---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11160 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 12G 67G 15% / 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 738 9242 4 6008 14908 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:74:03:43 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.66/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83994sec preferred_lft 83994sec inet6 fe80::f816:3eff:fe74:343/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 32:d2:3e:38:5b:a2 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-11160) 05/05/26 _x86_64_ (4 CPU) 20:24:20 LINUX RESTART (4 CPU) 20:30:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:03 14.23 0.50 12.64 1.09 16.00 3975.87 2565.67 20:50:03 74.31 0.31 48.78 25.22 9.88 3757.81 271145.03 21:00:11 45.93 12.02 28.58 5.33 141.38 4897.93 13084.17 Average: 44.83 4.31 30.00 10.53 56.10 4213.35 95260.91 20:30:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:03 9387300 13511028 2443468 14.92 175660 4015372 2671548 15.33 826996 5693048 248640 20:50:03 8614800 13172200 2777236 16.96 205056 4381804 2981708 17.11 960308 6314936 13728 21:00:11 9576856 15361980 581784 3.55 241916 5496132 1114184 6.40 1380160 4818928 112 Average: 9192985 14015069 1934163 11.81 207544 4631103 2255813 12.95 1055821 5608971 87493 20:30:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:03 lo 1.40 1.40 0.14 0.14 0.00 0.00 0.00 0.00 20:40:03 ens3 76.53 59.22 118.11 18.91 0.00 0.00 0.00 0.00 20:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:03 lo 5804.61 5804.61 5535.49 5535.49 0.00 0.00 0.00 0.00 20:50:03 ens3 96.07 65.69 241.44 20.21 0.00 0.00 0.00 0.00 20:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:11 lo 2533.05 2533.05 2404.40 2404.40 0.00 0.00 0.00 0.00 21:00:11 ens3 93.06 83.99 108.52 121.29 0.00 0.00 0.00 0.00 21:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2778.68 2778.68 2645.68 2645.68 0.00 0.00 0.00 0.00 Average: ens3 88.57 69.69 155.83 53.75 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-11160) 05/05/26 _x86_64_ (4 CPU) 20:24:20 LINUX RESTART (4 CPU) 20:30:03 CPU %user %nice %system %iowait %steal %idle 20:40:03 all 69.65 0.00 2.37 0.04 0.13 27.82 20:40:03 0 68.63 0.00 2.05 0.03 0.13 29.16 20:40:03 1 70.73 0.00 2.57 0.03 0.13 26.54 20:40:03 2 69.14 0.00 2.37 0.05 0.13 28.30 20:40:03 3 70.08 0.00 2.49 0.03 0.13 27.27 20:50:03 all 62.15 0.00 4.37 0.10 0.12 33.26 20:50:03 0 61.07 0.00 4.50 0.16 0.12 34.16 20:50:03 1 60.82 0.00 4.15 0.10 0.12 34.81 20:50:03 2 63.50 0.00 4.19 0.08 0.11 32.11 20:50:03 3 63.20 0.00 4.64 0.06 0.11 31.98 21:00:11 all 51.01 0.07 2.92 0.13 0.11 45.77 21:00:11 0 53.08 0.00 2.78 0.05 0.11 43.98 21:00:11 1 48.15 0.14 2.85 0.18 0.10 48.58 21:00:11 2 48.94 0.16 2.86 0.09 0.10 47.85 21:00:11 3 53.87 0.00 3.18 0.19 0.11 42.65 Average: all 60.89 0.03 3.22 0.09 0.12 35.66 Average: 0 60.89 0.00 3.11 0.08 0.12 35.80 Average: 1 59.85 0.05 3.19 0.10 0.12 36.70 Average: 2 60.49 0.05 3.14 0.07 0.11 36.13 Average: 3 62.35 0.00 3.44 0.09 0.12 34.00