---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-19268 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 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 703 11433 3 3851 14943 Swap: 1023 11 1012 ---> 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:5c:69:7e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.80/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79562sec preferred_lft 79562sec inet6 fe80::f816:3eff:fe5c:697e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7a:d0:4f:1d:ce:f4 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-16g-19268) 02/20/26 _x86_64_ (4 CPU) 10:26:00 LINUX RESTART (4 CPU) 10:30:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:40:17 107.17 22.68 80.27 4.22 745.58 28567.84 19504.95 10:50:01 25.75 7.10 17.60 1.05 137.43 480.34 420.85 11:00:09 9.02 0.19 8.40 0.43 10.67 284.78 897.52 11:10:03 11.61 0.07 11.00 0.54 1.87 577.80 635.48 11:20:01 16.99 0.03 16.22 0.74 1.02 532.00 1221.58 11:30:15 4.84 0.06 4.62 0.16 0.77 126.65 364.85 11:40:07 5.25 0.09 5.00 0.17 2.53 141.60 68.07 11:50:01 7.53 0.01 7.18 0.34 1.44 247.55 373.23 12:00:08 2.52 0.01 2.50 0.00 0.11 46.37 0.04 12:10:09 27.53 0.14 11.58 15.82 3.62 652.93 210964.26 Average: 21.99 3.07 16.56 2.35 91.88 3230.57 23484.20 10:30:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:40:17 801644 4456428 11473600 70.08 260944 3355028 13146368 75.46 2098964 12862648 2032 10:50:01 4579884 7280552 8656528 52.87 261024 2482116 9402252 53.97 2011988 9260520 756 11:00:09 11727492 14454920 1487132 9.08 262064 2507828 2242384 12.87 2026020 2140336 5952 11:10:03 10686944 13520480 2421112 14.79 266516 2609456 3624476 20.80 2062788 3137764 9896 11:20:01 8550528 11451228 4489260 27.42 269116 2674028 5213328 29.92 2069980 5219936 296 11:30:15 8439488 11354628 4585680 28.01 269560 2688020 5311940 30.49 2071064 5357544 392 11:40:07 8340100 11273276 4666952 28.50 270208 2705404 5317100 30.52 2072952 5446572 424 11:50:01 7037316 10006468 5933260 36.24 271044 2740528 6715720 38.55 2077648 6740196 384 12:00:08 6756616 9728200 6211232 37.94 271464 2742544 6931944 39.79 2078112 7034096 140 12:10:09 8186260 11302624 4637716 28.33 277612 2881128 5290736 30.37 2101948 5583724 444 Average: 7510627 10482880 5456247 33.32 267955 2738608 6319625 36.27 2067146 6278334 2072 10:30:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:40:17 lo 16.87 16.87 14.99 14.99 0.00 0.00 0.00 0.00 10:40:17 ens3 50.86 36.48 833.77 3.72 0.00 0.00 0.00 0.00 10:40:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:01 lo 39.30 39.30 17.21 17.21 0.00 0.00 0.00 0.00 10:50:01 ens3 1.95 1.69 0.49 1.28 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 11:00:09 lo 23.28 23.28 9.88 9.88 0.00 0.00 0.00 0.00 11:00:09 ens3 0.78 0.61 0.18 0.14 0.00 0.00 0.00 0.00 11:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:03 lo 12.55 12.55 6.59 6.59 0.00 0.00 0.00 0.00 11:10:03 ens3 0.86 0.64 0.27 0.21 0.00 0.00 0.00 0.00 11:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:01 lo 14.89 14.89 8.18 8.18 0.00 0.00 0.00 0.00 11:20:01 ens3 1.35 0.88 0.40 0.29 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 11:30:15 lo 18.23 18.23 8.76 8.76 0.00 0.00 0.00 0.00 11:30:15 ens3 0.92 0.61 0.27 0.20 0.00 0.00 0.00 0.00 11:30:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:07 lo 24.61 24.61 8.31 8.31 0.00 0.00 0.00 0.00 11:40:07 ens3 0.73 0.37 0.22 0.14 0.00 0.00 0.00 0.00 11:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:01 lo 19.27 19.27 11.00 11.00 0.00 0.00 0.00 0.00 11:50:01 ens3 0.86 0.63 0.21 0.16 0.00 0.00 0.00 0.00 11:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:08 lo 15.43 15.43 8.15 8.15 0.00 0.00 0.00 0.00 12:00:08 ens3 0.53 0.40 0.14 0.10 0.00 0.00 0.00 0.00 12:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:09 lo 15.75 15.75 8.98 8.98 0.00 0.00 0.00 0.00 12:10:09 ens3 1.18 0.86 0.35 0.27 0.00 0.00 0.00 0.00 12:10:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 19.96 19.96 10.20 10.20 0.00 0.00 0.00 0.00 Average: ens3 6.12 4.40 85.58 0.66 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-16g-19268) 02/20/26 _x86_64_ (4 CPU) 10:26:00 LINUX RESTART (4 CPU) 10:30:02 CPU %user %nice %system %iowait %steal %idle 10:40:17 all 57.53 0.00 2.59 0.49 0.10 39.30 10:40:17 0 56.47 0.00 2.37 0.72 0.09 40.35 10:40:17 1 56.36 0.00 2.84 0.33 0.10 40.37 10:40:17 2 59.29 0.00 2.42 0.39 0.10 37.80 10:40:17 3 57.99 0.00 2.73 0.52 0.10 38.67 10:50:01 all 36.49 0.00 1.40 0.08 0.11 61.92 10:50:01 0 36.63 0.00 1.46 0.09 0.11 61.71 10:50:01 1 36.90 0.00 1.44 0.07 0.11 61.48 10:50:01 2 36.27 0.00 1.31 0.05 0.11 62.27 10:50:01 3 36.17 0.00 1.40 0.12 0.11 62.21 11:00:09 all 17.59 0.00 0.75 0.04 0.10 81.53 11:00:09 0 17.47 0.00 0.71 0.04 0.09 81.69 11:00:09 1 17.50 0.00 0.80 0.05 0.10 81.55 11:00:09 2 17.25 0.00 0.63 0.01 0.10 82.01 11:00:09 3 18.14 0.00 0.84 0.04 0.10 80.88 11:10:03 all 19.02 0.00 0.75 0.05 0.09 80.09 11:10:03 0 19.10 0.00 0.74 0.03 0.10 80.03 11:10:03 1 19.11 0.00 0.74 0.06 0.10 80.00 11:10:03 2 18.72 0.00 0.79 0.08 0.09 80.32 11:10:03 3 19.15 0.00 0.73 0.02 0.09 80.00 11:20:01 all 26.58 0.00 0.88 0.06 0.09 72.39 11:20:01 0 25.64 0.00 0.81 0.06 0.09 73.40 11:20:01 1 27.09 0.00 0.86 0.07 0.10 71.88 11:20:01 2 27.02 0.00 0.96 0.03 0.09 71.90 11:20:01 3 26.56 0.00 0.87 0.09 0.09 72.40 11:30:15 all 8.13 0.00 0.44 0.03 0.09 91.31 11:30:15 0 8.16 0.00 0.41 0.02 0.08 91.33 11:30:15 1 8.62 0.00 0.48 0.06 0.10 90.74 11:30:15 2 8.16 0.00 0.50 0.02 0.09 91.23 11:30:15 3 7.58 0.00 0.37 0.01 0.09 91.95 11:40:07 all 7.83 0.00 0.35 0.03 0.09 91.70 11:40:07 0 7.52 0.00 0.33 0.01 0.09 92.05 11:40:07 1 8.30 0.00 0.40 0.04 0.10 91.16 11:40:07 2 8.02 0.00 0.33 0.02 0.08 91.55 11:40:07 3 7.48 0.00 0.35 0.05 0.08 92.03 11:50:01 all 16.71 0.00 0.63 0.04 0.10 82.53 11:50:01 0 16.38 0.00 0.72 0.02 0.10 82.79 11:50:01 1 17.21 0.00 0.59 0.02 0.09 82.08 11:50:01 2 16.71 0.00 0.60 0.04 0.10 82.55 11:50:01 3 16.55 0.00 0.60 0.06 0.10 82.70 12:00:08 all 2.91 0.00 0.30 0.02 0.09 96.67 12:00:08 0 2.75 0.00 0.26 0.00 0.08 96.90 12:00:08 1 2.93 0.00 0.35 0.02 0.10 96.61 12:00:08 2 3.27 0.00 0.31 0.03 0.09 96.29 12:00:08 3 2.70 0.00 0.30 0.02 0.09 96.90 12:10:09 all 18.94 0.00 0.74 0.07 0.09 80.17 12:10:09 0 18.44 0.00 0.81 0.08 0.09 80.58 12:10:09 1 18.83 0.00 0.70 0.06 0.09 80.32 12:10:09 2 19.66 0.00 0.78 0.07 0.10 79.39 12:10:09 3 18.80 0.00 0.67 0.05 0.09 80.39 Average: all 21.18 0.00 0.88 0.09 0.10 77.75 Average: 0 20.85 0.00 0.86 0.11 0.09 78.08 Average: 1 21.28 0.00 0.92 0.08 0.10 77.62 Average: 2 21.44 0.00 0.86 0.07 0.10 77.52 Average: 3 21.12 0.00 0.89 0.10 0.09 77.80