---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-378 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 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 853 9264 4 21973 30771 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:44:6e:61 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.147/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83659sec preferred_lft 83659sec inet6 fe80::f816:3eff:fe44:6e61/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 42:af:3d:d7:dd:ff 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::40af:3dff:fed7:ddff/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-378) 02/27/26 _x86_64_ (8 CPU) 22:41:43 LINUX RESTART (8 CPU) 22:50:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:00:09 1.82 0.21 1.61 0.01 1.83 19.72 118.45 23:10:06 182.75 3.18 171.39 8.18 256.43 22079.86 91450.13 23:20:09 309.64 0.18 302.62 6.84 6.32 67787.61 350258.41 Average: 165.00 1.18 158.81 5.01 87.67 30057.88 147816.28 22:50:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:00:09 29935304 31786064 597736 1.82 63952 2123848 1502892 4.43 328192 2315428 20 23:10:06 24098480 31195328 1094372 3.33 233200 6946028 1622500 4.78 2263392 5836244 1068464 23:20:09 12008780 30979740 1260968 3.84 484296 18091060 1917796 5.66 8589944 11082396 48588 Average: 22014188 31320377 984359 3.00 260483 9053645 1681063 4.96 3727176 6411356 372357 22:50:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:00:09 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 23:00:09 ens3 0.41 0.25 0.15 0.31 0.00 0.00 0.00 0.00 23:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:10:06 lo 0.82 0.82 0.18 0.18 0.00 0.00 0.00 0.00 23:10:06 ens3 197.22 136.71 2105.54 1010.59 0.00 0.00 0.00 0.00 23:10:06 docker0 32.57 60.04 1.88 823.42 0.00 0.00 0.00 0.00 23:20:09 lo 0.42 0.42 0.06 0.06 0.00 0.00 0.00 0.00 23:20:09 ens3 140.54 99.99 1302.84 2723.48 0.00 0.00 0.00 0.00 23:20:09 docker0 21.81 34.89 1.71 537.23 0.00 0.00 0.00 0.00 23:20:09 veth3cd5cb5 13.60 19.14 0.92 336.93 0.00 0.00 0.00 0.03 Average: lo 0.44 0.44 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 112.61 78.90 1134.50 1248.37 0.00 0.00 0.00 0.00 Average: docker0 18.11 31.59 1.19 452.95 0.00 0.00 0.00 0.00 Average: veth3cd5cb5 4.56 6.42 0.31 113.01 0.00 0.00 0.00 0.01 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-378) 02/27/26 _x86_64_ (8 CPU) 22:41:43 LINUX RESTART (8 CPU) 22:50:09 CPU %user %nice %system %iowait %steal %idle 23:00:09 all 0.06 0.00 0.01 0.01 0.01 99.92 23:00:09 0 0.00 0.00 0.00 0.00 0.00 99.99 23:00:09 1 0.20 0.00 0.01 0.00 0.01 99.77 23:00:09 2 0.18 0.00 0.02 0.00 0.01 99.79 23:00:09 3 0.04 0.00 0.03 0.01 0.02 99.91 23:00:09 4 0.01 0.00 0.01 0.00 0.01 99.97 23:00:09 5 0.01 0.00 0.00 0.00 0.01 99.98 23:00:09 6 0.01 0.00 0.01 0.03 0.00 99.94 23:00:09 7 0.01 0.00 0.01 0.00 0.00 99.97 23:10:06 all 6.34 0.00 1.70 0.89 0.04 91.02 23:10:06 0 5.65 0.00 1.66 0.80 0.04 91.85 23:10:06 1 5.52 0.00 1.69 0.93 0.05 91.82 23:10:06 2 6.84 0.00 1.45 0.51 0.04 91.16 23:10:06 3 8.15 0.00 1.79 0.65 0.04 89.37 23:10:06 4 7.70 0.00 1.92 1.48 0.04 88.86 23:10:06 5 4.88 0.00 1.42 0.29 0.03 93.38 23:10:06 6 6.60 0.00 1.92 0.96 0.04 90.47 23:10:06 7 5.39 0.00 1.80 1.52 0.04 91.26 23:20:09 all 8.95 0.00 3.27 1.64 0.06 86.07 23:20:09 0 7.70 0.00 3.01 1.33 0.05 87.90 23:20:09 1 8.77 0.00 3.78 1.56 0.06 85.83 23:20:09 2 9.18 0.00 3.61 1.57 0.07 85.57 23:20:09 3 9.87 0.00 3.46 0.96 0.07 85.64 23:20:09 4 9.74 0.00 3.24 2.09 0.06 84.87 23:20:09 5 7.73 0.00 2.57 1.00 0.05 88.65 23:20:09 6 8.24 0.00 3.29 2.26 0.06 86.15 23:20:09 7 10.38 0.00 3.22 2.36 0.06 83.99 Average: all 5.11 0.00 1.66 0.85 0.04 92.34 Average: 0 4.45 0.00 1.56 0.71 0.03 93.25 Average: 1 4.83 0.00 1.83 0.83 0.04 92.47 Average: 2 5.39 0.00 1.69 0.69 0.04 92.18 Average: 3 6.02 0.00 1.76 0.54 0.04 91.65 Average: 4 5.81 0.00 1.72 1.19 0.04 91.24 Average: 5 4.21 0.00 1.33 0.43 0.03 94.00 Average: 6 4.94 0.00 1.74 1.09 0.04 92.20 Average: 7 5.26 0.00 1.68 1.29 0.03 91.74