---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-25816 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 60G 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 691 12367 3 2930 14955 Swap: 1023 33 990 ---> 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:70:d3:e6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.124/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80211sec preferred_lft 80211sec inet6 fe80::f816:3eff:fe70:d3e6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:e3:66:68:0a:00 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::7ce3:66ff:fe68:a00/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-25816) 06/08/26 _x86_64_ (4 CPU) 06:35:50 LINUX RESTART (4 CPU) 06:40:32 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:50:30 91.16 3.74 68.55 18.87 147.61 25746.26 223680.57 07:00:01 57.21 28.01 27.56 1.63 1123.57 1966.68 1118.86 07:10:11 9.52 0.97 8.05 0.50 32.49 538.29 1067.01 07:20:11 20.09 0.62 18.67 0.79 18.65 484.72 399.93 07:30:32 8.41 0.24 7.88 0.29 9.91 187.87 141.29 07:40:32 7.59 0.23 7.03 0.34 8.41 219.05 161.47 07:50:16 4.96 0.21 4.56 0.19 4.74 154.43 123.18 08:00:22 5.38 0.35 4.89 0.15 9.60 146.58 63.89 08:10:16 9.97 0.62 8.97 0.38 22.91 583.70 189.55 Average: 23.56 3.75 17.25 2.57 147.40 3327.49 25210.56 06:40:32 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:50:30 660692 4237228 11691012 71.40 259704 3264196 13577344 77.93 2124436 12964228 2040 07:00:01 3425652 5230668 10707996 65.40 265456 1653316 11476728 65.88 1154072 11337088 824 07:10:11 13465840 15381312 564300 3.45 269412 1757368 1366128 7.84 1209200 1267860 6316 07:20:11 13412292 15387344 558600 3.41 272064 1814252 1366460 7.84 1230932 1310512 8932 07:30:32 9425024 11414356 4529596 27.66 273344 1827248 5341760 30.66 1236000 5276860 168 07:40:32 8202776 10222808 5720700 34.94 274284 1856956 6568080 37.70 1241832 6496200 48 07:50:16 7897876 9937700 6005776 36.68 274844 1876184 6802456 39.05 1246676 6798316 556 08:00:22 9391920 11452364 4491948 27.43 275544 1896056 5256868 30.17 1251964 5295408 64 08:10:16 9077832 11271452 4672456 28.54 279304 2019348 5317952 30.52 1271552 5578828 560 Average: 8328878 10503915 5438043 33.21 271551 1996103 6341531 36.40 1329629 6258367 2168 06:40:32 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:50:30 lo 15.09 15.09 12.96 12.96 0.00 0.00 0.00 0.00 06:50:30 ens3 40.58 28.19 737.37 3.13 0.00 0.00 0.00 0.00 06:50:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:01 lo 46.80 46.80 24.21 24.21 0.00 0.00 0.00 0.00 07:00:01 ens3 2.36 2.30 0.49 1.14 0.00 0.00 0.00 0.00 07:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:10:11 lo 23.68 23.68 9.28 9.28 0.00 0.00 0.00 0.00 07:10:11 ens3 1.30 1.07 0.30 0.49 0.00 0.00 0.00 0.00 07:10:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:11 lo 12.82 12.82 7.20 7.20 0.00 0.00 0.00 0.00 07:20:11 ens3 0.93 0.83 0.20 0.16 0.00 0.00 0.00 0.00 07:20:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:32 lo 19.26 19.26 9.23 9.23 0.00 0.00 0.00 0.00 07:30:32 ens3 0.72 0.73 0.15 0.13 0.00 0.00 0.00 0.00 07:30:32 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:32 lo 28.78 28.78 11.29 11.29 0.00 0.00 0.00 0.00 07:40:32 ens3 0.63 0.45 0.14 0.10 0.00 0.00 0.00 0.00 07:40:32 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:16 lo 21.30 21.30 10.63 10.63 0.00 0.00 0.00 0.00 07:50:16 ens3 0.79 0.68 0.18 0.14 0.00 0.00 0.00 0.00 07:50:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:22 lo 15.43 15.43 8.61 8.61 0.00 0.00 0.00 0.00 08:00:22 ens3 0.93 0.59 0.27 0.20 0.00 0.00 0.00 0.00 08:00:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:16 lo 23.54 23.54 11.10 11.10 0.00 0.00 0.00 0.00 08:10:16 ens3 1.21 0.90 0.36 0.28 0.00 0.00 0.00 0.00 08:10:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 22.82 22.82 11.53 11.53 0.00 0.00 0.00 0.00 Average: ens3 5.49 3.96 82.15 0.64 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-16g-25816) 06/08/26 _x86_64_ (4 CPU) 06:35:50 LINUX RESTART (4 CPU) 06:40:32 CPU %user %nice %system %iowait %steal %idle 06:50:30 all 53.20 0.00 2.27 0.58 0.10 43.85 06:50:30 0 56.53 0.00 2.36 0.64 0.10 40.37 06:50:30 1 52.75 0.00 2.25 0.52 0.10 44.38 06:50:30 2 50.53 0.00 2.17 0.65 0.10 46.55 06:50:30 3 52.99 0.00 2.30 0.51 0.11 44.09 07:00:01 all 49.88 0.00 1.88 0.22 0.13 47.90 07:00:01 0 50.06 0.00 1.90 0.14 0.12 47.78 07:00:01 1 50.21 0.00 1.76 0.22 0.13 47.68 07:00:01 2 48.68 0.00 1.96 0.21 0.13 49.03 07:00:01 3 50.58 0.00 1.89 0.30 0.13 47.10 07:10:11 all 15.24 0.00 0.78 0.04 0.10 83.85 07:10:11 0 15.28 0.00 0.73 0.07 0.09 83.83 07:10:11 1 15.36 0.00 0.81 0.03 0.10 83.70 07:10:11 2 15.91 0.00 0.73 0.02 0.10 83.24 07:10:11 3 14.40 0.00 0.88 0.02 0.09 84.61 07:20:11 all 29.47 0.00 1.00 0.07 0.09 69.36 07:20:11 0 29.87 0.00 0.94 0.14 0.09 68.97 07:20:11 1 29.94 0.00 0.99 0.06 0.10 68.90 07:20:11 2 30.05 0.00 1.10 0.06 0.09 68.70 07:20:11 3 28.03 0.00 0.98 0.04 0.10 70.86 07:30:32 all 13.89 0.00 0.49 0.02 0.08 85.52 07:30:32 0 14.10 0.00 0.49 0.03 0.08 85.31 07:30:32 1 14.05 0.00 0.50 0.03 0.08 85.33 07:30:32 2 13.78 0.00 0.45 0.02 0.08 85.67 07:30:32 3 13.62 0.00 0.54 0.01 0.08 85.75 07:40:32 all 16.74 0.00 0.69 0.03 0.08 82.45 07:40:32 0 17.09 0.00 0.78 0.02 0.08 82.04 07:40:32 1 16.68 0.00 0.74 0.02 0.08 82.47 07:40:32 2 16.99 0.00 0.62 0.03 0.08 82.29 07:40:32 3 16.21 0.00 0.64 0.05 0.09 83.02 07:50:16 all 12.40 0.00 0.49 0.03 0.08 87.01 07:50:16 0 12.40 0.00 0.43 0.00 0.08 87.09 07:50:16 1 12.12 0.00 0.51 0.04 0.08 87.25 07:50:16 2 12.67 0.00 0.46 0.04 0.08 86.75 07:50:16 3 12.42 0.00 0.55 0.02 0.07 86.93 08:00:22 all 8.09 0.00 0.37 0.03 0.09 91.42 08:00:22 0 8.03 0.00 0.39 0.03 0.09 91.47 08:00:22 1 8.26 0.00 0.33 0.01 0.09 91.31 08:00:22 2 8.47 0.00 0.42 0.03 0.09 90.99 08:00:22 3 7.59 0.00 0.36 0.03 0.09 91.93 08:10:16 all 15.04 0.00 0.54 0.05 0.08 84.28 08:10:16 0 14.19 0.00 0.48 0.05 0.08 85.20 08:10:16 1 15.99 0.00 0.58 0.01 0.08 83.34 08:10:16 2 14.93 0.00 0.52 0.07 0.08 84.40 08:10:16 3 15.07 0.00 0.59 0.06 0.08 84.20 Average: all 23.59 0.00 0.94 0.12 0.09 75.26 Average: 0 23.99 0.00 0.94 0.12 0.09 74.86 Average: 1 23.75 0.00 0.94 0.10 0.09 75.11 Average: 2 23.39 0.00 0.93 0.12 0.09 75.47 Average: 3 23.24 0.00 0.96 0.11 0.09 75.59