---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-643 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 24G 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 867 12830 4 18393 30756 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:bf:89:16 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.27/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84066sec preferred_lft 84066sec inet6 fe80::f816:3eff:febf:8916/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 72:5d:f4:89:81:f5 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::705d:f4ff:fe89:81f5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-643) 03/30/26 _x86_64_ (8 CPU) 12:16:28 LINUX RESTART (8 CPU) 12:20:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:30:01 1.71 0.04 1.65 0.01 1.62 20.78 221.18 12:40:03 29.35 2.83 25.70 0.82 221.32 1110.86 813.00 12:50:00 305.86 13.26 284.68 7.93 195.47 58410.74 314303.12 Average: 111.91 5.36 103.64 2.91 139.52 19764.84 104660.08 12:20:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:30:01 30169764 31791788 596384 1.81 60236 1900772 1500540 4.42 182192 2226940 8 12:40:03 29495956 31724788 627196 1.91 97676 2439808 1739280 5.13 293708 2761192 324384 12:50:00 16504984 30962248 1287352 3.92 395356 13742252 1788372 5.27 7789804 7474204 211836 Average: 25390235 31492941 836977 2.55 184423 6027611 1676064 4.94 2755235 4154112 178743 12:20:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:30:01 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 12:30:01 ens3 0.34 0.23 0.14 0.25 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 12:40:03 lo 0.38 0.38 0.07 0.07 0.00 0.00 0.00 0.00 12:40:03 ens3 32.22 20.61 223.18 7.11 0.00 0.00 0.00 0.00 12:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:00 lo 0.37 0.37 0.07 0.07 0.00 0.00 0.00 0.00 12:50:00 ens3 177.39 120.92 2482.16 2319.37 0.00 0.00 0.00 0.00 12:50:00 docker0 2.88 3.51 0.15 88.25 0.00 0.00 0.00 0.00 Average: lo 0.28 0.28 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 69.77 47.11 898.58 772.24 0.00 0.00 0.00 0.00 Average: docker0 0.95 1.17 0.05 29.29 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-643) 03/30/26 _x86_64_ (8 CPU) 12:16:28 LINUX RESTART (8 CPU) 12:20:02 CPU %user %nice %system %iowait %steal %idle 12:30:01 all 0.03 0.00 0.02 0.02 0.01 99.92 12:30:01 0 0.12 0.00 0.01 0.01 0.01 99.85 12:30:01 1 0.05 0.00 0.04 0.00 0.02 99.88 12:30:01 2 0.03 0.00 0.02 0.00 0.01 99.95 12:30:01 3 0.02 0.00 0.02 0.13 0.01 99.82 12:30:01 4 0.02 0.00 0.00 0.00 0.01 99.96 12:30:01 5 0.01 0.00 0.02 0.04 0.01 99.92 12:30:01 6 0.02 0.00 0.01 0.00 0.00 99.97 12:30:01 7 0.01 0.00 0.01 0.00 0.00 99.98 12:40:03 all 1.20 0.00 0.15 0.17 0.01 98.47 12:40:03 0 0.76 0.00 0.08 0.01 0.01 99.14 12:40:03 1 0.75 0.00 0.18 0.34 0.01 98.72 12:40:03 2 1.78 0.00 0.18 0.08 0.01 97.94 12:40:03 3 0.40 0.00 0.13 0.64 0.01 98.82 12:40:03 4 1.01 0.00 0.08 0.09 0.01 98.81 12:40:03 5 1.46 0.00 0.20 0.04 0.02 98.28 12:40:03 6 0.79 0.00 0.12 0.07 0.00 99.02 12:40:03 7 2.64 0.00 0.23 0.08 0.01 97.04 12:50:00 all 9.94 0.04 5.11 2.08 0.08 82.75 12:50:00 0 10.54 0.08 4.68 1.39 0.07 83.24 12:50:00 1 9.94 0.00 5.61 3.42 0.09 80.94 12:50:00 2 10.69 0.00 5.21 2.46 0.08 81.55 12:50:00 3 9.31 0.02 5.13 1.41 0.08 84.06 12:50:00 4 9.79 0.00 5.33 0.95 0.08 83.85 12:50:00 5 9.92 0.01 4.99 2.76 0.08 82.23 12:50:00 6 9.96 0.00 4.95 1.79 0.08 83.21 12:50:00 7 9.39 0.22 4.95 2.44 0.08 82.91 Average: all 3.69 0.01 1.74 0.75 0.03 93.77 Average: 0 3.78 0.03 1.58 0.46 0.03 94.12 Average: 1 3.54 0.00 1.92 1.24 0.04 93.25 Average: 2 4.13 0.00 1.78 0.84 0.03 93.21 Average: 3 3.21 0.01 1.74 0.72 0.03 94.28 Average: 4 3.57 0.00 1.78 0.34 0.03 94.27 Average: 5 3.76 0.00 1.72 0.93 0.04 93.54 Average: 6 3.55 0.00 1.67 0.61 0.03 94.13 Average: 7 3.98 0.07 1.71 0.83 0.03 93.37