---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-23975 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 13G 65G 17% / 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 704 8269 4 7015 14941 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:c9:ea:7f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.135/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82311sec preferred_lft 82311sec inet6 fe80::f816:3eff:fec9:ea7f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:db:7b:45:b2:b4 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-23975) 06/05/26 _x86_64_ (4 CPU) 10:15:13 LINUX RESTART (4 CPU) 10:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:30:04 39.11 2.25 36.25 0.61 134.84 2711.04 684.70 10:40:04 2.10 0.00 2.09 0.00 0.04 32.65 0.00 10:50:01 18.36 2.97 13.94 1.45 161.89 2930.00 2238.86 11:00:05 24.74 0.02 21.95 2.78 0.57 2312.70 26245.10 11:10:05 28.10 0.03 25.34 2.72 1.11 4171.78 25593.80 11:20:01 11.11 0.29 9.54 1.28 11.47 7438.97 1403.25 Average: 20.62 0.93 18.22 1.47 51.59 3259.64 9388.59 10:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:30:04 13045936 15511836 466600 2.85 93240 2565328 979508 5.62 316768 2696120 236 10:40:04 13039308 15506844 471264 2.88 94472 2565592 979836 5.62 318004 2702484 276 10:50:01 10281624 13600288 2360792 14.42 124756 3339312 2561976 14.71 581644 5148616 25100 11:00:05 9130368 13004736 2951484 18.03 149056 3824476 3058060 17.55 743524 6091408 118108 11:10:05 7789380 12538704 3413368 20.85 165644 4644280 3313472 19.02 1005744 7114788 600 11:20:01 8521940 15344924 600236 3.67 184944 6632048 1095008 6.29 1758336 5538948 232 Average: 10301426 14251222 1710624 10.45 135352 3928506 1997977 11.47 787337 4882061 24092 10:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:30:04 lo 0.30 0.30 0.03 0.03 0.00 0.00 0.00 0.00 10:30:04 ens3 50.50 33.42 321.38 7.31 0.00 0.00 0.00 0.00 10:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:04 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 10:40:04 ens3 3.80 3.01 34.29 0.56 0.00 0.00 0.00 0.00 10:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:01 lo 723.77 723.77 689.17 689.17 0.00 0.00 0.00 0.00 10:50:01 ens3 103.55 80.62 954.28 14.34 0.00 0.00 0.00 0.00 10:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:05 lo 1398.85 1398.85 1327.57 1327.57 0.00 0.00 0.00 0.00 11:00:05 ens3 37.19 30.80 22.24 11.29 0.00 0.00 0.00 0.00 11:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:05 lo 1013.18 1013.18 959.72 959.72 0.00 0.00 0.00 0.00 11:10:05 ens3 42.02 32.37 28.25 10.95 0.00 0.00 0.00 0.00 11:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:01 lo 2578.71 2578.71 9356.18 9356.18 0.00 0.00 0.00 0.00 11:20:01 ens3 54.45 57.49 137.74 578.76 0.00 0.00 0.00 0.00 11:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 950.36 950.36 2045.28 2045.28 0.00 0.00 0.00 0.00 Average: ens3 48.51 39.53 248.89 103.19 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-23975) 06/05/26 _x86_64_ (4 CPU) 10:15:13 LINUX RESTART (4 CPU) 10:20:01 CPU %user %nice %system %iowait %steal %idle 10:30:04 all 2.67 0.00 0.33 0.23 0.02 96.75 10:30:04 0 3.39 0.00 0.42 0.08 0.03 96.08 10:30:04 1 1.45 0.00 0.26 0.43 0.02 97.84 10:30:04 2 4.63 0.00 0.45 0.36 0.02 94.54 10:30:04 3 1.21 0.00 0.20 0.04 0.02 98.53 10:40:04 all 0.18 0.00 0.04 0.01 0.02 99.75 10:40:04 0 0.37 0.00 0.05 0.00 0.03 99.54 10:40:04 1 0.05 0.00 0.04 0.01 0.01 99.90 10:40:04 2 0.04 0.00 0.03 0.02 0.01 99.89 10:40:04 3 0.26 0.00 0.05 0.00 0.02 99.67 10:50:01 all 30.41 0.00 1.28 0.05 0.05 68.21 10:50:01 0 29.28 0.00 1.18 0.03 0.05 69.46 10:50:01 1 30.68 0.00 1.32 0.10 0.05 67.86 10:50:01 2 30.79 0.00 1.38 0.06 0.05 67.72 10:50:01 3 30.90 0.00 1.26 0.02 0.05 67.78 11:00:05 all 64.03 0.00 2.29 0.04 0.09 33.55 11:00:05 0 64.97 0.00 2.22 0.04 0.09 32.68 11:00:05 1 64.36 0.00 2.31 0.03 0.09 33.21 11:00:05 2 64.52 0.00 2.31 0.06 0.09 33.02 11:00:05 3 62.27 0.00 2.34 0.03 0.09 35.27 11:10:05 all 51.51 0.00 2.07 0.08 0.09 46.24 11:10:05 0 50.69 0.00 2.09 0.09 0.09 47.04 11:10:05 1 52.14 0.00 2.04 0.07 0.09 45.65 11:10:05 2 49.37 0.00 2.29 0.09 0.09 48.16 11:10:05 3 53.83 0.00 1.87 0.09 0.10 44.11 11:20:01 all 33.49 0.00 1.30 0.10 0.07 65.04 11:20:01 0 29.80 0.00 1.17 0.13 0.07 68.83 11:20:01 1 39.38 0.00 1.48 0.18 0.07 58.89 11:20:01 2 31.52 0.00 1.08 0.01 0.07 67.31 11:20:01 3 33.28 0.00 1.47 0.07 0.08 65.10 Average: all 30.36 0.00 1.22 0.08 0.06 68.28 Average: 0 29.74 0.00 1.19 0.06 0.06 68.95 Average: 1 31.31 0.00 1.24 0.14 0.06 67.26 Average: 2 30.13 0.00 1.26 0.10 0.06 68.46 Average: 3 30.26 0.00 1.20 0.04 0.06 68.44