---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-2408 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 23G 133G 15% / 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 860 14455 4 16776 30764 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:b1:22:cf brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.239/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84944sec preferred_lft 84944sec inet6 fe80::f816:3eff:feb1:22cf/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1e:41:51:1b:48:81 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::1c41:51ff:fe1b:4881/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-2408) 03/05/26 _x86_64_ (8 CPU) 10:17:26 LINUX RESTART (8 CPU) 10:20:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:30:08 40.63 1.25 37.31 2.07 71.74 22256.65 32799.42 10:40:04 412.99 0.46 402.76 9.77 6.09 39166.57 38600.98 Average: 227.81 0.85 221.02 5.94 38.74 30756.97 35715.76 10:20:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:30:08 22095248 29700348 2593284 7.89 158596 7555048 2634088 7.77 2412568 7731800 31300 10:40:04 12530560 29611508 2594628 7.90 570468 15680604 2576504 7.60 4571256 14108968 4816 Average: 17312904 29655928 2593956 7.89 364532 11617826 2605296 7.68 3491912 10920384 18058 10:20:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:30:08 lo 5.25 5.25 2.06 2.06 0.00 0.00 0.00 0.00 10:30:08 ens3 84.58 66.07 1103.51 12.62 0.00 0.00 0.00 0.00 10:30:08 docker0 2.52 3.03 0.18 71.43 0.00 0.00 0.00 0.00 10:30:08 vethf015b4f 1.21 1.52 0.12 31.11 0.00 0.00 0.00 0.00 10:40:04 lo 1.11 1.11 0.21 0.21 0.00 0.00 0.00 0.00 10:40:04 ens3 151.34 110.70 2072.79 16.24 0.00 0.00 0.00 0.00 10:40:04 docker0 17.29 26.79 2.77 267.96 0.00 0.00 0.00 0.00 Average: lo 3.17 3.17 1.13 1.13 0.00 0.00 0.00 0.00 Average: ens3 118.14 88.50 1590.75 14.44 0.00 0.00 0.00 0.00 Average: docker0 9.95 14.97 1.48 170.22 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-2408) 03/05/26 _x86_64_ (8 CPU) 10:17:26 LINUX RESTART (8 CPU) 10:20:17 CPU %user %nice %system %iowait %steal %idle 10:30:08 all 33.09 0.00 1.50 0.21 0.07 65.14 10:30:08 0 37.38 0.00 1.58 0.13 0.07 60.84 10:30:08 1 34.43 0.00 1.72 0.47 0.07 63.32 10:30:08 2 34.40 0.00 1.52 0.35 0.07 63.66 10:30:08 3 31.28 0.00 1.42 0.19 0.06 67.05 10:30:08 4 36.36 0.00 1.61 0.14 0.07 61.81 10:30:08 5 34.27 0.00 1.38 0.06 0.07 64.22 10:30:08 6 33.28 0.00 1.46 0.23 0.07 64.96 10:30:08 7 23.32 0.00 1.30 0.14 0.06 75.19 10:40:04 all 14.94 0.00 2.98 0.37 0.06 81.66 10:40:04 0 15.14 0.00 3.26 0.30 0.06 81.24 10:40:04 1 23.69 0.00 3.45 0.50 0.07 72.29 10:40:04 2 12.26 0.00 3.45 0.41 0.06 83.83 10:40:04 3 14.28 0.00 3.25 0.61 0.06 81.80 10:40:04 4 20.49 0.00 2.68 0.29 0.06 76.47 10:40:04 5 15.29 0.00 3.23 0.34 0.06 81.09 10:40:04 6 7.72 0.00 1.84 0.23 0.04 90.17 10:40:04 7 10.65 0.00 2.69 0.24 0.06 86.35 Average: all 23.97 0.00 2.24 0.29 0.06 73.43 Average: 0 26.22 0.00 2.42 0.22 0.06 71.08 Average: 1 29.04 0.00 2.59 0.48 0.07 67.82 Average: 2 23.28 0.00 2.49 0.38 0.06 73.79 Average: 3 22.75 0.00 2.34 0.40 0.06 74.45 Average: 4 28.40 0.00 2.15 0.22 0.07 69.17 Average: 5 24.74 0.00 2.31 0.20 0.06 72.69 Average: 6 20.42 0.00 1.65 0.23 0.05 77.65 Average: 7 16.97 0.00 2.00 0.19 0.06 80.78