---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3737 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 132G 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 856 13228 4 18006 30767 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:66:43:41 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.127/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84124sec preferred_lft 84124sec inet6 fe80::f816:3eff:fe66:4341/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c6:2a:83:c0:d6:b0 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::c42a:83ff:fec0:d6b0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-3737) 03/21/26 _x86_64_ (8 CPU) 12:16:10 LINUX RESTART (8 CPU) 12:20:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:30:01 20.15 0.31 5.22 14.61 386.72 663.53 521233.85 12:40:14 38.74 2.77 35.13 0.84 210.87 1532.48 506.29 12:50:00 390.65 0.95 379.53 10.17 56.80 60688.20 367033.96 Average: 147.92 1.37 138.12 8.43 218.31 20628.31 292101.91 12:20:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:30:01 29796480 31777964 603024 1.83 66112 2251528 1521636 4.49 357212 2420820 4 12:40:14 28996360 31575644 767828 2.34 108136 2774880 1571436 4.63 484724 3035764 197508 12:50:00 16156388 30968308 1279184 3.89 388040 14098304 1764740 5.20 8137184 7472796 140 Average: 24983076 31440639 883345 2.69 187429 6374904 1619271 4.78 2993040 4309793 65884 12:20:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:30:01 lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 12:30:01 ens3 17.90 10.51 216.78 0.99 0.00 0.00 0.00 0.00 12:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:14 lo 0.37 0.37 0.07 0.07 0.00 0.00 0.00 0.00 12:40:14 ens3 35.61 25.63 244.76 9.16 0.00 0.00 0.00 0.00 12:40:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:00 lo 0.36 0.36 0.07 0.07 0.00 0.00 0.00 0.00 12:50:00 ens3 177.76 107.95 2506.65 2359.02 0.00 0.00 0.00 0.00 12:50:00 docker0 4.19 5.26 0.23 129.62 0.00 0.00 0.00 0.00 Average: lo 0.29 0.29 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 76.35 47.62 976.64 776.39 0.00 0.00 0.00 0.00 Average: docker0 1.37 1.72 0.08 42.47 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-3737) 03/21/26 _x86_64_ (8 CPU) 12:16:10 LINUX RESTART (8 CPU) 12:20:13 CPU %user %nice %system %iowait %steal %idle 12:30:01 all 0.25 0.00 0.14 0.09 0.01 99.51 12:30:01 0 0.20 0.00 0.19 0.03 0.01 99.58 12:30:01 1 0.26 0.00 0.08 0.01 0.01 99.64 12:30:01 2 0.46 0.00 0.17 0.19 0.03 99.15 12:30:01 3 0.20 0.00 0.15 0.28 0.01 99.36 12:30:01 4 0.21 0.00 0.09 0.05 0.01 99.64 12:30:01 5 0.31 0.00 0.08 0.05 0.01 99.56 12:30:01 6 0.18 0.00 0.16 0.01 0.01 99.65 12:30:01 7 0.19 0.00 0.22 0.08 0.01 99.50 12:40:14 all 1.85 0.00 0.18 0.15 0.01 97.80 12:40:14 0 0.87 0.00 0.05 0.01 0.01 99.05 12:40:14 1 2.98 0.00 0.21 0.04 0.01 96.75 12:40:14 2 1.46 0.00 0.28 0.36 0.02 97.88 12:40:14 3 2.05 0.00 0.20 0.06 0.01 97.68 12:40:14 4 1.26 0.00 0.10 0.01 0.02 98.61 12:40:14 5 2.00 0.00 0.18 0.06 0.01 97.75 12:40:14 6 3.39 0.00 0.25 0.13 0.03 96.20 12:40:14 7 0.82 0.00 0.14 0.54 0.01 98.50 12:50:00 all 10.19 0.00 5.20 1.33 0.07 83.21 12:50:00 0 9.49 0.00 4.95 2.42 0.07 83.07 12:50:00 1 11.37 0.00 5.50 0.97 0.07 82.09 12:50:00 2 10.81 0.00 5.77 1.87 0.07 81.48 12:50:00 3 9.33 0.00 5.24 0.74 0.06 84.63 12:50:00 4 9.09 0.00 4.35 1.05 0.07 85.43 12:50:00 5 10.47 0.00 5.41 1.40 0.06 82.66 12:50:00 6 10.38 0.00 5.42 1.41 0.07 82.73 12:50:00 7 10.59 0.00 4.97 0.81 0.06 83.58 Average: all 4.04 0.00 1.80 0.51 0.03 93.62 Average: 0 3.46 0.00 1.69 0.80 0.03 94.02 Average: 1 4.81 0.00 1.89 0.33 0.03 92.93 Average: 2 4.17 0.00 2.03 0.80 0.04 92.96 Average: 3 3.81 0.00 1.82 0.35 0.03 93.99 Average: 4 3.47 0.00 1.49 0.36 0.03 94.65 Average: 5 4.19 0.00 1.84 0.49 0.03 93.44 Average: 6 4.60 0.00 1.90 0.51 0.03 92.95 Average: 7 3.79 0.00 1.74 0.47 0.02 93.97