---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25850 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 626 9527 4 5835 15020 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:6f:76:7f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.176/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84530sec preferred_lft 84530sec inet6 fe80::f816:3eff:fe6f:767f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ae:95:1d:54:f3:56 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-25850) 03/03/26 _x86_64_ (4 CPU) 01:07:09 LINUX RESTART (4 CPU) 01:10:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:30 37.70 1.94 19.62 16.14 126.55 3023.89 286278.48 01:30:01 22.24 0.16 19.13 2.94 5.23 1649.95 30478.77 Average: 30.29 1.09 19.39 9.81 68.40 2365.29 163659.69 01:10:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:30 9577700 12952624 3006788 18.36 130272 3368432 3243792 18.62 678808 5735904 116 01:30:01 9277704 13087536 2868648 17.52 151012 3753432 3320832 19.06 803436 5860052 104164 Average: 9427702 13020080 2937718 17.94 140642 3560932 3282312 18.84 741122 5797978 52140 01:10:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:30 lo 29.98 29.98 6.90 6.90 0.00 0.00 0.00 0.00 01:20:30 ens3 38.71 29.07 164.19 7.90 0.00 0.00 0.00 0.00 01:20:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:01 lo 1246.73 1246.73 1162.25 1162.25 0.00 0.00 0.00 0.00 01:30:01 ens3 44.53 32.94 274.55 6.92 0.00 0.00 0.00 0.00 01:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 613.23 613.23 560.72 560.72 0.00 0.00 0.00 0.00 Average: ens3 41.50 30.92 217.09 7.43 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-25850) 03/03/26 _x86_64_ (4 CPU) 01:07:09 LINUX RESTART (4 CPU) 01:10:11 CPU %user %nice %system %iowait %steal %idle 01:20:30 all 35.33 0.00 1.27 0.15 0.08 63.16 01:20:30 0 35.58 0.00 1.14 0.08 0.09 63.11 01:20:30 1 35.33 0.00 1.26 0.16 0.08 63.17 01:20:30 2 34.48 0.00 1.20 0.17 0.08 64.07 01:20:30 3 35.94 0.00 1.49 0.19 0.08 62.30 01:30:01 all 25.40 0.00 1.44 0.08 0.08 73.00 01:30:01 0 25.69 0.00 1.38 0.06 0.08 72.79 01:30:01 1 24.50 0.00 1.39 0.05 0.08 73.98 01:30:01 2 25.69 0.00 1.40 0.03 0.08 72.80 01:30:01 3 25.73 0.00 1.61 0.17 0.08 72.42 Average: all 30.57 0.00 1.36 0.11 0.08 67.88 Average: 0 30.83 0.00 1.25 0.07 0.09 67.76 Average: 1 30.13 0.00 1.33 0.10 0.08 68.36 Average: 2 30.27 0.00 1.29 0.10 0.08 68.25 Average: 3 31.04 0.00 1.55 0.18 0.08 67.15