---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20774 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: 5599.99 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 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 694 9239 4 6055 14952 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:9e:85:39 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.202/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84558sec preferred_lft 84558sec inet6 fe80::f816:3eff:fe9e:8539/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6a:48:0c:d5:48:bf 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-20774) 02/26/26 _x86_64_ (4 CPU) 01:08:19 LINUX RESTART (4 CPU) 01:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:00 46.05 3.78 25.15 17.12 581.79 5056.83 267255.90 01:30:00 19.96 0.16 17.21 2.59 4.99 1636.16 26303.41 Average: 33.01 1.97 21.18 9.86 293.39 3346.49 146779.65 01:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:00 9852580 13439412 2519548 15.39 131864 3576932 2742684 15.74 819620 5303656 21792 01:30:00 9319508 13260240 2694864 16.46 152968 3881840 3175096 18.23 945616 5686572 12864 Average: 9586044 13349826 2607206 15.92 142416 3729386 2958890 16.98 882618 5495114 17328 01:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:00 lo 19.09 19.09 4.10 4.10 0.00 0.00 0.00 0.00 01:20:00 ens3 82.70 65.54 789.24 13.71 0.00 0.00 0.00 0.00 01:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:00 lo 1078.61 1078.61 994.26 994.26 0.00 0.00 0.00 0.00 01:30:00 ens3 39.02 27.96 246.74 6.14 0.00 0.00 0.00 0.00 01:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 548.85 548.85 499.18 499.18 0.00 0.00 0.00 0.00 Average: ens3 60.86 46.75 517.99 9.93 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-20774) 02/26/26 _x86_64_ (4 CPU) 01:08:19 LINUX RESTART (4 CPU) 01:10:00 CPU %user %nice %system %iowait %steal %idle 01:20:00 all 38.55 0.00 1.43 0.47 0.08 59.47 01:20:00 0 37.59 0.00 1.36 0.46 0.08 60.51 01:20:00 1 39.58 0.00 1.48 0.66 0.08 58.20 01:20:00 2 37.38 0.00 1.44 0.45 0.08 60.66 01:20:00 3 39.65 0.00 1.45 0.31 0.08 58.52 01:30:00 all 25.21 0.00 1.38 0.16 0.08 73.16 01:30:00 0 26.01 0.00 1.69 0.19 0.09 72.02 01:30:00 1 24.18 0.00 1.23 0.31 0.09 74.19 01:30:00 2 25.76 0.00 1.36 0.07 0.08 72.73 01:30:00 3 24.88 0.00 1.25 0.08 0.08 73.71 Average: all 31.88 0.00 1.41 0.31 0.08 66.32 Average: 0 31.80 0.00 1.52 0.33 0.08 66.27 Average: 1 31.88 0.00 1.36 0.48 0.08 66.20 Average: 2 31.57 0.00 1.40 0.26 0.08 66.69 Average: 3 32.27 0.00 1.35 0.19 0.08 66.11