---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-38926 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 726 19054 4 12310 30897 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:e5:00:7c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.88/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84347sec preferred_lft 84347sec inet6 fe80::f816:3eff:fee5:7c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:47:28:96:b5:bd 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::3c47:28ff:fe96:b5bd/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-38926) 07/26/26 _x86_64_ (8 CPU) 00:40:51 LINUX RESTART (8 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:18 11.04 0.05 10.61 0.37 1.82 4254.97 101.53 01:10:07 43.21 2.27 39.80 1.14 330.22 22334.37 3142.12 Average: 26.74 1.13 24.86 0.75 162.15 13081.48 1585.97 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:18 22652896 29183724 3116420 9.48 162288 6506196 3129072 9.23 1695432 7949852 1274016 01:10:07 19776312 31687732 586120 1.78 227900 11597560 1426020 4.21 3096020 9176332 660 Average: 21214604 30435728 1851270 5.63 195094 9051878 2277546 6.72 2395726 8563092 637338 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:18 lo 1.70 1.70 0.15 0.15 0.00 0.00 0.00 0.00 01:00:18 ens3 55.79 48.29 249.94 12.55 0.00 0.00 0.00 0.00 01:00:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:10:07 lo 198.86 198.86 195.37 195.37 0.00 0.00 0.00 0.00 01:10:07 ens3 122.34 106.12 346.57 1375.85 0.00 0.00 0.00 0.00 01:10:07 docker0 75.02 76.99 1366.36 8.54 0.00 0.00 0.00 0.00 01:10:07 veth75f029d 75.01 77.00 1367.39 8.54 0.00 0.00 0.00 0.11 Average: lo 97.96 97.96 95.46 95.46 0.00 0.00 0.00 0.00 Average: ens3 88.28 76.53 297.12 678.13 0.00 0.00 0.00 0.00 Average: docker0 36.62 37.59 667.07 4.17 0.00 0.00 0.00 0.00 Average: veth75f029d 36.62 37.59 667.57 4.17 0.00 0.00 0.00 0.05 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-38926) 07/26/26 _x86_64_ (8 CPU) 00:40:51 LINUX RESTART (8 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:18 all 34.36 0.00 1.36 0.04 0.10 64.15 01:00:18 0 30.56 0.00 1.43 0.03 0.09 67.89 01:00:18 1 37.46 0.00 1.42 0.02 0.10 61.00 01:00:18 2 35.06 0.00 1.54 0.11 0.10 63.18 01:00:18 3 35.41 0.00 1.31 0.02 0.10 63.15 01:00:18 4 36.20 0.00 1.27 0.03 0.10 62.40 01:00:18 5 30.73 0.00 1.49 0.09 0.09 67.61 01:00:18 6 35.94 0.00 1.20 0.01 0.10 62.75 01:00:18 7 33.50 0.00 1.20 0.00 0.09 65.20 01:10:07 all 15.35 0.00 1.20 0.36 0.06 83.03 01:10:07 0 12.05 0.00 0.77 0.07 0.05 87.06 01:10:07 1 17.35 0.00 1.69 0.28 0.07 80.61 01:10:07 2 22.26 0.00 2.04 0.60 0.07 75.03 01:10:07 3 17.02 0.00 1.23 0.39 0.06 81.29 01:10:07 4 14.26 0.00 0.92 0.50 0.05 84.26 01:10:07 5 14.93 0.00 1.26 0.75 0.05 83.01 01:10:07 6 10.67 0.00 0.71 0.09 0.05 88.48 01:10:07 7 14.30 0.00 1.00 0.17 0.05 84.47 Average: all 25.07 0.00 1.28 0.19 0.08 73.37 Average: 0 21.51 0.00 1.11 0.05 0.07 77.26 Average: 1 27.64 0.00 1.55 0.15 0.08 70.58 Average: 2 28.81 0.00 1.79 0.35 0.09 68.97 Average: 3 26.43 0.00 1.27 0.20 0.08 72.01 Average: 4 25.49 0.00 1.10 0.26 0.08 73.08 Average: 5 23.02 0.00 1.38 0.41 0.07 75.12 Average: 6 23.59 0.00 0.96 0.05 0.07 75.33 Average: 7 24.12 0.00 1.10 0.08 0.07 74.61