---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7976 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 UTC 2026 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 609 10360 4 5019 15037 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:ba:b5:e0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.212/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84851sec preferred_lft 84851sec inet6 fe80::f816:3eff:feba:b5e0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 56:1f:5f:97:bb:ac 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-7976) 02/05/26 _x86_64_ (4 CPU) 17:05:28 LINUX RESTART (4 CPU) 17:10:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:20:32 21.84 0.63 7.67 13.54 598.99 1434.59 271766.30 17:30:21 19.49 0.55 17.41 1.53 20.01 2532.85 5453.07 Average: 20.69 0.59 12.43 7.68 316.26 1970.89 141721.44 17:10:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:20:32 9458092 12709728 3251648 19.86 115980 3299460 3513012 20.16 685504 5888076 1012 17:30:21 10708596 15480504 474748 2.90 136264 4740500 1003420 5.76 1051728 4190012 1066056 Average: 10083344 14095116 1863198 11.38 126122 4019980 2258216 12.96 868616 5039044 533534 17:10:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:20:32 lo 0.66 0.66 0.38 0.38 0.00 0.00 0.00 0.00 17:20:32 ens3 33.70 24.54 297.92 3.39 0.00 0.00 0.00 0.00 17:20:32 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:30:21 lo 570.07 570.07 543.12 543.12 0.00 0.00 0.00 0.00 17:30:21 ens3 46.87 34.00 491.41 5.53 0.00 0.00 0.00 0.00 17:30:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 278.71 278.71 265.41 265.41 0.00 0.00 0.00 0.00 Average: ens3 40.13 29.16 392.40 4.44 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-7976) 02/05/26 _x86_64_ (4 CPU) 17:05:28 LINUX RESTART (4 CPU) 17:10:15 CPU %user %nice %system %iowait %steal %idle 17:20:32 all 49.63 0.00 0.85 0.24 0.07 49.21 17:20:32 0 55.35 0.00 0.90 0.26 0.07 43.42 17:20:32 1 46.14 0.00 0.78 0.34 0.07 52.66 17:20:32 2 45.35 0.00 0.84 0.10 0.08 53.63 17:20:32 3 51.68 0.00 0.87 0.25 0.07 47.13 17:30:21 all 55.26 0.00 1.36 0.07 0.08 43.22 17:30:21 0 49.82 0.00 1.71 0.04 0.08 48.35 17:30:21 1 60.75 0.00 1.23 0.15 0.08 37.80 17:30:21 2 55.10 0.00 1.19 0.07 0.08 43.56 17:30:21 3 55.36 0.00 1.33 0.03 0.07 43.22 Average: all 52.38 0.00 1.10 0.16 0.07 46.29 Average: 0 52.65 0.00 1.29 0.15 0.07 45.83 Average: 1 53.28 0.00 1.00 0.24 0.07 45.40 Average: 2 50.11 0.00 1.01 0.09 0.08 48.71 Average: 3 53.47 0.00 1.09 0.14 0.07 45.22