---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1853 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: 5600.00 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 706 10308 4 4974 14940 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:79:df:d7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.46/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83297sec preferred_lft 83297sec inet6 fe80::f816:3eff:fe79:dfd7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:b9:47:bb:7d:47 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-1853) 08/03/26 _x86_64_ (4 CPU) 22:27:15 LINUX RESTART (4 CPU) 22:30:29 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:40:06 3.51 0.26 3.08 0.17 216.12 300.31 18.13 22:50:01 1.67 0.01 1.66 0.00 0.04 29.97 0.00 23:00:08 12.69 1.90 9.91 0.87 122.74 2784.06 1913.42 23:10:01 27.76 0.77 23.51 3.48 28.72 4270.66 12969.41 Average: 11.46 0.74 9.58 1.14 91.13 1860.57 3738.25 22:30:29 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:40:06 12912776 15514824 458092 2.80 99616 2690376 1000404 5.74 402900 2724192 244 22:50:01 12910440 15514140 458688 2.80 100928 2690564 1000404 5.74 404192 2729008 68 23:00:08 10280612 13774944 2184512 13.34 134552 3478184 2507436 14.39 622624 5071308 27456 23:10:01 8696316 13331288 2619708 16.00 169744 4499884 2824936 16.22 927924 6271940 14368 Average: 11200036 14533799 1430250 8.74 126210 3339752 1833295 10.52 589410 4199112 10534 22:30:29 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:40:06 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 22:40:06 ens3 11.61 8.98 174.36 0.99 0.00 0.00 0.00 0.00 22:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:50:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 22:50:01 ens3 11.16 9.22 131.50 0.96 0.00 0.00 0.00 0.00 22:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:00:08 lo 1.10 1.10 0.11 0.11 0.00 0.00 0.00 0.00 23:00:08 ens3 110.00 84.25 613.58 19.00 0.00 0.00 0.00 0.00 23:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:10:01 lo 1578.06 1578.06 1504.06 1504.06 0.00 0.00 0.00 0.00 23:10:01 ens3 97.03 72.61 456.17 17.75 0.00 0.00 0.00 0.00 23:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 395.15 395.15 376.33 376.33 0.00 0.00 0.00 0.00 Average: ens3 58.02 44.20 346.36 9.78 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-1853) 08/03/26 _x86_64_ (4 CPU) 22:27:15 LINUX RESTART (4 CPU) 22:30:29 CPU %user %nice %system %iowait %steal %idle 22:40:06 all 0.31 0.00 0.07 0.03 0.02 99.58 22:40:06 0 0.29 0.00 0.10 0.03 0.01 99.57 22:40:06 1 0.13 0.00 0.05 0.02 0.02 99.78 22:40:06 2 0.60 0.00 0.07 0.04 0.02 99.26 22:40:06 3 0.20 0.00 0.06 0.03 0.01 99.70 22:50:01 all 0.14 0.00 0.04 0.01 0.02 99.79 22:50:01 0 0.36 0.00 0.08 0.00 0.01 99.55 22:50:01 1 0.13 0.00 0.04 0.01 0.02 99.79 22:50:01 2 0.04 0.00 0.03 0.00 0.02 99.91 22:50:01 3 0.02 0.00 0.02 0.03 0.01 99.92 23:00:08 all 54.23 0.00 1.79 0.04 0.09 43.85 23:00:08 0 53.21 0.00 1.57 0.02 0.09 45.11 23:00:08 1 53.78 0.00 1.98 0.05 0.09 44.10 23:00:08 2 55.85 0.00 1.92 0.03 0.09 42.10 23:00:08 3 54.08 0.00 1.68 0.05 0.09 44.10 23:10:01 all 69.44 0.00 2.70 0.06 0.11 27.69 23:10:01 0 70.39 0.00 2.46 0.04 0.11 27.01 23:10:01 1 70.16 0.00 2.94 0.06 0.11 26.72 23:10:01 2 69.94 0.00 2.81 0.06 0.11 27.08 23:10:01 3 67.27 0.00 2.58 0.09 0.11 29.95 Average: all 31.31 0.00 1.16 0.04 0.06 67.44 Average: 0 31.35 0.00 1.06 0.02 0.06 67.52 Average: 1 31.36 0.00 1.27 0.04 0.06 67.28 Average: 2 31.87 0.00 1.22 0.04 0.06 66.82 Average: 3 30.66 0.00 1.09 0.05 0.05 68.14