---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37201 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): 4 On-line CPU(s) list: 0-3 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): 4 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: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 11G 67G 14% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 626 10075 4 5287 15020 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:82:31:5b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.55/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84826sec preferred_lft 84826sec inet6 fe80::f816:3eff:fe82:315b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:9a:9c:50:4e:d6 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-4c-4g-37201) 07/19/26 _x86_64_ (4 CPU) 20:07:19 LINUX RESTART (4 CPU) 20:10:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:04 9.71 0.67 8.42 0.62 259.44 2433.88 24170.89 20:30:01 10.95 0.52 9.75 0.69 19.10 1826.35 1600.66 Average: 10.33 0.60 9.08 0.65 139.60 2130.94 12916.52 20:10:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:04 8523468 11947636 4013360 24.51 120312 3453204 4202508 24.12 580192 6914408 1112 20:30:01 9750088 13609912 2347800 14.34 138720 3841644 2521488 14.47 750920 5460444 4376 Average: 9136778 12778774 3180580 19.43 129516 3647424 3361998 19.30 665556 6187426 2744 20:10:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:04 lo 0.70 0.70 0.39 0.39 0.00 0.00 0.00 0.00 20:20:04 ens3 43.32 28.94 475.44 3.98 0.00 0.00 0.00 0.00 20:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:01 lo 181.12 181.12 172.21 172.21 0.00 0.00 0.00 0.00 20:30:01 ens3 36.19 28.05 434.77 3.50 0.00 0.00 0.00 0.00 20:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 90.66 90.66 86.06 86.06 0.00 0.00 0.00 0.00 Average: ens3 39.76 28.50 455.16 3.74 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-4c-4g-37201) 07/19/26 _x86_64_ (4 CPU) 20:07:19 LINUX RESTART (4 CPU) 20:10:04 CPU %user %nice %system %iowait %steal %idle 20:20:04 all 51.80 0.00 0.87 0.09 0.08 47.16 20:20:04 0 51.72 0.00 0.83 0.04 0.08 47.33 20:20:04 1 45.35 0.00 0.73 0.18 0.08 53.66 20:20:04 2 59.96 0.00 0.99 0.10 0.08 38.87 20:20:04 3 50.18 0.00 0.94 0.04 0.08 48.76 20:30:01 all 48.94 0.00 0.94 0.03 0.08 50.00 20:30:01 0 36.01 0.00 0.76 0.03 0.07 63.13 20:30:01 1 50.49 0.00 1.01 0.03 0.08 48.39 20:30:01 2 54.27 0.00 1.10 0.04 0.09 44.51 20:30:01 3 54.98 0.00 0.91 0.04 0.08 43.99 Average: all 50.37 0.00 0.91 0.06 0.08 48.58 Average: 0 43.88 0.00 0.80 0.03 0.08 55.21 Average: 1 47.91 0.00 0.87 0.11 0.08 51.04 Average: 2 57.12 0.00 1.05 0.07 0.08 41.69 Average: 3 52.57 0.00 0.93 0.04 0.08 46.38