---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-4271 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 18G 138G 12% / 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 775 20162 4 11155 30849 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:4a:5a:32 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 84733sec preferred_lft 84733sec inet6 fe80::f816:3eff:fe4a:5a32/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:fe:e3:3a:c1:af 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 ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-4271) 03/23/26 _x86_64_ (8 CPU) 14:53:51 LINUX RESTART (8 CPU) 15:00:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:10:15 16.50 0.58 14.80 1.12 13.90 4233.67 1361.81 15:20:15 13.40 0.05 10.88 2.48 5.84 3316.20 16655.00 Average: 14.96 0.31 12.85 1.79 9.90 3778.72 8945.21 15:00:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:10:15 16240868 24948872 7296868 22.20 471480 7785448 8986300 26.50 1509264 13900764 10316 15:20:15 16912868 27050284 5190276 15.79 481652 9150492 6028712 17.78 1625540 13068424 607920 Average: 16576868 25999578 6243572 19.00 476566 8467970 7507506 22.14 1567402 13484594 309118 15:00:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:10:15 lo 6.58 6.58 1.84 1.84 0.00 0.00 0.00 0.00 15:10:15 ens3 224.60 126.12 312.82 61.68 0.00 0.00 0.00 0.00 15:10:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:15 lo 1.42 1.42 0.15 0.15 0.00 0.00 0.00 0.00 15:20:15 ens3 87.41 48.41 135.25 23.25 0.00 0.00 0.00 0.00 15:20:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 4.02 4.02 1.01 1.01 0.00 0.00 0.00 0.00 Average: ens3 156.57 87.59 224.77 42.63 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-4271) 03/23/26 _x86_64_ (8 CPU) 14:53:51 LINUX RESTART (8 CPU) 15:00:05 CPU %user %nice %system %iowait %steal %idle 15:10:15 all 82.24 0.00 2.57 0.02 0.14 15.04 15:10:15 0 84.54 0.00 2.50 0.02 0.13 12.81 15:10:15 1 82.87 0.00 2.58 0.01 0.13 14.41 15:10:15 2 83.97 0.00 2.45 0.01 0.15 13.42 15:10:15 3 81.11 0.00 2.52 0.03 0.13 16.21 15:10:15 4 80.16 0.00 2.60 0.00 0.13 17.10 15:10:15 5 82.18 0.00 2.59 0.04 0.13 15.06 15:10:15 6 79.15 0.00 2.68 0.01 0.14 18.01 15:10:15 7 83.90 0.00 2.61 0.00 0.15 13.33 15:20:15 all 95.72 0.00 2.87 0.01 0.13 1.28 15:20:15 0 95.31 0.00 2.97 0.00 0.13 1.59 15:20:15 1 95.74 0.00 2.87 0.00 0.12 1.27 15:20:15 2 95.89 0.00 3.10 0.05 0.14 0.82 15:20:15 3 95.85 0.00 2.72 0.00 0.13 1.30 15:20:15 4 95.71 0.00 2.69 0.00 0.13 1.48 15:20:15 5 95.74 0.00 2.78 0.00 0.13 1.34 15:20:15 6 95.65 0.00 2.90 0.00 0.14 1.31 15:20:15 7 95.83 0.00 2.92 0.00 0.14 1.11 Average: all 88.92 0.00 2.72 0.01 0.13 8.21 Average: 0 89.88 0.00 2.73 0.01 0.13 7.24 Average: 1 89.26 0.00 2.72 0.00 0.13 7.89 Average: 2 89.88 0.00 2.77 0.03 0.14 7.17 Average: 3 88.42 0.00 2.62 0.02 0.13 8.82 Average: 4 87.88 0.00 2.64 0.00 0.13 9.35 Average: 5 88.91 0.00 2.68 0.02 0.13 8.25 Average: 6 87.34 0.00 2.79 0.01 0.14 9.72 Average: 7 89.82 0.00 2.77 0.00 0.14 7.27