---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-2828 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: 5599.94 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 17G 139G 11% / 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 770 19405 4 11916 30854 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:6a:91:69 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.12/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84474sec preferred_lft 84474sec inet6 fe80::f816:3eff:fe6a:9169/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:8e:51:d9:9e:87 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::d08e:51ff:fed9:9e87/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-2828) 04/15/26 _x86_64_ (8 CPU) 00:23:19 LINUX RESTART (8 CPU) 00:30:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:01 8.80 0.05 8.34 0.41 1.97 2651.06 362.09 00:50:30 54.00 2.33 50.42 1.25 348.19 21675.38 6099.35 Average: 32.07 1.22 30.01 0.84 180.27 12448.09 3316.63 00:30:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:01 23668152 29017564 3286396 10.00 160928 5366668 3385676 9.98 1262680 7408536 726324 00:50:30 20154832 31669880 604152 1.84 234400 11206960 1414148 4.17 3076400 8820108 144 Average: 21911492 30343722 1945274 5.92 197664 8286814 2399912 7.08 2169540 8114322 363234 00:30:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:01 lo 1.81 1.81 0.17 0.17 0.00 0.00 0.00 0.00 00:40:01 ens3 56.21 47.11 237.86 12.97 0.00 0.00 0.00 0.00 00:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:30 lo 206.08 206.08 201.97 201.97 0.00 0.00 0.00 0.00 00:50:30 ens3 119.56 103.52 417.98 1237.91 0.00 0.00 0.00 0.00 00:50:30 docker0 69.94 71.02 1226.96 152.43 0.00 0.00 0.00 0.00 00:50:30 veth8b08f87 64.39 64.58 1227.50 7.97 0.00 0.00 0.00 0.10 Average: lo 107.01 107.01 104.09 104.09 0.00 0.00 0.00 0.00 Average: ens3 88.84 76.16 330.62 643.78 0.00 0.00 0.00 0.00 Average: docker0 36.02 36.57 631.85 78.49 0.00 0.00 0.00 0.00 Average: veth8b08f87 33.16 33.26 632.13 4.10 0.00 0.00 0.00 0.05 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-2828) 04/15/26 _x86_64_ (8 CPU) 00:23:19 LINUX RESTART (8 CPU) 00:30:09 CPU %user %nice %system %iowait %steal %idle 00:40:01 all 33.65 0.00 1.25 0.02 0.07 65.00 00:40:01 0 37.06 0.00 1.25 0.02 0.07 61.60 00:40:01 1 36.55 0.00 1.28 0.02 0.07 62.09 00:40:01 2 32.03 0.00 1.15 0.03 0.07 66.73 00:40:01 3 30.11 0.00 1.02 0.06 0.07 68.75 00:40:01 4 39.32 0.00 1.36 0.02 0.07 59.23 00:40:01 5 35.54 0.00 1.56 0.01 0.07 62.83 00:40:01 6 30.49 0.00 1.17 0.03 0.06 68.24 00:40:01 7 28.14 0.00 1.24 0.02 0.06 70.54 00:50:30 all 14.57 0.00 1.25 0.33 0.06 83.80 00:50:30 0 11.61 0.00 1.08 0.43 0.05 86.82 00:50:30 1 17.37 0.00 1.27 0.11 0.06 81.18 00:50:30 2 14.51 0.00 1.82 0.74 0.06 82.88 00:50:30 3 17.90 0.00 1.63 0.38 0.06 80.03 00:50:30 4 16.46 0.00 1.40 0.13 0.06 81.94 00:50:30 5 15.11 0.00 1.20 0.19 0.05 83.45 00:50:30 6 11.75 0.00 0.68 0.42 0.06 87.09 00:50:30 7 11.89 0.00 0.88 0.21 0.05 86.97 Average: all 23.82 0.00 1.25 0.18 0.06 74.68 Average: 0 23.95 0.00 1.16 0.23 0.06 74.59 Average: 1 26.67 0.00 1.27 0.07 0.07 71.92 Average: 2 22.99 0.00 1.49 0.39 0.06 75.06 Average: 3 23.83 0.00 1.34 0.22 0.06 74.55 Average: 4 27.54 0.00 1.38 0.08 0.07 70.93 Average: 5 25.02 0.00 1.37 0.10 0.06 73.45 Average: 6 20.83 0.00 0.92 0.23 0.06 77.96 Average: 7 19.77 0.00 1.05 0.12 0.06 79.00