---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25847 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 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 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 12G 66G 16% / 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 697 8673 4 6617 14949 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:25:fc:ee brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.11/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84715sec preferred_lft 84715sec inet6 fe80::f816:3eff:fe25:fcee/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:2d:14:ff:84:4e 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-25847) 01/12/26 _x86_64_ (4 CPU) 07:09:06 LINUX RESTART (4 CPU) 07:10:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:20:01 48.50 4.39 40.14 3.97 805.01 6012.22 15102.72 07:30:01 30.77 0.01 27.52 3.24 0.15 2524.01 9008.58 Average: 39.60 2.19 33.80 3.60 401.04 4261.45 12044.00 07:10:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:20:01 9442312 13081588 2877088 17.57 133028 3639740 2870080 16.47 855176 5705588 30828 07:30:01 8669856 12729084 3225888 19.70 156012 4002764 3163220 18.16 972536 6303428 22908 Average: 9056084 12905336 3051488 18.64 144520 3821252 3016650 17.32 913856 6004508 26868 07:10:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:20:01 lo 1460.19 1460.19 1384.71 1384.71 0.00 0.00 0.00 0.00 07:20:01 ens3 103.93 78.90 1092.04 15.32 0.00 0.00 0.00 0.00 07:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:01 lo 1334.72 1334.72 1271.00 1271.00 0.00 0.00 0.00 0.00 07:30:01 ens3 21.09 18.99 20.48 6.45 0.00 0.00 0.00 0.00 07:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1397.21 1397.21 1327.64 1327.64 0.00 0.00 0.00 0.00 Average: ens3 62.35 48.83 554.21 10.87 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-25847) 01/12/26 _x86_64_ (4 CPU) 07:09:06 LINUX RESTART (4 CPU) 07:10:05 CPU %user %nice %system %iowait %steal %idle 07:20:01 all 65.50 0.00 2.59 0.41 0.09 31.42 07:20:01 0 63.33 0.00 2.37 0.27 0.09 33.95 07:20:01 1 64.73 0.00 2.37 0.55 0.09 32.26 07:20:01 2 66.89 0.00 3.01 0.53 0.09 29.47 07:20:01 3 67.03 0.00 2.60 0.29 0.09 29.98 07:30:01 all 62.76 0.00 2.35 0.16 0.09 34.65 07:30:01 0 62.21 0.00 2.16 0.19 0.09 35.36 07:30:01 1 62.92 0.00 2.49 0.19 0.09 34.31 07:30:01 2 65.50 0.00 2.80 0.14 0.09 31.46 07:30:01 3 60.41 0.00 1.94 0.10 0.09 37.46 Average: all 64.12 0.00 2.47 0.28 0.09 33.04 Average: 0 62.76 0.00 2.26 0.23 0.09 34.66 Average: 1 63.82 0.00 2.43 0.37 0.09 33.29 Average: 2 66.20 0.00 2.91 0.34 0.09 30.47 Average: 3 63.71 0.00 2.27 0.19 0.09 33.74