---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4072 5.15.0-153-generic #163-Ubuntu SMP Thu Aug 7 16:37:18 UTC 2025 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): 4 On-line CPU(s) list: 0-3 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): 4 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: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 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 disabled; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsx async abort: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 9.0G 69G 12% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 602 11804 4 3582 15044 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:7d:44:67 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.219/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83705sec preferred_lft 83705sec inet6 fe80::f816:3eff:fe7d:4467/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f6:4f:2c:a2:7a:1f 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 5.15.0-153-generic (prd-ubuntu2204-docker-4c-4g-4072) 10/16/25 _x86_64_ (4 CPU) 10:01:07 LINUX RESTART (4 CPU) 10:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:20:16 1.71 0.01 1.70 0.01 0.05 21.21 907.05 10:30:01 1.46 0.00 1.46 0.00 0.00 16.29 0.00 10:40:01 6.58 2.28 4.23 0.06 131.59 1600.79 334.53 Average: 3.25 0.76 2.46 0.02 43.88 546.13 421.50 10:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:20:16 12856668 15546236 435084 2.66 93624 2792244 989180 5.68 539952 2653432 8 10:30:01 12857424 15547456 433796 2.65 94068 2792256 989180 5.68 540400 2655472 200 10:40:01 9852420 13034392 2928400 17.89 111444 3247400 3258428 18.70 709508 5466576 276 Average: 11855504 14709361 1265760 7.73 99712 2943967 1745596 10.02 596620 3591827 161 10:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:20:16 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 10:20:16 ens3 0.36 0.11 0.07 0.04 0.00 0.00 0.00 0.00 10:20:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 10:30:01 ens3 0.50 0.17 0.14 0.08 0.00 0.00 0.00 0.00 10:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 10:40:01 ens3 42.36 34.77 516.10 4.27 0.00 0.00 0.00 0.00 10:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.16 0.16 0.01 0.01 0.00 0.00 0.00 0.00 Average: ens3 14.40 11.68 172.11 1.46 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 5.15.0-153-generic (prd-ubuntu2204-docker-4c-4g-4072) 10/16/25 _x86_64_ (4 CPU) 10:01:07 LINUX RESTART (4 CPU) 10:10:01 CPU %user %nice %system %iowait %steal %idle 10:20:16 all 0.15 0.00 0.02 0.01 0.02 99.81 10:20:16 0 0.40 0.00 0.01 0.00 0.01 99.58 10:20:16 1 0.03 0.00 0.02 0.00 0.01 99.94 10:20:16 2 0.15 0.00 0.02 0.00 0.01 99.81 10:20:16 3 0.02 0.00 0.04 0.02 0.03 99.89 10:30:01 all 0.15 0.00 0.02 0.01 0.02 99.80 10:30:01 0 0.55 0.00 0.01 0.00 0.01 99.43 10:30:01 1 0.02 0.00 0.03 0.00 0.02 99.94 10:30:01 2 0.03 0.00 0.02 0.04 0.02 99.90 10:30:01 3 0.02 0.00 0.03 0.00 0.02 99.93 10:40:01 all 19.66 0.00 0.46 0.04 0.04 79.80 10:40:01 0 20.88 0.00 0.45 0.06 0.04 78.57 10:40:01 1 18.67 0.00 0.38 0.02 0.05 80.88 10:40:01 2 23.28 0.00 0.46 0.01 0.04 76.20 10:40:01 3 15.79 0.00 0.53 0.07 0.04 83.56 Average: all 6.65 0.00 0.17 0.02 0.03 93.14 Average: 0 7.26 0.00 0.16 0.02 0.02 92.54 Average: 1 6.24 0.00 0.14 0.01 0.03 93.58 Average: 2 7.81 0.00 0.17 0.02 0.02 91.98 Average: 3 5.28 0.00 0.20 0.03 0.03 94.46