---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-42376 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 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 694 9582 4 5711 14951 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:86:86:a9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.229/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84182sec preferred_lft 84182sec inet6 fe80::f816:3eff:fe86:86a9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:24:48:a5:e4:b2 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-42376) 08/29/26 _x86_64_ (4 CPU) 06:27:15 LINUX RESTART (4 CPU) 06:30:38 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:04 14.77 2.73 11.31 0.74 150.31 3745.30 3149.92 06:50:05 32.22 0.13 28.62 3.48 6.40 2976.43 17498.35 07:00:27 25.11 0.18 21.82 3.11 10.67 6493.52 85381.47 Average: 24.23 0.97 20.78 2.48 53.45 4442.43 36552.17 06:30:38 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:04 10229104 13770372 2188036 13.36 146756 3503168 2702456 15.51 621420 5128124 48172 06:50:05 9188408 13236320 2717288 16.60 172004 3943636 3067952 17.61 774300 5950860 29616 07:00:27 9873728 15359944 586196 3.58 205296 5254468 1110436 6.37 929320 5007916 296 Average: 9763747 14122212 1830507 11.18 174685 4233757 2293615 13.17 775013 5362300 26028 06:30:38 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:04 lo 352.29 352.29 335.48 335.48 0.00 0.00 0.00 0.00 06:40:04 ens3 83.77 70.40 872.17 14.73 0.00 0.00 0.00 0.00 06:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:05 lo 1724.58 1724.58 1644.38 1644.38 0.00 0.00 0.00 0.00 06:50:05 ens3 43.01 34.38 214.41 12.76 0.00 0.00 0.00 0.00 06:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:27 lo 300.90 300.90 284.05 284.05 0.00 0.00 0.00 0.00 07:00:27 ens3 46.15 39.44 108.88 56.20 0.00 0.00 0.00 0.00 07:00:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 795.22 795.22 757.11 757.11 0.00 0.00 0.00 0.00 Average: ens3 57.00 47.54 385.98 28.48 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-42376) 08/29/26 _x86_64_ (4 CPU) 06:27:15 LINUX RESTART (4 CPU) 06:30:38 CPU %user %nice %system %iowait %steal %idle 06:40:04 all 34.28 0.00 1.37 0.08 0.01 64.26 06:40:04 0 33.42 0.00 1.24 0.05 0.01 65.29 06:40:04 1 32.85 0.00 1.20 0.05 0.01 65.88 06:40:04 2 36.02 0.00 1.17 0.04 0.01 62.75 06:40:04 3 34.83 0.00 1.87 0.18 0.02 63.10 06:50:05 all 60.89 0.00 2.92 0.09 0.02 36.08 06:50:05 0 59.66 0.00 2.86 0.07 0.02 37.39 06:50:05 1 60.25 0.00 2.88 0.08 0.02 36.78 06:50:05 2 62.00 0.00 2.87 0.07 0.03 35.03 06:50:05 3 61.63 0.00 3.05 0.16 0.03 35.14 07:00:27 all 54.16 0.00 2.27 0.09 0.02 43.45 07:00:27 0 50.39 0.00 2.01 0.05 0.02 47.52 07:00:27 1 55.52 0.00 2.13 0.04 0.02 42.30 07:00:27 2 55.64 0.00 2.78 0.10 0.02 41.46 07:00:27 3 55.11 0.00 2.15 0.17 0.03 42.53 Average: all 50.12 0.00 2.20 0.09 0.02 47.57 Average: 0 48.13 0.00 2.05 0.05 0.02 49.74 Average: 1 49.92 0.00 2.09 0.05 0.01 47.92 Average: 2 51.56 0.00 2.30 0.07 0.02 46.05 Average: 3 50.87 0.00 2.36 0.17 0.03 46.57