 31764668 619412 1.88 63444 2014716 1503120 4.43 224156 2305900 108 12:40:15 29287700 31685460 661160 2.01 104948 2597836 1757416 5.18 352908 2887892 250128 12:50:00 18212136 31011640 1248084 3.80 336248 12228744 1762124 5.20 5431388 8233124 1192 Average: 25841332 31487256 842885 2.56 168213 5613765 1674220 4.94 2002817 4475639 83809 12:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:30:15 lo 0.13 0.13 0.01 0.01 0.00 0.00 0.00 0.00 12:30:15 ens3 4.46 2.31 81.28 0.44 0.00 0.00 0.00 0.00 12:30:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:15 lo 0.39 0.39 0.07 0.07 0.00 0.00 0.00 0.00 12:40:15 ens3 38.49 27.61 286.26 8.96 0.00 0.00 0.00 0.00 12:40:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:00 lo 0.23 0.23 0.04 0.04 0.00 0.00 0.00 0.00 12:50:00 ens3 104.59 60.85 2328.31 8.26 0.00 0.00 0.00 0.00 12:50:00 docker0 3.11 4.15 0.17 90.13 0.00 0.00 0.00 0.00 Average: lo 0.25 0.25 0.04 0.04 0.00 0.00 0.00 0.00 Average: ens3 48.34 29.77 879.62 5.82 0.00 0.00 0.00 0.00 Average: docker0 1.01 1.35 0.05 29.28 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-219) 04/10/26 _x86_64_ (8 CPU) 12:16:51 LINUX RESTART (8 CPU) 12:20:01 CPU %user %nice %system %iowait %steal %idle 12:30:15 all 0.13 0.00 0.07 0.09 0.01 99.70 12:30:15 0 0.07 0.00 0.05 0.32 0.00 99.56 12:30:15 1 0.17 0.00 0.04 0.04 0.01 99.73 12:30:15 2 0.09 0.00 0.05 0.01 0.01 99.85 12:30:15 3 0.11 0.00 0.27 0.19 0.00 99.43 12:30:15 4 0.36 0.00 0.02 0.01 0.01 99.60 12:30:15 5 0.09 0.00 0.06 0.03 0.02 99.80 12:30:15 6 0.09 0.00 0.04 0.03 0.00 99.84 12:30:15 7 0.07 0.00 0.04 0.11 0.01 99.77 12:40:15 all 1.73 0.00 0.19 0.16 0.01 97.91 12:40:15 0 0.61 0.00 0.15 0.53 0.01 98.71 12:40:15 1 0.84 0.00 0.11 0.02 0.01 99.01 12:40:15 2 1.06 0.00 0.11 0.12 0.01 98.69 12:40:15 3 5.56 0.00 0.45 0.17 0.01 93.80 12:40:15 4 1.92 0.00 0.23 0.37 0.01 97.48 12:40:15 5 1.79 0.00 0.19 0.03 0.02 97.97 12:40:15 6 1.20 0.00 0.15 0.02 0.01 98.63 12:40:15 7 0.86 0.00 0.12 0.05 0.02 98.95 12:50:00 all 7.69 0.00 4.37 4.24 0.07 83.63 12:50:00 0 6.65 0.00 4.23 4.75 0.06 84.31 12:50:00 1 8.07 0.00 4.91 5.16 0.07 81.79 12:50:00 2 7.44 0.00 4.63 4.38 0.08 83.47 12:50:00 3 7.45 0.00 4.57 7.15 0.07 80.76 12:50:00 4 7.15 0.00 3.97 2.28 0.06 86.54 12:50:00 5 7.15 0.00 3.97 3.35 0.06 85.47 12:50:00 6 8.14 0.00 4.19 1.90 0.06 85.72 12:50:00 7 9.46 0.00 4.50 5.00 0.07 80.96 Average: all 3.11 0.00 1.50 1.46 0.03 93.91 Average: 0 2.38 0.00 1.43 1.82 0.02 94.35 Average: 1 2.95 0.00 1.64 1.69 0.03 93.69 Average: 2 2.79 0.00 1.55 1.46 0.03 94.18 Average: 3 4.30 0.00 1.71 2.43 0.03 91.53 Average: 4 3.07 0.00 1.37 0.86 0.02 94.67 Average: 5 2.94 0.00 1.37 1.10 0.03 94.56 Average: 6 3.07 0.00 1.41 0.63 0.02 94.87 Average: 7 3.37 0.00 1.51 1.67 0.03 93.42