---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3260 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 763 20278 4 11050 30861 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:09:58:7a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.78/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84557sec preferred_lft 84557sec inet6 fe80::f816:3eff:fe09:587a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 22:a4:51:1e:47:73 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-3260) 03/19/26 _x86_64_ (8 CPU) 14:57:36 LINUX RESTART (8 CPU) 15:00:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:10:07 360.73 1.30 352.48 6.95 31.29 20830.65 10734.37 15:20:01 33.49 0.26 10.38 22.85 3.76 1050.87 495267.66 Average: 198.40 0.78 182.78 14.84 17.63 11018.64 251093.21 15:00:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:10:07 19325748 27710664 4541660 13.82 458348 7502228 6716788 19.81 1417904 10966064 21816 15:20:01 17971504 26616916 5629672 17.13 470048 7722936 8651280 25.51 1507756 12176856 6164 Average: 18648626 27163790 5085666 15.48 464198 7612582 7684034 22.66 1462830 11571460 13990 15:00:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:10:07 lo 1.62 1.62 0.97 0.97 0.00 0.00 0.00 0.00 15:10:07 ens3 260.43 158.75 1232.83 59.76 0.00 0.00 0.00 0.00 15:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:01 lo 5.85 5.85 0.98 0.98 0.00 0.00 0.00 0.00 15:20:01 ens3 143.78 79.06 153.00 44.85 0.00 0.00 0.00 0.00 15:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3.72 3.72 0.98 0.98 0.00 0.00 0.00 0.00 Average: ens3 202.56 119.22 697.17 52.36 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-3260) 03/19/26 _x86_64_ (8 CPU) 14:57:36 LINUX RESTART (8 CPU) 15:00:04 CPU %user %nice %system %iowait %steal %idle 15:10:07 all 56.33 0.00 3.59 4.39 0.17 35.51 15:10:07 0 57.57 0.00 3.40 3.11 0.17 35.75 15:10:07 1 55.03 0.00 3.46 4.56 0.17 36.78 15:10:07 2 55.35 0.00 3.93 4.30 0.18 36.24 15:10:07 3 58.13 0.00 3.66 5.83 0.18 32.21 15:10:07 4 56.20 0.00 3.70 4.88 0.18 35.04 15:10:07 5 58.16 0.00 3.48 3.98 0.17 34.20 15:10:07 6 57.59 0.00 3.47 4.61 0.17 34.16 15:10:07 7 52.61 0.00 3.63 3.84 0.17 39.75 15:20:01 all 93.71 0.00 2.88 0.00 0.18 3.23 15:20:01 0 93.20 0.00 2.86 0.01 0.18 3.77 15:20:01 1 94.64 0.00 2.88 0.00 0.17 2.30 15:20:01 2 95.53 0.00 2.79 0.01 0.18 1.49 15:20:01 3 92.79 0.00 2.97 0.00 0.19 4.05 15:20:01 4 92.82 0.00 2.88 0.00 0.17 4.12 15:20:01 5 94.18 0.00 2.75 0.00 0.18 2.88 15:20:01 6 92.57 0.00 2.96 0.01 0.18 4.29 15:20:01 7 93.98 0.00 2.91 0.00 0.19 2.92 Average: all 74.93 0.00 3.24 2.21 0.18 19.45 Average: 0 75.28 0.00 3.13 1.57 0.17 19.85 Average: 1 74.74 0.00 3.17 2.29 0.17 19.62 Average: 2 75.34 0.00 3.36 2.17 0.18 18.95 Average: 3 75.37 0.00 3.32 2.93 0.18 18.20 Average: 4 74.43 0.00 3.29 2.45 0.17 19.65 Average: 5 76.09 0.00 3.12 2.00 0.18 18.61 Average: 6 74.99 0.00 3.22 2.32 0.18 19.29 Average: 7 73.20 0.00 3.27 1.93 0.18 21.42