---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3168 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 673 8181 4 7134 14972 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:87:3a:e1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.129/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82749sec preferred_lft 82749sec inet6 fe80::f816:3eff:fe87:3ae1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f6:c6:d3:37:34:ad 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-3168) 09/08/26 _x86_64_ (4 CPU) 13:57:28 LINUX RESTART (4 CPU) 14:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:10:00 50.57 16.03 19.93 14.61 555.33 5266.11 251869.20 14:20:00 20.69 0.07 18.04 2.58 6.64 2104.75 3961.52 14:30:00 29.20 0.02 26.12 3.06 0.53 2275.47 7162.03 14:40:00 8.78 0.02 8.04 0.72 0.45 2952.51 39778.26 14:50:00 10.63 0.16 9.21 1.26 10.36 5941.41 18810.11 Average: 23.97 3.26 16.27 4.44 114.66 3707.96 64316.77 14:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:10:00 10133168 13906100 2051916 12.53 135632 3762104 2409012 13.83 678744 5179444 132972 14:20:00 8518460 12642728 3311092 20.22 154524 4056924 3189140 18.31 829548 6590636 12564 14:30:00 7730160 12358400 3591860 21.94 174048 4505236 3466216 19.90 947248 7226828 138464 14:40:00 4784808 10053848 5894160 36.00 178244 5121164 5424664 31.14 1152236 9924520 29736 14:50:00 8406428 15351244 591708 3.61 191220 6731152 1161484 6.67 1784796 5607320 20 Average: 7914605 12862464 3088147 18.86 166734 4835316 3130103 17.97 1078514 6905750 62751 14:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:10:00 lo 449.67 449.67 428.68 428.68 0.00 0.00 0.00 0.00 14:10:00 ens3 195.80 139.39 1467.58 18.20 0.00 0.00 0.00 0.00 14:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:00 lo 1372.53 1372.53 1302.46 1302.46 0.00 0.00 0.00 0.00 14:20:00 ens3 39.19 32.23 75.23 18.93 0.00 0.00 0.00 0.00 14:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:00 lo 1506.08 1506.08 1434.90 1434.90 0.00 0.00 0.00 0.00 14:30:00 ens3 21.80 19.17 23.30 9.90 0.00 0.00 0.00 0.00 14:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:00 lo 469.40 469.40 6996.49 6996.49 0.00 0.00 0.00 0.00 14:40:00 ens3 7.78 6.30 7.73 3.02 0.00 0.00 0.00 0.00 14:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:00 lo 2181.13 2181.13 2397.93 2397.93 0.00 0.00 0.00 0.00 14:50:00 ens3 72.66 67.32 108.74 429.44 0.00 0.00 0.00 0.00 14:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1195.71 1195.71 2512.24 2512.24 0.00 0.00 0.00 0.00 Average: ens3 67.44 52.88 336.51 95.89 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-3168) 09/08/26 _x86_64_ (4 CPU) 13:57:28 LINUX RESTART (4 CPU) 14:00:00 CPU %user %nice %system %iowait %steal %idle 14:10:00 all 15.76 0.08 1.37 0.39 0.04 82.35 14:10:00 0 14.58 0.02 1.37 0.29 0.04 83.70 14:10:00 1 16.24 0.05 1.23 0.33 0.04 82.11 14:10:00 2 16.70 0.20 1.42 0.62 0.04 81.02 14:10:00 3 15.53 0.05 1.47 0.33 0.05 82.56 14:20:00 all 61.54 0.00 2.45 0.07 0.03 35.92 14:20:00 0 61.33 0.00 2.73 0.05 0.03 35.85 14:20:00 1 61.58 0.00 2.30 0.08 0.03 36.01 14:20:00 2 60.80 0.00 2.25 0.05 0.03 36.87 14:20:00 3 62.46 0.00 2.51 0.09 0.03 34.92 14:30:00 all 59.52 0.00 2.64 0.11 0.02 37.71 14:30:00 0 59.70 0.00 2.63 0.21 0.03 37.43 14:30:00 1 58.36 0.00 2.45 0.08 0.03 39.08 14:30:00 2 58.45 0.00 2.74 0.08 0.03 38.70 14:30:00 3 61.56 0.00 2.72 0.09 0.02 35.61 14:40:00 all 32.32 0.00 1.14 0.11 0.03 66.41 14:40:00 0 34.14 0.00 1.14 0.03 0.03 64.67 14:40:00 1 29.65 0.00 0.92 0.10 0.03 69.30 14:40:00 2 25.90 0.00 1.62 0.21 0.03 72.24 14:40:00 3 39.61 0.00 0.86 0.09 0.03 59.41 14:50:00 all 10.45 0.00 0.77 0.20 0.01 88.57 14:50:00 0 7.89 0.00 0.66 0.10 0.01 91.33 14:50:00 1 9.79 0.00 1.02 0.35 0.01 88.82 14:50:00 2 11.03 0.00 0.71 0.26 0.01 87.99 14:50:00 3 13.09 0.00 0.68 0.10 0.01 86.12 Average: all 35.91 0.02 1.67 0.18 0.03 62.20 Average: 0 35.53 0.00 1.71 0.14 0.03 62.60 Average: 1 35.12 0.01 1.59 0.19 0.03 63.07 Average: 2 34.56 0.04 1.75 0.24 0.03 63.38 Average: 3 38.44 0.01 1.64 0.14 0.03 59.74