---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-4438 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 17G 138G 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 766 19327 4 11998 30858 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:14:20:b0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.129/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84546sec preferred_lft 84546sec inet6 fe80::f816:3eff:fe14:20b0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4a:f0:2e:40:29:77 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::48f0:2eff:fe40:2977/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-4438) 04/19/26 _x86_64_ (8 CPU) 00:36:11 LINUX RESTART (8 CPU) 00:40:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 29.59 0.28 13.28 16.03 9.90 5109.86 519396.62 01:00:17 60.75 2.32 57.34 1.09 355.62 23103.56 5816.99 Average: 45.55 1.33 35.84 8.38 186.93 14323.66 256414.80 00:40:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 23947468 28289420 4017312 12.22 146940 4414040 4144188 12.22 857008 7596872 112 01:00:17 20043200 31638768 635172 1.93 230496 11292368 1438724 4.24 3073840 8929824 348 Average: 21995334 29964094 2326242 7.08 188718 7853204 2791456 8.23 1965424 8263348 230 00:40:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 5.77 5.77 0.56 0.56 0.00 0.00 0.00 0.00 00:50:01 ens3 51.03 37.03 169.60 11.35 0.00 0.00 0.00 0.00 00:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:00:17 lo 4272.92 4272.92 4082.05 4082.05 0.00 0.00 0.00 0.00 01:00:17 ens3 73.20 59.42 594.79 108.38 0.00 0.00 0.00 0.00 01:00:17 docker0 13.92 14.29 96.67 148.62 0.00 0.00 0.00 0.00 01:00:17 veth2d36a50 8.17 7.21 96.44 1.20 0.00 0.00 0.00 0.01 Average: lo 2190.80 2190.80 2090.51 2090.51 0.00 0.00 0.00 0.00 Average: ens3 62.38 48.50 387.32 61.04 0.00 0.00 0.00 0.00 Average: docker0 7.13 7.32 49.50 76.10 0.00 0.00 0.00 0.00 Average: veth2d36a50 4.19 3.69 49.38 0.62 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-4438) 04/19/26 _x86_64_ (8 CPU) 00:36:11 LINUX RESTART (8 CPU) 00:40:14 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 38.92 0.00 1.33 0.06 0.07 59.62 00:50:01 0 42.28 0.00 1.47 0.05 0.07 56.13 00:50:01 1 45.01 0.00 1.46 0.01 0.07 53.44 00:50:01 2 38.99 0.00 1.50 0.08 0.08 59.36 00:50:01 3 34.42 0.00 1.23 0.04 0.07 64.23 00:50:01 4 42.70 0.00 1.49 0.08 0.07 55.65 00:50:01 5 39.69 0.00 1.28 0.07 0.07 58.89 00:50:01 6 36.17 0.00 1.13 0.11 0.06 62.52 00:50:01 7 32.11 0.00 1.10 0.03 0.07 66.69 01:00:17 all 19.36 0.00 2.23 0.44 0.06 77.90 01:00:17 0 23.42 0.00 3.42 0.13 0.06 72.97 01:00:17 1 18.46 0.00 2.24 0.49 0.06 78.75 01:00:17 2 24.30 0.00 3.24 0.44 0.06 71.96 01:00:17 3 18.95 0.00 1.52 0.28 0.05 79.20 01:00:17 4 14.72 0.00 1.29 0.57 0.06 83.36 01:00:17 5 18.19 0.00 1.58 0.63 0.05 79.54 01:00:17 6 19.05 0.00 2.20 0.64 0.05 78.06 01:00:17 7 17.85 0.00 2.40 0.35 0.06 79.35 Average: all 28.92 0.00 1.79 0.26 0.06 68.97 Average: 0 32.64 0.00 2.47 0.09 0.07 64.73 Average: 1 31.43 0.00 1.86 0.25 0.07 66.40 Average: 2 31.49 0.00 2.39 0.26 0.07 65.79 Average: 3 26.51 0.00 1.38 0.17 0.06 71.89 Average: 4 28.39 0.00 1.39 0.33 0.06 69.83 Average: 5 28.68 0.00 1.44 0.36 0.06 69.47 Average: 6 27.42 0.00 1.68 0.38 0.06 70.46 Average: 7 24.83 0.00 1.76 0.19 0.06 73.15