---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3164 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: 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 12G 67G 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 664 9513 4 5811 14982 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:80:7c:39 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.255/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84557sec preferred_lft 84557sec inet6 fe80::f816:3eff:fe80:7c39/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:5f:ab:0c:07:c6 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-3164) 01/23/26 _x86_64_ (4 CPU) 01:06:30 LINUX RESTART (4 CPU) 01:10:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:01 33.23 0.33 15.88 17.01 217.93 1748.80 304167.18 01:30:18 26.23 0.16 22.44 3.63 4.90 1985.28 22708.70 Average: 29.63 0.24 19.26 10.13 108.28 1870.52 159302.33 01:10:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:01 9609896 12987340 2972572 18.16 125912 3381564 3229012 18.53 728444 5647688 56 01:30:18 8561720 12552516 3402768 20.78 148432 3931704 3476268 19.95 899752 6491880 188112 Average: 9085808 12769928 3187670 19.47 137172 3656634 3352640 19.24 814098 6069784 94084 01:10:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:01 lo 30.87 30.87 7.35 7.35 0.00 0.00 0.00 0.00 01:20:01 ens3 19.08 14.53 73.44 4.23 0.00 0.00 0.00 0.00 01:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:18 lo 1371.30 1371.30 1283.29 1283.29 0.00 0.00 0.00 0.00 01:30:18 ens3 49.22 37.31 245.63 10.47 0.00 0.00 0.00 0.00 01:30:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 720.78 720.78 664.07 664.07 0.00 0.00 0.00 0.00 Average: ens3 34.59 26.25 162.06 7.44 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-3164) 01/23/26 _x86_64_ (4 CPU) 01:06:30 LINUX RESTART (4 CPU) 01:10:18 CPU %user %nice %system %iowait %steal %idle 01:20:01 all 29.52 0.00 1.10 0.12 0.09 69.17 01:20:01 0 28.76 0.00 1.10 0.05 0.08 70.02 01:20:01 1 28.28 0.00 0.94 0.12 0.09 70.57 01:20:01 2 30.77 0.00 1.24 0.27 0.09 67.64 01:20:01 3 30.29 0.00 1.12 0.05 0.09 68.46 01:30:18 all 37.35 0.00 1.85 0.06 0.09 60.64 01:30:18 0 37.06 0.00 1.91 0.08 0.09 60.86 01:30:18 1 38.69 0.00 1.97 0.06 0.09 59.19 01:30:18 2 36.34 0.00 1.84 0.05 0.09 61.68 01:30:18 3 37.33 0.00 1.69 0.06 0.09 60.83 Average: all 33.55 0.00 1.49 0.09 0.09 64.78 Average: 0 33.02 0.00 1.51 0.07 0.09 65.31 Average: 1 33.64 0.00 1.47 0.09 0.09 64.71 Average: 2 33.64 0.00 1.55 0.16 0.09 64.57 Average: 3 33.91 0.00 1.41 0.05 0.09 64.53