---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-41744 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 13G 65G 17% / 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 675 7931 4 7382 14970 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:2a:0f:c7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.125/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83558sec preferred_lft 83558sec inet6 fe80::f816:3eff:fe2a:fc7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:3f:45:bb:e6:8e 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-41744) 08/27/26 _x86_64_ (4 CPU) 21:00:00 LINUX RESTART (4 CPU) 21:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:10:01 85.27 26.14 44.12 15.01 2409.29 16589.66 252653.14 21:20:01 22.32 0.07 19.49 2.76 6.96 2329.60 6372.77 21:30:01 35.06 0.02 31.46 3.58 0.49 4625.98 13825.65 21:40:01 8.85 0.02 8.46 0.36 0.60 6356.22 52125.40 Average: 37.89 6.57 25.88 5.43 605.01 7479.26 81319.02 21:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:10:01 10359244 13895636 2063584 12.60 131136 3546748 2316956 13.30 587112 5052852 68776 21:20:01 8405328 12419108 3535072 21.59 153532 3956680 3642996 20.91 750100 6792208 17812 21:30:01 7354316 12429368 3520064 21.50 173448 4949840 3531960 20.27 1045392 7502472 32400 21:40:01 6014696 12858420 3085208 18.84 189040 6643892 3095748 17.77 1709868 8107908 10476 Average: 8033396 12900633 3050982 18.63 161789 4774290 3146915 18.06 1023118 6863860 32366 21:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:10:01 lo 291.10 291.10 277.09 277.09 0.00 0.00 0.00 0.00 21:10:01 ens3 156.31 121.97 1765.83 21.85 0.00 0.00 0.00 0.00 21:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:01 lo 1260.26 1260.26 1194.75 1194.75 0.00 0.00 0.00 0.00 21:20:01 ens3 38.98 30.64 47.63 12.83 0.00 0.00 0.00 0.00 21:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:30:01 lo 1523.38 1523.38 1451.59 1451.59 0.00 0.00 0.00 0.00 21:30:01 ens3 38.17 28.99 26.89 13.12 0.00 0.00 0.00 0.00 21:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:40:01 lo 2522.83 2522.83 9280.67 9280.67 0.00 0.00 0.00 0.00 21:40:01 ens3 17.25 16.48 121.19 4.17 0.00 0.00 0.00 0.00 21:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1399.25 1399.25 3052.14 3052.14 0.00 0.00 0.00 0.00 Average: ens3 62.70 49.54 490.89 12.99 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-41744) 08/27/26 _x86_64_ (4 CPU) 21:00:00 LINUX RESTART (4 CPU) 21:00:00 CPU %user %nice %system %iowait %steal %idle 21:10:01 all 18.60 0.00 1.47 0.74 0.01 79.18 21:10:01 0 18.17 0.00 1.27 0.63 0.01 79.92 21:10:01 1 18.11 0.00 1.41 0.87 0.01 79.60 21:10:01 2 18.20 0.00 1.36 0.83 0.01 79.60 21:10:01 3 19.91 0.00 1.83 0.64 0.01 77.60 21:20:01 all 62.44 0.00 2.41 0.06 0.03 35.07 21:20:01 0 62.48 0.00 2.51 0.09 0.03 34.90 21:20:01 1 62.86 0.00 2.22 0.06 0.03 34.83 21:20:01 2 61.98 0.00 2.31 0.04 0.04 35.63 21:20:01 3 62.42 0.00 2.59 0.05 0.03 34.91 21:30:01 all 59.79 0.00 2.74 0.12 0.03 37.32 21:30:01 0 60.06 0.00 2.54 0.10 0.03 37.28 21:30:01 1 59.36 0.00 2.49 0.13 0.03 38.00 21:30:01 2 60.19 0.00 2.85 0.11 0.02 36.83 21:30:01 3 59.56 0.00 3.09 0.15 0.03 37.17 21:40:01 all 31.26 0.00 1.41 0.10 0.02 67.21 21:40:01 0 33.40 0.00 1.21 0.17 0.02 65.21 21:40:01 1 32.99 0.00 2.12 0.02 0.02 64.84 21:40:01 2 34.54 0.00 0.87 0.05 0.03 64.52 21:40:01 3 24.09 0.00 1.44 0.18 0.01 74.27 Average: all 42.98 0.00 2.01 0.26 0.02 54.73 Average: 0 43.50 0.00 1.88 0.25 0.02 54.36 Average: 1 43.29 0.00 2.06 0.27 0.02 54.36 Average: 2 43.68 0.00 1.85 0.26 0.02 54.19 Average: 3 41.47 0.00 2.24 0.26 0.02 56.01