---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-8255 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 892 24757 4 6442 30732 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:96:23:e3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.15/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84389sec preferred_lft 84389sec inet6 fe80::f816:3eff:fe96:23e3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:b3:0a:d0:8d:93 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-8255) 04/26/26 _x86_64_ (8 CPU) 16:52:02 LINUX RESTART (8 CPU) 17:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:10:01 27.53 0.15 23.74 3.64 5.72 2194.48 8877.30 17:20:16 32.49 0.01 28.65 3.83 0.09 3222.64 13144.90 Average: 30.04 0.08 26.22 3.73 2.87 2714.69 11036.55 17:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:10:01 25472272 29411496 2895264 8.81 175700 3973064 3460652 10.21 832676 6095896 121472 17:20:16 24204252 28844940 3456772 10.52 215064 4576816 3482788 10.27 1008624 7115100 177660 Average: 24838262 29128218 3176018 9.66 195382 4274940 3471720 10.24 920650 6605498 149566 17:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:10:01 lo 1598.76 1598.76 1522.25 1522.25 0.00 0.00 0.00 0.00 17:10:01 ens3 18.86 16.56 9.12 5.90 0.00 0.00 0.00 0.00 17:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:20:16 lo 1771.52 1771.52 1687.29 1687.29 0.00 0.00 0.00 0.00 17:20:16 ens3 22.41 18.84 8.54 6.38 0.00 0.00 0.00 0.00 17:20:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1686.17 1686.17 1605.75 1605.75 0.00 0.00 0.00 0.00 Average: ens3 20.66 17.72 8.82 6.14 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-8255) 04/26/26 _x86_64_ (8 CPU) 16:52:02 LINUX RESTART (8 CPU) 17:00:01 CPU %user %nice %system %iowait %steal %idle 17:10:01 all 35.95 0.00 1.64 0.06 0.06 62.29 17:10:01 0 30.78 0.00 1.58 0.03 0.06 67.55 17:10:01 1 38.75 0.00 1.90 0.12 0.06 59.16 17:10:01 2 39.59 0.00 2.25 0.06 0.06 58.04 17:10:01 3 34.36 0.00 1.37 0.04 0.06 64.17 17:10:01 4 35.92 0.00 1.50 0.06 0.06 62.46 17:10:01 5 35.39 0.00 1.64 0.06 0.06 62.85 17:10:01 6 36.86 0.00 1.39 0.07 0.06 61.63 17:10:01 7 35.95 0.00 1.49 0.04 0.06 62.46 17:20:16 all 38.73 0.00 1.84 0.07 0.07 59.29 17:20:16 0 36.65 0.00 1.56 0.05 0.07 61.67 17:20:16 1 38.81 0.00 1.76 0.13 0.07 59.24 17:20:16 2 39.89 0.00 2.24 0.05 0.07 57.75 17:20:16 3 36.35 0.00 1.88 0.04 0.07 61.67 17:20:16 4 40.49 0.00 1.98 0.05 0.07 57.41 17:20:16 5 42.35 0.00 1.72 0.11 0.07 55.75 17:20:16 6 39.34 0.00 1.83 0.06 0.07 58.70 17:20:16 7 35.97 0.00 1.77 0.04 0.07 62.15 Average: all 37.36 0.00 1.74 0.06 0.06 60.77 Average: 0 33.75 0.00 1.57 0.04 0.06 64.57 Average: 1 38.78 0.00 1.83 0.13 0.07 59.20 Average: 2 39.74 0.00 2.25 0.05 0.07 57.89 Average: 3 35.36 0.00 1.63 0.04 0.06 62.90 Average: 4 38.23 0.00 1.74 0.05 0.07 59.90 Average: 5 38.91 0.00 1.68 0.08 0.06 59.26 Average: 6 38.11 0.00 1.61 0.06 0.07 60.14 Average: 7 35.96 0.00 1.63 0.04 0.06 62.30