---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-19257 5.15.0-170-generic #180-Ubuntu SMP Fri Jan 9 16:10:31 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 28G 128G 18% / 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 1046 9062 4 21983 30578 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:70:ec:24 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.14/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84096sec preferred_lft 84096sec inet6 fe80::f816:3eff:fe70:ec24/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c6:50:4a:74:9d:f4 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::c450:4aff:fe74:9df4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-170-generic (prd-ubuntu2204-docker-8c-8g-19257) 02/22/26 _x86_64_ (8 CPU) 16:05:51 LINUX RESTART (8 CPU) 16:10:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:20:12 449.45 1.07 439.90 8.49 253.80 54196.29 61510.52 16:30:12 111.92 0.20 106.94 4.78 1.73 14359.36 22754.81 16:40:11 3.88 0.01 3.76 0.11 0.39 412.80 702.17 Average: 188.46 0.43 183.57 4.46 85.33 22994.50 28328.64 16:10:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:20:12 10360436 27696016 4518824 13.75 528892 16063704 4659516 13.74 4731276 16242756 1123668 16:30:12 7834052 27600040 4814116 14.65 561580 18140796 5273924 15.55 5563372 17773096 84 16:40:11 7611628 27558556 4916384 14.96 569792 18218352 5400260 15.92 5596928 17926296 4 Average: 8602039 27618204 4749775 14.45 553421 17474284 5111233 15.07 5297192 17314049 374585 16:10:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:20:12 lo 0.48 0.48 0.08 0.08 0.00 0.00 0.00 0.00 16:20:12 ens3 219.30 124.94 2272.64 24.37 0.00 0.00 0.00 0.00 16:20:12 docker0 22.71 41.80 1.32 727.15 0.00 0.00 0.00 0.00 16:30:12 lo 0.17 0.17 0.02 0.02 0.00 0.00 0.00 0.00 16:30:12 ens3 77.57 45.87 561.59 14.09 0.00 0.00 0.00 0.00 16:30:12 docker0 9.80 17.63 0.65 332.94 0.00 0.00 0.00 0.00 16:30:12 veth5774f8f 3.40 7.60 0.33 164.20 0.00 0.00 0.00 0.01 16:40:11 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 16:40:11 ens3 15.38 10.24 21.30 2.98 0.00 0.00 0.00 0.00 16:40:11 docker0 9.37 13.96 1.99 20.58 0.00 0.00 0.00 0.00 16:40:11 veth5774f8f 9.37 13.97 2.12 20.58 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 104.10 60.36 952.05 13.81 0.00 0.00 0.00 0.00 Average: docker0 13.96 24.46 1.32 360.30 0.00 0.00 0.00 0.00 Average: veth5774f8f 4.26 7.19 0.82 61.60 0.00 0.00 0.00 0.01 ---> sar -P ALL: Linux 5.15.0-170-generic (prd-ubuntu2204-docker-8c-8g-19257) 02/22/26 _x86_64_ (8 CPU) 16:05:51 LINUX RESTART (8 CPU) 16:10:12 CPU %user %nice %system %iowait %steal %idle 16:20:12 all 15.48 0.00 3.70 1.72 0.06 79.04 16:20:12 0 15.24 0.00 3.36 1.41 0.06 79.93 16:20:12 1 16.08 0.00 3.98 1.24 0.06 78.64 16:20:12 2 11.79 0.00 3.12 1.70 0.06 83.33 16:20:12 3 14.74 0.00 3.86 1.84 0.07 79.49 16:20:12 4 17.81 0.00 3.85 1.63 0.07 76.64 16:20:12 5 16.31 0.00 3.71 1.88 0.06 78.03 16:20:12 6 16.97 0.00 4.10 1.86 0.07 77.01 16:20:12 7 14.89 0.00 3.60 2.23 0.06 79.21 16:30:12 all 17.12 0.00 1.07 0.36 0.04 81.41 16:30:12 0 9.02 0.00 0.92 0.43 0.04 89.60 16:30:12 1 17.71 0.00 1.02 0.33 0.05 80.90 16:30:12 2 14.72 0.00 0.96 0.23 0.04 84.05 16:30:12 3 11.84 0.00 1.11 0.28 0.03 86.74 16:30:12 4 9.28 0.00 0.98 0.20 0.03 89.51 16:30:12 5 8.00 0.00 1.10 0.82 0.03 90.04 16:30:12 6 57.79 0.00 1.49 0.36 0.07 40.29 16:30:12 7 8.65 0.00 1.00 0.22 0.03 90.11 16:40:11 all 11.19 0.00 0.27 0.02 0.02 88.51 16:40:11 0 0.46 0.00 0.13 0.04 0.03 99.35 16:40:11 1 0.29 0.00 0.08 0.01 0.01 99.62 16:40:11 2 8.34 0.00 0.21 0.00 0.01 91.44 16:40:11 3 12.14 0.00 0.42 0.01 0.03 87.40 16:40:11 4 0.72 0.00 0.06 0.00 0.01 99.21 16:40:11 5 8.34 0.00 0.23 0.05 0.02 91.36 16:40:11 6 59.02 0.00 0.88 0.01 0.06 40.03 16:40:11 7 0.23 0.00 0.12 0.01 0.01 99.63 Average: all 14.59 0.00 1.67 0.70 0.04 82.99 Average: 0 8.22 0.00 1.47 0.62 0.04 89.64 Average: 1 11.34 0.00 1.69 0.52 0.04 86.41 Average: 2 11.61 0.00 1.43 0.64 0.04 86.28 Average: 3 12.90 0.00 1.79 0.70 0.04 84.56 Average: 4 9.24 0.00 1.62 0.61 0.04 88.49 Average: 5 10.88 0.00 1.68 0.91 0.04 86.49 Average: 6 44.66 0.00 2.15 0.74 0.07 52.38 Average: 7 7.91 0.00 1.57 0.82 0.03 89.67