---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-41982 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: 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 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 658 8196 4 7135 14987 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:65:6d:eb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.38/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83775sec preferred_lft 83775sec inet6 fe80::f816:3eff:fe65:6deb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5e:51:38:a0:10:18 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-41982) 08/28/26 _x86_64_ (4 CPU) 07:57:16 LINUX RESTART (4 CPU) 08:00:48 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:10:02 38.47 3.20 18.92 16.35 175.38 3855.53 262748.92 08:20:23 25.96 0.02 23.03 2.92 0.41 2207.46 15150.69 08:30:48 20.73 0.03 18.82 1.88 0.63 3621.57 15125.77 08:40:01 12.56 0.16 10.85 1.55 10.75 7999.39 55661.68 Average: 24.37 0.80 18.08 5.49 44.13 4333.58 83020.27 08:00:48 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:10:02 10225288 13750696 2208232 13.49 136548 3515952 2398036 13.76 641968 5120880 16972 08:20:23 9360048 13319448 2635296 16.10 156040 3894408 2660992 15.27 767796 5818116 23968 08:30:48 5817720 10695748 5255928 32.10 168588 4762832 5126632 29.43 1036524 9042276 4 08:40:01 8461300 15407564 536248 3.28 184712 6748984 1026408 5.89 1793016 5542384 2756 Average: 8466089 13293364 2658926 16.24 161472 4730544 2803017 16.09 1059826 6380914 10925 08:00:48 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:10:02 lo 1038.24 1038.24 987.60 987.60 0.00 0.00 0.00 0.00 08:10:02 ens3 116.40 93.91 1172.63 18.93 0.00 0.00 0.00 0.00 08:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:23 lo 1388.23 1388.23 1317.89 1317.89 0.00 0.00 0.00 0.00 08:20:23 ens3 34.30 27.40 19.47 11.61 0.00 0.00 0.00 0.00 08:20:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:48 lo 743.72 743.72 931.83 931.83 0.00 0.00 0.00 0.00 08:30:48 ens3 21.63 17.40 19.78 7.24 0.00 0.00 0.00 0.00 08:30:48 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:01 lo 2746.76 2746.76 9795.36 9795.36 0.00 0.00 0.00 0.00 08:40:01 ens3 105.93 116.63 165.62 1375.90 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 Average: lo 1454.38 1454.38 3132.04 3132.04 0.00 0.00 0.00 0.00 Average: ens3 67.14 61.41 325.67 333.14 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-41982) 08/28/26 _x86_64_ (4 CPU) 07:57:16 LINUX RESTART (4 CPU) 08:00:48 CPU %user %nice %system %iowait %steal %idle 08:10:02 all 42.58 0.00 1.90 0.11 0.02 55.39 08:10:02 0 42.93 0.00 1.86 0.10 0.02 55.08 08:10:02 1 42.25 0.00 2.18 0.15 0.02 55.40 08:10:02 2 42.60 0.00 1.75 0.12 0.02 55.51 08:10:02 3 42.54 0.00 1.83 0.05 0.02 55.55 08:20:23 all 67.01 0.00 2.56 0.07 0.03 30.34 08:20:23 0 69.00 0.00 2.67 0.06 0.03 28.24 08:20:23 1 67.05 0.00 2.52 0.06 0.03 30.34 08:20:23 2 66.71 0.00 2.53 0.08 0.02 30.66 08:20:23 3 65.27 0.00 2.51 0.07 0.03 32.12 08:30:48 all 39.86 0.00 1.79 0.15 0.04 58.16 08:30:48 0 41.17 0.00 1.81 0.10 0.04 56.88 08:30:48 1 36.91 0.00 1.81 0.12 0.04 61.12 08:30:48 2 41.16 0.00 1.76 0.26 0.04 56.78 08:30:48 3 40.20 0.00 1.78 0.12 0.04 57.86 08:40:01 all 32.32 0.00 1.53 0.20 0.03 65.92 08:40:01 0 28.85 0.00 1.59 0.39 0.02 69.14 08:40:01 1 37.19 0.00 2.05 0.06 0.03 60.68 08:40:01 2 35.23 0.00 1.30 0.34 0.03 63.10 08:40:01 3 28.02 0.00 1.20 0.02 0.02 70.73 Average: all 45.89 0.00 1.96 0.13 0.03 51.99 Average: 0 46.02 0.00 2.00 0.16 0.03 51.80 Average: 1 46.19 0.00 2.14 0.10 0.03 51.54 Average: 2 46.84 0.00 1.85 0.20 0.03 51.08 Average: 3 44.49 0.00 1.85 0.07 0.03 53.56