---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3033 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 792 20172 4 11127 30832 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:ba:ae:1a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.167/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84325sec preferred_lft 84325sec inet6 fe80::f816:3eff:feba:ae1a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ba:4e:cb:0b:d0:05 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-3033) 03/19/26 _x86_64_ (8 CPU) 09:09:42 LINUX RESTART (8 CPU) 09:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:20:16 69.05 12.21 54.82 2.02 1554.97 11173.49 2402.12 09:30:16 13.95 0.66 12.53 0.76 15.36 3844.35 1241.21 09:40:16 264.86 0.41 261.37 3.08 4.17 12634.73 93925.52 Average: 115.53 4.50 109.08 1.95 534.04 9235.00 32253.79 09:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:20:16 25834352 29025948 3282700 9.99 157776 3276948 5293768 15.61 526108 6071032 8252 09:30:16 22175000 26472400 5828512 17.74 172104 4311916 8817984 26.00 684544 9498480 2632 09:40:16 20978296 28690364 3574948 10.88 358288 7108564 3405388 10.04 1344552 9570320 68760 Average: 22995883 28062904 4228720 12.87 229389 4899143 5839047 17.22 851735 8379944 26548 09:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:20:16 lo 1.11 1.11 0.13 0.13 0.00 0.00 0.00 0.00 09:20:16 ens3 322.19 178.39 1112.48 68.37 0.00 0.00 0.00 0.00 09:20:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:16 lo 7.01 7.01 1.94 1.94 0.00 0.00 0.00 0.00 09:30:16 ens3 67.99 45.34 295.69 18.12 0.00 0.00 0.00 0.00 09:30:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:16 lo 0.36 0.36 0.04 0.04 0.00 0.00 0.00 0.00 09:40:16 ens3 94.43 63.87 386.66 18.41 0.00 0.00 0.00 0.00 09:40:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.81 2.81 0.69 0.69 0.00 0.00 0.00 0.00 Average: ens3 162.97 96.60 602.87 35.26 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-3033) 03/19/26 _x86_64_ (8 CPU) 09:09:42 LINUX RESTART (8 CPU) 09:10:00 CPU %user %nice %system %iowait %steal %idle 09:20:16 all 46.13 0.00 2.00 0.22 0.08 51.57 09:20:16 0 43.50 0.00 1.93 0.06 0.08 54.43 09:20:16 1 44.35 0.00 2.11 0.14 0.08 53.32 09:20:16 2 44.52 0.00 2.18 0.40 0.07 52.83 09:20:16 3 52.59 0.00 1.91 0.16 0.08 45.27 09:20:16 4 50.67 0.00 2.00 0.32 0.08 46.94 09:20:16 5 43.14 0.00 1.95 0.32 0.07 54.52 09:20:16 6 45.59 0.00 1.91 0.07 0.07 52.35 09:20:16 7 44.72 0.00 2.00 0.32 0.07 52.88 09:30:16 all 76.55 0.00 2.12 0.02 0.10 21.20 09:30:16 0 77.29 0.00 2.20 0.01 0.10 20.40 09:30:16 1 77.18 0.00 2.18 0.01 0.11 20.53 09:30:16 2 77.78 0.00 2.06 0.15 0.11 19.90 09:30:16 3 75.17 0.00 2.00 0.01 0.10 22.72 09:30:16 4 77.04 0.00 2.07 0.02 0.10 20.76 09:30:16 5 74.90 0.00 2.10 0.00 0.10 22.89 09:30:16 6 77.28 0.00 2.11 0.01 0.10 20.51 09:30:16 7 75.76 0.00 2.20 0.00 0.10 21.94 09:40:16 all 77.02 0.00 3.06 0.24 0.11 19.57 09:40:16 0 76.53 0.00 2.64 0.20 0.11 20.52 09:40:16 1 77.17 0.00 3.40 0.40 0.12 18.91 09:40:16 2 76.85 0.00 3.29 0.26 0.11 19.49 09:40:16 3 77.67 0.00 3.13 0.24 0.12 18.84 09:40:16 4 76.34 0.00 2.92 0.23 0.12 20.40 09:40:16 5 77.56 0.00 3.04 0.18 0.12 19.11 09:40:16 6 75.99 0.00 2.97 0.32 0.12 20.61 09:40:16 7 78.07 0.00 3.08 0.10 0.11 18.65 Average: all 66.39 0.00 2.39 0.16 0.10 30.96 Average: 0 65.59 0.00 2.25 0.09 0.10 31.97 Average: 1 66.04 0.00 2.56 0.18 0.10 31.12 Average: 2 66.20 0.00 2.51 0.27 0.10 30.93 Average: 3 68.34 0.00 2.34 0.13 0.10 29.08 Average: 4 67.87 0.00 2.33 0.19 0.10 29.52 Average: 5 65.01 0.00 2.36 0.17 0.10 32.37 Average: 6 66.10 0.00 2.32 0.13 0.10 31.35 Average: 7 65.99 0.00 2.43 0.14 0.09 31.35