---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-700 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 629 8862 4 6497 15017 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:12:aa:ce brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.248/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84713sec preferred_lft 84713sec inet6 fe80::f816:3eff:fe12:aace/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8a:18:df:40:56:1f 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-700) 01/16/26 _x86_64_ (4 CPU) 08:17:21 LINUX RESTART (4 CPU) 08:20:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:30:02 28.56 0.66 24.62 3.29 228.98 3563.90 18363.09 08:40:01 31.25 0.03 27.95 3.28 1.79 3212.41 11640.31 Average: 29.91 0.34 26.29 3.28 114.97 3387.51 14989.40 08:20:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:30:02 9171280 12760576 3196740 19.52 137260 3578464 3256360 18.69 761008 6063752 21624 08:40:01 7724460 12386728 3565816 21.78 155812 4583600 3607804 20.71 1060180 7146804 447384 Average: 8447870 12573652 3381278 20.65 146536 4081032 3432082 19.70 910594 6605278 234504 08:20:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:30:02 lo 1512.86 1512.86 1434.76 1434.76 0.00 0.00 0.00 0.00 08:30:02 ens3 40.73 32.76 199.39 9.19 0.00 0.00 0.00 0.00 08:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:01 lo 1343.98 1343.98 1279.00 1279.00 0.00 0.00 0.00 0.00 08:40:01 ens3 25.82 23.05 27.57 7.86 0.00 0.00 0.00 0.00 08:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1428.11 1428.11 1356.60 1356.60 0.00 0.00 0.00 0.00 Average: ens3 33.24 27.89 113.16 8.52 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-700) 01/16/26 _x86_64_ (4 CPU) 08:17:21 LINUX RESTART (4 CPU) 08:20:07 CPU %user %nice %system %iowait %steal %idle 08:30:02 all 67.93 0.00 2.64 0.08 0.09 29.27 08:30:02 0 68.15 0.00 2.34 0.12 0.09 29.29 08:30:02 1 69.60 0.00 2.51 0.05 0.08 27.76 08:30:02 2 67.73 0.00 3.07 0.07 0.09 29.04 08:30:02 3 66.22 0.00 2.63 0.07 0.09 31.00 08:40:01 all 62.03 0.00 2.52 0.10 0.09 35.27 08:40:01 0 60.61 0.00 2.41 0.05 0.09 36.84 08:40:01 1 62.81 0.00 2.48 0.11 0.09 34.51 08:40:01 2 62.20 0.00 2.76 0.05 0.09 34.90 08:40:01 3 62.50 0.00 2.41 0.18 0.09 34.81 Average: all 64.97 0.00 2.58 0.09 0.09 32.28 Average: 0 64.37 0.00 2.38 0.08 0.09 33.08 Average: 1 66.19 0.00 2.49 0.08 0.09 31.14 Average: 2 64.96 0.00 2.91 0.06 0.09 31.98 Average: 3 64.36 0.00 2.52 0.13 0.09 32.91