---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-27805 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 18G 61G 23% / 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 6860 6368 3 2760 8786 Swap: 1023 21 1002 ---> 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:66:1c:33 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.128/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83298sec preferred_lft 83298sec inet6 fe80::f816:3eff:fe66:1c33/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 26:1a:05:60:4e:a3 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 inet6 fe80::241a:5ff:fe60:4ea3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-27805) 06/16/26 _x86_64_ (4 CPU) 10:09:56 LINUX RESTART (4 CPU) 10:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:20:02 193.92 30.52 146.02 17.38 2642.95 43601.20 284057.09 10:30:01 69.79 23.98 43.42 2.40 538.40 4435.96 3609.17 10:40:01 38.39 10.64 26.51 1.24 207.53 1576.25 1994.36 10:50:15 13.93 2.49 10.85 0.58 51.77 360.46 1318.83 11:00:14 6.77 0.49 6.05 0.23 12.43 672.03 646.33 Average: 64.45 13.59 46.50 4.36 689.55 10116.78 58287.47 10:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:20:02 3299104 14491312 1431252 8.74 246892 10700612 2219084 12.74 2222812 10053060 7204 10:30:01 3271608 5251324 10684984 65.26 259212 1811720 12757104 73.23 1283380 11346844 251612 10:40:01 5031116 7101940 8836252 53.97 264964 1895956 9554256 54.84 1442920 9419508 424 10:50:15 7620492 9726944 6211032 37.93 266528 1930044 7032140 40.36 1463928 6814928 316 11:00:14 6573040 8840184 7098300 43.35 272964 2076368 8728520 50.10 1504004 7810172 252 Average: 5159072 9082341 6852364 41.85 262112 3682940 8058221 46.25 1583409 9088902 51962 10:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:20:02 lo 2.06 2.06 1.59 1.59 0.00 0.00 0.00 0.00 10:20:02 ens3 173.46 121.30 2318.88 17.18 0.00 0.00 0.00 0.00 10:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:01 lo 19.18 19.18 15.35 15.35 0.00 0.00 0.00 0.00 10:30:01 ens3 1.64 1.56 0.52 0.45 0.00 0.00 0.00 0.00 10:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:01 lo 39.06 39.06 18.95 18.95 0.00 0.00 0.00 0.00 10:40:01 ens3 1.69 1.44 0.35 0.30 0.00 0.00 0.00 0.00 10:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:15 lo 30.65 30.65 13.54 13.54 0.00 0.00 0.00 0.00 10:50:15 ens3 1.23 1.08 0.19 1.04 0.00 0.00 0.00 0.00 10:50:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:14 lo 4.20 4.20 1.52 1.52 0.00 0.00 0.00 0.00 11:00:14 ens3 0.98 0.77 0.32 0.67 0.00 0.00 0.00 0.00 11:00:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 19.08 19.08 10.20 10.20 0.00 0.00 0.00 0.00 Average: ens3 35.78 25.21 463.77 3.93 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-16g-27805) 06/16/26 _x86_64_ (4 CPU) 10:09:56 LINUX RESTART (4 CPU) 10:10:00 CPU %user %nice %system %iowait %steal %idle 10:20:02 all 43.12 0.08 4.14 6.43 0.16 46.07 10:20:02 0 44.81 0.23 4.04 5.85 0.17 44.91 10:20:02 1 44.07 0.07 4.37 5.88 0.16 45.44 10:20:02 2 42.41 0.00 4.34 7.72 0.16 45.37 10:20:02 3 41.18 0.00 3.82 6.29 0.16 48.55 10:30:01 all 57.49 0.00 2.57 0.24 0.48 39.21 10:30:01 0 56.73 0.00 2.58 0.19 0.61 39.90 10:30:01 1 57.29 0.00 2.63 0.20 0.48 39.39 10:30:01 2 58.27 0.00 2.57 0.14 0.49 38.52 10:30:01 3 57.68 0.00 2.51 0.43 0.35 39.03 10:40:01 all 49.06 0.00 1.86 0.13 0.17 48.78 10:40:01 0 48.86 0.00 1.82 0.32 0.15 48.85 10:40:01 1 48.82 0.00 1.83 0.06 0.16 49.14 10:40:01 2 49.49 0.00 1.84 0.07 0.20 48.40 10:40:01 3 49.08 0.00 1.95 0.06 0.16 48.75 10:50:15 all 25.36 0.00 1.08 0.07 0.10 73.39 10:50:15 0 25.04 0.00 1.15 0.03 0.10 73.67 10:50:15 1 25.29 0.00 1.00 0.08 0.11 73.53 10:50:15 2 25.23 0.00 1.02 0.13 0.10 73.52 10:50:15 3 25.87 0.00 1.14 0.03 0.10 72.85 11:00:14 all 3.38 0.00 0.37 1.44 0.10 94.71 11:00:14 0 3.83 0.00 0.37 0.62 0.22 94.95 11:00:14 1 2.72 0.00 0.38 4.25 0.06 92.59 11:00:14 2 3.84 0.00 0.37 0.36 0.05 95.38 11:00:14 3 3.12 0.00 0.38 0.53 0.05 95.92 Average: all 35.64 0.01 2.00 1.66 0.20 60.48 Average: 0 35.81 0.05 1.99 1.40 0.25 60.51 Average: 1 35.61 0.01 2.04 2.08 0.19 60.06 Average: 2 35.81 0.00 2.02 1.68 0.20 60.28 Average: 3 35.34 0.00 1.96 1.46 0.16 61.07