---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-2623 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 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 752 19127 4 12212 30872 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:9c:c1:8b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.48/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84524sec preferred_lft 84524sec inet6 fe80::f816:3eff:fe9c:c18b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:29:50:c8:63:83 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::3c29:50ff:fec8:6383/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-2623) 04/14/26 _x86_64_ (8 CPU) 00:00:30 LINUX RESTART (8 CPU) 00:10:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:20:01 23.33 0.50 22.17 0.66 17.78 15425.90 1622.31 00:30:08 47.15 2.24 43.71 1.20 357.73 10436.92 5106.80 Average: 35.39 1.38 33.07 0.93 189.91 12899.85 3386.59 00:10:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:20:01 19071360 27703724 4586736 13.96 188176 8506216 4820680 14.22 2076524 11068728 452 00:30:08 19599884 31424564 847488 2.58 234776 11505484 1532888 4.52 3124788 9337684 148 Average: 19335622 29564144 2717112 8.27 211476 10005850 3176784 9.37 2600656 10203206 300 00:10:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:20:01 lo 230.88 230.88 225.90 225.90 0.00 0.00 0.00 0.00 00:20:01 ens3 57.57 50.58 323.87 13.14 0.00 0.00 0.00 0.00 00:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:30:08 lo 15.64 15.64 3.90 3.90 0.00 0.00 0.00 0.00 00:30:08 ens3 180.74 196.37 332.59 2721.58 0.00 0.00 0.00 0.00 00:30:08 docker0 90.38 83.31 1359.84 159.66 0.00 0.00 0.00 0.00 Average: lo 121.90 121.90 113.49 113.49 0.00 0.00 0.00 0.00 Average: ens3 119.93 124.40 328.28 1384.50 0.00 0.00 0.00 0.00 Average: docker0 45.76 42.18 688.52 80.84 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-2623) 04/14/26 _x86_64_ (8 CPU) 00:00:30 LINUX RESTART (8 CPU) 00:10:08 CPU %user %nice %system %iowait %steal %idle 00:20:01 all 27.49 0.00 1.20 0.63 0.06 70.62 00:20:01 0 23.17 0.00 1.09 1.58 0.06 74.10 00:20:01 1 30.49 0.00 1.36 0.48 0.06 67.61 00:20:01 2 30.25 0.00 1.19 0.33 0.06 68.17 00:20:01 3 26.39 0.00 1.21 0.23 0.06 72.11 00:20:01 4 27.12 0.00 0.98 0.17 0.07 71.66 00:20:01 5 26.83 0.00 1.36 0.81 0.06 70.93 00:20:01 6 27.26 0.00 1.33 0.15 0.06 71.20 00:20:01 7 28.41 0.00 1.11 1.26 0.06 69.15 00:30:08 all 11.39 0.00 1.05 0.25 0.04 87.27 00:30:08 0 6.93 0.00 0.61 0.05 0.04 92.37 00:30:08 1 14.04 0.00 1.43 0.03 0.05 84.44 00:30:08 2 13.14 0.00 1.59 0.33 0.04 84.89 00:30:08 3 13.41 0.00 1.41 0.14 0.05 84.98 00:30:08 4 10.37 0.00 0.81 0.03 0.05 88.75 00:30:08 5 11.71 0.00 1.03 0.76 0.04 86.46 00:30:08 6 6.12 0.00 0.64 0.27 0.04 92.93 00:30:08 7 15.39 0.00 0.89 0.38 0.04 83.29 Average: all 19.33 0.00 1.13 0.44 0.05 79.05 Average: 0 14.94 0.00 0.85 0.81 0.05 83.36 Average: 1 22.16 0.00 1.39 0.26 0.06 76.13 Average: 2 21.58 0.00 1.39 0.33 0.05 76.64 Average: 3 19.81 0.00 1.31 0.18 0.06 78.63 Average: 4 18.63 0.00 0.89 0.10 0.06 80.32 Average: 5 19.17 0.00 1.19 0.79 0.05 78.80 Average: 6 16.55 0.00 0.98 0.21 0.05 82.21 Average: 7 21.81 0.00 1.00 0.82 0.05 76.31