---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-23193 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 905 24870 4 6315 30718 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:8e:ae:d7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.223/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84415sec preferred_lft 84415sec inet6 fe80::f816:3eff:fe8e:aed7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:ee:1f:71:c2:c5 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-23193) 06/03/26 _x86_64_ (8 CPU) 08:44:01 LINUX RESTART (8 CPU) 08:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:00:02 23.31 0.15 20.51 2.65 5.82 2609.62 5423.16 09:10:25 51.31 0.01 32.16 19.14 0.46 3211.04 498040.16 Average: 37.56 0.08 26.44 11.04 3.09 2915.67 256107.38 08:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:00:02 25845792 29482068 2827008 8.60 165044 3690640 2704764 7.98 717220 5840816 7672 09:10:25 24772636 29038752 3265228 9.94 209652 4217372 3462192 10.21 883372 6683588 31680 Average: 25309214 29260410 3046118 9.27 187348 3954006 3083478 9.09 800296 6262202 19676 08:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:00:02 lo 1025.28 1025.28 975.44 975.44 0.00 0.00 0.00 0.00 09:00:02 ens3 23.37 19.48 12.19 6.81 0.00 0.00 0.00 0.00 09:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:25 lo 2117.80 2117.80 2017.55 2017.55 0.00 0.00 0.00 0.00 09:10:25 ens3 24.97 21.09 8.31 7.41 0.00 0.00 0.00 0.00 09:10:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1581.24 1581.24 1505.75 1505.75 0.00 0.00 0.00 0.00 Average: ens3 24.18 20.30 10.21 7.11 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-23193) 06/03/26 _x86_64_ (8 CPU) 08:44:01 LINUX RESTART (8 CPU) 08:50:01 CPU %user %nice %system %iowait %steal %idle 09:00:02 all 36.28 0.00 1.38 0.04 0.08 62.23 09:00:02 0 33.72 0.00 1.46 0.03 0.08 64.70 09:00:02 1 39.61 0.00 1.56 0.04 0.08 58.71 09:00:02 2 35.48 0.00 1.47 0.08 0.08 62.90 09:00:02 3 38.05 0.00 1.20 0.05 0.08 60.62 09:00:02 4 39.06 0.00 1.35 0.01 0.08 59.50 09:00:02 5 38.35 0.00 1.43 0.02 0.08 60.13 09:00:02 6 34.02 0.00 1.43 0.06 0.08 64.41 09:00:02 7 31.91 0.00 1.10 0.03 0.08 66.89 09:10:25 all 42.19 0.00 1.91 0.07 0.09 55.74 09:10:25 0 41.62 0.00 1.68 0.07 0.09 56.55 09:10:25 1 45.16 0.00 2.16 0.03 0.09 52.56 09:10:25 2 39.87 0.00 1.91 0.06 0.09 58.07 09:10:25 3 41.64 0.00 1.97 0.17 0.09 56.14 09:10:25 4 46.58 0.00 1.79 0.07 0.09 51.47 09:10:25 5 44.54 0.00 1.75 0.06 0.09 53.57 09:10:25 6 39.78 0.00 1.99 0.05 0.08 58.10 09:10:25 7 38.37 0.00 2.03 0.07 0.08 59.45 Average: all 39.29 0.00 1.65 0.06 0.08 58.93 Average: 0 37.74 0.00 1.57 0.05 0.08 60.56 Average: 1 42.43 0.00 1.86 0.04 0.09 55.58 Average: 2 37.71 0.00 1.69 0.07 0.08 60.45 Average: 3 39.87 0.00 1.59 0.11 0.08 58.34 Average: 4 42.88 0.00 1.58 0.04 0.08 55.42 Average: 5 41.50 0.00 1.59 0.04 0.08 56.79 Average: 6 36.95 0.00 1.72 0.05 0.08 61.20 Average: 7 35.19 0.00 1.57 0.05 0.08 63.11