---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37684 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 nrip_save 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 684 8647 4 6657 14962 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:10:fb:e9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.101/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82821sec preferred_lft 82821sec inet6 fe80::f816:3eff:fe10:fbe9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:90:d1:ce:58:1e 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-37684) 08/15/26 _x86_64_ (4 CPU) 02:00:05 LINUX RESTART (4 CPU) 02:10:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:20:15 1.30 0.01 1.29 0.01 0.05 16.16 0.60 02:30:01 52.39 5.22 45.19 1.98 297.44 5689.31 5332.45 02:40:16 23.19 0.02 20.67 2.50 0.52 2124.14 7648.88 02:50:16 28.10 0.03 25.31 2.76 0.69 4198.29 11758.72 Average: 26.08 1.29 22.98 1.81 72.94 2987.06 6202.31 02:10:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:20:15 13636780 15507104 510180 3.12 57656 2038580 1135616 6.52 221452 2253872 180 02:30:01 9824748 13333700 2627048 16.04 122504 3527676 2813296 16.15 622208 5552832 65392 02:40:16 8535212 12605624 3350092 20.46 146092 4022364 3254392 18.68 780392 6643084 187476 02:50:16 7411952 12287664 3664340 22.38 162332 4776240 3331728 19.12 1021384 7482628 488 Average: 9852173 13433523 2537915 15.50 122146 3591215 2633758 15.12 661359 5483104 63384 02:10:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:20:15 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 02:20:15 ens3 1.20 0.11 0.10 0.04 0.00 0.00 0.00 0.00 02:20:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:30:01 lo 720.04 720.04 685.55 685.55 0.00 0.00 0.00 0.00 02:30:01 ens3 132.92 99.83 1283.30 18.29 0.00 0.00 0.00 0.00 02:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:40:16 lo 1390.28 1390.28 1318.87 1318.87 0.00 0.00 0.00 0.00 02:40:16 ens3 52.59 38.77 20.88 18.63 0.00 0.00 0.00 0.00 02:40:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:50:16 lo 1229.53 1229.53 1166.61 1166.61 0.00 0.00 0.00 0.00 02:50:16 ens3 46.27 34.46 26.14 13.03 0.00 0.00 0.00 0.00 02:50:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 839.56 839.56 797.09 797.09 0.00 0.00 0.00 0.00 Average: ens3 57.80 42.95 325.21 12.51 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-37684) 08/15/26 _x86_64_ (4 CPU) 02:00:05 LINUX RESTART (4 CPU) 02:10:16 CPU %user %nice %system %iowait %steal %idle 02:20:15 all 0.03 0.00 0.02 0.01 0.02 99.91 02:20:15 0 0.04 0.00 0.02 0.00 0.02 99.92 02:20:15 1 0.02 0.00 0.02 0.00 0.02 99.94 02:20:15 2 0.05 0.00 0.02 0.03 0.03 99.87 02:20:15 3 0.03 0.00 0.03 0.01 0.03 99.91 02:30:01 all 34.20 0.00 1.63 0.33 0.07 63.77 02:30:01 0 34.13 0.00 1.56 0.16 0.07 64.08 02:30:01 1 36.21 0.00 1.70 0.21 0.07 61.82 02:30:01 2 33.32 0.00 1.72 0.58 0.07 64.31 02:30:01 3 33.15 0.00 1.53 0.37 0.07 64.87 02:40:16 all 65.51 0.00 2.28 0.06 0.10 32.05 02:40:16 0 65.25 0.00 2.12 0.04 0.11 32.49 02:40:16 1 64.88 0.00 2.31 0.05 0.10 32.66 02:40:16 2 66.17 0.00 2.42 0.09 0.10 31.22 02:40:16 3 65.74 0.00 2.27 0.05 0.10 31.85 02:50:16 all 52.72 0.00 2.29 0.10 0.11 44.78 02:50:16 0 52.25 0.00 2.40 0.06 0.11 45.18 02:50:16 1 53.11 0.00 2.07 0.06 0.11 44.65 02:50:16 2 52.78 0.00 2.37 0.15 0.11 44.60 02:50:16 3 52.73 0.00 2.33 0.13 0.11 44.71 Average: all 38.32 0.00 1.56 0.12 0.08 59.92 Average: 0 38.12 0.00 1.53 0.06 0.08 60.21 Average: 1 38.73 0.00 1.53 0.08 0.07 59.59 Average: 2 38.31 0.00 1.64 0.21 0.08 59.77 Average: 3 38.11 0.00 1.54 0.14 0.08 60.13