---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-47145 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: 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 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 16G 62G 21% / 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 717 7155 4 8116 14928 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:14:e0:ae brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.33/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82184sec preferred_lft 82184sec inet6 fe80::f816:3eff:fe14:e0ae/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:37:dc:1f:b9:0c 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 inet6 fe80::ec37:dcff:fe1f:b90c/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-4c-16g-47145) 09/03/26 _x86_64_ (4 CPU) 09:11:04 LINUX RESTART (4 CPU) 09:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:21 17.50 0.83 15.78 0.89 75.57 1463.03 2250.41 09:40:51 4.78 0.00 4.60 0.18 0.01 134.48 325.44 09:50:01 25.59 0.87 23.37 1.35 14.83 1994.34 1366.98 10:00:02 24.09 0.05 22.73 1.31 4.41 1572.61 1513.95 10:10:41 10.55 0.00 10.13 0.41 0.01 238.76 149.46 10:20:01 18.51 12.80 5.51 0.20 147.30 149.79 47.23 Average: 16.53 2.28 13.54 0.71 38.93 908.34 940.03 09:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:21 2735744 11071440 4856112 29.66 231884 7939864 5584084 32.05 1959140 10947276 280 09:40:51 2706492 11050100 4877536 29.79 233136 7946340 5684804 32.63 1974620 10971440 88 09:50:01 165268 7623904 8301364 50.70 245880 7052628 9228788 52.97 2074560 13408928 380 10:00:02 4920008 12709728 3216960 19.65 257368 7362832 3916152 22.48 2191424 8528700 8724 10:10:41 3503140 11310176 4617348 28.20 258844 7378656 5385084 30.91 2195756 9955572 228 10:20:01 3521164 11399388 4527380 27.65 263024 7432076 5294908 30.39 2236500 9876320 104 Average: 2925303 10860789 5066117 30.94 248356 7518733 5848970 33.57 2105333 10614706 1634 09:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:21 lo 12.17 12.17 9.42 9.42 0.00 0.00 0.00 0.00 09:30:21 ens3 0.87 0.70 0.20 0.17 0.00 0.00 0.00 0.00 09:30:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:51 lo 11.21 11.21 5.09 5.09 0.00 0.00 0.00 0.00 09:40:51 ens3 0.62 0.52 0.11 0.09 0.00 0.00 0.00 0.00 09:40:51 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:01 lo 14.54 14.54 13.09 13.09 0.00 0.00 0.00 0.00 09:50:01 ens3 1.54 1.49 0.40 0.37 0.00 0.00 0.00 0.00 09:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:02 lo 20.34 20.34 11.46 11.46 0.00 0.00 0.00 0.00 10:00:02 ens3 1.56 1.44 0.35 1.23 0.00 0.00 0.00 0.00 10:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:41 lo 21.21 21.21 10.01 10.01 0.00 0.00 0.00 0.00 10:10:41 ens3 0.86 0.83 0.16 0.15 0.00 0.00 0.00 0.00 10:10:41 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:01 lo 18.63 18.63 6.51 6.51 0.00 0.00 0.00 0.00 10:20:01 ens3 0.54 0.42 0.12 0.10 0.00 0.00 0.00 0.00 10:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 16.34 16.34 9.21 9.21 0.00 0.00 0.00 0.00 Average: ens3 0.99 0.89 0.22 0.35 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-16g-47145) 09/03/26 _x86_64_ (4 CPU) 09:11:04 LINUX RESTART (4 CPU) 09:20:01 CPU %user %nice %system %iowait %steal %idle 09:30:21 all 25.47 0.00 1.19 0.08 0.04 73.22 09:30:21 0 24.38 0.00 1.08 0.08 0.03 74.43 09:30:21 1 24.98 0.00 1.30 0.05 0.05 73.62 09:30:21 2 26.85 0.00 1.01 0.08 0.04 72.02 09:30:21 3 25.66 0.00 1.38 0.11 0.04 72.80 09:40:51 all 8.50 0.00 0.41 0.03 0.04 91.03 09:40:51 0 8.46 0.00 0.44 0.02 0.04 91.05 09:40:51 1 7.88 0.00 0.39 0.07 0.04 91.63 09:40:51 2 8.75 0.00 0.41 0.03 0.03 90.77 09:40:51 3 8.89 0.00 0.42 0.00 0.03 90.65 09:50:01 all 36.81 0.00 1.52 0.11 0.04 61.53 09:50:01 0 36.66 0.00 1.58 0.03 0.03 61.69 09:50:01 1 36.17 0.00 1.50 0.08 0.04 62.20 09:50:01 2 37.57 0.00 1.62 0.23 0.04 60.55 09:50:01 3 36.82 0.00 1.39 0.09 0.04 61.67 10:00:02 all 31.68 0.00 1.34 0.10 0.03 66.85 10:00:02 0 31.63 0.00 1.27 0.18 0.03 66.88 10:00:02 1 31.47 0.00 1.32 0.08 0.04 67.09 10:00:02 2 31.51 0.00 1.36 0.10 0.03 67.00 10:00:02 3 32.09 0.00 1.40 0.04 0.04 66.43 10:10:41 all 16.43 0.00 0.81 0.03 0.07 82.66 10:10:41 0 16.68 0.00 0.85 0.07 0.07 82.34 10:10:41 1 16.48 0.00 0.82 0.01 0.07 82.62 10:10:41 2 16.51 0.00 0.85 0.03 0.08 82.53 10:10:41 3 16.04 0.00 0.73 0.02 0.07 83.14 10:20:01 all 8.20 0.08 0.48 0.09 0.02 91.13 10:20:01 0 7.78 0.18 0.46 0.17 0.02 91.40 10:20:01 1 8.48 0.11 0.53 0.10 0.02 90.76 10:20:01 2 8.37 0.04 0.51 0.05 0.02 91.01 10:20:01 3 8.15 0.00 0.44 0.04 0.03 91.34 Average: all 20.98 0.01 0.95 0.07 0.04 77.95 Average: 0 20.74 0.03 0.94 0.09 0.04 78.17 Average: 1 20.71 0.02 0.97 0.06 0.04 78.20 Average: 2 21.38 0.01 0.95 0.08 0.04 77.53 Average: 3 21.07 0.00 0.96 0.05 0.04 77.88