---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-42089 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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): 8 On-line CPU(s) list: 0-7 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): 8 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: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 13G 143G 8% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 724 24332 4 7035 30899 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:72:a0:1b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.75/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83719sec preferred_lft 83719sec inet6 fe80::f816:3eff:fe72:a01b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:c3:95:f6:4c:0a 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::7cc3:95ff:fef6:4c0a/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-42089) 08/28/26 _x86_64_ (8 CPU) 15:03:16 LINUX RESTART (8 CPU) 15:10:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:20:01 22.82 0.12 19.86 2.83 5.90 2425.89 6832.64 15:30:19 35.93 0.01 31.39 4.53 0.39 3165.35 9118.57 15:40:19 37.37 1.78 32.78 2.80 308.05 8504.43 14936.56 Average: 32.14 0.64 28.10 3.40 104.42 4698.94 10308.22 15:10:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:20:01 25006008 28847360 3460028 10.53 171560 3880268 3598060 10.61 749480 6646156 126628 15:30:19 24689072 29036540 3266280 9.94 210860 4296448 3335596 9.84 894708 6746528 37088 15:40:19 24954784 31656140 634656 1.93 246676 6508148 1458200 4.30 1672652 5556296 28 Average: 24883288 29846680 2453655 7.47 209699 4894955 2797285 8.25 1105613 6316327 54581 15:10:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:20:01 lo 1244.59 1244.59 1184.98 1184.98 0.00 0.00 0.00 0.00 15:20:01 ens3 19.93 17.00 11.07 6.42 0.00 0.00 0.00 0.00 15:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:19 lo 2239.93 2239.93 2134.50 2134.50 0.00 0.00 0.00 0.00 15:30:19 ens3 21.00 17.88 7.47 6.80 0.00 0.00 0.00 0.00 15:30:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:40:19 lo 772.56 772.56 735.15 735.15 0.00 0.00 0.00 0.00 15:40:19 ens3 62.87 65.75 434.22 194.37 0.00 0.00 0.00 0.00 15:40:19 docker0 32.94 25.24 186.38 5.30 0.00 0.00 0.00 0.00 15:40:19 veth769ea2d 32.94 25.25 186.83 5.30 0.00 0.00 0.00 0.02 Average: lo 1428.54 1428.54 1360.61 1360.61 0.00 0.00 0.00 0.00 Average: ens3 34.56 33.50 150.45 69.01 0.00 0.00 0.00 0.00 Average: docker0 10.95 8.39 61.93 1.76 0.00 0.00 0.00 0.00 Average: veth769ea2d 10.95 8.39 62.08 1.76 0.00 0.00 0.00 0.01 ---> sar -P ALL: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-42089) 08/28/26 _x86_64_ (8 CPU) 15:03:16 LINUX RESTART (8 CPU) 15:10:13 CPU %user %nice %system %iowait %steal %idle 15:20:01 all 33.22 0.00 1.62 0.06 0.01 65.09 15:20:01 0 33.53 0.00 1.59 0.03 0.01 64.84 15:20:01 1 34.67 0.00 1.76 0.04 0.02 63.51 15:20:01 2 34.50 0.00 1.84 0.09 0.02 63.55 15:20:01 3 34.28 0.00 1.65 0.04 0.02 64.01 15:20:01 4 33.13 0.00 1.48 0.07 0.01 65.30 15:20:01 5 31.00 0.00 1.50 0.04 0.01 67.45 15:20:01 6 30.53 0.00 1.43 0.12 0.01 67.91 15:20:01 7 34.10 0.00 1.68 0.05 0.02 64.16 15:30:19 all 38.70 0.00 2.24 0.08 0.02 58.96 15:30:19 0 31.52 0.00 1.92 0.08 0.02 66.47 15:30:19 1 42.42 0.00 2.07 0.04 0.01 55.45 15:30:19 2 41.78 0.00 2.37 0.09 0.01 55.74 15:30:19 3 38.39 0.00 2.40 0.05 0.01 59.15 15:30:19 4 37.71 0.00 2.34 0.07 0.02 59.86 15:30:19 5 43.32 0.00 2.32 0.05 0.01 54.29 15:30:19 6 37.59 0.00 2.26 0.11 0.01 60.02 15:30:19 7 36.91 0.00 2.28 0.16 0.02 60.64 15:40:19 all 23.66 0.00 1.65 0.15 0.01 74.53 15:40:19 0 22.69 0.00 1.82 0.06 0.01 75.43 15:40:19 1 23.50 0.00 2.05 0.07 0.01 74.38 15:40:19 2 23.83 0.00 1.72 0.29 0.01 74.14 15:40:19 3 25.84 0.00 1.77 0.17 0.01 72.21 15:40:19 4 23.78 0.00 1.16 0.11 0.01 74.94 15:40:19 5 24.05 0.00 1.27 0.23 0.01 74.44 15:40:19 6 19.92 0.00 1.11 0.06 0.01 78.90 15:40:19 7 25.73 0.00 2.28 0.17 0.01 71.81 Average: all 31.92 0.00 1.84 0.10 0.01 66.13 Average: 0 29.24 0.00 1.78 0.06 0.01 68.92 Average: 1 33.61 0.00 1.96 0.05 0.01 64.37 Average: 2 33.45 0.00 1.98 0.16 0.01 64.40 Average: 3 32.88 0.00 1.95 0.09 0.01 65.07 Average: 4 31.59 0.00 1.67 0.08 0.01 66.65 Average: 5 32.90 0.00 1.71 0.11 0.01 65.27 Average: 6 29.40 0.00 1.60 0.10 0.01 68.88 Average: 7 32.27 0.00 2.08 0.13 0.02 65.50