---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-8660 5.15.0-181-generic #191-Ubuntu SMP Fri May 22 19:09:02 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: 5600.00 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 926 19611 4 11554 30698 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:69:0b:53 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.51/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84612sec preferred_lft 84612sec inet6 fe80::f816:3eff:fe69:b53/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:1a:7b:70:a2:51 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 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-8660) 07/10/26 _x86_64_ (8 CPU) 18:16:15 LINUX RESTART (8 CPU) 18:20:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:30:01 53.39 0.95 47.42 5.02 50.26 7945.48 18020.90 18:40:07 10.11 0.21 8.76 1.14 2.14 1499.30 963.96 Average: 31.60 0.58 27.96 3.07 26.04 4700.68 9434.98 18:20:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:30:01 14630312 23667752 8575984 26.10 474128 8092540 14330604 42.26 1498040 15499512 8364 18:40:07 14709480 24139932 8102356 24.66 482072 8458468 10431176 30.76 1576464 15323656 5256 Average: 14669896 23903842 8339170 25.38 478100 8275504 12380890 36.51 1537252 15411584 6810 18:20:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:30:01 lo 3.05 3.05 1.20 1.20 0.00 0.00 0.00 0.00 18:30:01 ens3 432.52 245.77 818.57 84.10 0.00 0.00 0.00 0.00 18:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:40:07 lo 4.87 4.87 0.79 0.79 0.00 0.00 0.00 0.00 18:40:07 ens3 134.17 75.88 94.05 37.47 0.00 0.00 0.00 0.00 18:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3.97 3.97 0.99 0.99 0.00 0.00 0.00 0.00 Average: ens3 282.34 160.25 453.87 60.63 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 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-8660) 07/10/26 _x86_64_ (8 CPU) 18:16:15 LINUX RESTART (8 CPU) 18:20:03 CPU %user %nice %system %iowait %steal %idle 18:30:01 all 80.70 0.00 3.09 0.04 0.10 16.06 18:30:01 0 82.55 0.00 3.03 0.03 0.10 14.29 18:30:01 1 82.84 0.00 3.21 0.07 0.12 13.77 18:30:01 2 79.74 0.00 2.90 0.03 0.10 17.23 18:30:01 3 79.98 0.00 3.32 0.03 0.11 16.56 18:30:01 4 78.36 0.00 3.14 0.08 0.10 18.32 18:30:01 5 81.72 0.00 2.99 0.03 0.10 15.16 18:30:01 6 82.23 0.00 3.12 0.04 0.10 14.51 18:30:01 7 78.18 0.00 3.04 0.02 0.11 18.66 18:40:07 all 96.62 0.00 3.23 0.00 0.11 0.04 18:40:07 0 96.78 0.00 3.07 0.00 0.10 0.05 18:40:07 1 96.51 0.00 3.33 0.00 0.12 0.04 18:40:07 2 96.65 0.00 3.21 0.00 0.10 0.04 18:40:07 3 96.40 0.00 3.45 0.00 0.11 0.04 18:40:07 4 97.03 0.00 2.82 0.00 0.10 0.04 18:40:07 5 96.61 0.00 3.23 0.00 0.11 0.05 18:40:07 6 96.48 0.00 3.39 0.00 0.10 0.03 18:40:07 7 96.50 0.00 3.33 0.00 0.13 0.05 Average: all 88.72 0.00 3.16 0.02 0.11 7.99 Average: 0 89.72 0.00 3.05 0.01 0.10 7.12 Average: 1 89.73 0.00 3.27 0.03 0.12 6.85 Average: 2 88.26 0.00 3.06 0.02 0.10 8.57 Average: 3 88.26 0.00 3.38 0.02 0.11 8.23 Average: 4 87.76 0.00 2.98 0.04 0.10 9.12 Average: 5 89.22 0.00 3.11 0.02 0.10 7.55 Average: 6 89.41 0.00 3.25 0.02 0.10 7.22 Average: 7 87.41 0.00 3.18 0.01 0.12 9.28