---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-46115 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 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 659 8589 4 6740 14986 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:62:fa:98 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.178/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83802sec preferred_lft 83802sec inet6 fe80::f816:3eff:fe62:fa98/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f6:cd:8e:1d:7d:ca 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-46115) 08/30/26 _x86_64_ (4 CPU) 13:57:46 LINUX RESTART (4 CPU) 14:00:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:10:04 18.42 2.97 14.16 1.30 158.32 3039.64 2097.78 14:20:13 22.21 0.07 19.58 2.55 6.90 2270.84 19948.30 14:30:13 28.62 0.04 25.75 2.84 0.71 4148.79 25220.52 14:40:00 10.69 0.16 9.10 1.42 10.71 6386.70 1949.18 Average: 20.05 0.80 17.21 2.04 43.80 3945.71 12422.84 14:00:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:10:04 10664648 14023304 1936828 11.83 130452 3369536 2236280 12.84 573048 4751356 16456 14:20:13 8652692 12675648 3279844 20.03 154676 3957968 3352404 19.24 748580 6544652 180556 14:30:13 7043384 11867492 4083760 24.94 171136 4707392 4007240 23.00 1010536 7845728 132 14:40:00 8925140 15467064 477484 2.92 190280 6350960 999936 5.74 1666712 5227784 304 Average: 8821466 13508377 2444479 14.93 161636 4596464 2648965 15.21 999719 6092380 49362 14:00:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:10:04 lo 743.20 743.20 708.59 708.59 0.00 0.00 0.00 0.00 14:10:04 ens3 108.67 87.17 1072.78 16.89 0.00 0.00 0.00 0.00 14:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:13 lo 1286.73 1286.73 1219.29 1219.29 0.00 0.00 0.00 0.00 14:20:13 ens3 35.56 28.40 44.71 11.67 0.00 0.00 0.00 0.00 14:20:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:13 lo 1126.31 1126.31 1067.52 1067.52 0.00 0.00 0.00 0.00 14:30:13 ens3 30.25 24.97 27.95 10.31 0.00 0.00 0.00 0.00 14:30:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:00 lo 2632.03 2632.03 9492.93 9492.93 0.00 0.00 0.00 0.00 14:40:00 ens3 83.27 92.99 122.70 1072.34 0.00 0.00 0.00 0.00 14:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1442.60 1442.60 3089.57 3089.57 0.00 0.00 0.00 0.00 Average: ens3 64.08 57.99 314.45 273.50 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-46115) 08/30/26 _x86_64_ (4 CPU) 13:57:46 LINUX RESTART (4 CPU) 14:00:13 CPU %user %nice %system %iowait %steal %idle 14:10:04 all 24.57 0.00 1.34 0.08 0.01 74.00 14:10:04 0 25.03 0.00 1.32 0.04 0.01 73.60 14:10:04 1 24.40 0.00 1.28 0.18 0.01 74.13 14:10:04 2 24.14 0.00 1.51 0.04 0.01 74.30 14:10:04 3 24.71 0.00 1.24 0.05 0.01 73.99 14:20:13 all 64.81 0.00 2.38 0.05 0.04 32.73 14:20:13 0 66.49 0.00 2.46 0.03 0.05 30.98 14:20:13 1 62.70 0.00 2.37 0.07 0.03 34.84 14:20:13 2 64.73 0.00 2.22 0.06 0.04 32.95 14:20:13 3 65.32 0.00 2.46 0.06 0.04 32.13 14:30:13 all 50.26 0.00 2.39 0.11 0.03 47.20 14:30:13 0 50.47 0.00 2.49 0.11 0.03 46.90 14:30:13 1 48.64 0.00 2.14 0.12 0.03 49.08 14:30:13 2 52.71 0.00 2.60 0.14 0.04 44.51 14:30:13 3 49.22 0.00 2.33 0.09 0.03 48.32 14:40:00 all 30.88 0.00 1.38 0.12 0.03 67.59 14:40:00 0 24.63 0.00 1.39 0.26 0.02 73.70 14:40:00 1 37.50 0.00 1.21 0.10 0.03 61.16 14:40:00 2 39.21 0.00 1.33 0.02 0.04 59.40 14:40:00 3 22.18 0.00 1.61 0.11 0.02 76.09 Average: all 42.83 0.00 1.88 0.09 0.03 55.17 Average: 0 41.89 0.00 1.92 0.11 0.03 56.05 Average: 1 43.47 0.00 1.75 0.12 0.02 54.63 Average: 2 45.37 0.00 1.92 0.06 0.03 52.61 Average: 3 40.60 0.00 1.92 0.08 0.02 57.39