---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-17089 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 672 12412 3 2904 14974 Swap: 1023 28 995 ---> 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:89:f5:95 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.225/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80177sec preferred_lft 80177sec inet6 fe80::f816:3eff:fe89:f595/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:3c:da:b4:9e:ee 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::b43c:daff:feb4:9eee/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-17089) 05/20/26 _x86_64_ (4 CPU) 10:54:55 LINUX RESTART (4 CPU) 11:00:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:10:02 69.38 3.57 61.91 3.89 147.74 22044.69 10415.47 11:20:02 47.20 18.24 27.51 1.45 896.05 1757.97 856.89 11:30:02 17.94 0.64 16.60 0.71 24.20 726.89 445.28 11:40:02 13.29 0.28 12.38 0.62 4.11 347.35 276.39 11:50:02 8.76 3.94 4.66 0.16 61.48 123.13 132.41 12:00:02 5.88 0.41 5.29 0.19 8.67 152.37 105.08 12:10:01 5.91 0.23 5.49 0.20 7.76 151.44 82.48 12:20:00 3.56 0.03 3.51 0.01 1.14 55.84 21.41 12:30:02 12.35 0.48 11.40 0.47 10.73 652.82 411.06 Average: 20.48 3.09 16.53 0.86 129.10 2890.55 1416.45 11:00:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:10:02 203012 2213988 13721596 83.81 253080 1827824 15274660 87.68 1559484 14110280 1696 11:20:02 6312036 8064960 7875992 48.10 263500 1604076 9182892 52.71 1138736 8489052 672 11:30:02 12873684 14766348 1180680 7.21 268452 1737964 1986936 11.40 1198372 1897344 364 11:40:02 9613736 11551784 4393308 26.83 271300 1780492 5239508 30.07 1204976 5134260 120 11:50:02 9543364 11496264 4448856 27.17 271972 1794684 5257112 30.18 1219844 5185956 292 12:00:02 8105860 10078812 5865464 35.82 272512 1814192 6653004 38.19 1224264 6609312 304 12:10:01 8029808 10023152 5921132 36.16 273052 1834032 6739388 38.68 1229680 6691312 464 12:20:00 13308700 15322540 624216 3.81 273444 1854132 1379740 7.92 1232096 1395344 19212 12:30:02 9120212 11262120 4682940 28.60 277464 1973340 5356736 30.75 1249252 5580816 344 Average: 8567824 10531108 5412687 33.06 269420 1802304 6341108 36.40 1250745 6121520 2608 11:00:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:10:02 lo 15.91 15.91 13.42 13.42 0.00 0.00 0.00 0.00 11:10:02 ens3 41.36 29.16 650.81 3.17 0.00 0.00 0.00 0.00 11:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:02 lo 43.41 43.41 22.96 22.96 0.00 0.00 0.00 0.00 11:20:02 ens3 1.92 1.74 0.44 0.38 0.00 0.00 0.00 0.00 11:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:02 lo 29.94 29.94 11.79 11.79 0.00 0.00 0.00 0.00 11:30:02 ens3 1.20 1.14 0.29 0.26 0.00 0.00 0.00 0.00 11:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:02 lo 19.81 19.81 10.50 10.50 0.00 0.00 0.00 0.00 11:40:02 ens3 0.91 0.71 0.19 0.15 0.00 0.00 0.00 0.00 11:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:02 lo 14.25 14.25 6.15 6.15 0.00 0.00 0.00 0.00 11:50:02 ens3 1.52 1.65 0.34 1.28 0.00 0.00 0.00 0.00 11:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:02 lo 27.00 27.00 10.95 10.95 0.00 0.00 0.00 0.00 12:00:02 ens3 0.63 0.50 0.14 0.11 0.00 0.00 0.00 0.00 12:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:01 lo 15.76 15.76 8.04 8.04 0.00 0.00 0.00 0.00 12:10:01 ens3 0.54 0.45 0.11 0.08 0.00 0.00 0.00 0.00 12:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:00 lo 11.62 11.62 6.38 6.38 0.00 0.00 0.00 0.00 12:20:00 ens3 0.58 0.43 0.14 0.10 0.00 0.00 0.00 0.00 12:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:02 lo 18.16 18.16 10.01 10.01 0.00 0.00 0.00 0.00 12:30:02 ens3 1.43 0.92 0.61 0.27 0.00 0.00 0.00 0.00 12:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.76 21.76 11.13 11.13 0.00 0.00 0.00 0.00 Average: ens3 5.56 4.08 72.57 0.65 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-17089) 05/20/26 _x86_64_ (4 CPU) 10:54:55 LINUX RESTART (4 CPU) 11:00:02 CPU %user %nice %system %iowait %steal %idle 11:10:02 all 52.20 0.00 2.18 4.11 0.10 41.41 11:10:02 0 52.42 0.00 2.12 3.73 0.10 41.63 11:10:02 1 51.09 0.00 2.06 4.60 0.10 42.15 11:10:02 2 52.87 0.00 2.42 4.46 0.10 40.14 11:10:02 3 52.43 0.00 2.13 3.62 0.10 41.72 11:20:02 all 49.98 0.00 1.80 0.24 0.12 47.86 11:20:02 0 49.86 0.00 1.74 0.48 0.12 47.80 11:20:02 1 49.74 0.00 1.94 0.13 0.12 48.06 11:20:02 2 49.80 0.00 1.76 0.14 0.12 48.19 11:20:02 3 50.52 0.00 1.76 0.19 0.12 47.41 11:30:02 all 28.12 0.00 1.06 0.40 0.09 70.33 11:30:02 0 28.00 0.00 1.17 0.22 0.10 70.52 11:30:02 1 28.71 0.00 1.04 0.38 0.10 69.78 11:30:02 2 27.42 0.00 1.10 0.42 0.10 70.95 11:30:02 3 28.35 0.00 0.92 0.58 0.09 70.05 11:40:02 all 25.04 0.00 0.84 0.22 0.07 73.82 11:40:02 0 25.13 0.00 0.83 0.22 0.07 73.75 11:40:02 1 24.83 0.00 0.78 0.10 0.07 74.23 11:40:02 2 24.92 0.00 0.89 0.11 0.08 74.01 11:40:02 3 25.30 0.00 0.87 0.47 0.07 73.29 11:50:02 all 7.88 0.00 0.45 0.08 0.05 91.55 11:50:02 0 7.99 0.00 0.38 0.09 0.05 91.49 11:50:02 1 8.14 0.00 0.50 0.07 0.05 91.24 11:50:02 2 7.62 0.00 0.49 0.09 0.05 91.75 11:50:02 3 7.76 0.00 0.42 0.07 0.05 91.69 12:00:02 all 10.67 0.00 0.47 0.03 0.06 88.77 12:00:02 0 10.28 0.00 0.45 0.02 0.05 89.19 12:00:02 1 11.00 0.00 0.50 0.02 0.06 88.42 12:00:02 2 10.87 0.00 0.44 0.06 0.06 88.57 12:00:02 3 10.52 0.00 0.47 0.04 0.06 88.91 12:10:01 all 9.98 0.00 0.46 0.03 0.06 89.47 12:10:01 0 9.81 0.00 0.40 0.06 0.05 89.68 12:10:01 1 10.22 0.00 0.44 0.01 0.06 89.27 12:10:01 2 10.43 0.00 0.58 0.04 0.06 88.89 12:10:01 3 9.45 0.00 0.42 0.03 0.06 90.04 12:20:00 all 2.12 0.00 0.31 0.09 0.04 97.44 12:20:00 0 1.95 0.00 0.34 0.04 0.05 97.62 12:20:00 1 2.21 0.00 0.29 0.03 0.04 97.44 12:20:00 2 2.26 0.00 0.33 0.05 0.04 97.32 12:20:00 3 2.05 0.00 0.29 0.24 0.05 97.37 12:30:02 all 20.33 0.00 0.77 0.29 0.07 78.54 12:30:02 0 19.78 0.00 0.74 0.63 0.07 78.78 12:30:02 1 20.52 0.00 0.87 0.22 0.07 78.32 12:30:02 2 20.70 0.00 0.74 0.19 0.07 78.30 12:30:02 3 20.32 0.00 0.73 0.12 0.07 78.76 Average: all 22.91 0.00 0.93 0.61 0.07 75.48 Average: 0 22.80 0.00 0.91 0.61 0.07 75.61 Average: 1 22.92 0.00 0.93 0.62 0.07 75.45 Average: 2 22.98 0.00 0.97 0.62 0.07 75.36 Average: 3 22.95 0.00 0.89 0.60 0.07 75.49