---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1091 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 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 620 10238 4 5130 15026 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:3c:ad:76 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.14/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84827sec preferred_lft 84827sec inet6 fe80::f816:3eff:fe3c:ad76/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:4f:57:a9:66:dc 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-1091) 10/22/25 _x86_64_ (4 CPU) 08:08:51 LINUX RESTART (4 CPU) 08:10:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:20:17 19.55 3.44 14.67 1.44 815.72 4328.13 25525.67 08:30:11 3.43 0.19 3.13 0.11 6.42 356.36 118.10 Average: 11.53 1.82 8.93 0.78 413.36 2353.50 12893.86 08:10:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:20:17 9196240 12518076 3443460 21.03 116188 3371788 3609772 20.72 750852 6079940 1680 08:30:11 10354212 13795648 2165168 13.22 120032 3478388 2417304 13.88 775724 4884840 25256 Average: 9775226 13156862 2804314 17.13 118110 3425088 3013538 17.30 763288 5482390 13468 08:10:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:20:17 lo 0.81 0.81 0.40 0.40 0.00 0.00 0.00 0.00 08:20:17 ens3 80.58 63.44 809.16 8.59 0.00 0.00 0.00 0.00 08:20:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:11 lo 0.47 0.47 0.03 0.03 0.00 0.00 0.00 0.00 08:30:11 ens3 6.10 4.87 30.53 1.10 0.00 0.00 0.00 0.00 08:30:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.64 0.64 0.22 0.22 0.00 0.00 0.00 0.00 Average: ens3 43.55 34.32 422.05 4.87 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-1091) 10/22/25 _x86_64_ (4 CPU) 08:08:51 LINUX RESTART (4 CPU) 08:10:17 CPU %user %nice %system %iowait %steal %idle 08:20:17 all 53.67 0.00 1.26 0.14 0.09 44.84 08:20:17 0 54.50 0.00 1.36 0.16 0.09 43.90 08:20:17 1 52.96 0.00 1.24 0.13 0.09 45.57 08:20:17 2 51.23 0.00 1.05 0.19 0.09 47.44 08:20:17 3 55.99 0.00 1.38 0.09 0.09 42.45 08:30:11 all 46.18 0.00 0.54 0.19 0.08 53.01 08:30:11 0 49.36 0.00 0.59 0.05 0.09 49.91 08:30:11 1 73.17 0.00 0.70 0.69 0.10 25.34 08:30:11 2 31.44 0.00 0.44 0.01 0.06 68.06 08:30:11 3 30.87 0.00 0.43 0.04 0.07 68.61 Average: all 49.94 0.00 0.90 0.17 0.08 48.91 Average: 0 51.94 0.00 0.98 0.10 0.09 46.89 Average: 1 63.02 0.00 0.97 0.41 0.10 35.50 Average: 2 41.37 0.00 0.75 0.10 0.07 57.71 Average: 3 43.47 0.00 0.91 0.06 0.08 55.48