---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6518 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: 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: 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 11G 67G 14% / 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 629 9971 4 5388 15016 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:12:5f:99 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.100/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84711sec preferred_lft 84711sec inet6 fe80::f816:3eff:fe12:5f99/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a6:ae:5f:b4:fe:5e 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-6518) 11/06/25 _x86_64_ (4 CPU) 16:15:07 LINUX RESTART (4 CPU) 16:20:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:30:03 49.11 0.66 41.02 7.43 542.90 2349.92 161514.43 16:40:08 49.09 11.99 22.57 14.53 137.24 1991.70 270572.09 Average: 49.10 6.38 31.71 11.02 338.21 2169.17 216542.20 16:20:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:30:03 9537832 12989476 2970196 18.14 148564 3441324 3185460 18.28 836480 5614936 300 16:40:08 8188060 13018556 2934580 17.92 169912 4729644 2934796 16.85 1344996 6383408 904580 Average: 8862946 13004016 2952388 18.03 159238 4085484 3060128 17.57 1090738 5999172 452440 16:20:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:30:03 lo 35.39 35.39 8.52 8.52 0.00 0.00 0.00 0.00 16:30:03 ens3 20.60 14.42 140.43 3.57 0.00 0.00 0.00 0.00 16:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:40:08 lo 1555.49 1555.49 1460.95 1460.95 0.00 0.00 0.00 0.00 16:40:08 ens3 43.96 35.18 325.58 7.50 0.00 0.00 0.00 0.00 16:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 802.40 802.40 741.38 741.38 0.00 0.00 0.00 0.00 Average: ens3 32.39 24.90 233.85 5.55 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-6518) 11/06/25 _x86_64_ (4 CPU) 16:15:07 LINUX RESTART (4 CPU) 16:20:08 CPU %user %nice %system %iowait %steal %idle 16:30:03 all 27.68 0.00 1.21 0.39 0.08 70.64 16:30:03 0 28.31 0.00 1.29 0.39 0.08 69.93 16:30:03 1 27.29 0.00 1.29 0.67 0.08 70.66 16:30:03 2 26.80 0.00 1.05 0.18 0.08 71.89 16:30:03 3 28.31 0.00 1.20 0.34 0.08 70.07 16:40:08 all 40.01 0.06 2.04 0.16 0.09 57.64 16:40:08 0 40.39 0.14 2.11 0.36 0.08 56.91 16:40:08 1 38.38 0.00 1.93 0.06 0.09 59.55 16:40:08 2 38.67 0.09 2.03 0.15 0.09 58.97 16:40:08 3 42.58 0.03 2.10 0.06 0.08 55.15 Average: all 33.90 0.03 1.63 0.27 0.08 64.09 Average: 0 34.40 0.07 1.71 0.38 0.08 63.37 Average: 1 32.89 0.00 1.61 0.36 0.08 65.06 Average: 2 32.79 0.04 1.54 0.16 0.09 65.38 Average: 3 35.51 0.01 1.66 0.20 0.08 62.54