---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7541 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 67G 15% / 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 654 9588 4 5746 14992 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:b4:63:48 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.84/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84523sec preferred_lft 84523sec inet6 fe80::f816:3eff:feb4:6348/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:0a:79:52:d8:35 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-7541) 02/04/26 _x86_64_ (4 CPU) 01:08:17 LINUX RESTART (4 CPU) 01:10:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:02 32.28 3.45 25.24 3.59 180.79 4599.66 38553.17 01:30:08 18.68 0.16 16.02 2.50 4.95 1554.40 24365.56 Average: 25.43 1.79 20.59 3.04 92.23 3065.89 31407.46 01:10:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:02 10156344 13436532 2523332 15.41 124588 3289092 2812596 16.14 660416 5166436 10100 01:30:08 9608612 13241380 2714772 16.58 146768 3590044 2942176 16.89 787056 5552440 12984 Average: 9882478 13338956 2619052 16.00 135678 3439568 2877386 16.52 723736 5359438 11542 01:10:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:02 lo 18.63 18.63 4.03 4.03 0.00 0.00 0.00 0.00 01:20:02 ens3 72.61 55.48 618.00 12.39 0.00 0.00 0.00 0.00 01:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:08 lo 1029.72 1029.72 949.60 949.60 0.00 0.00 0.00 0.00 01:30:08 ens3 37.89 25.97 227.01 6.05 0.00 0.00 0.00 0.00 01:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 527.87 527.87 480.27 480.27 0.00 0.00 0.00 0.00 Average: ens3 55.12 40.61 421.08 9.20 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-7541) 02/04/26 _x86_64_ (4 CPU) 01:08:17 LINUX RESTART (4 CPU) 01:10:04 CPU %user %nice %system %iowait %steal %idle 01:20:02 all 37.39 0.00 1.49 0.21 0.09 60.82 01:20:02 0 36.25 0.00 1.38 0.20 0.09 62.07 01:20:02 1 37.23 0.00 1.39 0.14 0.08 61.15 01:20:02 2 38.61 0.00 1.78 0.28 0.09 59.24 01:20:02 3 37.47 0.00 1.40 0.22 0.09 60.82 01:30:08 all 24.19 0.00 1.40 0.07 0.09 74.25 01:30:08 0 24.16 0.00 1.53 0.04 0.09 74.18 01:30:08 1 23.89 0.00 1.49 0.13 0.09 74.40 01:30:08 2 24.48 0.00 1.27 0.04 0.09 74.13 01:30:08 3 24.21 0.00 1.33 0.10 0.09 74.28 Average: all 30.74 0.00 1.45 0.14 0.09 67.58 Average: 0 30.16 0.00 1.46 0.12 0.09 68.17 Average: 1 30.52 0.00 1.44 0.14 0.09 67.82 Average: 2 31.50 0.00 1.53 0.16 0.09 66.73 Average: 3 30.80 0.00 1.37 0.16 0.09 67.59