---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-8008 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 745 20185 4 11161 30878 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:db:11:ed 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 84761sec preferred_lft 84761sec inet6 fe80::f816:3eff:fedb:11ed/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:7e:11:d3:4a:e6 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-8008) 05/04/26 _x86_64_ (8 CPU) 05:33:14 LINUX RESTART (8 CPU) 05:40:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:50:02 35.21 0.58 14.10 20.53 13.90 2712.19 489947.86 06:00:08 18.64 0.11 15.69 2.84 13.76 6057.42 40516.31 Average: 26.89 0.35 14.89 11.65 13.83 4391.64 264313.42 05:40:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:50:02 16828468 25535924 6710512 20.42 469988 7782052 9468620 27.92 1490200 13330104 4244 06:00:08 20747612 31687140 555136 1.69 483908 9925672 1110408 3.27 1756628 9056092 594188 Average: 18788040 28611532 3632824 11.05 476948 8853862 5289514 15.60 1623414 11193098 299216 05:40:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:50:02 lo 7.07 7.07 1.90 1.90 0.00 0.00 0.00 0.00 05:50:02 ens3 163.12 103.29 255.47 42.42 0.00 0.00 0.00 0.00 05:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:08 lo 1.07 1.07 0.11 0.11 0.00 0.00 0.00 0.00 06:00:08 ens3 152.07 90.47 165.20 42.48 0.00 0.00 0.00 0.00 06:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 4.06 4.06 1.00 1.00 0.00 0.00 0.00 0.00 Average: ens3 157.57 96.86 210.15 42.45 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-8008) 05/04/26 _x86_64_ (8 CPU) 05:33:14 LINUX RESTART (8 CPU) 05:40:02 CPU %user %nice %system %iowait %steal %idle 05:50:02 all 87.21 0.00 2.70 0.01 0.13 9.95 05:50:02 0 87.76 0.00 3.06 0.00 0.13 9.05 05:50:02 1 87.71 0.00 2.78 0.01 0.14 9.36 05:50:02 2 86.86 0.00 2.53 0.01 0.12 10.48 05:50:02 3 89.07 0.00 2.87 0.01 0.13 7.92 05:50:02 4 86.91 0.00 2.67 0.00 0.13 10.29 05:50:02 5 86.07 0.00 2.71 0.00 0.12 11.09 05:50:02 6 85.71 0.00 2.50 0.00 0.13 11.66 05:50:02 7 87.59 0.00 2.47 0.01 0.13 9.80 06:00:08 all 90.18 0.00 2.82 0.03 0.13 6.84 06:00:08 0 90.03 0.00 2.75 0.03 0.13 7.07 06:00:08 1 89.98 0.00 2.67 0.00 0.14 7.21 06:00:08 2 92.74 0.00 3.01 0.00 0.13 4.12 06:00:08 3 89.48 0.00 2.81 0.00 0.13 7.58 06:00:08 4 89.23 0.00 2.89 0.18 0.13 7.57 06:00:08 5 89.79 0.00 2.74 0.00 0.13 7.34 06:00:08 6 90.37 0.00 2.79 0.01 0.14 6.70 06:00:08 7 89.85 0.00 2.88 0.03 0.14 7.10 Average: all 88.71 0.00 2.76 0.02 0.13 8.39 Average: 0 88.90 0.00 2.90 0.01 0.13 8.05 Average: 1 88.85 0.00 2.73 0.01 0.14 8.28 Average: 2 89.82 0.00 2.77 0.00 0.13 7.28 Average: 3 89.28 0.00 2.84 0.01 0.13 7.75 Average: 4 88.08 0.00 2.78 0.09 0.13 8.93 Average: 5 87.94 0.00 2.73 0.00 0.13 9.21 Average: 6 88.06 0.00 2.65 0.01 0.13 9.16 Average: 7 88.73 0.00 2.68 0.02 0.13 8.44