---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53061 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: 5599.94 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 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 705 9707 4 5576 14941 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:5d:e8:d2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.129/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84481sec preferred_lft 84481sec inet6 fe80::f816:3eff:fe5d:e8d2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:be:a0:1d:ba:85 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-53061) 03/26/26 _x86_64_ (4 CPU) 06:28:28 LINUX RESTART (4 CPU) 06:30:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:18 39.15 15.05 22.83 1.27 305.87 5369.78 2368.66 06:50:00 34.59 0.04 30.94 3.61 1.69 3274.41 14650.10 07:00:17 21.19 0.31 17.98 2.90 14.09 5515.33 2739.18 Average: 31.58 5.22 23.79 2.57 108.95 4746.29 6439.23 06:30:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:18 9864568 13507044 2449988 14.96 153972 3572136 2813112 16.15 723920 5361184 22680 06:50:00 8640160 12833252 3118772 19.05 184656 4045984 3265084 18.74 867428 6354936 21572 07:00:17 9947456 15299352 647060 3.95 207944 5114768 1169324 6.71 962772 4901508 12252 Average: 9484061 13879883 2071940 12.65 182191 4244296 2415840 13.87 851373 5539209 18835 06:30:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:18 lo 490.35 490.35 467.12 467.12 0.00 0.00 0.00 0.00 06:40:18 ens3 102.75 79.61 872.08 18.10 0.00 0.00 0.00 0.00 06:40:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:00 lo 1791.08 1791.08 1707.52 1707.52 0.00 0.00 0.00 0.00 06:50:00 ens3 40.75 32.39 121.03 11.31 0.00 0.00 0.00 0.00 06:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:17 lo 11.69 11.69 2.67 2.67 0.00 0.00 0.00 0.00 07:00:17 ens3 71.96 71.05 119.79 223.95 0.00 0.00 0.00 0.00 07:00:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 745.34 745.34 707.56 707.56 0.00 0.00 0.00 0.00 Average: ens3 72.37 61.53 375.02 85.92 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-53061) 03/26/26 _x86_64_ (4 CPU) 06:28:28 LINUX RESTART (4 CPU) 06:30:03 CPU %user %nice %system %iowait %steal %idle 06:40:18 all 47.77 0.06 1.60 0.11 0.07 50.39 06:40:18 0 46.49 0.00 1.67 0.07 0.07 51.70 06:40:18 1 46.76 0.01 1.69 0.15 0.07 51.33 06:40:18 2 48.77 0.00 1.43 0.04 0.07 49.69 06:40:18 3 49.07 0.25 1.61 0.16 0.07 48.84 06:50:00 all 59.11 0.00 2.44 2.23 0.08 36.14 06:50:00 0 57.91 0.00 2.20 1.21 0.09 38.59 06:50:00 1 58.61 0.00 2.20 0.36 0.08 38.74 06:50:00 2 58.85 0.00 2.80 0.64 0.08 37.63 06:50:00 3 61.07 0.00 2.54 6.73 0.08 29.58 07:00:17 all 43.20 0.00 1.46 0.21 0.08 55.05 07:00:17 0 35.56 0.00 1.22 0.09 0.07 63.06 07:00:17 1 48.80 0.00 1.72 0.29 0.08 49.12 07:00:17 2 42.10 0.00 1.59 0.27 0.08 55.96 07:00:17 3 46.36 0.00 1.30 0.21 0.08 52.05 Average: all 49.85 0.02 1.82 0.82 0.08 47.41 Average: 0 46.43 0.00 1.69 0.44 0.08 51.37 Average: 1 51.26 0.00 1.86 0.26 0.08 46.54 Average: 2 49.74 0.00 1.92 0.31 0.08 47.95 Average: 3 52.00 0.08 1.80 2.28 0.08 43.76