---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-41742 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 678 8154 4 7156 14967 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:eb:a7:6b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.39/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83529sec preferred_lft 83529sec inet6 fe80::f816:3eff:feeb:a76b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:42:a9:10:93:97 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-41742) 08/27/26 _x86_64_ (4 CPU) 20:59:28 LINUX RESTART (4 CPU) 21:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:10:01 62.13 10.55 37.08 14.50 1467.54 5663.48 241444.48 21:20:10 22.68 0.07 19.88 2.72 6.88 2366.24 4384.23 21:30:10 32.40 0.02 29.04 3.33 0.52 3186.64 9988.49 21:40:01 10.12 0.03 9.69 0.41 0.70 7743.43 52493.79 Average: 31.90 2.67 23.97 5.26 369.80 4720.75 77028.76 21:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:10:01 10576924 13844032 2117444 12.93 125552 3292592 2457400 14.11 550036 4890072 26360 21:20:10 9443680 13240132 2716184 16.59 148044 3751608 2717416 15.60 724804 5795500 5648 21:30:10 7626540 12478528 3472544 21.21 167880 4738872 3377556 19.39 1019244 7266004 423324 21:40:01 6259488 12872876 3072112 18.76 179800 6429080 3026976 17.37 1685196 7899556 19636 Average: 8476658 13108892 2844571 17.37 155319 4553038 2894837 16.62 994820 6462783 118742 21:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:10:01 lo 323.79 323.79 308.15 308.15 0.00 0.00 0.00 0.00 21:10:01 ens3 142.47 109.73 1387.14 21.13 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 21:20:10 lo 1354.49 1354.49 1284.46 1284.46 0.00 0.00 0.00 0.00 21:20:10 ens3 39.73 31.99 72.36 12.74 0.00 0.00 0.00 0.00 21:20:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:30:10 lo 1479.39 1479.39 1409.91 1409.91 0.00 0.00 0.00 0.00 21:30:10 ens3 32.86 26.57 28.88 11.64 0.00 0.00 0.00 0.00 21:30:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:40:01 lo 2555.56 2555.56 9431.53 9431.53 0.00 0.00 0.00 0.00 21:40:01 ens3 18.44 17.34 123.52 4.10 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 1422.98 1422.98 3076.02 3076.02 0.00 0.00 0.00 0.00 Average: ens3 58.52 46.51 403.55 12.44 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-41742) 08/27/26 _x86_64_ (4 CPU) 20:59:28 LINUX RESTART (4 CPU) 21:00:00 CPU %user %nice %system %iowait %steal %idle 21:10:01 all 18.36 0.00 1.25 0.44 0.01 79.95 21:10:01 0 16.70 0.00 1.25 0.57 0.00 81.48 21:10:01 1 19.92 0.00 1.49 0.59 0.01 77.99 21:10:01 2 17.48 0.00 1.14 0.28 0.01 81.09 21:10:01 3 19.32 0.00 1.11 0.30 0.01 79.26 21:20:10 all 66.16 0.00 2.50 0.05 0.02 31.26 21:20:10 0 66.39 0.00 2.53 0.05 0.02 31.01 21:20:10 1 67.95 0.00 2.97 0.06 0.02 29.01 21:20:10 2 64.36 0.00 2.28 0.06 0.01 33.28 21:20:10 3 65.95 0.00 2.22 0.05 0.02 31.76 21:30:10 all 62.39 0.00 2.90 0.11 0.02 34.58 21:30:10 0 61.73 0.00 2.93 0.15 0.02 35.18 21:30:10 1 61.72 0.00 3.21 0.17 0.03 34.87 21:30:10 2 64.12 0.00 2.87 0.08 0.02 32.92 21:30:10 3 61.98 0.00 2.59 0.06 0.02 35.34 21:40:01 all 30.54 0.00 1.42 0.14 0.01 67.89 21:40:01 0 30.78 0.00 1.46 0.11 0.02 67.64 21:40:01 1 28.02 0.00 1.38 0.02 0.02 70.57 21:40:01 2 34.85 0.00 1.74 0.34 0.02 63.06 21:40:01 3 28.52 0.00 1.09 0.10 0.01 70.28 Average: all 44.47 0.00 2.02 0.19 0.01 53.31 Average: 0 44.00 0.00 2.05 0.22 0.01 53.72 Average: 1 44.53 0.00 2.27 0.21 0.02 52.98 Average: 2 45.29 0.00 2.01 0.19 0.02 52.50 Average: 3 44.05 0.00 1.76 0.13 0.01 54.05