---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-15446 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 713 11354 4 3920 14933 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:ac:5a:cc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.15/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80827sec preferred_lft 80827sec inet6 fe80::f816:3eff:feac:5acc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:e1:21:51:37:94 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::9ce1:21ff:fe51:3794/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-15446) 03/23/26 _x86_64_ (4 CPU) 17:32:50 LINUX RESTART (4 CPU) 17:40:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:50:12 74.15 21.90 49.22 3.03 262.15 5378.16 4084.65 18:00:12 34.26 1.68 16.37 16.21 21.76 519.95 212199.88 18:10:05 7.86 0.07 7.38 0.40 5.16 255.79 1369.85 18:20:05 6.69 0.12 6.33 0.24 4.10 414.70 494.99 18:30:12 15.36 0.01 14.73 0.62 0.53 431.56 364.89 18:40:06 10.50 0.01 10.02 0.47 0.48 343.63 220.90 18:50:06 5.07 0.01 4.89 0.17 1.15 140.38 178.50 19:00:12 4.96 0.11 4.67 0.18 8.44 149.54 77.01 Average: 19.86 2.99 14.21 2.67 37.97 954.23 27372.34 17:40:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:50:12 1561548 5057140 10872436 66.40 270996 3199192 11798584 67.72 2196224 12013744 224 18:00:12 2932264 6216928 9715704 59.34 272628 3000444 10975312 63.00 2247312 10606016 196 18:10:05 5521972 8829524 7105632 43.40 273524 3022468 8434912 48.42 2255316 8017948 340 18:20:05 8869116 12264420 3672048 22.43 277200 3106452 4465948 25.63 2260852 4680152 204 18:30:12 10415472 13878484 2058748 12.57 279460 3171904 2904708 16.67 2284280 3127692 12060 18:40:06 7861144 11365080 4570968 27.92 281176 3211100 5339012 30.65 2287216 5667744 204 18:50:06 7769620 11292504 4643568 28.36 281684 3229540 5347800 30.70 2288576 5748876 424 19:00:12 6338312 9886452 6048728 36.94 282316 3254168 6783600 38.94 2292360 7174256 52 Average: 6408681 9848816 6085979 37.17 277373 3149408 7006234 40.22 2264017 7129554 1713 17:40:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:50:12 lo 24.47 24.47 18.04 18.04 0.00 0.00 0.00 0.00 17:50:12 ens3 1.93 1.94 0.62 0.54 0.00 0.00 0.00 0.00 17:50:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:00:12 lo 42.70 42.70 18.03 18.03 0.00 0.00 0.00 0.00 18:00:12 ens3 1.36 1.21 0.30 0.25 0.00 0.00 0.00 0.00 18:00:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:10:05 lo 14.27 14.27 7.32 7.32 0.00 0.00 0.00 0.00 18:10:05 ens3 0.59 0.50 0.14 0.10 0.00 0.00 0.00 0.00 18:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:20:05 lo 8.84 8.84 4.22 4.22 0.00 0.00 0.00 0.00 18:20:05 ens3 0.52 0.43 0.16 0.13 0.00 0.00 0.00 0.00 18:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:30:12 lo 8.62 8.62 3.79 3.79 0.00 0.00 0.00 0.00 18:30:12 ens3 0.75 0.57 0.17 0.13 0.00 0.00 0.00 0.00 18:30:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:40:06 lo 18.88 18.88 10.45 10.45 0.00 0.00 0.00 0.00 18:40:06 ens3 1.06 0.93 0.24 1.18 0.00 0.00 0.00 0.00 18:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:06 lo 24.47 24.47 9.07 9.07 0.00 0.00 0.00 0.00 18:50:06 ens3 0.55 0.49 0.12 0.09 0.00 0.00 0.00 0.00 18:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:00:12 lo 23.94 23.94 10.97 10.97 0.00 0.00 0.00 0.00 19:00:12 ens3 0.66 0.53 0.19 0.13 0.00 0.00 0.00 0.00 19:00:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.77 20.77 10.23 10.23 0.00 0.00 0.00 0.00 Average: ens3 0.93 0.83 0.24 0.32 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-15446) 03/23/26 _x86_64_ (4 CPU) 17:32:50 LINUX RESTART (4 CPU) 17:40:12 CPU %user %nice %system %iowait %steal %idle 17:50:12 all 56.21 0.00 2.15 0.20 0.12 41.32 17:50:12 0 56.21 0.00 2.07 0.18 0.12 41.41 17:50:12 1 55.36 0.00 2.34 0.20 0.12 41.98 17:50:12 2 55.87 0.00 2.18 0.20 0.12 41.63 17:50:12 3 57.39 0.00 1.99 0.23 0.13 40.27 18:00:12 all 39.56 0.00 1.61 0.06 0.10 58.67 18:00:12 0 39.60 0.00 1.61 0.03 0.10 58.66 18:00:12 1 39.41 0.00 1.51 0.07 0.10 58.91 18:00:12 2 39.81 0.00 1.66 0.11 0.10 58.31 18:00:12 3 39.41 0.00 1.66 0.04 0.10 58.79 18:10:05 all 16.68 0.00 0.70 0.04 0.07 82.51 18:10:05 0 16.45 0.00 0.74 0.02 0.07 82.72 18:10:05 1 16.54 0.00 0.77 0.05 0.07 82.57 18:10:05 2 16.84 0.00 0.63 0.07 0.07 82.39 18:10:05 3 16.88 0.00 0.67 0.01 0.07 82.37 18:20:05 all 7.56 0.00 0.41 0.04 0.06 91.93 18:20:05 0 8.69 0.00 0.38 0.01 0.05 90.86 18:20:05 1 6.77 0.00 0.39 0.04 0.06 92.74 18:20:05 2 7.36 0.00 0.46 0.11 0.07 92.00 18:20:05 3 7.42 0.00 0.38 0.02 0.06 92.12 18:30:12 all 22.22 0.00 0.72 0.04 0.08 76.94 18:30:12 0 22.60 0.00 0.78 0.02 0.07 76.53 18:30:12 1 21.58 0.00 0.68 0.07 0.08 77.59 18:30:12 2 22.20 0.00 0.73 0.05 0.08 76.94 18:30:12 3 22.51 0.00 0.68 0.03 0.08 76.70 18:40:06 all 19.04 0.00 0.71 0.06 0.07 80.11 18:40:06 0 19.07 0.00 0.72 0.12 0.07 80.02 18:40:06 1 18.70 0.00 0.77 0.03 0.08 80.42 18:40:06 2 19.53 0.00 0.64 0.02 0.07 79.74 18:40:06 3 18.86 0.00 0.72 0.08 0.07 80.26 18:50:06 all 8.63 0.00 0.43 0.02 0.06 90.86 18:50:06 0 8.61 0.00 0.45 0.02 0.06 90.87 18:50:06 1 8.96 0.00 0.43 0.02 0.06 90.54 18:50:06 2 8.40 0.00 0.44 0.02 0.06 91.07 18:50:06 3 8.55 0.00 0.42 0.01 0.05 90.97 19:00:12 all 10.52 0.00 0.57 0.02 0.07 88.82 19:00:12 0 10.07 0.00 0.54 0.01 0.06 89.32 19:00:12 1 10.74 0.00 0.68 0.03 0.07 88.48 19:00:12 2 10.53 0.00 0.56 0.01 0.07 88.83 19:00:12 3 10.74 0.00 0.51 0.02 0.06 88.67 Average: all 22.53 0.00 0.91 0.06 0.08 76.42 Average: 0 22.64 0.00 0.91 0.05 0.08 76.32 Average: 1 22.23 0.00 0.95 0.06 0.08 76.68 Average: 2 22.55 0.00 0.91 0.07 0.08 76.38 Average: 3 22.71 0.00 0.88 0.05 0.08 76.28