---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-22370 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 733 19066 4 12292 30891 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:5c:84:83 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.154/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84504sec preferred_lft 84504sec inet6 fe80::f816:3eff:fe5c:8483/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:55:82:67:68:e3 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::c055:82ff:fe67:68e3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-22370) 06/02/26 _x86_64_ (8 CPU) 00:00:31 LINUX RESTART (8 CPU) 00:10:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:20:01 23.64 0.50 22.59 0.55 17.84 15551.58 950.76 00:30:22 41.28 1.97 38.16 1.16 305.42 10234.80 5569.19 Average: 32.68 1.25 30.57 0.86 165.27 12825.91 3318.42 00:10:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:20:01 18918300 27643840 4646408 14.14 188904 8591824 4820724 14.22 2078056 11194888 332 00:30:22 19712064 31617924 652740 1.99 235692 11579232 1303044 3.84 3113380 9195360 108 Average: 19315182 29630882 2649574 8.06 212298 10085528 3061884 9.03 2595718 10195124 220 00:10:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:20:01 lo 197.54 197.54 194.39 194.39 0.00 0.00 0.00 0.00 00:20:01 ens3 61.34 52.75 325.83 13.90 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 00:30:22 lo 15.34 15.34 1.74 1.74 0.00 0.00 0.00 0.00 00:30:22 ens3 175.10 188.37 323.89 2660.59 0.00 0.00 0.00 0.00 00:30:22 docker0 90.16 87.51 1330.24 156.31 0.00 0.00 0.00 0.00 Average: lo 104.13 104.13 95.63 95.63 0.00 0.00 0.00 0.00 Average: ens3 119.66 122.28 324.84 1370.74 0.00 0.00 0.00 0.00 Average: docker0 46.22 44.86 681.95 80.13 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-22370) 06/02/26 _x86_64_ (8 CPU) 00:00:31 LINUX RESTART (8 CPU) 00:10:10 CPU %user %nice %system %iowait %steal %idle 00:20:01 all 28.18 0.00 1.29 0.09 0.06 70.37 00:20:01 0 26.57 0.00 1.22 0.10 0.06 72.05 00:20:01 1 24.75 0.00 1.04 0.06 0.06 74.09 00:20:01 2 28.94 0.00 1.63 0.07 0.06 69.30 00:20:01 3 25.90 0.00 1.29 0.11 0.06 72.64 00:20:01 4 25.97 0.00 1.23 0.25 0.06 72.49 00:20:01 5 30.57 0.00 1.19 0.03 0.06 68.15 00:20:01 6 35.95 0.00 1.50 0.12 0.07 62.36 00:20:01 7 26.76 0.00 1.25 0.02 0.06 71.91 00:30:22 all 10.27 0.00 1.05 0.12 0.04 88.51 00:30:22 0 5.25 0.00 0.74 0.25 0.03 93.73 00:30:22 1 15.20 0.00 1.69 0.13 0.04 82.93 00:30:22 2 16.11 0.00 1.80 0.12 0.05 81.92 00:30:22 3 12.86 0.00 1.42 0.10 0.04 85.58 00:30:22 4 7.96 0.00 0.86 0.10 0.03 91.06 00:30:22 5 6.25 0.00 0.53 0.11 0.04 93.08 00:30:22 6 9.85 0.00 0.58 0.07 0.03 89.46 00:30:22 7 8.65 0.00 0.82 0.11 0.04 90.39 Average: all 18.99 0.00 1.17 0.11 0.05 79.68 Average: 0 15.64 0.00 0.98 0.17 0.05 83.16 Average: 1 19.85 0.00 1.37 0.09 0.05 78.63 Average: 2 22.35 0.00 1.72 0.10 0.05 75.78 Average: 3 19.21 0.00 1.36 0.11 0.05 79.28 Average: 4 16.72 0.00 1.04 0.17 0.04 82.02 Average: 5 18.09 0.00 0.85 0.07 0.05 80.94 Average: 6 22.55 0.00 1.03 0.10 0.05 76.27 Average: 7 17.46 0.00 1.03 0.07 0.05 81.40