---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11694 5.15.0-161-generic #171-Ubuntu SMP Sat Oct 11 08:17:01 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 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 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 639 9900 4 5449 15007 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:1c:51:1e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.161/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84696sec preferred_lft 84696sec inet6 fe80::f816:3eff:fe1c:511e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9a:e8:d8:7a:c1:3a 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-11694) 12/08/25 _x86_64_ (4 CPU) 20:04:18 LINUX RESTART (4 CPU) 20:10:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:05 42.89 0.02 36.82 6.05 0.60 1580.91 135117.88 20:30:05 30.14 0.19 25.98 3.97 5.84 5251.29 23093.71 Average: 36.51 0.10 31.40 5.01 3.22 3416.10 79105.79 20:10:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:05 9572104 13125788 2832552 17.30 150592 3539020 3017492 17.32 844708 5574420 248 20:30:05 7211236 12413884 3535640 21.59 176984 5081584 3595236 20.64 1415196 7278064 220608 Average: 8391670 12769836 3184096 19.45 163788 4310302 3306364 18.98 1129952 6426242 110428 20:10:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:05 lo 41.34 41.34 10.02 10.02 0.00 0.00 0.00 0.00 20:20:05 ens3 9.64 8.54 9.49 2.70 0.00 0.00 0.00 0.00 20:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:05 lo 1798.57 1798.57 1704.05 1704.05 0.00 0.00 0.00 0.00 20:30:05 ens3 46.55 38.14 452.95 7.94 0.00 0.00 0.00 0.00 20:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 919.95 919.95 857.04 857.04 0.00 0.00 0.00 0.00 Average: ens3 28.10 23.34 231.22 5.32 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-11694) 12/08/25 _x86_64_ (4 CPU) 20:04:18 LINUX RESTART (4 CPU) 20:10:05 CPU %user %nice %system %iowait %steal %idle 20:20:05 all 25.04 0.00 1.03 0.28 0.08 73.57 20:20:05 0 23.81 0.00 0.95 0.08 0.08 75.08 20:20:05 1 25.74 0.00 1.14 0.07 0.08 72.98 20:20:05 2 25.68 0.00 0.98 0.07 0.08 73.18 20:20:05 3 24.93 0.00 1.05 0.89 0.08 73.06 20:30:05 all 44.33 0.00 2.23 0.59 0.09 52.76 20:30:05 0 44.04 0.00 2.23 1.20 0.09 52.44 20:30:05 1 45.29 0.00 2.35 0.09 0.09 52.18 20:30:05 2 42.69 0.00 2.05 0.23 0.09 54.94 20:30:05 3 45.31 0.00 2.28 0.85 0.09 51.47 Average: all 34.69 0.00 1.63 0.43 0.09 63.17 Average: 0 33.92 0.00 1.59 0.64 0.09 63.76 Average: 1 35.51 0.00 1.75 0.08 0.08 62.58 Average: 2 34.19 0.00 1.51 0.15 0.09 64.06 Average: 3 35.12 0.00 1.66 0.87 0.08 62.27