---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-17388 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 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 921 19907 4 11263 30703 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:ac:41:a5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.173/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84697sec preferred_lft 84697sec inet6 fe80::f816:3eff:feac:41a5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:fb:5c:2f:16:6e 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-17388) 06/18/26 _x86_64_ (8 CPU) 09:12:26 LINUX RESTART (8 CPU) 09:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:17 14.31 0.56 12.69 1.06 13.97 2424.55 375.67 09:40:01 16.59 0.06 14.02 2.52 6.17 5471.17 9625.97 Average: 15.42 0.32 13.34 1.77 10.17 3907.90 4879.48 09:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:17 14577188 23403424 8839844 26.90 472488 7883940 14908688 43.96 1488664 15571312 1364 09:40:01 20497304 31529660 710128 2.16 483396 10010332 1341100 3.95 1735972 9336572 765444 Average: 17537246 27466542 4774986 14.53 477942 8947136 8124894 23.96 1612318 12453942 383404 09:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:17 lo 6.89 6.89 1.86 1.86 0.00 0.00 0.00 0.00 09:30:17 ens3 170.46 106.40 162.65 51.98 0.00 0.00 0.00 0.00 09:30:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:01 lo 1.08 1.08 0.11 0.11 0.00 0.00 0.00 0.00 09:40:01 ens3 143.68 79.30 167.38 39.49 0.00 0.00 0.00 0.00 09:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 4.07 4.07 1.01 1.01 0.00 0.00 0.00 0.00 Average: ens3 157.42 93.21 164.95 45.90 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-17388) 06/18/26 _x86_64_ (8 CPU) 09:12:26 LINUX RESTART (8 CPU) 09:20:01 CPU %user %nice %system %iowait %steal %idle 09:30:17 all 88.38 0.00 2.63 0.01 0.14 8.84 09:30:17 0 88.58 0.00 2.54 0.00 0.14 8.73 09:30:17 1 86.03 0.00 2.58 0.00 0.14 11.24 09:30:17 2 88.02 0.00 2.71 0.03 0.14 9.10 09:30:17 3 86.75 0.00 2.67 0.00 0.14 10.43 09:30:17 4 88.16 0.00 2.65 0.01 0.14 9.04 09:30:17 5 90.88 0.00 2.55 0.02 0.14 6.40 09:30:17 6 90.81 0.00 2.84 0.01 0.15 6.20 09:30:17 7 87.85 0.00 2.45 0.00 0.14 9.55 09:40:01 all 92.57 0.00 2.89 0.02 0.16 4.36 09:40:01 0 95.14 0.00 2.99 0.00 0.16 1.71 09:40:01 1 92.71 0.00 2.78 0.00 0.16 4.35 09:40:01 2 92.45 0.00 2.90 0.08 0.15 4.41 09:40:01 3 91.95 0.00 2.87 0.00 0.16 5.02 09:40:01 4 92.09 0.00 3.04 0.02 0.16 4.69 09:40:01 5 92.19 0.00 2.74 0.00 0.16 4.92 09:40:01 6 91.84 0.00 3.00 0.04 0.16 4.96 09:40:01 7 92.17 0.00 2.81 0.01 0.16 4.84 Average: all 90.42 0.00 2.76 0.01 0.15 6.66 Average: 0 91.78 0.00 2.76 0.00 0.15 5.31 Average: 1 89.28 0.00 2.68 0.00 0.15 7.89 Average: 2 90.18 0.00 2.81 0.05 0.14 6.81 Average: 3 89.29 0.00 2.77 0.00 0.15 7.79 Average: 4 90.07 0.00 2.84 0.01 0.15 6.92 Average: 5 91.52 0.00 2.64 0.01 0.15 5.68 Average: 6 91.31 0.00 2.92 0.02 0.15 5.59 Average: 7 89.96 0.00 2.63 0.01 0.15 7.26