---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53102 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: 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 66G 16% / 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 665 8819 4 6504 14981 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:76:bf:79 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.9/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84331sec preferred_lft 84331sec inet6 fe80::f816:3eff:fe76:bf79/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 86:3b:78:d1:39:ce 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-53102) 03/26/26 _x86_64_ (4 CPU) 08:19:20 LINUX RESTART (4 CPU) 08:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:30:01 67.32 5.17 58.85 3.30 290.34 6260.79 6155.20 08:40:01 23.13 0.02 20.65 2.46 0.23 2057.67 11242.39 08:50:00 29.97 0.03 14.86 15.08 0.53 3528.11 280787.14 Average: 40.16 1.74 31.48 6.94 97.18 3950.11 99224.61 08:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:30:01 9118096 12715684 3243096 19.81 133736 3589044 3289448 18.88 684416 6186460 211132 08:40:01 9026896 12823156 3132936 19.13 153984 3742796 3306652 18.98 756372 6182824 27556 08:50:00 7104652 12917968 3031452 18.51 165272 5680752 2995348 17.19 1447416 7323104 1181864 Average: 8416548 12818936 3135828 19.15 150997 4337531 3197149 18.35 962735 6564129 473517 08:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:30:01 lo 1467.18 1467.18 1392.72 1392.72 0.00 0.00 0.00 0.00 08:30:01 ens3 136.65 101.61 1211.20 19.52 0.00 0.00 0.00 0.00 08:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:01 lo 1071.09 1071.09 1020.26 1020.26 0.00 0.00 0.00 0.00 08:40:01 ens3 21.45 19.66 38.12 6.23 0.00 0.00 0.00 0.00 08:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:00 lo 726.10 726.10 7315.66 7315.66 0.00 0.00 0.00 0.00 08:50:00 ens3 20.80 16.74 87.91 5.04 0.00 0.00 0.00 0.00 08:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1088.54 1088.54 3239.15 3239.15 0.00 0.00 0.00 0.00 Average: ens3 59.69 46.05 446.32 10.27 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-53102) 03/26/26 _x86_64_ (4 CPU) 08:19:20 LINUX RESTART (4 CPU) 08:20:00 CPU %user %nice %system %iowait %steal %idle 08:30:01 all 62.20 0.00 2.75 0.51 0.18 34.36 08:30:01 0 60.73 0.00 2.77 0.92 0.19 35.38 08:30:01 1 63.33 0.00 2.72 0.59 0.20 33.16 08:30:01 2 61.57 0.00 2.82 0.20 0.19 35.22 08:30:01 3 63.19 0.00 2.68 0.30 0.14 33.68 08:40:01 all 64.49 0.00 2.30 0.72 0.16 32.34 08:40:01 0 65.15 0.00 2.23 0.25 0.16 32.22 08:40:01 1 63.81 0.00 2.11 1.45 0.16 32.47 08:40:01 2 64.51 0.00 2.36 0.80 0.16 32.16 08:40:01 3 64.49 0.00 2.49 0.37 0.15 32.51 08:50:00 all 45.50 0.00 1.79 1.60 0.17 50.94 08:50:00 0 45.97 0.00 1.69 0.62 0.15 51.56 08:50:00 1 48.29 0.00 1.61 0.84 0.19 49.07 08:50:00 2 41.60 0.00 2.00 3.60 0.16 52.64 08:50:00 3 46.10 0.00 1.88 1.36 0.18 50.48 Average: all 57.41 0.00 2.28 0.94 0.17 39.20 Average: 0 57.30 0.00 2.23 0.60 0.17 39.71 Average: 1 58.48 0.00 2.15 0.96 0.18 38.22 Average: 2 55.93 0.00 2.40 1.53 0.17 39.98 Average: 3 57.93 0.00 2.35 0.67 0.16 38.88