---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-21225 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 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 762 24132 4 7196 30861 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:56:a3:2e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.117/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84059sec preferred_lft 84059sec inet6 fe80::f816:3eff:fe56:a32e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:4f:73:9c:ab:b3 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::4c4f:73ff:fe9c:abb3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-21225) 05/29/26 _x86_64_ (8 CPU) 11:02:22 LINUX RESTART (8 CPU) 11:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:20:00 25.15 0.16 21.86 3.14 5.90 2233.75 7248.51 11:30:02 47.56 0.01 28.54 19.02 0.20 3050.31 520606.34 11:40:01 58.28 1.73 53.60 2.95 306.50 9011.37 9473.34 Average: 43.67 0.63 34.65 8.38 104.01 4761.86 179644.43 11:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:20:00 25496628 29303600 3003668 9.14 174016 3844200 3002964 8.86 798284 6094228 12956 11:30:02 24833672 29248424 3053584 9.29 212340 4361680 3033016 8.94 955884 6545888 36884 11:40:01 24765900 31636288 653552 1.99 254344 6660280 1432040 4.22 1778900 5638444 4 Average: 25032067 30062771 2236935 6.81 213567 4955387 2489340 7.34 1177689 6092853 16615 11:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:20:00 lo 1301.00 1301.00 1238.31 1238.31 0.00 0.00 0.00 0.00 11:20:00 ens3 21.05 17.53 10.84 6.02 0.00 0.00 0.00 0.00 11:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:02 lo 1688.90 1688.90 1608.35 1608.35 0.00 0.00 0.00 0.00 11:30:02 ens3 21.28 18.16 6.96 6.40 0.00 0.00 0.00 0.00 11:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:01 lo 669.88 669.88 637.17 637.17 0.00 0.00 0.00 0.00 11:40:01 ens3 46.72 37.81 507.72 8.07 0.00 0.00 0.00 0.00 11:40:01 docker0 5.15 6.48 0.33 151.56 0.00 0.00 0.00 0.00 11:40:01 veth5bb35e6 0.04 0.04 0.01 0.00 0.00 0.00 0.00 0.00 Average: lo 1220.72 1220.72 1162.03 1162.03 0.00 0.00 0.00 0.00 Average: ens3 29.67 24.49 174.86 6.83 0.00 0.00 0.00 0.00 Average: docker0 1.71 2.16 0.11 50.43 0.00 0.00 0.00 0.00 Average: veth5bb35e6 0.01 0.01 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-21225) 05/29/26 _x86_64_ (8 CPU) 11:02:22 LINUX RESTART (8 CPU) 11:10:01 CPU %user %nice %system %iowait %steal %idle 11:20:00 all 33.79 0.00 1.46 0.08 0.09 64.58 11:20:00 0 32.11 0.00 1.43 0.03 0.09 66.35 11:20:00 1 35.62 0.00 1.37 0.15 0.09 62.77 11:20:00 2 32.56 0.00 1.98 0.11 0.08 65.27 11:20:00 3 38.22 0.00 1.44 0.04 0.09 60.20 11:20:00 4 36.19 0.00 1.14 0.07 0.09 62.50 11:20:00 5 29.99 0.00 1.34 0.15 0.08 68.44 11:20:00 6 30.70 0.00 1.55 0.02 0.09 67.64 11:20:00 7 34.95 0.00 1.44 0.04 0.09 63.49 11:30:02 all 40.10 0.00 1.87 0.08 0.11 57.84 11:30:02 0 38.74 0.00 1.80 0.11 0.11 59.24 11:30:02 1 43.90 0.00 2.19 0.04 0.12 53.75 11:30:02 2 39.70 0.00 1.78 0.07 0.11 58.34 11:30:02 3 41.45 0.00 2.33 0.15 0.12 55.96 11:30:02 4 45.65 0.00 1.54 0.03 0.12 52.66 11:30:02 5 35.68 0.00 1.70 0.07 0.11 62.44 11:30:02 6 34.38 0.00 1.90 0.04 0.11 63.57 11:30:02 7 41.30 0.00 1.73 0.15 0.11 56.71 11:40:01 all 24.56 0.00 1.42 0.17 0.09 73.77 11:40:01 0 23.29 0.00 1.48 0.05 0.08 75.10 11:40:01 1 26.49 0.00 1.49 0.39 0.09 71.53 11:40:01 2 27.94 0.00 1.45 0.23 0.10 70.28 11:40:01 3 25.50 0.00 1.47 0.22 0.09 72.73 11:40:01 4 27.65 0.00 1.50 0.08 0.09 70.67 11:40:01 5 22.98 0.00 1.59 0.19 0.09 75.14 11:40:01 6 21.45 0.00 1.15 0.05 0.08 77.27 11:40:01 7 21.18 0.00 1.19 0.10 0.08 77.44 Average: all 32.83 0.00 1.58 0.11 0.10 65.38 Average: 0 31.39 0.00 1.57 0.06 0.09 66.89 Average: 1 35.34 0.00 1.69 0.19 0.10 62.68 Average: 2 33.41 0.00 1.74 0.14 0.10 64.62 Average: 3 35.06 0.00 1.75 0.14 0.10 62.95 Average: 4 36.51 0.00 1.40 0.06 0.10 61.93 Average: 5 29.56 0.00 1.55 0.14 0.09 68.66 Average: 6 28.85 0.00 1.53 0.04 0.09 69.48 Average: 7 32.49 0.00 1.46 0.10 0.09 65.86