---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-7147 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): 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 12G 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 904 24746 4 6441 30719 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:17:e9:77 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.18/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83926sec preferred_lft 83926sec inet6 fe80::f816:3eff:fe17:e977/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ae:c3:e3:6a:d9:c4 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-8c-8g-7147) 09/11/26 _x86_64_ (8 CPU) 09:19:10 LINUX RESTART (8 CPU) 09:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:02 36.28 3.44 29.95 2.89 182.24 6476.96 9056.15 09:40:07 32.93 0.11 28.52 4.30 6.20 2401.08 16148.36 09:50:07 34.45 0.01 30.13 4.31 0.41 2947.73 14405.73 10:00:02 15.91 0.21 13.93 1.78 13.47 5943.22 5100.58 Average: 29.93 0.94 25.66 3.32 50.62 4435.66 11199.88 09:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:02 25580640 29154140 3155828 9.60 157540 3643528 3744920 11.04 690372 6142564 37264 09:40:07 25185328 29189512 3115616 9.48 194064 3998672 3105920 9.16 806056 6371384 56660 09:50:07 24475052 28966352 3334452 10.15 216832 4422792 3806836 11.23 928376 6924432 21672 10:00:02 25400224 31508228 787504 2.40 232064 5967088 1412972 4.17 1533568 5302192 11416 Average: 25160311 29704558 2598350 7.91 200125 4508020 3017662 8.90 989593 6185143 31753 09:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:02 lo 909.84 909.84 864.62 864.62 0.00 0.00 0.00 0.00 09:30:02 ens3 162.14 128.44 1028.54 24.64 0.00 0.00 0.00 0.00 09:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:07 lo 2045.16 2045.16 1948.32 1948.32 0.00 0.00 0.00 0.00 09:40:07 ens3 36.62 27.80 16.32 12.80 0.00 0.00 0.00 0.00 09:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:07 lo 1899.75 1899.75 1809.75 1809.75 0.00 0.00 0.00 0.00 09:50:07 ens3 50.68 33.99 19.59 15.23 0.00 0.00 0.00 0.00 09:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:02 lo 196.21 196.21 168.32 168.32 0.00 0.00 0.00 0.00 10:00:02 ens3 127.61 129.98 252.91 987.43 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 Average: lo 1266.45 1266.45 1201.33 1201.33 0.00 0.00 0.00 0.00 Average: ens3 94.10 79.86 329.12 257.91 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-8c-8g-7147) 09/11/26 _x86_64_ (8 CPU) 09:19:10 LINUX RESTART (8 CPU) 09:20:01 CPU %user %nice %system %iowait %steal %idle 09:30:02 all 37.03 0.00 1.79 0.36 0.02 60.80 09:30:02 0 34.58 0.00 2.13 1.54 0.02 61.73 09:30:02 1 36.02 0.00 1.98 0.08 0.02 61.89 09:30:02 2 35.46 0.00 1.62 0.27 0.02 62.63 09:30:02 3 38.53 0.00 1.47 0.03 0.02 59.95 09:30:02 4 38.47 0.00 1.90 0.14 0.02 59.47 09:30:02 5 37.41 0.00 1.80 0.43 0.02 60.33 09:30:02 6 38.18 0.00 1.76 0.17 0.02 59.87 09:30:02 7 37.59 0.00 1.66 0.17 0.02 60.56 09:40:07 all 35.66 0.00 1.80 0.07 0.03 62.43 09:40:07 0 33.82 0.00 1.85 0.13 0.03 64.18 09:40:07 1 41.03 0.00 2.11 0.04 0.03 56.78 09:40:07 2 34.43 0.00 1.68 0.05 0.03 63.80 09:40:07 3 33.40 0.00 1.95 0.09 0.03 64.53 09:40:07 4 35.83 0.00 1.78 0.07 0.03 62.30 09:40:07 5 35.88 0.00 1.68 0.08 0.02 62.34 09:40:07 6 36.13 0.00 1.71 0.07 0.03 62.06 09:40:07 7 34.80 0.00 1.64 0.06 0.03 63.46 09:50:07 all 36.03 0.00 1.97 0.07 0.03 61.89 09:50:07 0 31.04 0.00 2.03 0.19 0.03 66.70 09:50:07 1 37.61 0.00 2.15 0.05 0.03 60.16 09:50:07 2 35.47 0.00 1.96 0.06 0.04 62.47 09:50:07 3 41.13 0.00 2.44 0.04 0.04 56.36 09:50:07 4 33.61 0.00 1.72 0.09 0.03 64.55 09:50:07 5 37.17 0.00 1.93 0.08 0.04 60.79 09:50:07 6 38.48 0.00 1.64 0.06 0.04 59.78 09:50:07 7 33.74 0.00 1.89 0.03 0.04 64.31 10:00:02 all 12.02 0.00 0.66 0.09 0.03 87.20 10:00:02 0 7.96 0.00 0.83 0.02 0.02 91.17 10:00:02 1 17.47 0.00 0.75 0.04 0.03 81.71 10:00:02 2 7.88 0.00 0.50 0.06 0.03 91.54 10:00:02 3 11.53 0.00 0.65 0.02 0.02 87.78 10:00:02 4 12.52 0.00 0.62 0.29 0.02 86.55 10:00:02 5 13.76 0.00 0.61 0.06 0.03 85.55 10:00:02 6 12.75 0.00 0.78 0.02 0.02 86.43 10:00:02 7 12.30 0.00 0.55 0.22 0.03 86.91 Average: all 30.24 0.00 1.56 0.15 0.03 68.03 Average: 0 26.92 0.00 1.71 0.47 0.02 70.88 Average: 1 33.08 0.00 1.75 0.05 0.03 65.09 Average: 2 28.37 0.00 1.44 0.11 0.03 70.05 Average: 3 31.19 0.00 1.63 0.04 0.03 67.11 Average: 4 30.16 0.00 1.51 0.15 0.03 68.17 Average: 5 31.10 0.00 1.51 0.16 0.03 67.20 Average: 6 31.43 0.00 1.47 0.08 0.03 66.99 Average: 7 29.65 0.00 1.44 0.12 0.03 68.76