---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-19897 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 nrip_save 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 144G 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 899 24529 4 6663 30725 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:4e:4a:17 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.76/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83327sec preferred_lft 83327sec inet6 fe80::f816:3eff:fe4e:4a17/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:db:54:02:9e:4d 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 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-19897) 05/25/26 _x86_64_ (8 CPU) 11:22:44 LINUX RESTART (8 CPU) 11:30:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:40:00 1.32 0.01 1.31 0.01 0.04 16.08 18.93 11:50:00 59.04 4.70 51.61 2.72 268.63 6394.70 8641.50 12:00:01 31.96 0.11 27.74 4.10 5.30 2409.75 7766.49 12:10:01 33.32 0.01 29.27 4.04 0.08 3013.07 18044.91 Average: 31.48 1.21 27.54 2.72 68.65 2964.74 8636.30 11:30:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:40:00 29879088 31889208 491872 1.50 66100 2279124 1536444 4.53 374612 2312528 8 11:50:00 25677504 29457124 2852696 8.68 158236 3854016 3025228 8.92 835848 5900260 27876 12:00:01 25164064 29379916 2925208 8.90 195596 4210008 3522784 10.39 955024 6265188 41680 12:10:01 24577428 29305876 2994740 9.11 219984 4657468 2976468 8.78 1078856 6651128 12752 Average: 26324521 30008031 2316129 7.05 159979 3750154 2765231 8.15 811085 5282276 20579 11:30:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:40:00 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 11:40:00 ens3 0.53 0.15 0.12 0.07 0.00 0.00 0.00 0.00 11:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:00 lo 833.95 833.95 793.97 793.97 0.00 0.00 0.00 0.00 11:50:00 ens3 122.78 92.84 1079.05 18.30 0.00 0.00 0.00 0.00 11:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:01 lo 1767.76 1767.76 1683.15 1683.15 0.00 0.00 0.00 0.00 12:00:01 ens3 24.05 19.07 9.40 6.24 0.00 0.00 0.00 0.00 12:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:01 lo 1721.98 1721.98 1639.72 1639.72 0.00 0.00 0.00 0.00 12:10:01 ens3 22.94 19.31 9.01 6.67 0.00 0.00 0.00 0.00 12:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1083.48 1083.48 1031.62 1031.62 0.00 0.00 0.00 0.00 Average: ens3 42.66 32.91 274.95 7.84 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 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-19897) 05/25/26 _x86_64_ (8 CPU) 11:22:44 LINUX RESTART (8 CPU) 11:30:05 CPU %user %nice %system %iowait %steal %idle 11:40:00 all 0.02 0.00 0.01 0.00 0.00 99.96 11:40:00 0 0.02 0.00 0.02 0.00 0.00 99.96 11:40:00 1 0.02 0.00 0.03 0.01 0.01 99.94 11:40:00 2 0.02 0.00 0.02 0.01 0.01 99.95 11:40:00 3 0.01 0.00 0.01 0.00 0.00 99.98 11:40:00 4 0.00 0.00 0.01 0.03 0.00 99.96 11:40:00 5 0.01 0.00 0.01 0.00 0.00 99.97 11:40:00 6 0.05 0.00 0.00 0.00 0.00 99.94 11:40:00 7 0.01 0.00 0.01 0.00 0.00 99.98 11:50:00 all 33.60 0.00 1.46 0.15 0.08 64.71 11:50:00 0 28.40 0.00 1.35 0.06 0.07 70.12 11:50:00 1 37.81 0.00 1.78 0.08 0.09 60.25 11:50:00 2 36.64 0.00 1.49 0.08 0.08 61.71 11:50:00 3 33.21 0.00 1.44 0.10 0.10 65.16 11:50:00 4 33.37 0.00 1.32 0.32 0.08 64.91 11:50:00 5 33.84 0.00 1.28 0.05 0.08 64.75 11:50:00 6 31.08 0.00 1.18 0.04 0.07 67.64 11:50:00 7 34.51 0.00 1.82 0.46 0.08 63.13 12:00:01 all 37.35 0.00 1.63 0.05 0.08 60.88 12:00:01 0 35.42 0.00 1.53 0.03 0.08 62.94 12:00:01 1 40.19 0.00 1.74 0.04 0.09 57.95 12:00:01 2 36.57 0.00 1.83 0.10 0.09 61.41 12:00:01 3 39.46 0.00 1.53 0.03 0.09 58.89 12:00:01 4 37.96 0.00 1.43 0.03 0.08 60.50 12:00:01 5 37.29 0.00 1.85 0.03 0.09 60.74 12:00:01 6 33.47 0.00 1.55 0.07 0.07 64.83 12:00:01 7 38.45 0.00 1.61 0.04 0.08 59.83 12:10:01 all 38.57 0.00 1.81 0.05 0.08 59.48 12:10:01 0 37.18 0.00 1.54 0.02 0.09 61.18 12:10:01 1 38.86 0.00 1.88 0.01 0.08 59.16 12:10:01 2 37.38 0.00 1.86 0.11 0.08 60.57 12:10:01 3 38.05 0.00 1.83 0.06 0.08 59.97 12:10:01 4 37.42 0.00 1.84 0.03 0.08 60.63 12:10:01 5 38.61 0.00 1.91 0.11 0.09 59.28 12:10:01 6 41.40 0.00 1.84 0.05 0.09 56.62 12:10:01 7 39.66 0.00 1.78 0.05 0.08 58.44 Average: all 27.43 0.00 1.23 0.06 0.06 71.22 Average: 0 25.30 0.00 1.11 0.03 0.06 73.51 Average: 1 29.26 0.00 1.36 0.03 0.07 69.28 Average: 2 27.69 0.00 1.30 0.07 0.07 70.87 Average: 3 27.72 0.00 1.20 0.05 0.07 70.96 Average: 4 27.22 0.00 1.15 0.10 0.06 71.47 Average: 5 27.47 0.00 1.27 0.05 0.07 71.15 Average: 6 26.55 0.00 1.15 0.04 0.06 72.20 Average: 7 28.19 0.00 1.30 0.14 0.06 70.30