---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7092 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7 15:06:04 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 11G 68G 14% / 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 712 10583 4 4693 14933 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:35:07:f8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.223/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84875sec preferred_lft 84875sec inet6 fe80::f816:3eff:fe35:7f8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 82:4e:f2:57:00:c0 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-7092) 09/11/26 _x86_64_ (4 CPU) 07:57:38 LINUX RESTART (4 CPU) 08:00:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:10:19 71.39 2.21 46.79 22.39 154.02 6287.53 269591.46 08:20:01 20.21 0.19 17.15 2.86 11.06 2552.69 6614.93 Average: 46.40 1.23 32.32 12.85 84.22 4464.02 141194.89 08:00:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:10:19 9690380 13666804 2286920 13.97 177232 3885652 2528696 14.51 651896 5600896 134836 08:20:01 10934500 15376584 574100 3.51 205244 4287480 1145960 6.58 805668 4159424 220 Average: 10312440 14521694 1430510 8.74 191238 4086566 1837328 10.55 728782 4880160 67528 08:00:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:10:19 lo 4970.45 4970.45 4740.32 4740.32 0.00 0.00 0.00 0.00 08:10:19 ens3 158.78 111.32 702.71 33.54 0.00 0.00 0.00 0.00 08:10:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:01 lo 1386.21 1386.21 1309.17 1309.17 0.00 0.00 0.00 0.00 08:20:01 ens3 88.25 82.01 142.57 134.78 0.00 0.00 0.00 0.00 08:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3220.47 3220.47 3065.08 3065.08 0.00 0.00 0.00 0.00 Average: ens3 124.35 97.01 429.23 82.97 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-7092) 09/11/26 _x86_64_ (4 CPU) 07:57:38 LINUX RESTART (4 CPU) 08:00:10 CPU %user %nice %system %iowait %steal %idle 08:10:19 all 65.57 0.00 4.31 0.23 0.03 29.86 08:10:19 0 65.50 0.00 4.71 0.26 0.03 29.50 08:10:19 1 64.99 0.00 4.16 0.18 0.02 30.65 08:10:19 2 66.14 0.00 4.38 0.34 0.03 29.10 08:10:19 3 65.66 0.00 3.98 0.15 0.02 30.18 08:20:01 all 25.67 0.00 1.55 0.11 0.02 72.65 08:20:01 0 26.16 0.00 1.58 0.16 0.01 72.09 08:20:01 1 27.94 0.00 1.69 0.09 0.02 70.26 08:20:01 2 22.01 0.00 1.25 0.07 0.01 76.65 08:20:01 3 26.59 0.00 1.69 0.11 0.02 71.60 Average: all 46.06 0.00 2.96 0.17 0.02 50.79 Average: 0 46.27 0.00 3.18 0.21 0.02 50.32 Average: 1 46.87 0.00 2.96 0.13 0.02 50.02 Average: 2 44.55 0.00 2.85 0.21 0.02 52.37 Average: 3 46.55 0.00 2.86 0.13 0.02 50.44