---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-5211 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: 5599.94 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 840 12955 4 18296 30783 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:44:74:58 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.252/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85141sec preferred_lft 85141sec inet6 fe80::f816:3eff:fe44:7458/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 32:0f:6a:f3:53:48 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::300f:6aff:fef3:5348/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-5211) 03/26/26 _x86_64_ (8 CPU) 12:39:22 LINUX RESTART (8 CPU) 12:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:09 284.20 3.30 272.68 8.22 265.04 51618.75 300403.89 13:00:04 230.12 1.49 224.19 4.44 235.24 26733.77 44176.80 Average: 257.45 2.41 248.69 6.35 250.30 39308.66 173653.58 12:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:09 17102352 31035932 1220092 3.71 355540 13284996 1767904 5.21 5606760 9120136 314988 13:00:04 13264528 31518840 699848 2.13 509492 17084932 1375632 4.06 9864800 8266496 12796 Average: 15183440 31277386 959970 2.92 432516 15184964 1571768 4.63 7735780 8693316 163892 12:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:09 lo 0.51 0.51 0.10 0.10 0.00 0.00 0.00 0.00 12:50:09 ens3 126.65 78.68 2510.22 12.83 0.00 0.00 0.00 0.00 12:50:09 docker0 2.58 3.23 0.14 86.49 0.00 0.00 0.00 0.00 13:00:04 lo 0.53 0.53 0.11 0.11 0.00 0.00 0.00 0.00 13:00:04 ens3 124.88 91.91 890.73 2797.11 0.00 0.00 0.00 0.00 13:00:04 docker0 11.40 13.26 54.10 201.34 0.00 0.00 0.00 0.00 Average: lo 0.52 0.52 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 125.78 85.23 1709.09 1390.16 0.00 0.00 0.00 0.00 Average: docker0 6.94 8.19 26.83 143.30 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-5211) 03/26/26 _x86_64_ (8 CPU) 12:39:22 LINUX RESTART (8 CPU) 12:40:01 CPU %user %nice %system %iowait %steal %idle 12:50:09 all 10.20 0.00 5.04 2.53 0.10 82.13 12:50:09 0 9.24 0.00 4.46 1.00 0.08 85.22 12:50:09 1 13.00 0.00 5.67 2.64 0.10 78.59 12:50:09 2 9.86 0.00 5.17 3.61 0.09 81.27 12:50:09 3 11.11 0.00 5.08 2.50 0.09 81.23 12:50:09 4 9.71 0.00 5.00 3.30 0.16 81.84 12:50:09 5 9.45 0.00 4.99 2.28 0.08 83.19 12:50:09 6 10.26 0.00 4.66 1.65 0.08 83.35 12:50:09 7 9.01 0.00 5.28 3.29 0.10 82.33 13:00:04 all 6.38 0.00 3.07 3.22 0.07 87.26 13:00:04 0 5.05 0.00 3.08 1.72 0.06 90.08 13:00:04 1 7.51 0.00 3.43 1.86 0.07 87.13 13:00:04 2 6.31 0.00 3.09 6.43 0.07 84.10 13:00:04 3 7.61 0.00 3.26 2.78 0.07 86.27 13:00:04 4 5.72 0.00 2.59 1.84 0.06 89.79 13:00:04 5 7.42 0.00 3.28 4.19 0.07 85.03 13:00:04 6 5.77 0.00 2.89 5.34 0.06 85.94 13:00:04 7 5.67 0.00 2.91 1.64 0.06 89.71 Average: all 8.31 0.00 4.06 2.88 0.08 84.67 Average: 0 7.17 0.00 3.78 1.36 0.07 87.63 Average: 1 10.28 0.00 4.56 2.25 0.08 82.82 Average: 2 8.10 0.00 4.14 5.00 0.08 82.68 Average: 3 9.38 0.00 4.18 2.64 0.08 83.73 Average: 4 7.73 0.00 3.80 2.58 0.11 85.78 Average: 5 8.45 0.00 4.15 3.23 0.07 84.10 Average: 6 8.03 0.00 3.78 3.48 0.07 84.63 Average: 7 7.36 0.00 4.11 2.47 0.08 85.98