---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-620 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 22G 134G 14% / 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 868 15730 4 15493 30755 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:5f:f7:60 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.231/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84313sec preferred_lft 84313sec inet6 fe80::f816:3eff:fe5f:f760/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:13:56:de:81:d0 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::2813:56ff:fede:81d0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-620) 03/30/26 _x86_64_ (8 CPU) 10:57:50 LINUX RESTART (8 CPU) 11:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:10:00 19.77 0.77 4.80 14.19 19.35 7207.72 509888.32 11:20:00 199.64 3.21 189.70 6.73 263.76 20303.32 57243.45 11:30:00 280.14 1.14 269.55 9.45 15.27 47700.37 721698.77 Average: 166.52 1.71 154.69 10.12 99.46 25070.47 429610.18 11:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:10:00 29994464 31742148 634100 1.93 65944 2012780 1489852 4.39 229624 2323668 400 11:20:00 24667080 31211128 1077780 3.28 238708 6353856 1639436 4.83 1925860 5582544 901668 11:30:00 16037476 31039692 1195296 3.64 406256 14131920 1761904 5.20 5901448 9715736 54972 Average: 23566340 31330989 969059 2.95 236969 7499519 1630397 4.81 2685644 5873983 319013 11:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:10:00 lo 0.13 0.13 0.01 0.01 0.00 0.00 0.00 0.00 11:10:00 ens3 5.69 2.34 83.38 0.70 0.00 0.00 0.00 0.00 11:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:00 lo 0.79 0.79 0.14 0.14 0.00 0.00 0.00 0.00 11:20:00 ens3 173.25 110.30 1860.39 400.57 0.00 0.00 0.00 0.00 11:20:00 docker0 19.38 49.06 1.21 817.36 0.00 0.00 0.00 0.00 11:30:00 lo 0.35 0.35 0.05 0.05 0.00 0.00 0.00 0.00 11:30:00 ens3 123.26 90.11 1226.90 2114.55 0.00 0.00 0.00 0.00 11:30:00 docker0 30.71 44.92 2.33 862.84 0.00 0.00 0.00 0.00 Average: lo 0.42 0.42 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 100.73 67.58 1056.89 838.61 0.00 0.00 0.00 0.00 Average: docker0 16.70 31.33 1.18 560.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-620) 03/30/26 _x86_64_ (8 CPU) 10:57:50 LINUX RESTART (8 CPU) 11:00:00 CPU %user %nice %system %iowait %steal %idle 11:10:00 all 0.15 0.00 0.08 0.07 0.01 99.70 11:10:00 0 0.10 0.00 0.08 0.17 0.00 99.65 11:10:00 1 0.43 0.00 0.20 0.18 0.01 99.18 11:10:00 2 0.15 0.00 0.06 0.02 0.01 99.75 11:10:00 3 0.11 0.00 0.05 0.01 0.01 99.82 11:10:00 4 0.11 0.01 0.07 0.04 0.01 99.76 11:10:00 5 0.13 0.00 0.04 0.00 0.00 99.82 11:10:00 6 0.09 0.00 0.06 0.09 0.01 99.75 11:10:00 7 0.09 0.00 0.07 0.01 0.01 99.83 11:20:00 all 6.51 0.00 1.81 1.08 0.04 90.55 11:20:00 0 6.30 0.00 1.82 1.11 0.04 90.72 11:20:00 1 6.66 0.00 1.85 1.43 0.05 90.01 11:20:00 2 7.20 0.00 1.86 1.46 0.05 89.44 11:20:00 3 6.13 0.00 1.64 1.05 0.04 91.14 11:20:00 4 7.29 0.00 1.73 0.61 0.04 90.34 11:20:00 5 6.02 0.00 1.95 1.39 0.05 90.60 11:20:00 6 7.44 0.00 1.84 0.99 0.05 89.69 11:20:00 7 5.06 0.00 1.77 0.64 0.04 92.49 11:30:00 all 13.80 0.00 3.74 0.73 0.06 81.68 11:30:00 0 15.95 0.00 3.66 0.67 0.06 79.66 11:30:00 1 12.20 0.00 3.56 0.88 0.06 83.30 11:30:00 2 14.08 0.00 3.74 0.57 0.06 81.56 11:30:00 3 12.54 0.00 3.84 0.48 0.06 83.09 11:30:00 4 18.99 0.00 4.28 0.84 0.06 75.83 11:30:00 5 12.09 0.00 3.74 0.85 0.06 83.26 11:30:00 6 13.91 0.00 3.64 0.75 0.06 81.63 11:30:00 7 10.60 0.00 3.43 0.82 0.05 85.10 Average: all 6.80 0.00 1.87 0.63 0.04 90.67 Average: 0 7.43 0.00 1.85 0.65 0.04 90.04 Average: 1 6.41 0.00 1.86 0.83 0.04 90.86 Average: 2 7.12 0.00 1.88 0.68 0.04 90.28 Average: 3 6.24 0.00 1.84 0.51 0.04 91.38 Average: 4 8.77 0.00 2.02 0.50 0.04 88.68 Average: 5 6.06 0.00 1.91 0.75 0.03 91.25 Average: 6 7.12 0.00 1.84 0.61 0.04 90.38 Average: 7 5.23 0.00 1.75 0.49 0.03 92.50