---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-18455 5.15.0-179-generic #189-Ubuntu SMP Tue May 5 18:20:56 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 10G 145G 7% / 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 680 28661 4 2749 30969 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:f7:b5:a5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.96/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84946sec preferred_lft 84946sec inet6 fe80::f816:3eff:fef7:b5a5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether aa:1e:e4:d2:03:d0 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 5.15.0-179-generic (prd-ubuntu2204-docker-8c-8g-18455) 06/20/26 _x86_64_ (8 CPU) 12:16:35 LINUX RESTART (8 CPU) 12:20:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:30:01 15.95 0.04 1.42 14.48 1.30 18.17 521813.75 12:40:04 36.03 1.56 33.76 0.70 104.47 1181.58 484.80 Average: 26.14 0.81 17.83 7.49 53.65 608.54 257264.07 12:20:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:30:01 30135508 31788368 599168 1.82 59724 1931948 1507236 4.44 190832 2258164 168 12:40:04 29590384 31854600 494356 1.50 98572 2471680 1085424 3.20 269224 2645028 346168 Average: 29862946 31821484 546762 1.66 79148 2201814 1296330 3.82 230028 2451596 173168 12:20:16 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 0.44 0.28 0.19 0.32 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 12:40:04 lo 0.24 0.24 0.02 0.02 0.00 0.00 0.00 0.00 12:40:04 ens3 28.07 18.94 222.37 6.70 0.00 0.00 0.00 0.00 12:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.18 0.18 0.02 0.02 0.00 0.00 0.00 0.00 Average: ens3 14.46 9.75 112.94 3.56 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 5.15.0-179-generic (prd-ubuntu2204-docker-8c-8g-18455) 06/20/26 _x86_64_ (8 CPU) 12:16:35 LINUX RESTART (8 CPU) 12:20:16 CPU %user %nice %system %iowait %steal %idle 12:30:01 all 0.04 0.00 0.02 0.02 0.01 99.91 12:30:01 0 0.02 0.00 0.01 0.00 0.01 99.96 12:30:01 1 0.19 0.00 0.02 0.01 0.02 99.76 12:30:01 2 0.01 0.00 0.01 0.00 0.01 99.97 12:30:01 3 0.03 0.00 0.06 0.14 0.02 99.75 12:30:01 4 0.03 0.00 0.01 0.03 0.01 99.92 12:30:01 5 0.01 0.00 0.01 0.01 0.01 99.98 12:30:01 6 0.01 0.00 0.01 0.00 0.00 99.98 12:30:01 7 0.02 0.00 0.01 0.01 0.00 99.95 12:40:04 all 1.09 0.00 0.13 0.14 0.02 98.62 12:40:04 0 2.14 0.00 0.20 0.06 0.01 97.59 12:40:04 1 2.76 0.00 0.25 0.04 0.03 96.92 12:40:04 2 1.21 0.00 0.07 0.02 0.01 98.68 12:40:04 3 0.95 0.00 0.15 0.19 0.01 98.70 12:40:04 4 0.38 0.00 0.05 0.00 0.01 99.55 12:40:04 5 0.80 0.00 0.16 0.37 0.01 98.65 12:40:04 6 0.36 0.00 0.08 0.02 0.00 99.54 12:40:04 7 0.15 0.00 0.08 0.42 0.02 99.32 Average: all 0.57 0.00 0.07 0.08 0.01 99.25 Average: 0 1.10 0.00 0.11 0.03 0.01 98.75 Average: 1 1.49 0.00 0.14 0.03 0.03 98.32 Average: 2 0.62 0.00 0.04 0.01 0.01 99.32 Average: 3 0.49 0.00 0.11 0.17 0.02 99.22 Average: 4 0.21 0.00 0.03 0.02 0.01 99.73 Average: 5 0.41 0.00 0.09 0.19 0.01 99.30 Average: 6 0.19 0.00 0.04 0.01 0.00 99.76 Average: 7 0.09 0.00 0.05 0.22 0.01 99.63