---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15123 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 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 605 10258 4 5124 15041 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:6a:dc:b3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.62/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84786sec preferred_lft 84786sec inet6 fe80::f816:3eff:fe6a:dcb3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:6f:91:ae:12:03 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-15123) 02/19/26 _x86_64_ (4 CPU) 10:03:50 LINUX RESTART (4 CPU) 10:10:22 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:20:01 3.61 0.07 3.38 0.16 7.12 583.81 334.04 10:30:22 24.09 0.61 21.05 2.43 29.92 5948.33 6231.10 Average: 14.21 0.35 12.52 1.33 18.92 3360.62 3386.51 10:10:22 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:20:01 9254776 12612092 3349004 20.45 119900 3393180 3575284 20.52 696708 6066652 280 10:30:22 10522304 15414820 540132 3.30 145748 4843944 1094452 6.28 1076300 4360456 12464 Average: 9888540 14013456 1944568 11.88 132824 4118562 2334868 13.40 886504 5213554 6372 10:10:22 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:20:01 lo 0.59 0.59 0.39 0.39 0.00 0.00 0.00 0.00 10:20:01 ens3 10.48 8.00 37.54 2.50 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 10:30:22 lo 450.46 450.46 428.57 428.57 0.00 0.00 0.00 0.00 10:30:22 ens3 53.83 39.43 469.83 18.09 0.00 0.00 0.00 0.00 10:30:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 233.46 233.46 222.03 222.03 0.00 0.00 0.00 0.00 Average: ens3 32.92 24.27 261.30 10.57 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-15123) 02/19/26 _x86_64_ (4 CPU) 10:03:50 LINUX RESTART (4 CPU) 10:10:22 CPU %user %nice %system %iowait %steal %idle 10:20:01 all 47.15 0.00 0.65 0.03 0.09 52.08 10:20:01 0 40.74 0.00 0.56 0.01 0.08 58.61 10:20:01 1 45.53 0.00 0.60 0.02 0.09 53.77 10:20:01 2 62.28 0.00 0.81 0.03 0.10 36.78 10:20:01 3 40.07 0.00 0.62 0.08 0.08 59.16 10:30:22 all 48.15 0.00 1.43 0.78 0.09 49.55 10:30:22 0 38.41 0.00 1.37 1.69 0.09 58.44 10:30:22 1 51.37 0.00 1.70 0.71 0.09 46.13 10:30:22 2 63.26 0.00 1.42 0.45 0.10 34.77 10:30:22 3 39.60 0.00 1.22 0.29 0.09 58.80 Average: all 47.67 0.00 1.05 0.42 0.09 50.77 Average: 0 39.53 0.00 0.98 0.88 0.08 58.52 Average: 1 48.55 0.00 1.17 0.37 0.09 49.82 Average: 2 62.79 0.00 1.12 0.25 0.10 35.74 Average: 3 39.82 0.00 0.93 0.19 0.08 58.97