---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-22425 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 726 11020 4 4242 14920 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:f2:c7:87 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.134/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79864sec preferred_lft 79864sec inet6 fe80::f816:3eff:fef2:c787/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:06:62:83:88:0e 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::d406:62ff:fe83:880e/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-22425) 03/24/26 _x86_64_ (4 CPU) 21:56:12 LINUX RESTART (4 CPU) 22:00:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:01 123.78 4.61 101.47 17.70 529.62 33893.64 259025.50 22:20:14 67.23 22.91 42.08 2.24 336.50 3961.17 3518.21 22:30:08 17.48 0.21 16.34 0.93 10.47 720.81 1671.30 22:40:01 13.67 0.07 13.07 0.53 3.18 355.75 469.15 22:50:14 7.25 0.01 6.98 0.26 0.46 178.67 114.92 23:00:14 4.92 0.01 4.76 0.15 0.35 120.61 40.56 23:10:01 5.87 0.01 5.70 0.17 1.08 151.73 65.11 23:20:14 5.22 0.00 5.04 0.18 0.51 137.78 45.86 23:30:14 10.25 0.04 9.80 0.41 4.33 617.45 258.79 23:40:01 6.02 0.03 5.80 0.19 0.67 172.29 212.03 Average: 26.07 2.84 20.98 2.25 88.46 3971.85 26028.29 22:00:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:01 1807072 13316300 2603080 15.90 264932 10980592 3370444 19.35 2140112 11609832 539420 22:20:14 2155716 5379084 10552352 64.45 273680 2941432 11251012 64.58 2185444 11457440 760 22:30:08 4196580 7528280 8404996 51.33 278612 3044812 9167196 52.62 2241256 9352720 136 22:40:01 9518068 12890752 3046724 18.61 280496 3083888 3783332 21.72 2247988 4063100 388 22:50:14 8015008 11406552 4529996 27.67 281344 3101900 5213788 29.93 2249760 5560876 272 23:00:14 8029056 11433796 4502812 27.50 282056 3114408 5194976 29.82 2251212 5520900 100 23:10:01 6383648 9804316 6131236 37.45 282580 3129788 6854016 39.34 2253308 7180824 272 23:20:14 6271496 9708956 6226532 38.03 283152 3145992 6918952 39.71 2256692 7289040 276 23:30:14 8418960 11992560 3944628 24.09 287080 3274852 5050964 28.99 2271972 5129516 572 23:40:01 6974252 10571360 5364736 32.77 287736 3297640 6009696 34.50 2284288 6554356 792 Average: 6176986 10403196 5530709 33.78 280167 3911530 6281438 36.06 2238203 7371860 54299 22:00:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:01 lo 2.50 2.50 2.32 2.32 0.00 0.00 0.00 0.00 22:10:01 ens3 109.43 80.59 1481.83 8.37 0.00 0.00 0.00 0.00 22:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:14 lo 44.13 44.13 26.37 26.37 0.00 0.00 0.00 0.00 22:20:14 ens3 2.24 1.86 0.50 0.42 0.00 0.00 0.00 0.00 22:20:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:30:08 lo 34.71 34.71 13.59 13.59 0.00 0.00 0.00 0.00 22:30:08 ens3 1.53 1.15 0.36 0.30 0.00 0.00 0.00 0.00 22:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:40:01 lo 9.15 9.15 5.43 5.43 0.00 0.00 0.00 0.00 22:40:01 ens3 2.07 1.02 0.34 1.20 0.00 0.00 0.00 0.00 22:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:50:14 lo 19.86 19.86 9.39 9.39 0.00 0.00 0.00 0.00 22:50:14 ens3 0.81 0.60 0.16 0.12 0.00 0.00 0.00 0.00 22:50:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:00:14 lo 18.46 18.46 6.49 6.49 0.00 0.00 0.00 0.00 23:00:14 ens3 0.60 0.37 0.15 0.11 0.00 0.00 0.00 0.00 23:00:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:10:01 lo 25.62 25.62 11.43 11.43 0.00 0.00 0.00 0.00 23:10:01 ens3 1.14 0.53 0.23 0.14 0.00 0.00 0.00 0.00 23:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:20:14 lo 17.42 17.42 10.34 10.34 0.00 0.00 0.00 0.00 23:20:14 ens3 0.78 0.51 0.16 0.12 0.00 0.00 0.00 0.00 23:20:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:30:14 lo 11.42 11.42 6.68 6.68 0.00 0.00 0.00 0.00 23:30:14 ens3 0.91 0.69 0.24 0.19 0.00 0.00 0.00 0.00 23:30:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:40:01 lo 30.18 30.18 12.56 12.56 0.00 0.00 0.00 0.00 23:40:01 ens3 1.26 0.68 0.29 0.19 0.00 0.00 0.00 0.00 23:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.40 21.40 10.51 10.51 0.00 0.00 0.00 0.00 Average: ens3 11.86 8.64 145.45 1.10 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-22425) 03/24/26 _x86_64_ (4 CPU) 21:56:12 LINUX RESTART (4 CPU) 22:00:14 CPU %user %nice %system %iowait %steal %idle 22:10:01 all 41.47 0.00 2.29 3.23 0.09 52.92 22:10:01 0 42.22 0.00 2.60 3.99 0.09 51.11 22:10:01 1 41.21 0.00 2.27 4.25 0.09 52.18 22:10:01 2 39.50 0.00 2.15 2.14 0.08 56.13 22:10:01 3 42.97 0.00 2.15 2.52 0.09 52.27 22:20:14 all 65.05 0.00 2.53 0.17 0.12 32.13 22:20:14 0 65.04 0.00 2.50 0.15 0.12 32.19 22:20:14 1 65.86 0.00 2.57 0.19 0.12 31.27 22:20:14 2 63.66 0.00 2.54 0.12 0.12 33.56 22:20:14 3 65.66 0.00 2.50 0.21 0.12 31.51 22:30:08 all 30.16 0.00 1.20 0.06 0.10 68.48 22:30:08 0 29.53 0.00 1.16 0.03 0.09 69.19 22:30:08 1 30.34 0.00 1.19 0.11 0.10 68.26 22:30:08 2 30.34 0.00 1.22 0.02 0.09 68.33 22:30:08 3 30.44 0.00 1.25 0.07 0.10 68.14 22:40:01 all 19.00 0.00 0.74 0.04 0.09 80.14 22:40:01 0 18.71 0.00 0.70 0.01 0.08 80.50 22:40:01 1 19.46 0.00 0.72 0.03 0.09 79.70 22:40:01 2 18.39 0.00 0.86 0.06 0.09 80.59 22:40:01 3 19.43 0.00 0.66 0.07 0.09 79.75 22:50:14 all 13.79 0.00 0.60 0.03 0.07 85.51 22:50:14 0 13.47 0.00 0.57 0.02 0.07 85.86 22:50:14 1 13.93 0.00 0.65 0.01 0.08 85.34 22:50:14 2 14.02 0.00 0.62 0.04 0.08 85.25 22:50:14 3 13.75 0.00 0.54 0.03 0.07 85.61 23:00:14 all 7.95 0.00 0.41 0.02 0.07 91.55 23:00:14 0 7.89 0.00 0.36 0.01 0.06 91.68 23:00:14 1 8.24 0.00 0.47 0.03 0.07 91.19 23:00:14 2 8.15 0.00 0.48 0.02 0.08 91.27 23:00:14 3 7.51 0.00 0.34 0.02 0.07 92.06 23:10:01 all 10.38 0.00 0.49 0.02 0.08 89.03 23:10:01 0 10.06 0.00 0.45 0.00 0.07 89.41 23:10:01 1 10.78 0.00 0.52 0.02 0.08 88.60 23:10:01 2 10.29 0.00 0.51 0.03 0.08 89.09 23:10:01 3 10.41 0.00 0.45 0.04 0.07 89.02 23:20:14 all 10.00 0.00 0.50 0.02 0.08 89.40 23:20:14 0 9.84 0.00 0.48 0.01 0.07 89.59 23:20:14 1 9.93 0.00 0.57 0.04 0.08 89.38 23:20:14 2 10.02 0.00 0.42 0.00 0.08 89.48 23:20:14 3 10.23 0.00 0.54 0.03 0.08 89.13 23:30:14 all 18.06 0.00 0.79 0.04 0.08 81.03 23:30:14 0 17.48 0.00 0.72 0.04 0.07 81.69 23:30:14 1 17.54 0.00 0.80 0.02 0.08 81.56 23:30:14 2 18.84 0.00 0.80 0.09 0.08 80.18 23:30:14 3 18.39 0.00 0.83 0.01 0.07 80.70 23:40:01 all 12.80 0.00 0.50 0.02 0.08 86.60 23:40:01 0 12.99 0.00 0.57 0.04 0.08 86.32 23:40:01 1 12.40 0.00 0.46 0.01 0.08 87.05 23:40:01 2 12.64 0.00 0.45 0.01 0.08 86.83 23:40:01 3 13.19 0.00 0.52 0.03 0.08 86.18 Average: all 22.91 0.00 1.00 0.36 0.08 75.65 Average: 0 22.76 0.00 1.01 0.42 0.08 75.72 Average: 1 23.01 0.00 1.02 0.46 0.09 75.42 Average: 2 22.62 0.00 1.01 0.25 0.09 76.03 Average: 3 23.23 0.00 0.98 0.30 0.08 75.41