---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-176838 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 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 679 9366 4 5942 14966 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:d5:84:fe brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.108/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84737sec preferred_lft 84737sec inet6 fe80::f816:3eff:fed5:84fe/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 32:04:50:8e:41:61 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-176838) 03/07/26 _x86_64_ (4 CPU) 07:17:47 LINUX RESTART (4 CPU) 07:20:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:30:02 26.86 2.41 20.92 3.54 536.61 3985.64 48920.92 07:40:02 22.32 0.15 18.85 3.31 4.65 1571.41 29795.96 Average: 24.59 1.28 19.88 3.43 270.63 2778.53 39358.44 07:20:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:30:02 9427808 12979844 2978932 18.19 128864 3547768 3248116 18.64 808292 5749652 416 07:40:02 9124320 13004704 2951156 18.02 147040 3836168 2988708 17.16 931572 5902164 19292 Average: 9276064 12992274 2965044 18.11 137952 3691968 3118412 17.90 869932 5825908 9854 07:20:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:30:02 lo 25.83 25.83 5.94 5.94 0.00 0.00 0.00 0.00 07:30:02 ens3 46.22 35.22 329.74 6.66 0.00 0.00 0.00 0.00 07:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:02 lo 1511.55 1511.55 1414.72 1414.72 0.00 0.00 0.00 0.00 07:40:02 ens3 35.96 26.19 259.96 4.80 0.00 0.00 0.00 0.00 07:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 768.69 768.69 710.33 710.33 0.00 0.00 0.00 0.00 Average: ens3 41.09 30.71 294.85 5.73 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-176838) 03/07/26 _x86_64_ (4 CPU) 07:17:47 LINUX RESTART (4 CPU) 07:20:02 CPU %user %nice %system %iowait %steal %idle 07:30:02 all 37.25 0.00 1.35 0.16 0.09 61.15 07:30:02 0 35.92 0.00 1.18 0.16 0.08 62.66 07:30:02 1 38.24 0.00 1.73 0.15 0.09 59.80 07:30:02 2 36.00 0.00 1.38 0.19 0.09 62.35 07:30:02 3 38.86 0.00 1.12 0.15 0.08 59.78 07:40:02 all 32.00 0.00 1.71 0.07 0.09 66.13 07:40:02 0 30.63 0.00 1.52 0.05 0.08 67.72 07:40:02 1 31.11 0.00 1.62 0.10 0.08 67.08 07:40:02 2 32.81 0.00 1.71 0.05 0.09 65.34 07:40:02 3 33.45 0.00 2.01 0.07 0.09 64.38 Average: all 34.63 0.00 1.53 0.12 0.09 63.64 Average: 0 33.28 0.00 1.35 0.10 0.08 65.19 Average: 1 34.67 0.00 1.67 0.13 0.09 63.44 Average: 2 34.40 0.00 1.55 0.12 0.09 63.84 Average: 3 36.16 0.00 1.56 0.11 0.09 62.08