---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-543 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 25G 131G 16% / 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 877 12358 4 18856 30747 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:c5:7c:6b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.174/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83909sec preferred_lft 83909sec inet6 fe80::f816:3eff:fec5:7c6b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:91:2b:5c:d0:b7 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::7c91:2bff:fe5c:d0b7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-543) 02/28/26 _x86_64_ (8 CPU) 12:16:27 LINUX RESTART (8 CPU) 12:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:30:01 5.34 0.42 4.54 0.38 405.13 620.98 25379.39 12:40:14 12.87 1.41 10.77 0.69 93.47 1064.82 208.15 12:50:04 293.81 2.35 283.85 7.61 178.76 58160.18 246669.18 Average: 102.30 1.39 98.06 2.85 225.11 19602.25 89243.29 12:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:30:01 29875996 31771804 610720 1.86 64840 2167380 1515144 4.47 309644 2390372 12 12:40:14 29049016 31470796 878476 2.67 101064 2628428 1651024 4.87 386556 3075688 234204 12:50:04 15162624 30889756 1358508 4.13 376868 14996864 1758688 5.19 5751640 10818120 84 Average: 24695879 31377452 949235 2.89 180924 6597557 1641619 4.84 2149280 5428060 78100 12:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:30:01 lo 0.15 0.15 0.02 0.02 0.00 0.00 0.00 0.00 12:30:01 ens3 9.10 4.64 210.33 0.62 0.00 0.00 0.00 0.00 12:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:14 lo 0.22 0.22 0.02 0.02 0.00 0.00 0.00 0.00 12:40:14 ens3 23.31 15.11 162.99 4.50 0.00 0.00 0.00 0.00 12:40:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:04 lo 0.38 0.38 0.08 0.08 0.00 0.00 0.00 0.00 12:50:04 ens3 119.62 73.98 2392.29 12.53 0.00 0.00 0.00 0.00 12:50:04 docker0 3.14 4.19 0.17 89.24 0.00 0.00 0.00 0.00 Average: lo 0.25 0.25 0.04 0.04 0.00 0.00 0.00 0.00 Average: ens3 50.10 30.89 908.31 5.84 0.00 0.00 0.00 0.00 Average: docker0 1.03 1.37 0.06 29.20 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-543) 02/28/26 _x86_64_ (8 CPU) 12:16:27 LINUX RESTART (8 CPU) 12:20:01 CPU %user %nice %system %iowait %steal %idle 12:30:01 all 0.22 0.00 0.07 0.06 0.01 99.64 12:30:01 0 0.17 0.00 0.09 0.03 0.02 99.69 12:30:01 1 0.13 0.00 0.06 0.04 0.01 99.76 12:30:01 2 0.28 0.00 0.10 0.01 0.02 99.59 12:30:01 3 0.26 0.00 0.05 0.25 0.01 99.43 12:30:01 4 0.24 0.00 0.07 0.04 0.01 99.64 12:30:01 5 0.30 0.00 0.09 0.02 0.01 99.59 12:30:01 6 0.21 0.00 0.09 0.05 0.00 99.65 12:30:01 7 0.17 0.00 0.04 0.01 0.00 99.78 12:40:14 all 1.03 0.00 0.11 0.56 0.01 98.29 12:40:14 0 1.06 0.00 0.09 0.63 0.00 98.20 12:40:14 1 1.58 0.00 0.18 2.97 0.01 95.25 12:40:14 2 0.38 0.00 0.06 0.02 0.03 99.51 12:40:14 3 0.35 0.00 0.04 0.03 0.01 99.58 12:40:14 4 0.24 0.00 0.04 0.10 0.01 99.60 12:40:14 5 2.79 0.00 0.27 0.34 0.01 96.59 12:40:14 6 1.13 0.00 0.10 0.22 0.00 98.55 12:40:14 7 0.73 0.00 0.09 0.15 0.00 99.02 12:50:04 all 10.65 0.00 5.34 1.88 0.07 82.05 12:50:04 0 8.16 0.00 4.79 1.79 0.06 85.19 12:50:04 1 11.40 0.00 5.70 2.66 0.08 80.16 12:50:04 2 11.84 0.00 5.66 1.80 0.07 80.63 12:50:04 3 10.72 0.00 5.38 1.43 0.08 82.39 12:50:04 4 11.64 0.00 5.81 2.47 0.08 80.00 12:50:04 5 10.32 0.00 5.35 2.40 0.07 81.85 12:50:04 6 11.17 0.00 5.16 1.54 0.07 82.06 12:50:04 7 9.99 0.00 4.90 0.98 0.06 84.07 Average: all 3.89 0.00 1.80 0.82 0.03 93.46 Average: 0 3.08 0.00 1.62 0.81 0.03 94.47 Average: 1 4.28 0.00 1.93 1.89 0.03 91.86 Average: 2 4.07 0.00 1.90 0.59 0.04 93.40 Average: 3 3.68 0.00 1.78 0.56 0.03 93.95 Average: 4 3.94 0.00 1.93 0.85 0.03 93.25 Average: 5 4.41 0.00 1.86 0.90 0.03 92.80 Average: 6 4.08 0.00 1.74 0.59 0.03 93.56 Average: 7 3.55 0.00 1.64 0.37 0.02 94.42