---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20478 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 635 10256 4 5097 15011 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:51:14:52 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.241/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84734sec preferred_lft 84734sec inet6 fe80::f816:3eff:fe51:1452/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:6a:cf:4a:c2:38 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-20478) 02/25/26 _x86_64_ (4 CPU) 00:25:26 LINUX RESTART (4 CPU) 00:30:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:17 20.78 0.65 6.27 13.85 617.85 1153.63 252605.85 00:50:14 16.90 0.53 15.27 1.09 19.60 2151.62 9304.04 Average: 18.84 0.59 10.76 7.49 319.34 1651.61 131202.95 00:30:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:17 10487796 13789136 2173216 13.27 117420 3343764 2414736 13.86 707352 4825128 12808 00:50:14 8841812 12849660 3107964 18.98 139544 3989852 3272104 18.78 923876 6222044 269044 Average: 9664804 13319398 2640590 16.13 128482 3666808 2843420 16.32 815614 5523586 140926 00:30:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:17 lo 0.63 0.63 0.38 0.38 0.00 0.00 0.00 0.00 00:40:17 ens3 24.02 13.89 223.02 3.02 0.00 0.00 0.00 0.00 00:40:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:14 lo 318.64 318.64 302.67 302.67 0.00 0.00 0.00 0.00 00:50:14 ens3 35.85 27.40 411.14 4.87 0.00 0.00 0.00 0.00 00:50:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 159.31 159.31 151.22 151.22 0.00 0.00 0.00 0.00 Average: ens3 29.92 20.64 316.88 3.94 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-20478) 02/25/26 _x86_64_ (4 CPU) 00:25:26 LINUX RESTART (4 CPU) 00:30:17 CPU %user %nice %system %iowait %steal %idle 00:40:17 all 46.42 0.00 0.74 0.17 0.09 52.57 00:40:17 0 47.08 0.00 0.79 0.22 0.09 51.83 00:40:17 1 38.16 0.00 0.70 0.27 0.08 60.78 00:40:17 2 42.70 0.00 0.76 0.14 0.08 56.31 00:40:17 3 57.74 0.00 0.73 0.05 0.10 41.37 00:50:14 all 58.43 0.00 1.18 0.11 0.09 40.19 00:50:14 0 49.16 0.00 1.14 0.08 0.10 49.51 00:50:14 1 52.27 0.00 1.12 0.12 0.08 46.42 00:50:14 2 46.58 0.00 1.10 0.09 0.09 52.15 00:50:14 3 85.77 0.00 1.37 0.14 0.10 12.62 Average: all 52.41 0.00 0.96 0.14 0.09 46.40 Average: 0 48.12 0.00 0.96 0.15 0.10 50.67 Average: 1 45.19 0.00 0.91 0.19 0.08 53.63 Average: 2 44.64 0.00 0.93 0.11 0.09 54.23 Average: 3 71.71 0.00 1.05 0.10 0.10 27.04