---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8200 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: 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 636 8808 4 6544 15010 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:79:34:0c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.133/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84577sec preferred_lft 84577sec inet6 fe80::f816:3eff:fe79:340c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:eb:eb:e8:7b:3e 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-8200) 02/06/26 _x86_64_ (4 CPU) 10:00:29 LINUX RESTART (4 CPU) 10:10:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:20:01 26.13 0.01 23.56 2.56 0.20 2807.56 25022.22 10:30:04 23.38 0.04 21.26 2.08 1.38 8931.44 15228.60 Average: 24.75 0.02 22.41 2.32 0.79 5880.63 20107.62 10:10:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:20:01 8164992 12228520 3725976 22.76 150496 4012156 3794016 21.78 892208 6904604 207836 10:30:04 9052460 15384448 563308 3.44 170944 6185404 1092720 6.27 1719192 5086756 9732 Average: 8608726 13806484 2144642 13.10 160720 5098780 2443368 14.02 1305700 5995680 108784 10:10:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:20:01 lo 1105.51 1105.51 1052.77 1052.77 0.00 0.00 0.00 0.00 10:20:01 ens3 20.43 18.34 17.62 6.11 0.00 0.00 0.00 0.00 10:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:04 lo 702.49 702.49 7257.43 7257.43 0.00 0.00 0.00 0.00 10:30:04 ens3 36.76 32.48 108.56 33.38 0.00 0.00 0.00 0.00 10:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 903.26 903.26 4166.37 4166.37 0.00 0.00 0.00 0.00 Average: ens3 28.62 25.44 63.26 19.80 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-8200) 02/06/26 _x86_64_ (4 CPU) 10:00:29 LINUX RESTART (4 CPU) 10:10:04 CPU %user %nice %system %iowait %steal %idle 10:20:01 all 59.34 0.00 2.12 2.96 0.10 35.48 10:20:01 0 59.52 0.00 1.81 0.82 0.10 37.75 10:20:01 1 58.59 0.00 2.17 1.28 0.10 37.85 10:20:01 2 61.22 0.00 2.29 2.73 0.10 33.66 10:20:01 3 58.04 0.00 2.19 7.04 0.10 32.62 10:30:04 all 44.79 0.00 1.77 0.40 0.10 52.94 10:30:04 0 39.48 0.00 1.99 0.75 0.10 57.68 10:30:04 1 46.17 0.00 1.92 0.49 0.09 51.33 10:30:04 2 44.82 0.00 1.40 0.09 0.10 53.59 10:30:04 3 48.72 0.00 1.76 0.26 0.10 49.16 Average: all 52.03 0.00 1.94 1.68 0.10 44.25 Average: 0 49.46 0.00 1.90 0.79 0.10 47.76 Average: 1 52.35 0.00 2.05 0.88 0.10 44.62 Average: 2 52.97 0.00 1.84 1.40 0.10 43.68 Average: 3 53.36 0.00 1.97 3.63 0.10 40.93