---> uname -a: Linux prd-ubuntu2204-docker-v1-8c-8g-7224 5.15.0-194-generic #204-Ubuntu SMP Wed Sep 2 13:09:23 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: 5600.02 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 15G 63G 19% / 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 630 7677 4 7682 15015 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:36:58:45 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.204/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84105sec preferred_lft 84105sec inet6 fe80::f816:3eff:fe36:5845/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:ba:ba:9e:51:8b 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 5.15.0-194-generic (prd-ubuntu2204-docker-v1-8c-8g-7224) 10/05/26 _x86_64_ (4 CPU) 10:24:33 LINUX RESTART (4 CPU) 10:30:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:40:05 248.32 7.54 236.07 4.71 377.64 14215.43 49836.07 10:50:05 80.65 1.78 76.71 2.16 95.98 3805.46 11757.49 11:00:05 111.99 1.70 105.91 4.38 130.73 10641.87 18490.44 Average: 146.99 3.67 139.56 3.75 201.45 9554.26 26694.67 10:30:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:40:05 6921688 12690444 3253928 19.87 176292 5659284 3758068 21.57 845652 8129384 1712 10:50:05 7922448 13825704 2122116 12.96 184640 5769640 2224784 12.77 879996 7059248 176 11:00:05 6435468 13878640 2060640 12.59 197288 7227116 2415732 13.87 1084004 8284136 59516 Average: 7093201 13464929 2478895 15.14 186073 6218680 2799528 16.07 936551 7824256 20468 10:30:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:40:05 lo 74.37 74.37 21.53 21.53 0.00 0.00 0.00 0.00 10:40:05 ens3 744.43 508.22 495.55 255.39 0.00 0.00 0.00 0.00 10:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:05 lo 7.76 7.76 2.09 2.09 0.00 0.00 0.00 0.00 10:50:05 ens3 117.88 88.23 162.07 43.70 0.00 0.00 0.00 0.00 10:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:05 lo 39.38 39.38 35.51 35.51 0.00 0.00 0.00 0.00 11:00:05 ens3 151.94 105.45 526.60 48.84 0.00 0.00 0.00 0.00 11:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 40.50 40.50 19.71 19.71 0.00 0.00 0.00 0.00 Average: ens3 338.08 233.97 394.74 115.98 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 5.15.0-194-generic (prd-ubuntu2204-docker-v1-8c-8g-7224) 10/05/26 _x86_64_ (4 CPU) 10:24:33 LINUX RESTART (4 CPU) 10:30:05 CPU %user %nice %system %iowait %steal %idle 10:40:05 all 35.27 0.00 3.59 2.61 0.02 58.50 10:40:05 0 36.86 0.00 3.15 2.16 0.03 57.79 10:40:05 1 37.51 0.00 4.15 3.00 0.02 55.32 10:40:05 2 33.39 0.00 3.59 2.19 0.02 60.81 10:40:05 3 33.34 0.00 3.46 3.10 0.02 60.08 10:50:05 all 20.31 0.00 1.00 0.75 0.01 77.94 10:50:05 0 20.37 0.00 1.23 0.97 0.01 77.41 10:50:05 1 21.90 0.00 0.70 0.75 0.01 76.65 10:50:05 2 19.48 0.00 0.81 0.61 0.00 79.10 10:50:05 3 19.49 0.00 1.24 0.66 0.01 78.61 11:00:05 all 40.83 0.00 1.53 1.05 0.02 56.56 11:00:05 0 43.26 0.00 1.86 1.12 0.03 53.74 11:00:05 1 38.12 0.00 1.30 1.56 0.02 59.00 11:00:05 2 44.63 0.00 1.61 0.85 0.02 52.89 11:00:05 3 37.37 0.00 1.37 0.68 0.01 60.57 Average: all 32.14 0.00 2.04 1.47 0.02 64.33 Average: 0 33.49 0.00 2.08 1.42 0.02 62.98 Average: 1 32.52 0.00 2.05 1.77 0.02 63.64 Average: 2 32.49 0.00 2.01 1.22 0.02 64.27 Average: 3 30.07 0.00 2.02 1.48 0.01 66.41