---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6205 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 15% / 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 661 9327 4 6000 14985 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:cc:34:9d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.39/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84791sec preferred_lft 84791sec inet6 fe80::f816:3eff:fecc:349d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:cd:e6:79:31:8d 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-6205) 01/31/26 _x86_64_ (4 CPU) 02:35:02 LINUX RESTART (4 CPU) 02:40:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:50:01 15.68 0.29 12.99 2.39 210.78 1383.19 28259.44 03:00:16 32.61 0.19 28.36 4.05 5.92 7740.87 28866.25 Average: 24.26 0.24 20.78 3.23 106.96 4605.09 28566.95 02:40:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:50:01 9629968 13160956 2797148 17.08 125944 3532836 3039116 17.44 749268 5598148 716 03:00:16 6868220 12671412 3274812 20.00 166152 5653824 3361584 19.30 1614676 7393248 89148 Average: 8249094 12916184 3035980 18.54 146048 4593330 3200350 18.37 1181972 6495698 44932 02:40:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:50:01 lo 46.22 46.22 10.95 10.95 0.00 0.00 0.00 0.00 02:50:01 ens3 24.38 18.39 153.45 3.59 0.00 0.00 0.00 0.00 02:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:00:16 lo 1870.83 1870.83 1784.64 1784.64 0.00 0.00 0.00 0.00 03:00:16 ens3 62.52 48.19 438.16 12.93 0.00 0.00 0.00 0.00 03:00:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 970.88 970.88 909.81 909.81 0.00 0.00 0.00 0.00 Average: ens3 43.71 33.49 297.73 8.33 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-6205) 01/31/26 _x86_64_ (4 CPU) 02:35:02 LINUX RESTART (4 CPU) 02:40:03 CPU %user %nice %system %iowait %steal %idle 02:50:01 all 23.68 0.00 1.05 0.16 0.09 75.02 02:50:01 0 23.89 0.00 1.08 0.11 0.09 74.84 02:50:01 1 23.41 0.00 1.14 0.20 0.09 75.15 02:50:01 2 23.75 0.00 1.04 0.16 0.09 74.96 02:50:01 3 23.68 0.00 0.92 0.19 0.09 75.12 03:00:16 all 47.44 0.00 2.36 1.11 0.09 49.00 03:00:16 0 46.83 0.00 2.16 2.02 0.09 48.90 03:00:16 1 48.89 0.00 2.33 1.53 0.09 47.16 03:00:16 2 46.68 0.00 2.28 0.51 0.09 50.44 03:00:16 3 47.34 0.00 2.69 0.37 0.09 49.51 Average: all 35.72 0.00 1.71 0.64 0.09 61.84 Average: 0 35.50 0.00 1.63 1.07 0.09 61.71 Average: 1 36.33 0.00 1.74 0.87 0.09 60.96 Average: 2 35.37 0.00 1.67 0.34 0.09 62.53 Average: 3 35.67 0.00 1.82 0.28 0.09 62.14