---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-1700 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 804 20050 4 11237 30820 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:aa:47:b9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.83/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84281sec preferred_lft 84281sec inet6 fe80::f816:3eff:feaa:47b9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4a:b7:17:bb:b2:81 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-1700) 03/13/26 _x86_64_ (8 CPU) 13:21:41 LINUX RESTART (8 CPU) 13:30:29 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:40:29 15.84 0.72 14.22 0.90 21.37 4112.79 1062.24 13:50:29 107.51 0.12 104.97 2.42 2.11 7336.39 29676.63 Average: 61.67 0.42 59.59 1.66 11.74 5724.59 15369.43 13:30:29 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:40:29 21229944 25626640 6673980 20.31 172048 4411420 9623364 28.38 785252 10339148 156 13:50:29 21357244 28026660 4255916 12.95 276764 6335736 3606100 10.63 1138920 9582436 253924 Average: 21293594 26826650 5464948 16.63 224406 5373578 6614732 19.51 962086 9960792 127040 13:30:29 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:40:29 lo 7.34 7.34 1.95 1.95 0.00 0.00 0.00 0.00 13:40:29 ens3 166.16 89.07 377.33 35.90 0.00 0.00 0.00 0.00 13:40:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:29 lo 0.84 0.84 0.08 0.08 0.00 0.00 0.00 0.00 13:50:29 ens3 63.42 40.87 348.42 9.66 0.00 0.00 0.00 0.00 13:50:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 4.09 4.09 1.02 1.02 0.00 0.00 0.00 0.00 Average: ens3 114.79 64.97 362.87 22.78 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-1700) 03/13/26 _x86_64_ (8 CPU) 13:21:41 LINUX RESTART (8 CPU) 13:30:29 CPU %user %nice %system %iowait %steal %idle 13:40:29 all 69.41 0.00 2.13 0.09 0.09 28.28 13:40:29 0 68.00 0.00 2.13 0.00 0.09 29.77 13:40:29 1 69.18 0.00 2.15 0.11 0.10 28.46 13:40:29 2 72.86 0.00 2.20 0.04 0.10 24.80 13:40:29 3 68.32 0.00 2.17 0.24 0.09 29.17 13:40:29 4 69.05 0.00 2.05 0.21 0.10 28.60 13:40:29 5 70.32 0.00 2.07 0.02 0.10 27.49 13:40:29 6 68.37 0.00 2.19 0.05 0.09 29.31 13:40:29 7 69.16 0.00 2.08 0.03 0.09 28.64 13:50:29 all 84.36 0.00 2.82 0.19 0.13 12.51 13:50:29 0 84.37 0.00 2.86 0.05 0.12 12.60 13:50:29 1 84.22 0.00 2.89 0.21 0.13 12.55 13:50:29 2 84.04 0.00 2.82 0.23 0.12 12.79 13:50:29 3 84.05 0.00 3.10 0.25 0.12 12.48 13:50:29 4 85.18 0.00 2.69 0.29 0.14 11.70 13:50:29 5 85.68 0.00 2.88 0.12 0.13 11.19 13:50:29 6 84.07 0.00 2.56 0.07 0.13 13.17 13:50:29 7 83.28 0.00 2.72 0.29 0.13 13.58 Average: all 76.88 0.00 2.47 0.14 0.11 20.40 Average: 0 76.18 0.00 2.50 0.03 0.10 21.19 Average: 1 76.71 0.00 2.52 0.16 0.11 20.50 Average: 2 78.46 0.00 2.51 0.13 0.11 18.79 Average: 3 76.17 0.00 2.64 0.25 0.11 20.84 Average: 4 77.11 0.00 2.37 0.25 0.12 20.15 Average: 5 78.00 0.00 2.48 0.07 0.12 19.34 Average: 6 76.22 0.00 2.37 0.06 0.11 21.24 Average: 7 76.22 0.00 2.40 0.16 0.11 21.11