---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-4960 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 17G 138G 11% / 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 798 19170 4 12122 30825 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:58:56:83 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.219/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84418sec preferred_lft 84418sec inet6 fe80::f816:3eff:fe58:5683/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ae:3f:6c:8c:c5:0c 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::ac3f:6cff:fe8c:c50c/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-4960) 04/21/26 _x86_64_ (8 CPU) 00:23:18 LINUX RESTART (8 CPU) 00:30:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:08 7.91 0.06 7.44 0.41 1.92 2453.05 1294.07 00:50:32 55.80 2.15 52.40 1.25 310.89 21875.98 7100.50 Average: 32.34 1.12 30.37 0.84 159.54 12361.56 4256.19 00:30:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:08 23742992 29162644 3140452 9.56 162864 5435968 3264264 9.63 1264564 7322732 588060 00:50:32 19903724 31629048 643972 1.96 236236 11413088 1390028 4.10 3203708 8929704 20 Average: 21823358 30395846 1892212 5.76 199550 8424528 2327146 6.86 2234136 8126218 294040 00:30:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:08 lo 1.75 1.75 0.17 0.17 0.00 0.00 0.00 0.00 00:40:08 ens3 54.72 46.67 234.27 12.19 0.00 0.00 0.00 0.00 00:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:32 lo 194.86 194.86 193.31 193.31 0.00 0.00 0.00 0.00 00:50:32 ens3 115.66 99.13 418.47 1205.69 0.00 0.00 0.00 0.00 00:50:32 docker0 68.60 74.73 1196.15 152.93 0.00 0.00 0.00 0.00 00:50:32 veth79701fa 63.00 68.26 1196.67 7.31 0.00 0.00 0.00 0.10 Average: lo 100.26 100.26 98.70 98.70 0.00 0.00 0.00 0.00 Average: ens3 85.81 73.43 328.24 621.05 0.00 0.00 0.00 0.00 Average: docker0 35.00 38.12 610.21 78.02 0.00 0.00 0.00 0.00 Average: veth79701fa 32.14 34.82 610.47 3.73 0.00 0.00 0.00 0.05 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-4960) 04/21/26 _x86_64_ (8 CPU) 00:23:18 LINUX RESTART (8 CPU) 00:30:09 CPU %user %nice %system %iowait %steal %idle 00:40:08 all 33.78 0.00 1.42 0.03 0.07 64.70 00:40:08 0 31.00 0.00 1.30 0.02 0.07 67.60 00:40:08 1 30.86 0.00 1.71 0.02 0.06 67.34 00:40:08 2 38.16 0.00 1.55 0.03 0.07 60.20 00:40:08 3 33.40 0.00 1.36 0.02 0.07 65.16 00:40:08 4 36.37 0.00 1.37 0.02 0.07 62.17 00:40:08 5 38.09 0.00 1.52 0.02 0.07 60.30 00:40:08 6 30.73 0.00 1.14 0.08 0.07 67.97 00:40:08 7 31.66 0.00 1.39 0.04 0.07 66.84 00:50:32 all 14.05 0.00 1.43 0.24 0.05 84.23 00:50:32 0 14.20 0.00 1.52 0.04 0.04 84.21 00:50:32 1 17.18 0.00 2.18 0.23 0.05 80.35 00:50:32 2 15.33 0.00 1.28 0.19 0.04 83.16 00:50:32 3 14.29 0.00 1.21 0.19 0.05 84.26 00:50:32 4 10.99 0.00 1.17 0.32 0.05 87.48 00:50:32 5 15.42 0.00 1.34 0.27 0.05 82.92 00:50:32 6 11.95 0.00 1.26 0.26 0.05 86.48 00:50:32 7 13.05 0.00 1.47 0.44 0.05 84.99 Average: all 23.72 0.00 1.42 0.14 0.06 74.67 Average: 0 22.43 0.00 1.41 0.03 0.06 76.08 Average: 1 23.88 0.00 1.95 0.13 0.06 73.98 Average: 2 26.50 0.00 1.41 0.11 0.06 71.92 Average: 3 23.65 0.00 1.28 0.11 0.06 74.90 Average: 4 23.42 0.00 1.27 0.17 0.06 75.08 Average: 5 26.52 0.00 1.43 0.15 0.06 71.84 Average: 6 21.15 0.00 1.20 0.17 0.06 77.42 Average: 7 22.18 0.00 1.43 0.24 0.06 76.09