---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9361 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 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 681 8177 4 7130 14964 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:8f:84:21 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.89/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84054sec preferred_lft 84054sec inet6 fe80::f816:3eff:fe8f:8421/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:d4:a8:de:bb:fb 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-9361) 09/18/26 _x86_64_ (4 CPU) 16:19:50 LINUX RESTART (4 CPU) 16:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:30:08 68.06 12.22 52.56 3.28 1624.40 10908.81 5862.51 16:40:14 26.07 0.03 23.35 2.68 0.69 2232.15 8406.12 16:50:03 29.87 0.03 14.38 15.47 0.61 3538.81 244348.53 Average: 41.47 4.14 30.27 7.06 548.11 5584.32 84609.88 16:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:30:08 9885732 13477680 2480160 15.15 136564 3578836 2957416 16.98 659944 5445700 17036 16:40:14 9060580 13093256 2861276 17.48 158796 3962020 3192048 18.32 779852 6107696 45784 16:50:03 5669948 10540488 5411020 33.05 165428 4762172 5277504 30.29 1028732 9202520 152 Average: 8205420 12370475 3584152 21.89 153596 4101009 3808989 21.86 822843 6918639 20991 16:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:30:08 lo 1412.46 1412.46 1338.86 1338.86 0.00 0.00 0.00 0.00 16:30:08 ens3 190.44 146.96 1369.38 27.96 0.00 0.00 0.00 0.00 16:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:40:14 lo 1135.00 1135.00 1081.05 1081.05 0.00 0.00 0.00 0.00 16:40:14 ens3 34.88 27.26 22.95 10.70 0.00 0.00 0.00 0.00 16:40:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:50:03 lo 664.24 664.24 4733.79 4733.79 0.00 0.00 0.00 0.00 16:50:03 ens3 19.55 15.48 14.73 6.03 0.00 0.00 0.00 0.00 16:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1074.79 1074.79 2361.00 2361.00 0.00 0.00 0.00 0.00 Average: ens3 82.32 63.77 474.23 14.99 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-9361) 09/18/26 _x86_64_ (4 CPU) 16:19:50 LINUX RESTART (4 CPU) 16:20:00 CPU %user %nice %system %iowait %steal %idle 16:30:08 all 56.61 0.00 2.94 0.54 0.03 39.87 16:30:08 0 55.47 0.00 2.80 0.52 0.04 41.17 16:30:08 1 56.26 0.00 3.10 0.25 0.04 40.36 16:30:08 2 57.31 0.00 2.79 0.56 0.03 39.31 16:30:08 3 57.39 0.00 3.07 0.84 0.03 38.66 16:40:14 all 65.92 0.00 2.51 0.09 0.04 31.45 16:40:14 0 63.82 0.00 2.48 0.09 0.03 33.57 16:40:14 1 65.10 0.00 2.47 0.11 0.03 32.28 16:40:14 2 67.62 0.00 2.40 0.11 0.03 29.83 16:40:14 3 67.13 0.00 2.67 0.05 0.04 30.11 16:50:03 all 34.93 0.00 1.60 0.12 0.02 63.33 16:50:03 0 33.96 0.00 1.82 0.11 0.02 64.09 16:50:03 1 35.08 0.00 1.62 0.07 0.03 63.20 16:50:03 2 33.48 0.00 1.42 0.14 0.02 64.94 16:50:03 3 37.20 0.00 1.54 0.17 0.03 61.07 Average: all 52.66 0.00 2.36 0.25 0.03 44.70 Average: 0 51.25 0.00 2.37 0.24 0.03 46.11 Average: 1 52.32 0.00 2.41 0.14 0.03 45.10 Average: 2 52.99 0.00 2.21 0.27 0.03 44.49 Average: 3 54.07 0.00 2.44 0.36 0.03 43.10