---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-30495 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 902 24518 4 6671 30722 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:93:e4:f2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.26/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83341sec preferred_lft 83341sec inet6 fe80::f816:3eff:fe93:e4f2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 66:27:1c:da:c0:32 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-30495) 06/25/26 _x86_64_ (8 CPU) 15:05:17 LINUX RESTART (8 CPU) 15:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:20:07 18.79 0.57 4.20 14.02 601.51 655.21 526118.64 15:30:08 67.71 4.66 60.56 2.49 267.42 5805.77 7886.54 15:40:01 26.92 0.15 23.33 3.45 6.15 2367.09 6577.12 15:50:18 31.95 0.00 28.07 3.88 0.05 3201.35 14500.25 Average: 36.32 1.34 29.01 5.97 218.90 3006.41 139193.75 15:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:20:07 29860792 31869812 511192 1.56 64836 2279124 1526760 4.50 414420 2286260 192 15:30:08 26399024 30034236 2275848 6.93 148224 3735248 2422684 7.14 839916 5207340 51788 15:40:01 25434392 29476972 2828852 8.61 177488 4071792 3391856 10.00 945948 6018524 11196 15:50:18 24040008 28901764 3398432 10.34 217644 4788112 3333060 9.83 1132612 7152392 176076 Average: 26433554 30070696 2253581 6.86 152048 3718569 2668590 7.87 833224 5166129 59813 15:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:20:07 lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 15:20:07 ens3 12.05 6.60 186.58 0.48 0.00 0.00 0.00 0.00 15:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:08 lo 819.47 819.47 780.58 780.58 0.00 0.00 0.00 0.00 15:30:08 ens3 120.96 93.48 1072.09 16.88 0.00 0.00 0.00 0.00 15:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:40:01 lo 1441.26 1441.26 1371.98 1371.98 0.00 0.00 0.00 0.00 15:40:01 ens3 22.39 18.94 11.14 6.33 0.00 0.00 0.00 0.00 15:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:18 lo 1684.69 1684.69 1604.14 1604.14 0.00 0.00 0.00 0.00 15:50:18 ens3 26.77 21.89 9.48 7.15 0.00 0.00 0.00 0.00 15:50:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 987.28 987.28 940.02 940.02 0.00 0.00 0.00 0.00 Average: ens3 45.45 35.15 318.73 7.70 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-30495) 06/25/26 _x86_64_ (8 CPU) 15:05:17 LINUX RESTART (8 CPU) 15:10:01 CPU %user %nice %system %iowait %steal %idle 15:20:07 all 0.27 0.00 0.07 0.07 0.01 99.58 15:20:07 0 0.11 0.00 0.07 0.23 0.01 99.57 15:20:07 1 0.27 0.00 0.06 0.01 0.01 99.66 15:20:07 2 0.84 0.00 0.08 0.03 0.03 99.02 15:20:07 3 0.23 0.00 0.10 0.05 0.00 99.61 15:20:07 4 0.16 0.00 0.06 0.00 0.01 99.77 15:20:07 5 0.19 0.00 0.07 0.05 0.01 99.68 15:20:07 6 0.17 0.00 0.06 0.06 0.01 99.70 15:20:07 7 0.19 0.00 0.10 0.09 0.01 99.62 15:30:08 all 25.13 0.00 1.17 0.20 0.05 73.44 15:30:08 0 23.20 0.00 1.27 0.11 0.05 75.36 15:30:08 1 25.33 0.00 1.18 0.06 0.05 73.38 15:30:08 2 29.99 0.00 1.43 0.17 0.06 68.35 15:30:08 3 24.61 0.00 1.12 0.13 0.05 74.09 15:30:08 4 27.44 0.00 1.08 0.12 0.05 71.30 15:30:08 5 23.27 0.00 1.17 0.60 0.05 74.91 15:30:08 6 24.10 0.00 1.07 0.08 0.05 74.71 15:30:08 7 23.10 0.00 1.04 0.38 0.05 75.44 15:40:01 all 35.76 0.00 1.47 0.06 0.06 62.65 15:40:01 0 34.92 0.00 1.37 0.06 0.07 63.58 15:40:01 1 35.19 0.00 1.49 0.05 0.07 63.20 15:40:01 2 38.69 0.00 1.44 0.15 0.07 59.66 15:40:01 3 33.13 0.00 1.59 0.04 0.06 65.18 15:40:01 4 36.39 0.00 1.29 0.02 0.06 62.24 15:40:01 5 34.77 0.00 1.62 0.06 0.06 63.50 15:40:01 6 37.79 0.00 1.57 0.05 0.07 60.52 15:40:01 7 35.21 0.00 1.39 0.05 0.06 63.29 15:50:18 all 40.30 0.00 1.75 0.07 0.08 57.80 15:50:18 0 38.25 0.00 1.72 0.09 0.07 59.87 15:50:18 1 41.16 0.00 1.96 0.02 0.08 56.78 15:50:18 2 42.13 0.00 2.10 0.06 0.08 55.63 15:50:18 3 39.78 0.00 1.71 0.12 0.07 58.32 15:50:18 4 40.57 0.00 1.90 0.14 0.08 57.31 15:50:18 5 38.58 0.00 1.53 0.09 0.07 59.73 15:50:18 6 40.25 0.00 1.51 0.04 0.08 58.13 15:50:18 7 41.69 0.00 1.55 0.05 0.08 56.63 Average: all 25.35 0.00 1.12 0.10 0.05 73.38 Average: 0 24.11 0.00 1.11 0.13 0.05 74.60 Average: 1 25.47 0.00 1.17 0.03 0.05 73.27 Average: 2 27.87 0.00 1.26 0.10 0.06 70.70 Average: 3 24.44 0.00 1.13 0.08 0.05 74.30 Average: 4 26.13 0.00 1.09 0.07 0.05 72.66 Average: 5 24.18 0.00 1.10 0.20 0.05 74.48 Average: 6 25.55 0.00 1.05 0.06 0.05 73.29 Average: 7 25.05 0.00 1.02 0.14 0.05 73.74