---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-47389 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 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 654 8191 4 7143 14991 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:c8:f8:64 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.96/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82380sec preferred_lft 82380sec inet6 fe80::f816:3eff:fec8:f864/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:20:fa:9b:b7:b2 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-47389) 09/04/26 _x86_64_ (4 CPU) 07:57:05 LINUX RESTART (4 CPU) 08:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:10:03 3.36 0.04 3.29 0.02 1.63 783.92 0.65 08:20:01 11.01 2.54 8.06 0.40 144.48 2377.12 1009.57 08:30:01 21.71 0.36 18.60 2.75 16.88 2198.68 4561.95 08:40:08 24.53 0.02 21.98 2.52 0.58 2032.13 16846.11 08:50:10 13.18 0.02 11.94 1.22 0.46 2971.78 11548.49 09:00:01 10.64 0.17 9.20 1.27 10.54 7599.24 3152.90 Average: 14.09 0.53 12.20 1.37 29.01 2978.32 6216.43 08:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:10:03 12994668 15503716 473248 2.89 95608 2605576 1007184 5.78 317540 2740228 304 08:20:01 11093832 14326756 1635036 9.99 127996 3256160 1944316 11.16 534684 4373724 20796 08:30:01 9129196 12854184 3102900 18.95 147572 3685360 3226616 18.52 705804 6138388 5316 08:40:08 8072096 12361720 3592104 21.94 168700 4191968 3584068 20.57 833940 7019300 209572 08:50:10 7048396 11909724 4041544 24.68 173968 4739840 3853636 22.12 1021428 7836728 1516 09:00:01 8388464 15342604 601644 3.67 190548 6749232 1142092 6.56 1789560 5641836 200 Average: 9454442 13716451 2241079 13.69 150732 4204689 2459652 14.12 867159 5625034 39617 08:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:10:03 lo 0.06 0.06 0.00 0.00 0.00 0.00 0.00 0.00 08:10:03 ens3 13.63 10.13 55.76 1.66 0.00 0.00 0.00 0.00 08:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:01 lo 321.66 321.66 306.71 306.71 0.00 0.00 0.00 0.00 08:20:01 ens3 144.41 112.12 990.50 14.33 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 08:30:01 lo 1329.85 1329.85 1261.40 1261.40 0.00 0.00 0.00 0.00 08:30:01 ens3 41.06 33.16 86.65 13.41 0.00 0.00 0.00 0.00 08:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:08 lo 1308.64 1308.64 1247.39 1247.39 0.00 0.00 0.00 0.00 08:40:08 ens3 22.38 18.65 22.78 9.06 0.00 0.00 0.00 0.00 08:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:10 lo 459.30 459.30 428.89 428.89 0.00 0.00 0.00 0.00 08:50:10 ens3 13.82 11.01 10.65 5.63 0.00 0.00 0.00 0.00 08:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:01 lo 2575.69 2575.69 9442.23 9442.23 0.00 0.00 0.00 0.00 09:00:01 ens3 53.83 56.89 134.75 569.19 0.00 0.00 0.00 0.00 09:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 994.81 994.81 2091.22 2091.22 0.00 0.00 0.00 0.00 Average: ens3 48.04 40.17 216.14 100.68 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-47389) 09/04/26 _x86_64_ (4 CPU) 07:57:05 LINUX RESTART (4 CPU) 08:00:00 CPU %user %nice %system %iowait %steal %idle 08:10:03 all 0.20 0.00 0.06 0.02 0.00 99.71 08:10:03 0 0.05 0.00 0.03 0.01 0.00 99.91 08:10:03 1 0.49 0.00 0.06 0.03 0.00 99.42 08:10:03 2 0.19 0.00 0.08 0.01 0.00 99.71 08:10:03 3 0.09 0.00 0.07 0.03 0.00 99.80 08:20:01 all 10.93 0.00 0.78 0.06 0.01 88.21 08:20:01 0 11.19 0.00 0.71 0.09 0.01 88.00 08:20:01 1 10.91 0.00 0.85 0.09 0.01 88.15 08:20:01 2 10.69 0.00 0.92 0.01 0.01 88.37 08:20:01 3 10.95 0.00 0.66 0.06 0.01 88.32 08:30:01 all 60.02 0.00 2.45 0.06 0.03 37.43 08:30:01 0 62.09 0.00 2.41 0.05 0.04 35.42 08:30:01 1 57.92 0.00 2.35 0.07 0.03 39.64 08:30:01 2 59.05 0.00 2.74 0.08 0.04 38.09 08:30:01 3 61.03 0.00 2.31 0.04 0.04 36.58 08:40:08 all 50.61 0.00 2.31 1.18 0.04 45.86 08:40:08 0 49.99 0.00 2.60 0.86 0.03 46.52 08:40:08 1 49.48 0.00 2.30 0.52 0.04 47.66 08:40:08 2 52.71 0.00 2.19 2.02 0.04 43.04 08:40:08 3 50.26 0.00 2.13 1.34 0.04 46.23 08:50:10 all 25.08 0.00 1.35 0.07 0.05 73.45 08:50:10 0 25.54 0.00 1.52 0.07 0.05 72.81 08:50:10 1 24.24 0.00 1.33 0.04 0.05 74.33 08:50:10 2 26.25 0.00 1.24 0.11 0.04 72.36 08:50:10 3 24.29 0.00 1.31 0.06 0.05 74.29 09:00:01 all 36.59 0.00 1.70 0.16 0.04 61.51 09:00:01 0 35.82 0.00 2.27 0.12 0.04 61.74 09:00:01 1 32.55 0.00 1.66 0.21 0.04 65.54 09:00:01 2 36.31 0.00 1.61 0.26 0.03 61.80 09:00:01 3 41.68 0.00 1.25 0.06 0.04 56.97 Average: all 30.57 0.00 1.44 0.26 0.03 67.70 Average: 0 30.78 0.00 1.59 0.20 0.03 67.40 Average: 1 29.27 0.00 1.42 0.16 0.03 69.12 Average: 2 30.88 0.00 1.46 0.42 0.03 67.21 Average: 3 31.36 0.00 1.29 0.27 0.03 67.05