---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38755 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 68G 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 721 10438 4 4829 14925 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:03:0b:38 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.62/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84405sec preferred_lft 84405sec inet6 fe80::f816:3eff:fe03:b38/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:94:29:c7:b1:df 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-38755) 07/25/26 _x86_64_ (4 CPU) 22:42:14 LINUX RESTART (4 CPU) 22:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:00:04 14.07 2.02 11.13 0.91 129.93 2859.66 2875.93 23:10:05 43.58 0.79 25.56 17.24 23.88 4120.38 243607.62 Average: 28.80 1.40 18.33 9.06 77.01 3488.82 123011.73 22:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:00:04 10727220 14109164 1850488 11.30 132604 3368868 2149304 12.34 561956 4686112 22556 23:10:05 8616652 13216020 2734556 16.70 169148 4458548 3139756 18.02 879228 6387724 110360 Average: 9671936 13662592 2292522 14.00 150876 3913708 2644530 15.18 720592 5536918 66458 22:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:00:04 lo 1.22 1.22 0.12 0.12 0.00 0.00 0.00 0.00 23:00:04 ens3 88.43 70.81 585.91 18.63 0.00 0.00 0.00 0.00 23:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:10:05 lo 1605.07 1605.07 1530.28 1530.28 0.00 0.00 0.00 0.00 23:10:05 ens3 85.84 61.07 426.12 16.64 0.00 0.00 0.00 0.00 23:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 801.61 801.61 763.74 763.74 0.00 0.00 0.00 0.00 Average: ens3 87.14 65.95 506.17 17.64 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-38755) 07/25/26 _x86_64_ (4 CPU) 22:42:14 LINUX RESTART (4 CPU) 22:50:01 CPU %user %nice %system %iowait %steal %idle 23:00:04 all 65.59 0.00 2.17 0.20 0.18 31.86 23:00:04 0 64.16 0.00 2.09 0.09 0.18 33.48 23:00:04 1 66.80 0.00 2.12 0.15 0.18 30.75 23:00:04 2 63.67 0.00 2.04 0.38 0.19 33.73 23:00:04 3 67.75 0.00 2.41 0.16 0.18 29.49 23:10:05 all 68.93 0.00 2.73 0.11 0.13 28.10 23:10:05 0 67.54 0.00 2.73 0.07 0.13 29.53 23:10:05 1 69.92 0.00 2.56 0.18 0.13 27.21 23:10:05 2 69.81 0.00 2.92 0.08 0.13 27.05 23:10:05 3 68.45 0.00 2.72 0.11 0.12 28.60 Average: all 67.26 0.00 2.45 0.15 0.16 29.98 Average: 0 65.85 0.00 2.41 0.08 0.16 31.51 Average: 1 68.36 0.00 2.34 0.17 0.15 28.98 Average: 2 66.74 0.00 2.48 0.23 0.16 30.40 Average: 3 68.10 0.00 2.57 0.14 0.15 29.04